Protective Regulations for Hawaiian Spinner Dolphins Under the Marine Mammal Protection Act, 57854-57876 [2016-20324]
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Federal Register / Vol. 81, No. 164 / Wednesday, August 24, 2016 / Proposed Rules
Federal Communications Commission.
Karen Peltz Strauss,
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Affairs Bureau.
For the reasons discussed in the
preamble, the Federal Communications
Commission proposes to amend 47 CFR
part 64 as follows:
PART 64—MISCELLANEOUS RULES
RELATING TO COMMON CARRIERS
Reference Information Center, Federal
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[FR Doc. 2016–19845 Filed 8–23–16; 8:45 am]
BILLING CODE 6712–01–P
1. The authority citation for part 64
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Authority: 47 U.S.C. 154, 254(k);
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§ 64.621
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(b) Technical Standard for
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Provider Interoperability Profile Version
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U.S. Providers Profile TWG–6–0.15
(Sept. 23, 2015) (VRS Provider
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gid,160/Itemid,75/, and the
Interoperability Profile for Relay User
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National Oceanic and Atmospheric
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50 CFR Part 216
[Docket No. 080302361–6677–01]
RIN 0648–AU02
Interoperability and portability.
*
DEPARTMENT OF COMMERCE
Protective Regulations for Hawaiian
Spinner Dolphins Under the Marine
Mammal Protection Act
National Marine Fisheries
Service (NMFS), National Oceanic and
Atmospheric Administration (NOAA),
Department of Commerce.
ACTION: Proposed rule; request for
comments.
AGENCY:
We, the National Marine
Fisheries Service (NMFS), propose
regulations under the Marine Mammal
Protection Act (MMPA) to prohibit
swimming with and approaching a
Hawaiian spinner dolphin within 50
yards (45.7 m) (for persons, vessels, and
objects), including approach by
interception. These proposed regulatory
measures are intended to prevent take of
Hawaiian spinner dolphins from
occurring in marine areas where
viewing pressures are most prevalent;
prohibitions would apply in waters
within 2 nautical miles (nm; 3.7 km) of
the Hawaiian Islands and in the waters
between the islands of Lanai, Maui, and
Kahoolawe. This proposed rule to
establish 50-yard swim-with and
approach regulations would help ensure
public compliance by providing clear
notice of prohibited conduct that results
in take, including harassment and
disturbance.
Although unauthorized take of marine
mammals, including harassment of
spinner dolphins, already is and
continues to be prohibited under the
MMPA throughout their range, the
purpose of this regulation is to identify
and prohibit specific human activities
that result in take (including
harassment) of spinner dolphins, and
thus reduce disturbance and disruption
SUMMARY:
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of important Hawaiian spinner dolphin
behaviors in areas where humandolphin interactions are most likely to
occur. These proposed regulations
would reduce take of Hawaiian spinner
dolphins and the impact of human
viewing and interaction on these
animals in the Main Hawaiian Islands
(MHI). We developed this proposed rule
after considering comments submitted
in response to an Advance Notice of
Proposed Rulemaking (ANPR), as well
as information received during the
public scoping period for the Draft
Environmental Impact Statement (DEIS),
from community meetings, and from a
dedicated scientific research project.
Although not currently part of this
proposal, we are also considering
whether additional management
measures may be necessary and
appropriate to protect Hawaiian spinner
dolphins from take, especially in
essential daytime habitats that are
regularly targeted by humans for
dolphin-directed activities.
Accordingly, we are soliciting public
comment on the proposed swim-with
and approach regulations, as well as
alternative management options
discussed in this rule and in detail in
the DEIS.
DATES: Comments must be received no
later than 5 p.m. on October 23, 2016.
Public meetings will provide the
public with an opportunity to provide
comments on any portion of the
proposed rule or DEIS. These meetings
are scheduled for:
September 7, 2016, 5:30–9:30 p.m. at
Konawaena High School Cafeteria, 81–
1043 Konawaena School Rd.,
Kealakekua, HI 96750;
September 8, 2016, 5:30–9:30 p.m. at
Kealakehe High School Cafeteria, 74–
5000 Puohulihuli St., Kailua Kona, HI
96740;
September 21, 2016, 5:30–9:00 p.m. at
Kauai High School Cafeteria, 3577 Lala
Rd., Lihue, HI 96766;
September 22, 2016, 5:30–9:00 p.m. at
the Hawaiian Islands Humpback Whale
National Marine Sanctuary Visitor
Center, 726 South Kihei Rd., Kihei, HI
96753;
September 27, 2016, 5:30–9:30 p.m. at
Roosevelt High School Dining Hall,
1120 Nehoa Street, Honolulu, HI 96822;
and
September 28, 2016, 5:30–9:30 p.m. at
Waianae High School Cafeteria, 85–251
Farrington Hwy., Waianae, HI 96792.
ADDRESSES: You may submit comments,
information, or data on this document,
identified by NOAA–2005–0226, and on
the DEIS by either of the following
methods:
Electronic Submission: Submit all
electronic comments via the Federal
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Federal Register / Vol. 81, No. 164 / Wednesday, August 24, 2016 / Proposed Rules
eRulemaking Portal. Go to
www.regulations.gov/
#!docketDetail;D=NOAA-2005-0226,
click the ‘‘Comment Now!’’ icon,
complete the required fields, and enter
or attach your comments.
Mail: Submit written comments to
Susan Pultz, Chief, Conservation
Planning and Rulemaking Branch,
Protected Resources Division, National
Marine Fisheries Service, Pacific Islands
Regional Office, 1845 Wasp Blvd., Bldg.
176, Honolulu, HI 96818, Attn:
Hawaiian Spinner Dolphin Proposed
Rule.
Instructions: Comments sent by any
other method, to any other address or
individual, or received after the end of
the comment period, may not be
considered by NMFS. All comments
received are a part of the public record
and will generally be posted for public
viewing on www.regulations.gov
without change. All personal identifying
information (e.g., name, address, etc.),
confidential business information, or
otherwise sensitive information
submitted voluntarily by the sender will
be publicly accessible. We will accept
anonymous comments (enter ‘‘N/A’’ in
the required fields if you wish to remain
anonymous).
The Draft Environmental Impact
Statement (DEIS) and references can be
found online at https://
www.fpir.noaa.gov/PRD/prd_spinner_
EIS.html. Additionally, copies of the
DEIS are available in print at the
following libraries:
Hilo Library, 300 Waianuenue Ave.,
Hilo, HI 96720;
Kailua-Kona Library, 75–138 Hualalai
Rd., Kailua Kona, HI 96740;
Kealakekua Library, 81–6619
Mamalahoa Hwy., Kealakekua, HI
96750;
Pahoa Library, 15–3070 PahoaKalapana Rd., Pahoa, HI 96778;
Kihei Library, 35 Waimahaihai St.,
Kihei, HI 96753;
Lahaina Library, 680 Wharf St.,
Lahaina, HI 96761;
Lanai Library, 555 Fraser Ave., Lanai
City, HI 96763;
Hawaii State Library, 478 S. King St.,
Honolulu, HI 96813;
Molokai Public Library, 15 Ala
Malama, Kaunakakai, HI 96748;
Waianae Library, 85–625 Farrington
Hwy., Waianae, HI 96792; and
Lihue Library, 4344 Hardy St., Lihue,
HI 96766; or upon request from the
Conservation Planning and Rulemaking
Branch Chief (see ADDRESSES).
FOR FURTHER INFORMATION CONTACT:
Susan Pultz, NMFS, Pacific Islands
Region, Chief, Conservation Planning
and Rulemaking Branch, 808–725–5150;
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or Trevor Spradlin, NMFS, Office of
Protected Resources, Acting Chief,
Marine Mammal and Sea Turtle
Conservation Division, 301–427–8402.
SUPPLEMENTARY INFORMATION
Background
Viewing wild marine mammals in
Hawaii has been a popular recreational
activity for both tourists and residents
over the past several decades.
Historically, most marine mammal
viewing focused on humpback whales
(Megaptera novaeangliae) during the
winter months when the whales migrate
from their feeding grounds off the coast
of Alaska to Hawaii’s warm and
protected waters to breed and calve.
However, increased viewing has focused
on small cetaceans, with a particular
emphasis on Hawaiian spinner dolphins
(Stenella longirostris), which can be
predictably found close to shore in
shallow waters throughout the MHI.
The number of commercial operators
engaged in wild dolphin viewing has
grown dramatically in Hawaii in recent
years (O’Connor 2009), putting new
pressures on easily accessible groups of
resting Hawaiian spinner dolphins. In
addition, a number of residents and
visitors venture on their own,
independent of commercial operators, to
view and interact with spinner
dolphins. The expectation for close
interactions with wild dolphins has
been encouraged by some operators and
various media outlets, which routinely
contradict established wildlife viewing
guidelines by promoting close vessel or
in-water encounters with the dolphins.
We have received many complaints
that spinner dolphins are being
routinely disturbed by people
attempting to closely approach and
interact with the dolphins by boat or
other watercraft (e.g., kayaks), or in the
water (e.g., snorkel or ‘‘swim-with-wilddolphins’’ activities). In addition,
concerns over human-dolphin
interactions have been expressed by
officials from the Hawaii Department of
Land and Natural Resources (DLNR) and
the U.S. Marine Mammal Commission
(MMC), as well as various members of
the public, including representatives of
the Native Hawaiian community,
scientific researchers, wildlife
conservation organizations, public
display organizations, and some
commercial tour operators.
In 2010, we recognized five islandassociated stocks and one pelagic stock
of Hawaiian spinner dolphins in our
annual Stock Assessment Report,
identifying genetic distinctions and site
fidelity differences as reasons to
separately manage stocks found in
waters surrounding the Hawaiian
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Islands (Carretta et al. 2010). Three of
the five island-associated stocks (the
Kauai/Niihau stock, Oahu/4 Islands
(i.e., Maui County) stock, and Hawaii
Island stock) are found near the MHI
and are considered resident stocks.
These three stocks reside in waters
surrounding their namesake islands out
to approximately 10 nm (18.5 km) (Hill
et al. 2010), and population estimates
for each stock are relatively small.
Recent research indicates that the
Hawaii Island stock, which is thought to
be the largest stock, has an estimated
631 individuals (Coefficient of Variation
(CV) = 0.09) (Tyne et al. 2014, Carretta
et al. 2016). Data for other stocks in the
MHI is limited; however, using the best
available information, the Kauai/Niihau
and Oahu/4 Islands stocks are estimated
to be around 601 (CV = 0.20) and 355
(CV = 0.09) individuals, respectively
(Carretta et al. 2016).
Island-associated spinner dolphins,
such as those found in the MHI, have
complex social structures and
behavioral patterns linked to specific
habitats that support their high
energetic demands. The rigid, cyclical,
and patterned behavior of a Hawaiian
spinner dolphin’s day is well
documented from decades of scientific
research on spinner dolphins off the
Kona coast on the island of Hawaii
(Norris and Dohl 1980, Norris et al.
1994). The daily pattern of Hawaiian
spinner dolphins has been characterized
as ‘‘working the night shift,’’ because
the energetically demanding task of
foraging is accomplished nightly when
spinner dolphins move offshore in large
groups to feed. Spinner dolphins feed
on fish, shrimp, and squid found in the
mesopelagic boundary community, part
of the pelagic zone that extends from a
depth of 200 to 1,000 m (∼660 to 3,300
feet) below the ocean surface. Spinner
dolphins maximize their foraging time
by actively moving with, or tracking, the
horizontal migration of the mesopelagic
boundary community throughout the
night, as it moves inshore until
midnight and then offshore around
sunrise (Benoit-Bird and Au 2003).
Spinner dolphins are acoustically very
active during foraging activities (Norris
et al. 1994), working cooperatively in
large groups using coordinated
movements to maximize foraging
potential (Benoit-Bird 2004).
During the day, spinner dolphins
return in smaller groups to areas closer
to shore to socialize, nurture their
young, and rest in preparation for
nightly foraging (Norris et al. 1994).
These smaller groups visit specific
habitats that are located along the
coastlines of the MHI. These preferred
daytime habitats of spinner dolphins are
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areas that provide space with optimal
environmental conditions for resting,
socializing, and nurturing young, and
are referred to hereafter as ‘‘essential
daytime habitats.’’ Spinner dolphins’
essential daytime habitats are located
close to offshore feeding areas, which
minimizes the energetic cost of nightly
travel to these areas (Norris et al. 1994,
Thorne et al. 2012). Additionally,
essential daytime habitats have large
patches of sand bottom habitat, which
increases the dolphins’ ability to
visually (instead of acoustically) detect
predators while resting, and thus
minimizes the energetic costs of
vigilance (Norris et al. 1994).
Throughout the day, spinner dolphins
take advantage of the physical
characteristics of essential daytime
habitats to engage in specific patterned
resting behaviors to recuperate between
foraging bouts. The physical
characteristics of these essential
daytime habitats, combined with
specific patterned resting behaviors,
play an important role in supporting the
dolphins’ activity and energetic budgets.
Essential daytime habitats have been
targeted by commercial operators and
individuals interested in viewing or
interacting with Hawaiian spinner
dolphins because encounters with
dolphins in these areas are virtually
guaranteed. At some locations, up to 13
tour boats have been observed jockeying
for position on a single dolphin group,
with up to 60 snorkelers in the water
(Heenehan et al. 2014). Apart from
commercial tour operations, people also
swim, kayak, or paddle into essential
daytime habitats to seek interactions
with the dolphins (Sepez 2006). In
addition, organized retreats centered on
dolphin encounters, dolphin-assisted
therapy, and dolphin-associated
spiritual practices have flourished in
certain areas, further increasing the
intensity of dolphin-directed activities
in nearshore areas and especially within
essential daytime habitats (Sepez 2006).
There is a growing body of scientific
evidence documenting the effects of
dolphin-directed activities on spinner
dolphins, especially activities that
involve close approaches by humans.
Peer-reviewed scientific literature
documents disturbance of individual
spinner dolphins as well as changes to
spinner dolphin group behavioral
patterns. Individual dolphin responses
to these activities vary, and in some
cases may not be apparent to an
observer (e.g., elevated heart rates or
increased watchfulness). However,
discernable responses may include
aerial displays when closely approached
by vessels and swimmers (Forest 2001,
Courbis and Timmel 2008); avoidance
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behaviors, including moving around
and away from swimmers and vessels,
or leaving the area in response to human
pursuit (Ostman-Lind et al. 2004,
Courbis 2004, Courbis and Timmel
2008); and aggressive behaviors directed
at people, including charging or threat
displays (Norris et al. 1985, Norris et al.
1994).
Effects have been documented in the
form of changes over time to spinner
dolphins’ behavioral patterns in
essential daytime habitats, where
spinner dolphins’ behavioral patterns
are easily observed. Courbis and
Timmel (2008) reported differences in
peak aerial activity throughout the day
in comparison with earlier studies
(Forrest 2001) and noted that dolphins
may have reduced aerial behavior when
entering and exiting bays to avoid
human notice and approaches. Timmel
et al. (2008) noted the dolphins’
direction of travel altered more
frequently as the number of swimmers
and/or vessels near to them increased.
Symons (2013) found that spinner
dolphins are less likely to rest when
swimmers are present within 150 m.
Numerous studies report changes in
dolphin residence time within essential
daytime habitats compared to earlier
studies (Courbis 2004, Courbis and
Timmel 2008, Ostman-Lind 2007, Forest
2001). In addition, human activities
within essential daytime habitats may
be affecting where spinner dolphins
engage in their daytime behaviors
within these areas. Courbis and Timmel
(2008) reported changes in the location
of resting spots within Kealakekua Bay
from previous studies by Doty (1968)
and Norris and Dohl (1980), and warned
that changes in locations within the bay
could be a precursor to abandonment of
the bay with future increases in traffic.
Hawaiian spinner dolphin studies off
the island of Oahu also demonstrate the
effects of swimmers on dolphins’ daily
resting behavioral patterns. As the
number of swimmers increased in an
essential daytime habitat off the west
coast of Oahu, the dolphins departed
the area at earlier times during the day,
possibly indicating reduced rest periods
in response to swimmer presence (Danil
et al. 2005). Additionally, Danil et al.
(2005) noted that on several occasions,
smaller spinner dolphin groups (<25
animals) refrained from entering an
essential daytime habitat when
swimmer presence was high, suggesting
that the observed spinner dolphin rest
patterns were altered in order to
accommodate and adapt to the
swimmers’ occurrence. The authors
predicted that swimmer presence keeps
the dolphins in a constant state of
alertness and vigilance, and that
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delayed diving behavior (in the morning
during swimmers’ presence) may
indicate a diminished quality of rest
(Danil et al. 2005).
When marine mammals respond to
disturbance events, they incur a cost in
the form of the energy expended to
respond as well as the lost opportunity
to engage in natural fitness-enhancing
behavior. For example, spinner
dolphins disturbed during rest may
engage in avoidance or distress
behaviors, which require energy, and
disturbance detracts from the dolphins’
abilities to recuperate from energetically
demanding behaviors such as foraging,
transiting to and from offshore foraging
grounds, and nurturing their young. In
this example, the lack of consistent,
undisturbed resting periods can reduce
the amount of energy available to forage
and care for young.
The predictable patterns of MHI
resident spinner dolphins’ nearshore
distribution and daytime behaviors
result in concentrated daily viewing and
interaction pressure on individual
dolphins and groups over extended
periods of time. In other small cetacean
populations, chronic disturbance to
natural behavioral patterns has been
linked to biologically significant
impacts such as habitat abandonment
and reduced female reproductive
success (Bejder 2005; Bejder et al.
2006a, 2006b; Lusseau and Bejder 2007).
Similarly, over time, chronic
disturbance to the MHI’s resident
spinner dolphins could ultimately lead
to habitat displacement and/or long
term impacts to their individual fitness.
These types of impacts may be
amplified in resident, closed or isolated
populations (local populations with
barriers to gene flow) (Bejder 2005)
because the impacts to multiple
individuals’ health and fitness are
quickly reflected in the overall fitness of
the population. Accordingly, the small
resident spinner dolphin populations of
the MHI may be more vulnerable to
negative impacts from human
disturbance.
Disturbances to dolphins’ daily
behavioral patterns may result in
‘‘take,’’ as defined and prohibited under
the MMPA and its implementing
regulations, and the chronic nature of
these problems in Hawaii and observed
changes to spinner dolphin behavioral
patterns over time are a cause for
concern.
Current MMPA Prohibitions and NMFS
Guidelines and Regulations
Under section 102 of the MMPA, 16
U.S.C. 1361 et seq., it is unlawful for
any person, vessel, or other conveyance
to ‘‘take’’ any marine mammal in waters
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under the jurisdiction of the United
States (16 U.S.C. 1372). The prohibition
against take includes acts that ‘‘harass’’
marine mammals (16 U.S.C. 1362(13)).
Harassment means any act of pursuit,
torment, or annoyance which has the
potential to injure a marine mammal in
the wild (Level A Harassment), or has
the potential to disturb a marine
mammal in the wild by causing
disruption of behavioral patterns,
including, but not limited to, migration,
breathing, nursing, breeding, feeding, or
sheltering (Level B Harassment) (16
U.S.C. 1362(18); see also 50 CFR 216.3).
In addition, NMFS’ regulations
implementing the MMPA further define
the term ‘‘take’’ to include ‘‘the
negligent or intentional operation of an
aircraft or vessel, or the doing of any
other negligent or intentional act which
results in disturbing or molesting a
marine mammal; and feeding or
attempting to feed a marine mammal in
the wild’’ (50 CFR 216.3).
Section 112 of the MMPA authorizes
NOAA to implement regulations that are
‘‘necessary and appropriate to carry out
the purpose’’ of the MMPA (16 U.S.C.
1382).
To date, NMFS has developed specific
approach distance regulations for
certain species of marine mammals
listed under the Endangered Species Act
(ESA) (16 U.S.C. 1531 et seq.). Each rule
was based on the biology of the marine
mammals and the best available
scientific information on the nature of
the threats. Examples of these types of
regulations include a 100-yard (91.4 m)
approach limit for humpback whales in
Hawaii (60 FR 3775; January 19, 1995);
a 100-yard approach limit for humpback
whales in Alaska, which includes a
speed restriction in the vicinity of the
whale (66 FR 29502; May 31, 2001); a
500-yard (457.2 m) approach limit for
North Atlantic right whales (62 FR 6729;
February 13, 1997); size-specific vessel
speed restrictions within specific areas
in waters off the U.S. East Coast to
protect North Atlantic right whales (73
FR 60173; October 10, 2008); and a 200yard (182.9 m) approach limit for killer
whales with prohibitions against vessels
intercepting a killer whale or
positioning the vessel in its path in the
inland waters of Washington State (76
FR 20870; April 14, 2011).
In addition to the specific ESA
regulations mentioned above, NMFS has
developed guidelines for conducting
responsible marine wildlife viewing to
help the public avoid causing any take
(harassment or disturbance) of protected
wildlife species (https://
www.nmfs.noaa.gov/pr/pdfs/education/
viewing_wildlife.pdf); these guidelines
have been available since 2004. On
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human interactions with marine
mammals in the wild, NMFS states the
following: ‘‘The MMPA does not
provide for a permit or other
authorization to view or interact with
wild marine mammals, except for
specific listed purposes such as
scientific research. Therefore,
interacting with wild marine mammals
should not be attempted and viewing
marine mammals must be conducted in
a manner that does not harass the
animals. NMFS does not support,
condone, approve, or authorize
activities that involve closely
approaching, interacting, or attempting
to interact with whales, dolphins,
porpoises, seals, or sea lions in the wild.
This includes attempting to swim with,
pet, touch, or elicit a reaction from the
animals’’ (https://www.nmfs.noaa.gov/
pr/dontfeedorharass.htm).
In addition to the national guidelines,
each of the five NMFS Regions has
developed recommended viewing
guidelines relevant to protected species
within their region to assist the general
public with information on how to
responsibly view and act around these
animals in the wild. The guidelines are
aimed at assisting the public in meeting
their obligations under the MMPA and
ESA. Although some guidelines address
activities that are prohibited under law,
others address activities that are not
expressly prohibited.
The NMFS Pacific Islands Regional
Office’s viewing guidelines for Hawaii
recommend that people view wild
dolphins from a safe distance of at least
50 yards (45.7 m) and advise against
trying to chase, closely approach,
surround, swim with, or touch the
animals. To support the guidelines in
Hawaii, NMFS has partnered with the
State of Hawaii and the Hawaiian
Islands Humpback Whale National
Marine Sanctuary over the past several
years to promote safe and responsible
wildlife viewing practices through the
development of outreach materials,
training workshops, signage, and public
service announcements. NMFS’
education and outreach efforts have also
been supported by a partnership with
the Watchable Wildlife program, a
consortium of Federal and State wildlife
agencies and wildlife interest groups
that encourages passive viewing of
wildlife from a distance for the safety
and well-being of both animals and
people (Duda 1995, Oberbillig 2000,
Clark 2006). In addition to the guidance
provided to the general public on
protected wildlife viewing, several tour
industry-specific programs have been
initiated in various NMFS regions to
further support protection of marine
mammals targeted for wildlife viewing.
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57857
In Hawaii this includes administration
of the voluntary Dolphin SMART
program for commercial operators who
pledge to comply with safe and
responsible wildlife viewing practices.
Dolphin SMART is a model wildlife
viewing stewardship program
developed by NMFS and NOAA’s Office
of National Marine Sanctuaries in
partnership with Whale and Dolphin
Conservation, the Dolphin Ecology
Project, local businesses, and members
of the public, who have teamed up to
support responsible viewing of wild
dolphins. The program was launched in
2007 in Key West, Florida, was
subsequently expanded to the Central
and Southwest Florida coast, and
established in Hawaii in 2011.
The NMFS Pacific Islands Regional
Office developed the Dolphin SMART
program in Hawaii to aid education and
outreach efforts for Hawaiian spinner
dolphin conservation and management.
Three businesses on Oahu, one on
Kauai, and two on Maui are currently
recognized as Dolphin SMART
participants.
The Dolphin SMART program goals
are to minimize the potential of wild
dolphin harassment caused by
commercial viewing activities, reduce
expectations of close interaction with
wild dolphins in a manner that may
cause harassment, address advertising
that creates expectations of engaging in
activities that may cause harassment,
and promote responsible stewardship of
dolphins in local coastal waterways.
The ‘‘SMART’’ acronym stands for:
S—Stay back 50 yards from dolphins
M—Move cautiously away if dolphins show
signs of disturbance
A—Always put your engine in neutral when
dolphins are near
R—Refrain from feeding, touching, or
swimming with wild dolphins
T—Teach others to be Dolphin SMART
More information on the Dolphin
SMART program can be found at the
following Web sites:
www.dolphinsmart.org and
www.facebook.com/
OfficialDolphinSmart.
Need for Additional Action
Despite the prohibitions, guidelines,
outreach, and stewardship efforts
currently in place, close interactions
between humans and spinner dolphins
continue to occur in Hawaii’s waters
and are especially prevalent in essential
daytime habitats (see Background). In
April 2000, the MMC released a
literature review of scientific
publications that evaluated the impacts
of swimming with wild dolphins
worldwide (Samuels et al. 2000). The
authors of this review noted the
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prevalence of disturbances by tourist
activities in areas critical to the animals’
well-being, and recommended that
precautions be taken to protect the
dolphins (Samuels et al. 2000).
The concerns about disturbance to
spinner dolphins by boaters and
swimmers prompted NMFS to raise the
topic of enhancing protections for these
animals in an Advanced Notice of
Proposed Rulemaking (ANPR) (70 FR
73426, December 12, 2005). Public
comments received in 2005 reiterated
and reinforced the concerns expressed
by the MMC. In the years since the 2000
Samuels et al. review, additional
scientific evidence has documented
disturbances or disruptions to spinner
dolphins by boaters or swimmers
(Forest 2001; Courbis 2004, 2007; Danil
et al. 2005; Timmel 2005; Courbis and
Timmel 2009; Ostman-Lind 2009;
Symons 2013; Heenehan et al. 2014;
Tyne et al. 2015). This problem is
pronounced in essential daytime
habitats that are targeted for dolphindirected activities, and animals that use
these areas are exposed to intense
activity on a daily basis. For example,
a recent study found that human
activities took place within 100 m of
spinner dolphins 83 percent of the time
the animals were using four essential
daytime habitats on the island of Hawaii
(Tyne 2015).
Based on extensive review and
analysis through internal scoping,
external scoping via the ANPR, public
scoping for the DEIS, and the best
available scientific information, we have
determined that the existing
prohibitions, regulations, and guidelines
need to be strengthened to protect
Hawaiian spinner dolphins from various
forms of take from human activities that
cause harassment or disturbance.
Dolphins’ response to disturbance varies
among individuals, but in most cases it
includes a departure from natural
behavioral patterns that support the
animal’s health and fitness, and chronic
disturbance may result in negative
impacts to the fitness of individuals
and/or populations. We therefore deem
it necessary and appropriate to adopt
additional regulations to clarify human
activities that result in take of Hawaiian
spinner dolphins, including harassment
or other forms of disturbance as
currently defined by statute and
regulation.
Although unauthorized take of
dolphins continues to be illegal
wherever it occurs, we are focusing
these regulations in nearshore areas, out
2 nm (3.7 km) from shore of the MHI
and including designated waters
between Lanai, Maui, and Kahoolawe
(see Figures 1 and 2 in section 216.20(e)
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and Geographic Area section below),
where the threat from dolphin-directed
activities is concentrated and where
spinner dolphins engage in daytime
behaviors, including resting, socializing,
nurturing, and traveling. These
additional measures are intended to
prevent ‘‘take’’ during important resting
periods and allow Hawaiian spinner
dolphins to engage in normal fitnessenhancing behaviors, thereby
preventing long-term negative impacts
to individuals and to the population.
Development of Proposed Regulations
In 2005, NMFS convened a Spinner
Dolphin Working Group with
representatives from the MMC, State
and Federal agencies, and scientific
researchers who work on spinner
dolphin conservation concerns. The
group evaluated the best available
information at the time to understand
the scope of the tourist and recreational
activities targeting spinner dolphins. As
noted above (Need for Additional
Action section), in December 2005, we
published an ANPR in the Federal
Register (70 FR 73426, December 12,
2005) to solicit input from the public on
potential ways to better enhance
protections for spinner dolphins and
mitigate activities of concern (e.g., close
approach and swim-with activities).
This was followed by a Notice of Intent
(NOI) to Prepare an Environmental
Impact Statement (EIS) under the
National Environmental Policy Act
(NEPA) (71 FR 57923; October 2, 2006),
in which we identified a preliminary
list of potential regulations for future
consideration and comment, which
included partial time-area closures in
certain spinner dolphin essential
daytime habitats, a minimum distance
limit for approaching dolphins in the
wild, restrictions on certain human
behaviors in NMFS-identified spinner
dolphin resting areas, and complete
closure of all known spinner dolphin
resting areas in the MHI.
During the ANPR and the NOI
comment periods, five public scoping
meetings were held on the islands of
Kauai, Oahu, Maui, and Hawaii, and
oral statements were taken at each
meeting. NMFS received a total of 4,641
public comments in response to the
ANPR and the NOI (this includes all
emails, letters, and public testimonies).
Comments were submitted by
concerned citizens, tour operators,
scientific researchers, conservation and
education groups, and Federal, State,
and other government entities.
Comments received through both of
the public comment periods varied
widely and recommended numerous
actions to consider, ranging from no
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regulations to permanent closure of
areas used by the dolphins for rest and
shelter. Additionally, public comments
raised concerns about various topics
that should be addressed in the EIS or
proposed action. These concerns are
grouped into various topics in the final
scoping report, and include the
following topics: Hawaiian spinner
dolphin biology and behavior; cultural
issues; cumulative effects; data/data
gaps; direct and indirect effects;
education/outreach; enforcement; the
ESA; guidelines/solutions for other
species or from other countries; humandolphin interaction, medical benefits
from swimming with dolphins; MMPA;
monitoring; the NEPA; public and
stakeholder involvement; regulatory
regime; social and economic issues;
spiritual and religious issues; take and
harassment, traditional Hawaiian
knowledge; and welfare of the dolphins.
Although comments varied greatly, a
consistent theme that stood out under
several topics was the need for effective
and enforceable regulations.
As a result of stakeholder concerns
expressed through these public
comments, and for the preparation of
this rule and associated DEIS, we made
multiple site visits to areas where
concerns have been raised regarding
Hawaiian spinner dolphin disturbance
in the MHI. During these visits, we met
with concerned members of the public
to gather information relevant to this
analysis. Additionally, we coordinated
with State and Federal agencies, and
used the public comments generated
from the ANPR and NOI to develop a
range of actions and mitigation
measures that are reflected in numerous
alternatives under consideration for the
proposed action.
Presentations made at the public
scoping meetings, the April 2007 EIS
public scoping summary report, a list of
the attendees, the ANPR, public
comments, and background materials
are provided at https://
www.fpir.noaa.gov/PRD/prd_spinner_
EIS.html.
We relied on the public comments on
the ANPR and the NOI, and on new
scientific information to develop a range
of regulatory and non-regulatory
alternatives, including the alternative of
not adopting regulations. We analyzed
the environmental effects of these
alternatives and considered options for
mitigating effects. After a preliminary
analysis of alternatives, we developed
and analyzed the effects of the swimwith and 50-yard (45.7 m) approach
regulations, which we chose as our
preferred alternative, which includes no
interception (i.e., ‘‘leapfrogging’’ or
placing a person or vessel in the path of
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dolphins for the purpose of
interception). As more fully discussed
below, we specifically seek public
comment on whether these proposed
measures alone will provide sufficient
protection to spinner dolphins from
human interactions.
Although not currently proposed, we
are considering whether other
management measures also may be
necessary and appropriate to protect
Hawaiian spinner dolphins from take,
especially in essential daytime habitats
targeted by humans for dolphin-directed
activities. Accordingly, we have also
analyzed the effects of the alternative
management measures of promulgating
swim-with and approach regulations,
while additionally creating either
mandatory (see DEIS Alternative 4) or
voluntary (see DEIS Alternative 5) timearea closures in five essential daytime
habitats. The results of our analyses are
contained in a DEIS. The DEIS is
available for review and comment in
association with this rulemaking (see
ADDRESSES). A description of these
alternatives is also included in the
Additional Measures Under
Consideration section of this proposed
rule.
SAPPHIRE Project
During the initial scoping period for
the Spinner Dolphin Human Interaction
EIS, we received comments that
recommended gathering additional
information on Hawaiian spinner
dolphins, including monitoring local
populations to determine impacts to
numbers and overall health of the MHI
resident spinner dolphins. In response
to this recommendation and to inform
this rulemaking effort, NMFS internal
grant funding was awarded to the
‘‘Spinner Dolphin Acoustics, Population
Parameters, and Human Impact
Research’’ (SAPPHIRE) program,
conducted jointly by Duke University
and Murdoch University. The
SAPPHIRE project’s objective was to
provide baseline data on the local
abundance, distribution, and behavior
of spinner dolphins in Kealakekua Bay,
Honaunau Bay, Kauhako Bay, and
Makako Bay off of the island of Hawaii,
as well as in nearshore, shallow-water
environments near these resting bays.
This intensive study integrated a suite
of visual and acoustic sampling
techniques, using boat-based and landbased surveys, as well as acoustic
recording devices, to assess the
following: Spinner dolphin daytime
habitat use and resting behavior in
study areas and surrounding waters;
residency and fidelity patterns of
spinner dolphins during the day in
nearshore habitats in both the study
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areas and surrounding waters; spinner
dolphin exposure to human activities
within the studied resting bays and
surrounding waters; and spinner
dolphin demographic response to
human activities within resting bays
and surrounding waters.
Research in the four bays and
nearshore waters of the island of Hawaii
began in August 2010 and was
completed in May 2013. Results from
this study provided robust population
estimates for the Hawaii Island stock
(see Background), as well as additional
information about spinner dolphin
habitat use and the pressure that this
resident stock faces from dolphindirected human activities. Many of
these studies have been published in
scientific literature and scientific
reports and were used to inform this
rulemaking process (Thorne et al. 2012,
Johnson et al. 2013, Heenehan et al.
2014, Tyne et al. 2014, Tyne 2015, Tyne
et al. 2015). Below we describe
information gained from several of these
studies.
Early researchers (Norris and Dohl
1980, Norris et al. 1994) hypothesized
that essential daytime habitats have
specific environmental characteristics
making them more favorable to the
dolphins in supporting resting
behaviors, such as shallow, calm, flat,
protected, sandy-bottomed bays that
provide easy access to nearby deepwater foraging areas. Thorne et al.
(2012) used dolphin surveys and
predictive habitat modeling to test a
suite of these environmental factors that
may make spinner dolphins favor these
areas. The study found that proximity to
deep-water foraging areas, depth, the
proportion of bays with shallow depths,
and low rugosity (indicating low
substrate roughness, i.e., sand) were
important predictors of spinner dolphin
habitat. The strongest predictors of
spinner dolphin resting habitat were
distance to the 100-m depth contour
(foraging habitat) and depth of the
resting areas, with spinner dolphin
resting habitat generally occurring in the
shallow depths (<50 m) within a bay
that was close to the 100-m depth
contour and thus, their offshore foraging
grounds (Thorne et al. 2012). In tests of
these characteristics across the MHI, the
bays that were predicted by the model
to be optimal resting habitats were
consistent with spinner dolphin resting
habitats that are recognized as preferred
from various observations and identified
in the DEIS.
Tyne et al. (2015) further examined
key ecological characteristics and
spinner dolphin behavior to see which
characteristics support resting behavior.
The most important factor contributing
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to the likelihood of rest was the
dolphins’ presence within a bay,
meaning that they were most likely to
rest when they were inside a bay (Tyne
et al. 2015). Another important factor
was the presence of sand substrate. In
general, spinner dolphins spent
disproportionately more time over
sandy substrates in and out of bays;
however, outside of bays, spinner
dolphins were observed mostly
travelling over sandy substrates. This
supports the finding that the bays
themselves are the most important
factor for resting behaviors, because
even sandy substrate outside of the bays
did not significantly predict resting
behavior. This work highlights the role
that habitat areas play in supporting
important fitness enhancing behaviors,
specifically rest.
Johnson et al. (2013) assessed the
influence of human activity on the
energy budget of Hawaiian spinner
dolphins using a theoretical model and
comparing predictions from the model
to empirical data collected in
Kealakekua Bay on spinner dolphin
behavior. Under the model, individual
dolphins needed to spend at least 60
percent of their time inshore in a resting
state to be in a positive energetic
balance. Given this assumption, direct
observations of spinner dolphins
suggest that these animals are currently
spending adequate amounts of time
engaged in resting behaviors to meet
their energetic requirements; however,
researchers cautioned that individuals
with high energetic demands could be at
a deficit. For example, nursing mothers
and juveniles generally have a much
higher energetic demand and these
individuals could be at risk of an
energetic deficit. This study also
evaluated the likelihood of spinner
dolphins resting, given various human
activities occurring at different
distances. Researchers found that the
presence of swimmers within 150 m
significantly decreased the likelihood of
resting. Interestingly, the likelihood of
dolphins resting was higher when
vessels were present between 50 and
150 m, creating the appearance of a
positive relationship between resting
behavior and vessel presence at this
distance. These results may demonstrate
a difference in dolphins’ perceived risk
between swimmers and vessels, or a
lack of perceived risk associated with
vessels. However, this positive
relationship between resting behavior
and vessels may also be influenced by
the high frequency of observations with
vessels present between 50–300 m and
few observations with no vessels
present (Johnson et al. 2013).
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Tyne (2015) similarly noted that
spinner dolphins off the west coast of
the island of Hawaii are exposed to a
high rate of human activities and that
this rate of exposure may obscure
researchers’ ability to distinguish
disturbance effects associated with
intense viewing pressures. In his
evaluations, Tyne (2015) found that
spinner dolphins were exposed to
human activities within 100 m over 80
percent of the time that the dolphins
were using essential daytime habitat.
Evaluations between control conditions,
i.e., no vessels or people within 100 m
of dolphins, and exposure conditions,
i.e., vessels or people within 100 m of
dolphins, suggested that human
activities did not have a significant
effect on the probability of spinner
dolphins engaging in resting,
socializing, or traveling. However,
control conditions did not occur often
(less than 18 percent of the time) or for
long periods of time (median duration of
10 minutes), preventing a robust
comparison for the purposes of
measuring effects. With so little control
data and with short durations between
exposures to human activity, Tyne
(2015) questioned whether the observed
data were representative of true or deep
resting behavior, or whether observed
resting behavior may only be ‘‘light’’
rest. In this case, observing behavior
alone may not be a reliable indicator for
measuring disturbance effects, because
observed resting behavior may not
represent behavior that provides
restorative benefits for these animals.
The rate of exposure to human activities
off the west coast of the island of Hawaii
is 25 percent higher than reported for
other dolphins studied for behavioral
response to human activities in other
areas of the world (Tyne 2015). This rate
of exposure may place resident stocks at
risk and long-term disturbance could
result in habitat displacement or
reduced fitness as seen in other dolphin
populations (Bejder et al. 2006a, 2006b;
Lusseau and Bejder 2007).
Proposed Rulemaking
The swim-with and approach
prohibitions described in this proposed
rule are designed to protect spinner
dolphins from take, including
harassment and disturbance, caused by
dolphin-directed activities that are
concentrated in coastal waters (within 2
nm (3.7 km) of shore and in designated
waters between Lanai, Maui, and
Kahoolawe) and reduce the impact of
increased viewing and interaction
pressures. Although we stress that
unauthorized take of spinner dolphins
or any marine mammals already is and
continues to be prohibited by the
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MMPA in any location, we believe that
specific regulations aimed at identified
human activities that result in take of
Hawaiian spinner dolphins is warranted
because of the chronic disturbance that
is currently taking place in nearshore
waters. NMFS is proposing these
regulations pursuant to its rulemaking
authority under MMPA sections 112(a)
(16 U.S.C. 1382(a)) and 102 (16 U.S.C.
1372).
Although not included in this
proposed rule, we are also considering
whether additional management
measures may be necessary and
appropriate to protect Hawaiian spinner
dolphins from take, especially in
essential daytime habitats targeted by
humans for dolphin-directed activities.
The Additional Measures Under
Consideration, Time-Area Closures
section below discusses both mandatory
and voluntary time-area closures as two
alternative management options that
may enhance protections for Hawaiian
spinner dolphins beyond the proposed
swim-with and approach rule.
Scope and Applicability
Applications to All Hawaiian Spinner
Dolphins
The proposed rule’s swim-with and
approach prohibitions would apply to
all Hawaiian spinner dolphins found in
the action area (see Geographic Action
Area section below).
Geographic Action Area
The action area for this rule is limited
to waters within 2 nm (3.7 km) of each
of the MHI and in designated waters
between the islands of Lanai, Maui, and
Kahoolawe (see Figures 1 and 2 in
section 216.20(e)). The latter designated
waters include all water areas enclosed
by three line segments that connect
points at the 2-nm boundary between
the islands as follows: The rhumb line
between (A1) 20°32′51″ N./156°43′50″
W. and (A2) 20°42′4″ N./156°55′34″ W.
between Kahoolawe and Lanai; the
rhumb line between (B1) 20°51′1″ N./
156°54′0″ W. and (B2) 20°59′48″ N./
156°42′28″ W. between Lanai and Maui;
and the rhumb line between (C1)
20°33′55″ N./156°26′43″ W. and (C2)
20°32′15″ N./156°29′51″ W. between
Maui and Kahoolawe. Throughout this
rule, all coordinates are referenced to
the World Geodetic System of 1984
(WGS84).
This is inclusive of the majority of the
nearshore habitats where MHI resident
stocks of spinner dolphins engage in
daytime behaviors and where dolphindirected human activities that may
result in take are known to occur (see
Rationale section below).
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Applications to All Forms of Swimming
and Approach
The regulations apply to all forms of
swim-with and approach activities in
water and air. Forms of approaching
spinner dolphins include, but are not
limited to, operating a manned or
unmanned motorized, non-motorized,
self-propelled, human-powered, or
submersible vessel; operating an
unmanned aircraft system (UAS) or
drone; and swimming at the water
surface or underwater (i.e., SCUBA or
free diving).
Requirements of the Proposed Rule
Swim-With and Approach Regulations
The proposed rule would prohibit
people from engaging in the following
activities around Hawaiian spinner
dolphins:
(1) Approaching or remaining within
50 yards (45.7 m);
(2) Swimming or attempting to swim
within 50 yards;
(3) Causing a vessel, person, or object
to approach or remain within 50 yards;
and
(4) Intercepting, or placing a vessel,
person, or other object on a path of a
spinner dolphin so that the dolphin
approaches within 50 yards of the
vessel, person, or object.
Exceptions
NMFS considered specific categories
that should be exempt from the
regulations, which are proposed below:
(1) Any person who inadvertently
comes within 50 yards (45.7 m) of a
Hawaiian spinner dolphin or is
approached by a spinner dolphin,
provided the person makes no effort to
engage or pursue the animal and takes
immediate steps to move away from the
animal;
(2) Any vessel that is underway and
is approached by a spinner dolphin,
provided the vessel continues normal
navigation and makes no effort to
engage or pursue the animal;
(3) Any vessel transiting to or from a
port, harbor, or in a restricted channel
when a 50-yard distance will not allow
the vessel to maintain safe navigation;
(4) Vessel operations necessary to
avoid an imminent and serious threat to
a person or vessel;
(5) Activities authorized through a
permit or authorization issued by the
NMFS to take spinner dolphins; and
(6) Federal, State, or local government
vessels, aircraft, personnel, and assets
when necessary in the course of
performing official duties.
The exception for vessels transiting to
or from ports, harbors, or restricted
channels is necessary to allow
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continuation of safe navigation when
approaching spinner dolphins closer
than 50 yards is unavoidable. For these
cases, the vessel should continue
normal navigation to reduce the
likelihood that close interactions result
in disturbances for an appreciable
period of time. The exception for vessel
operations necessary to avoid an
imminent and serious threat to a person
or vessel is needed for the safety of
human life and property, and to allow
for compliance with applicable
navigation rules. The exception for
government vessels, aircraft, personnel,
and assets operating in the course of
official duties is intended to avoid
disruption of essential government
missions, including enforcement and
national security activities. The
exception for vessels or persons engaged
in an activity authorized through a
permit or other authorization issued by
the NMFS to take spinner dolphins is
necessary to ensure the continued
availability of scientific research and
biological data necessary to inform
management and conservation decisions
related to the dolphins. We anticipate
that compliance with relevant permit
terms and conditions will help
minimize the potential impacts to
dolphins.
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Rationale
Proposed Action—Swim-With and
Approach Regulations
Hawaiian spinner dolphins resident
to the MHI are made up of small,
genetically isolated stocks that exhibit a
specialized behavioral ecology that
makes them easy to access in coastal
environments during their daytime
resting hours. This leaves these resident
stocks vulnerable to human-caused
disturbance and its effects such as
habitat abandonment or declines in
reproductive success (Norris et al. 1994,
Andrews et al. 2010, Tyne et al. 2014).
In the MHI, dolphin-directed activities
have increased in recent years and the
public’s expectation of close
interactions has placed increased
pressure on resident stocks of Hawaiian
spinner dolphins and the habitats that
support these stocks (see Background
above). Despite outreach, guidelines,
and current prohibitions, observations
in the field indicate that MHI resident
Hawaiian spinner dolphins’ natural
behaviors are disrupted by activities
that include approach by both
swimmers and vessels (Ostman-Lind et
al. 2004, Danil et al. 2005, Courbis 2004,
Courbis and Timmel 2008), and
overarching spinner dolphin group
behavioral patterns may be changing in
essential daytime habitats as a result of
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these pressures (Norris et al. 1994,
Forest 2001, Courbis 2004, Courbis and
Timmel 2008).
Observed individual dolphin
responses to disturbance events when
closely approached by people and
vessels include charging or threat
displays, aerial displays, and avoidance
behaviors such as moving around and
away from people and vessels, or
leaving the bay in response to human
pursuit (Norris et al. 1985, Norris et al.
1994, Forest 2001, Ostman-Lind et al.
2004, Courbis 2004, Courbis and
Timmel 2008). Additionally, researchers
have observed changes to behavioral
patterns in essential daytime habitats,
including differences in aerial activity
(Courbis and Timmel 2008) and changes
in dolphin residence time and
distribution within essential daytime
habitats, that may be linked to the
intensity of human activity (Forest 2001;
Danil et al. 2005; Courbis 2004, 2007;
Courbis and Timmel 2008; Ostman-Lind
2007).
Chronic disturbance can disrupt
natural behavioral patterns associated
with feeding, resting, nurturing, and
socializing, and diminish the animals’
ability to utilize the benefits of
important habitat, ultimately resulting
in negative impacts to the fitness of
individuals and resident populations.
For example, disturbance while spinner
dolphins are resting detracts from the
dolphins’ abilities to recuperate from
energetically demanding behaviors such
as foraging, transiting to and from
offshore foraging grounds, and nurturing
their young. If these disturbances
happen chronically, the lack of
consistent, undisturbed resting periods
can reduce the amount of energy
available to forage and care for young.
In other small cetacean populations,
chronic human disturbances have been
linked to biologically significant
impacts such as reduced female
reproductive success (Bejder 2005,
Lusseau and Bejder 2007).
In other locations globally, intense
dolphin-directed human activities have
resulted in changes to targeted dolphin
populations’ habitat use and even
caused habitat abandonment (Bejder et
al. 2006a, 2006b; Gannier and Petiau
2006; Nature Conservation Sector 2006;
Lusseau and Bejder 2007; Notarbartolodi-Sciara et al. 2009). For example, in a
bay in Tahiti, spinner dolphin residence
times were negatively influenced by
boat presence. Spinner dolphins often
left the bays earlier when there was an
increase in boat presence, and this
increased boat disturbance may have
deterred dolphins from entering the bay
the next day (Gannier and Petiau 2006).
Additionally, in Samadai Reef, Egypt,
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spinner dolphins were reported as
noticeably distressed from excessive
numbers of visitors and people
attempting to interact with the dolphins
(Notarbartolo-di-Sciara et al. 2009). The
spinner dolphin group abandoned this
preferred resting area, presumably to
avoid the disturbance from vessels and
visitors (Nature Conservation Sector
2006), and did not returned to the site
until after management measures were
put in place. Management measures
included prohibiting human entry into
the core resting area, and restricting
certain activities in areas surrounding
the core resting area to prevent further
disturbance (Nature Conservation Sector
2006, Notarbartolo-di-Sciara et al. 2009).
Chronic disturbance of spinner
dolphins in the MHI could negatively
affect the habitat use or health of
resident populations. Additionally,
disturbance effects may be amplified in
the MHI’s resident stocks, which exhibit
high site fidelity and restricted gene
flow, because the impacts to multiple
individuals’ health and fitness are
quickly reflected in the overall fitness of
these small populations (Bejder 2005).
The 50-yard (45.7 m) approach
regulation, including prohibiting
swimming with dolphins, is intended to
reduce the degree of behavioral
disruption from close approaches by
vessels and swimmers, while allowing
for meaningful dolphin watching
opportunities. Research indicates that
spinner dolphins exhibit changes and
disruptions to natural behaviors from
close approach by swimmers (Danil et
al. 2005, Courbis and Timmel 2008) and
that swimmer presence within 150 m
reduces the likelihood of spinner
dolphins being in a resting state
(Symons 2013, Johnston et al. 2014).
Approach by vessels and watercraft
have also been shown to disrupt and
alter spinner dolphin behavior (Ross
2001, Forest 2001, Timmel et al. 2008).
In the MHI, several studies note that
close approach by vessels disrupt
dolphin behaviors at various distances
ranging from 10 m to 300 m (Forest
2001, Timmel et al. 2008). At Midway
Atoll in the Northwestern Hawaiian
Islands, Ross (2001) found that spinner
dolphins were affected by vessel
presence at distances as great as 500 m
and that the effects increased as the
distance decreased. Although Johnson et
al.’s (2013) work in the MHI found the
likelihood that dolphins were resting
was higher when vessels were present
between 50 and 150 m, they noted that
these results may be influenced by the
fact that vessels were present in
proximity to the dolphins most of the
time.
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We have considered multiple
distances that may provide protections
for spinner dolphins from human
activities that result in take (such as
swimming with and approaching
dolphins), including 50 yards, 100 yards
(91.4 m), or even greater distances.
NMFS believes that 50 yards is the
minimum distance that will prevent
most forms of take, while also providing
the public with sufficient opportunity to
tailor their conduct to avoid disruptive
encounters with spinner dolphins. We
already recommend this distance (50
yards) in our wildlife viewing
guidelines and request that people do
not swim-with wild dolphins to reduce
the risk of behavioral disruption from
close encounters. These guidelines are
recognized by tour operators and are
used by some (e.g., Dolphin SMART
operators) to help ensure that spinner
dolphins are viewed responsibly.
A 100-yard approach restriction exists
for humpback whales and this distance
was also considered for reducing take of
spinner dolphins. Spinner dolphins are
fast-moving, small cetaceans and groups
of dolphins may move through areas
changing directions throughout the day.
A distance restriction of 100 yards
provides more space for these animals
to move back and forth, and helps
ensure that people and vessels have
sufficient opportunity to maintain an
appropriate distance to avoid take. A
100-yard approach restriction might also
be easier for vessel operators to
recognize and achieve, as this distance
applies to humpback whales. However,
approach regulations at a distance
greater than 50 yards may be difficult
for recreational swimmers to recognize
and achieve in the water. Based on the
best scientific information available, it
is difficult to determine a precise
distance beyond which human activity
does not have the potential to cause
disturbance by disrupting natural
behaviors. However, we recognize that
not all approaches within 100 yards
result in take, and we are concerned that
such a prohibition may unnecessarily
burden the public, without necessarily
achieving the purposes of this
rulemaking. Further, this greater
distance may diminish both the
experience of dolphin watching and
opportunities to participate in dolphin
watching, because these animals are
small and may be difficult to spot at a
distance. NMFS recognizes that the
dolphin watching industry is important
to Hawaii’s economy, and that these
tours have the ability to inform the
public about dolphins and to foster
stewardship. To reduce the threat of
take occurring (including harassment
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and disturbance) when swimmers and
vessels closely approach dolphins, to
remain consistent with the current
recommended approach guideline for
the region, and to allow for continued
dolphin watching opportunities at safe
distances, NMFS is proposing a distance
of 50 yards for swim-with and approach
restrictions.
The proposed swim-with and
approach regulations prevent a range of
human activities that occur in close
proximity to Hawaiian spinner
dolphins. This includes swimming-with
spinner dolphins, touching or
attempting to touch spinner dolphins;
corralling or herding spinner dolphins
into small areas; and leap-frogging, all of
which have the potential to disturb the
dolphins and result in take.
Implementation of these prohibitions
would include enforcement by NMFS
and DLNR Division of Conservation and
Resource Enforcement (DOCARE)
personnel, and outreach by NMFS staff
and volunteers who would assist with
an informational campaign about the
new regulation and the scientific
information on which it is based. This
proposed rule provides new tools for
enforcement that are measurable, easy to
understand, and based on the best
available science regarding human
impacts on spinner dolphins. To limit
some potential impacts to the public
from these regulations, we propose
exceptions that are designed to allow for
transit into and out of ports, harbors,
and restricted channels; public safety
measures; avoidance of penalties when
the animal has closely approached a
boat or person; and continuation of
essential government and permitted
activities (see Exceptions section above).
The DEIS contains a full analysis of a
No Action Alternative, other
alternatives, and the Preferred
Alternative.
The costs of implementing human
and vessel regulations to protect the
dolphins are expected to be low. Some
will be borne by the commercial
dolphin watch and dolphin swim
industry, dolphin-associated spiritual
retreats, and other generalized nature
tours (see the DEIS and the Regulatory
Flexibility Act section below for more
information). While some dolphin
watch companies and community
members have suggested that restricting
swimming with the dolphins or closely
approaching them may affect revenue,
surveys of tour participants indicate that
close approach of the dolphins may not
be the most important aspect for the
dolphin watching participants, and that
participants will support viewing these
animals in a manner that reduces the
potential for disruptive encounters with
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dolphins (Wiener 2015). Other impacts
to boaters, swimmers, kayakers, and
others who are not engaged in dolphindirected activities are expected to be
minor and include slight changes to
operations to comply with the proposed
regulations.
The reduction in disturbance to
Hawaiian spinner dolphins, as
addressed through each element of the
rule as described above, provides a
benefit to the dolphins as well as to
members of the public who value the
dolphins. Reducing threats to the
dolphins also supports the long-term
sustainability of the responsible dolphin
watching industry.
Geographic Scope (Distance From
Shore)
The proposed regulations are
designed to address dolphin-directed
activities that are resulting in various
forms of take of Hawaiian spinner
dolphins. NMFS selected 2 nm (3.7 km)
from shore around the MHI as well as
designated waters between the islands
of Lanai, Maui, and Kahoolawe as the
boundary for the proposed prohibitions
because this range encompasses the
areas where current and best available
information indicates that most
dolphin-directed activities are likely to
be concentrated. NMFS gathered
information from scientific literature
about Hawaiian spinner dolphin
daytime habitat preferences and
information from over 400 sightings of
spinner dolphins collected around the
MHI since 1992 from various members
of the Pacific Islands Photo
Identification Network (PIPIN) to
determine where resident spinner
dolphins are likely to occur during the
day. Dolphin-directed activities in
Hawaii are concentrated in the
nearshore portion of the islandassociated Hawaiian spinner dolphin
stocks’ ranges because these stocks are
easily accessed in coastal waters during
the day when most people seek out
marine recreational activities.
Daytime habitat for Hawaiian spinner
dolphins varies across the MHI, because
the bathymetry, or depths and shapes of
underwater terrain, is different for each
island, and spinner dolphins seek out
areas with physical and biological
characteristics that support their
ecological needs (see Background
section). On Hawaii Island, Norris et al.
(1994) indicate that spinner dolphins
generally prefer areas with depths of
less than 50 m for engaging in resting
activities, and Thorne et al. (2013) note
that resting habitats generally occur in
close proximity to the 100-m contour
(close to the inshore extent of prey
species at night). Spinner dolphins are
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also known to transit along Hawaii
Island’s coastline, moving between
resting areas during the day. Lammers et
al. (2004) indicate that Oahu’s spinner
dolphins show a strong affinity for the
10-fathom isobath (18.3 m), and note
that approximately 93 percent of
sightings off Waianae and 81 percent of
sightings off the south shore of Oahu
occurred at depths shallower than 17
fathoms (31.1 m). Lammers et al. (2004)
also note that foraging activities begin
by evening around the 100-fathom
isobath (182.9 m) off Oahu. Information
received from PIPIN indicates that
approximately 89 percent of spinner
sightings across the MHI were in waters
within the 100-m depth contour and
that 95 percent were in waters within
the 200-m depth contour, although
spinner dolphins have been observed in
waters during the day where depths are
as great as 3,000 m (NMFS 2016).
In reviewing this information, we
determined that selecting a boundary
based on depth in any particular area
may be difficult for people to identify
without having access to proper
instrumentation (which would be
especially difficult for kayakers,
standup paddleboarders, and
swimmers), and that the distance from
shore may provide a more easily
discerned boundary. In addition,
although spinner dolphin daytime
habitat may be located at different
distances from the shoreline of different
islands, establishing different
prohibitions based on the location of
these daytime habitats (e.g., having
restrictions out to 1 nm (1.9 km) or 2 nm
depending on the island) could subject
the public to inconsistent and confusing
requirements, and complicate both
enforcement of and compliance with
these regulations. This could be
particularly difficult in areas where
multiple islands are visible and the
restricted distances differ around
different islands. Therefore, we
evaluated consistent distances from
shore across the MHI.
We reviewed the habitat preferences
and sighting information as it relates to
distance from shore to identify a
boundary that would be easy for people
to recognize and would incorporate the
best available information about spinner
dolphin habitat preferences and sighting
information. Along the west coast of
Hawaii Island, habitats that are 50 m or
less in depth and where dolphindirected activities are prevalent, are
encompassed within 1–1.5 nm (1.9–2.8
km) from shore. Habitats within 100 m
depth fall almost entirely within 2 nm
of shore, and at 3 nm (5.6 km) these
areas are entirely included. Off the west
coast of Oahu, where most dolphin-
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directed activities on this island occur,
the 10-fathom (18.3 m) isobath is largely
captured within 1 nm of shore, while 17
fathoms (31.1 m) is largely captured
within 1.5 nm. Habitats of these depths
extend out farther on the south shore
where spinner dolphins are also known
to rest; these habitats are largely
captured within 1.5 and 2 nm from
shore respectively. The 100-fathom
(182.9 m) contour is largely captured
within 1.5 nm on the west side of the
island, but extends out past 3 nm on the
south shore. Little information is
available from the other MHIs regarding
specific depth preferences, although
there are areas where the 50- and 100m depth contours extend past 4 nm (7.4
km). Off most of the MHI, a large
majority of the PIPIN sighting
information is captured within 2 nm
from shore.
A key area for spinner dolphin
sightings during the day, where the
depth contour extends out past 4 nm, is
between the islands of Lanai, Maui, and
Kahoolawe. This area is traversed by
many recreational and commercial tour
vessels in search of marine mammal
viewing opportunities throughout the
day. Consequently, spinner dolphins
also require protections in this area. To
ensure that dolphins are protected
throughout the day where they may
transit between islands and encounter
dolphin-directed activities, we
delineated an area around all three
islands that includes the 2-nm buffer
around the outside of each island and
the channels and waters between these
islands. This delineated area includes
96 percent of all PIPIN sighting
information across the MHI.
We are proposing this action to
reduce the threat of take of Hawaiian
spinner dolphins (including harassment
and disturbance) caused by dolphindirected activities that are concentrated
in coastal waters of the MHI and to
reduce the impact of increased viewing
and interactions pressures on MHI
resident stocks. We do not expect that
these same pressures are prevalent in
the outer portions of the MHI stocks’
ranges, because these spinner dolphins
are not easily accessed when they are
offshore. Therefore, the proposed rule
applies to an area within 2 nm of the
MHI and in designated waters between
the islands of Lanai, Maui, and
Kahoolawe. This area encompasses the
majority of the resident stocks’ daytime
habitat, thereby incorporating the area
where spinner dolphins are easily
accessed and where take of Hawaiian
spinner dolphins is most likely to occur.
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Additional Measures Under
Consideration: Time-Area Closures
Although not currently proposed, we
are also considering and seeking public
comment on whether additional
management measures (beyond swimwith and approach regulations) may be
necessary and appropriate to protect
Hawaiian spinner dolphins from take,
especially in essential daytime habitats
targeted by humans for dolphin-directed
activities. At this time, we believe that
the swim-with and approach regulations
alone will provide sufficient protection
to Hawaiian spinner dolphins, by
reducing close encounters between
spinner dolphins and humans that
result in take. We also expect that the
swim-with and approach regulations
will reduce the intensity of activities
within essential daytime habitats that
are targeted by people for dolphindirected activities to some degree.
However, NMFS recognizes that the
intensity of activity in some of these
areas is high and that additional
measures could be necessary.
Area closures have been shown to be
an effective management tool for
addressing the intensity of wildlife
viewing and interaction in other areas
globally (Notarbartolo-di-Sciara et al.
2009, Nature Conservation Sector 2006).
Area closures provide members of the
public with precise boundaries so that
they may readily tailor their conduct
accordingly. However, area closures can
also carry undesired costs, such as by
imposing a burden on the public when
spinner dolphins are not present. We
are mindful of this potential and believe
a careful approach is warranted. By first
implementing swim-with and approach
regulations, we expect to reduce take of
Hawaiian spinner dolphins resulting
from interactions with swimmers and
vessels. We also expect to gather
additional information about the
effectiveness of these measures. Should
this action’s swim-with and approach
regulations provide insufficient
protection for Hawaiian spinner
dolphins using essential daytime
habitats, we would consider additional
conservation and management
measures, including time-area closures,
to reduce take in high intensity areas.
Below we discuss two management
options that are analyzed in the DEIS.
We invite public comment about
whether and at what point these
management options or others may be
necessary and appropriate to protect
Hawaiian spinner dolphins from take.
Two possible management options
evaluated in the DEIS would create
either mandatory (see Alternative 4 in
the DEIS) or voluntary (see Alternative
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5 in the DEIS) time-area closures in five
essential daytime habitats, in addition
to the swim-with and approach
regulations. We selected the five areas
for potential time-area closures using a
step-down process. In this approach, we
identified important habitats that might
benefit from additional protection, and
then considered additional factors that
may promote or obstruct the
effectiveness of the closure. (See
Appendix A of the DEIS for more
detail.) The five sites are essential
daytime habitats where human activities
are largely Hawaiian spinner dolphindirected, where closures are logistically
feasible, and where regulatory measures
can be balanced most effectively with
human ocean use to protect these
dolphins. Once the sites were selected
for time-area closures, we delineated
core areas within each of the five sites
where spinner dolphins are most often
engaged in resting activities. The core
areas would be subject to closure, while
leaving other areas of the bays open in
order to minimize impacts on other
human activities (e.g., snorkeling,
surfing).
As noted in the SAPPHIRE Project
section above, essential daytime habitats
are particularly important to islandassociated spinner dolphins because the
habitats provide environmental
characteristics that support the
dolphins’ ability to minimize travel to
offshore food sources and to detect
predators (Norris and Dohl 1980, Norris
et al. 1994, Thorne et al. 2012). Tyne et
al. (2014) reported that spinner
dolphins off the island of Hawaii are
most likely to rest while inside these
habitats that support predator detection
and noted that dolphins using these
areas off the west coast of Hawaii are
experiencing human activities within
100 m over 80 percent of the time.
Chronic wildlife disturbance within
important habitats may lead to habitat
abandonment and/or negatively impact
the health of individual dolphins,
ultimately leading to population level
impacts (Frid and Dill 2002, Bejder
2006). Additional management in these
areas may be important to ensure that
Hawaiian spinner dolphins are given
sufficient space for groups to engage in
deep resting behaviors that allow
dolphins to recuperate from other
energy demanding activities, such as
foraging.
For time-area closures we are
considering a closure time of 6 a.m. to
3 p.m. This time-period would allow
spinner dolphins to enter essential
daytime habitats without disturbance
and remain in these areas undisturbed
during peak resting hours, while
allowing for human activities to occur
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(at a distance greater than 50 yards (45.7
m) in accordance with the approach
regulations) after 3 p.m. Historic spinner
dolphin resting times (before human
interactions were likely a major factor in
the dolphins’ resting patterns) were
observed to occur between dawn and
dusk (Norris and Dohl 1980), and
research indicates that Hawaiian
spinner dolphin resting behavior still
occurs throughout daytime hours
(generally 6 a.m. to 6 p.m.) with the
highest resting activity occurring
between 10 a.m. and 2 p.m. (Tyne et al.
2015). Nevertheless, some Hawaiian
spinner dolphin groups have been
deterred from entering their essential
daytime habitat if human presence in
the area was too high early in the day
(Danil et al. 2005). Preventing
disturbance in these habitats during
early morning hours is important to
support spinner dolphins’ arrival to the
essential daytime habitat and their
descent into rest. The late afternoon
hours are considered a time of transition
and described as a time when the
dolphins rally together and engage in
zig zag movements as they are waking
from their deep rest, prior to moving
offshore to their foraging grounds
(Norris et al. 1994). However, the
afternoon hours are also a popular time
for human recreational use. Because the
swim-with and approach regulations
would provide a measure of protection
for spinner dolphins as they increase
activity toward the end of their resting
period, we would end the closure time
at 3 p.m. Swim-with and approach
regulations would continue to provide a
buffer of protection to the dolphins at
the end of their peak resting times,
while also allowing some of these
human activities to occur for a limited
time period.
For either mandatory or voluntary
closure options, the closure areas would
be marked using buoys, sight-line
markers, and landmarks from shore, and
explanations of the closure’s purpose
and effective hours would be provided
by signs on land and through other
public outreach efforts. The intent of
both mandatory and voluntary closures
would be to prevent take by eliminating
the intense human activity within
essential daytime habitats during
important resting times. These closures
would allow for increased opportunities
for spinner dolphins to engage in
fitness-enhancing behaviors in the
absence of vessels and people.
The bays identified for the mandatory
and voluntary time-area closure options
are (1) Makako Bay, (2) Kealakekua Bay,
(3) Honaunau Bay, and (4) Kauhako Bay
on the island of Hawaii, and (5) La
Perouse Bay on the island of Maui.
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Below we describe the areas delineated
for the time-area closures; these areas
are also depicted in Figures 1–5 of this
preamble.
Makako Bay. The lines between
points A, B, C, and D shown in Figure
1 illustrate the marine boundaries for
the time-area closure for Makako Bay;
the shoreline boundary is at the mean
lower low water line (meaning activities
could occur in the intertidal zone)
between points A and D. The following
geographic coordinates provide the
approximate location for each point in
Figure 1: A) 19°44′21.61″ N.,
156°3′16.37″ W.; B) 19°44′25.18″ N.,
156°3′26.07″ W.; C) 19°44′2.16″ N.,
156°3′35.51″ W.; and D) 19°43′57.31″ N.,
156°3′23.04″ W. Two buoy markers
would be placed at points B and C
aligned with site line markers on shore
at points A and D to delineate the
closure area (Figure 1). The closure
encompasses approximately 0.14 mi2
(0.36 km2) of essential daytime habitat
used by Hawaiian spinner dolphins.
These coordinates, and coordinates for
the other time-area closures, are
considered approximate because the
exact locations would not be specified
until the buoy anchoring system is
identified and an underwater survey is
completed.
No public access point from shore is
identified by the County of Hawaii for
Makako Bay. The closest access points
are identified south at Wawaloli Beach,
with another access point identified
North at Keahole Point.
Kealakekua Bay. The lines between
points A, B, C, and D shown in Figure
2 illustrate the time-area closure for
Kealakekua Bay. The following
geographic coordinates provide the
approximate location for each point in
Figure 2: A) 19°28′37.82″ N.,
155°55′15.03″ W.; B) 19°28′54.23″ N.,
155°55′44.90″ W.; C) 19°28′48.42″ N.,
155°55′49.04″ W.; and D) 19°28′32.19″
N., 155°55′19.20″ W. The closure area
would be delineated by means of six
marker buoys—one located at each
corner and one located at the middle of
each of the lengthwise boundaries.
Informational signs would be placed on
shore to inform the public of the closure
areas. The closure encompasses
approximately 0.08 mi2 (0.21 km2) of
essential daytime habitat used by
Hawaiian spinner dolphins.
The County of Hawaii identifies two
public access points on Boulder Beach
and Napoopoo Landing at Kealakekua
Bay; both points would remain open for
access. Additionally, the route used by
kayakers to access the Captain Cook
Monument at Kaawaloa from Napoopoo
Pier is located outside of the closure
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area. A line on the map going across the
bay depicts this route.
Honaunau Bay. The lines between
points A, B, and C shown in Figure 3
illustrate the marine boundaries for the
time-area closure for Honaunau Bay; the
shoreline boundary is at the mean lower
low water line (meaning activities could
occur in the intertidal zone) between
points A and C. The following
geographic coordinates provide the
approximate location for each point in
Figure 3: (A) 19°25′27.13″ N.,
155°54′41.65″ W.; (B) 19°25′21.41″ N.,
155°54′58.17″ W.; and (C) 19°25′31.99″
N., 155°54′58.24″ W. The closure site at
Honaunau would be delineated by
means of a single marker buoy at point
B to accommodate local native
Hawaiians’ requests to honor the sacred
nature of this cultural site, and would
be aligned with site line markers on
shore at points A and C (Figure 3).
Informational signs would be placed on
shore to inform the public of the closure
areas. The closure encompasses
approximately 0.04 mi2 (0.10 km2) of
essential daytime habitat used by
Hawaiian spinner dolphins.
The County of Hawaii identifies
Honaunau Bay boat ramp as a public
access area for this bay. The boat ramp
and the popular access point for
swimming and snorkeling known as
Two-Step are located outside of the
closure area, and would remain open for
everyday use.
Kauhako Bay. The lines between
points A, B, and C shown in Figure 4
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illustrate the marine boundaries for the
time-area closure for Kauhako Bay; the
shoreline boundary is at the mean lower
low water line (meaning activities could
occur in the intertidal zone) between
points A and B. The following
geographic coordinates provide the
approximate location for each point in
Figure 4: (A) 19°37′86.15″ N.,
155°89′68.10″ W.; (B) 19°37′91.79″ N.,
155°89′95.98″ W.; and (C) 19°37′04.02″
N., 155°89′70.41″ W. A single marker
buoy would be placed approximately 35
m from shore to delineate the inner bay
closure boundary. Sight line markers at
each of the points A, B and C (Figure 4),
and two buoys placed along the offshore
boundary (line B–C) would delineate
the closure area at this bay.
Informational signs would be placed on
shore to inform the public of the closure
areas. The closure encompasses
approximately 0.087 mi2 (0.18 km2) of
essential daytime habitat used by
Hawaiian spinner dolphins.
The County of Hawaii identifies
Hookena Beach Park as a public access
point for this area. The nearshore area
located inshore of the line between
points A and B would be open for
everyday use, including swimming,
snorkeling, and freediving.
La Perouse Bay. The lines between
points A, B, C and D shown in Figure
5 illustrate the marine boundaries for
the time-area closure for La Perouse
Bay; the shoreline boundary is at the
mean lower low water line (meaning
activities could occur in the intertidal
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zone) between points A and C, and
between B and D. The following
geographic coordinates provide the
approximate location for each point in
Figure 5: (A) 20°35′56.90″ N.,
156°25′17.04″ W.; (B) 20°35′25.68″ N.,
156°24′44.72″ W.; (C) 20°35′39.30″ N.,
156°25′33.85″ W.; and (D) 20°35′10.98″
N., 156°24′50.90″ W. A single marker
buoy would be placed approximately
100 m offshore of the most popular
snorkeling entry point to delineate the
nearshore boundary line, with three
buoys placed along the offshore
boundary line (line C–D) to delineate
the outer closure boundary. Shore-based
markers at points A, B, C, and D would
provide a sightline. Informational signs
would be placed on shore to inform the
public of the closure areas. The closure
encompasses approximately 0.32 mi2
(0.83 km2) of resting habitat used by
Hawaiian spinner dolphins.
Maui County identifies La Perouse as
a public access point for this area
(coordinates: 20°36′09.66″ N.,
156°25′22.48″ W.). The area inshore of
the line between A and B, which
includes this access point, would
remain open for everyday uses such as
surfing, snorkeling, and freediving.
Activities occurring in the intertidal
zone (the area that is above water at low
tide and under water at high tide), such
as shore-based fishing and subsistence
gathering, would be able to continue
during any time of day in either type of
closure.
BILLING CODE 3510–22–P
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Figure 1. Time-Area Closure Depiction, Makako Bay
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Figure 2. Time-Area Closure Depiction, Kealakekua Bay
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Figure 3. Time-Area Closure Depiction, Honaunau Bay
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Figure 4. Time-Area Closure Depiction, Kauhako Bay
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Mandatory Time-Area Closures and
Swim-With and Approach Regulations
Although not currently proposed, if
we were to implement mandatory timearea closures in addition to
promulgating swim-with and approach
regulations (described under Alternative
4 in the DEIS), we would create the
time-area closures (depicted in Figures
1–5 above) and promulgate regulations
that prohibit use of waters within the
five delineated areas from 6 a.m. to 3
p.m.. All Exceptions (see section above)
described for the proposed swim-with
and approach regulations would apply
to this alternative, and the following
three additional exceptions would also
apply to the mandatory time-area
closures:
(1) Vessels that transit the time-area
closure for the sole purpose of ingress
and egress to privately-owned shoreline
residential property located
immediately adjacent to the time-area
closure;
(2) Vessels participating in organized
community-based outrigger canoe races
that transit straight through a time-area
closure; and
(3) Vessels that transit straight
through the time-area closure for the
purpose of traditional subsistence
fishing where harvested resources are
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intended for personal, family, or
community consumption or traditional
use and not for commercial market sale.
Entering mandatory time-area
closures during closed periods would
result in a violation unless an exception
to the rule applies.
Mandatory time-area closures would
prevent take within these important
areas and ensure that spinner dolphins
are provided space to achieve deep rest
during the day. Additionally,
regulations to impose these closures
would provide a strong tool for
enforcement that is measurable and easy
to understand, promoting both
enforcement and compliance. Under
this management option, swim-with and
approach regulations would reduce
disturbance to Hawaiian spinner
dolphins from close approach activities
throughout nearshore areas, and
mandatory time-area closures would
provide additional protection by
reducing the intensity of viewing
pressure in five essential daytime
habitats.
Voluntary Time-Area Closures and
Swim-With and Approach Regulations
Although not currently proposed, if
we were to implement voluntary timearea closures in addition to
promulgating swim-with and approach
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regulations (Alternative 5 in the DEIS),
we would demarcate the same five areas
for voluntary time-area closures as are
described for the mandatory closures
(see Mandatory Time-Area Closures
with Swim-with and Approach
Regulation above). Through outreach,
we would ask the public to refrain from
using waters within the five delineated
areas from 6 a.m. to 3 p.m. Participation
in the time-area closures would be
voluntary, and no penalties would
apply to people or vessels that enter the
areas during designated spinner dolphin
resting times. The voluntary time-area
closures would not apply to any activity
that falls within the Exceptions (see
above) described for the swim-with and
approach regulations, or the three
additional exceptions described for the
mandatory time-area closures option
(see three exceptions in the Mandatory
Time-Area Closures and Swim-with and
Approach Regulations section above).
Under this alternative, compliance with
the time-area closure would be
voluntary.
Success with voluntary measures
requires strong community engagement
and support. Ideally, conservation
benefits for Hawaiian spinner dolphins
would be the same for mandatory and
voluntary closures because both
management measures demarcate space
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for Hawaiian spinner dolphins to engage
in resting behaviors. However, we
expect that compliance with voluntary
measures would be generally lower than
compliance with regulations that are
enforced (May 2005), and within the
five bays, resource users are diverse and
have varying motivations and beliefs
with regard to Hawaiian spinner
dolphin conservation. The lack of a
common understanding about the value
of these conservation measures may
make it difficult to achieve voluntary
compliance for the closures. Further,
inconsistent compliance with voluntary
measures could lead to increased
tension between resource user groups
that have conflicting views about
Hawaiian spinner dolphin conservation.
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Additional Measures Eliminated From
Consideration
NMFS did not propose some of the
regulatory options suggested in the
ANPR and in public comments for
several reasons, including the measures’
inability to meet the purpose and need
for this rulemaking (see the DEIS for
more detail), difficulties in enforcing
them, changes to infrastructure needed
to implement them, lack of effectiveness
of the measures, lack of resources
available to institute them, and the
complexity associated with complying
with the measures. For example, a
permit certification program for all
marine operators that engage in some
form of dolphin viewing would be
inappropriate for addressing chronic
and concentrated viewing practices,
would require a large processing
infrastructure to implement throughout
the Hawaiian Islands, and would not
address disturbance caused by vessels
that are not conducting dolphin tours
(e.g., recreational vessels or kayaks).
Another suggestion, implementing full
closures of all identified resting habitats
throughout the Hawaiian Islands, would
create many restrictions on activities
that are not dolphin-directed, obstruct
some harbors, be costly, and require a
larger infrastructure to institute and
enforce. We discuss these and other
regulatory options suggested in public
comments in the DEIS for this action.
Public Comments
We are soliciting comments on any
aspect of these proposed swim-with and
50-yard (45.7 m) approach regulations.
As explained above, NMFS does not
propose to implement mandatory or
voluntary time-area closures as part of
this rulemaking. At this time, NMFS
believes that the proposed swim-with
and approach regulations will provide
adequate protection to spinner dolphins
against take, including harassment and
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disturbances. Should NMFS determine
that swim-with and approach
regulations provide insufficient
protection for Hawaiian spinner
dolphins using essential daytime
habitats, we would consider additional
conservation and management
measures, including time-area closures
to reduce take in high intensity areas, in
a separate rulemaking.
We are particularly interested in
comments concerning the following: (1)
Effects of the increasing number of
human interactions with Hawaiian
spinner dolphins; (2) proposed
prohibited and exempted activities; (3)
whether 50 yards is the most
appropriate distance for swim-with and
approach restrictions to reduce take of
spinner dolphins; (4) whether 100 yards
(91.4 m) or another distance is the most
appropriate distance for swim-with and
approach restrictions to reduce take of
spinner dolphins; (5) research
recommendations and priorities for
better understanding how human
disturbance affects Hawaiian spinner
dolphins; (6) information on responsible
viewing of marine mammals; (7)
additional information on spinner
dolphin behaviors; (8) other human
activities affected by the proposed rule
that were not discussed; (9) the
temporal and geographic scope (i.e., 2
nm from shore) of the approach
regulation; (10) whether the area where
the approach regulation is proposed in
the Lanai- Maui-Kahoolawe triangle is
adequate and appropriate; (11) whether
time-area closures are necessary to
address the intensity of Hawaiian
spinner dolphin-directed activities in
some areas; (12) the effectiveness of
mandatory versus voluntary closures;
(13) the bays and times of day identified
for time-area closures; (14) information
about other areas where Hawaiian
spinner dolphins may face pressures
from human viewing and interaction;
and (5) suggestions on other areas that
should be considered for time-area
closures.
Please be aware that all comments
received are a part of the public record
and will generally be posted for public
viewing on www.regulations.gov
without change. All personal identifying
information (e.g., name, address, etc.)
submitted voluntarily by the sender will
be publicly accessible. Do not submit
confidential business information, or
otherwise sensitive or protected
information. NMFS will accept
anonymous comments (enter ‘‘N/A’’ in
the required fields if you wish to remain
anonymous).
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References Cited
A complete list of all references cited
in this proposed rule can be found on
our Web site at: https://
www.fpir.noaa.gov/PRD/prd_spinner_
EIS.html, or at www.regulations.gov, and
is available upon request from the
NMFS office in Honolulu, Hawaii (see
ADDRESSES).
Classification
National Environmental Policy Act
(NEPA) and Regulatory Impact Review
(RIR)
NMFS has prepared a DEIS and an
RIR pursuant to NEPA (42 U.S.C. 4321
et seq.) and Executive Order (E.O.)
12866, to support this proposed rule.
The DEIS/RIR contains a full analysis of
a No Action Alternative, five action
alternatives, and the Preferred
Alternative that we are proposing. There
are a number of elements that were
common to all of the action alternatives
analyzed, including the preferred
alternative proposed in this notice, and
a number of exceptions that would
apply to these alternatives. The DEIS/
RIR and supporting documents are
available for review and comment and
can be found on the NMFS Pacific
Islands Region Web site at https://
www.fpir.noaa.gov/PRD/prd_spinner_
EIS.html.
Regulatory Flexibility Act
Under the Regulatory Flexibility Act
(RFA) (5 U.S.C. 601 et seq.) as amended
by the Small Business Regulatory
Enforcement Fairness Act (SBREFA) of
1996, whenever an agency publishes a
notice of rulemaking for any proposed
or final rule, it must prepare and make
available for public comment a
Regulatory Flexibility Analysis
describing the effects of the rule on
small entities, i.e., small businesses,
small organizations, and small
government jurisdictions.
Pursuant to the RFA, NMFS prepared
the following Initial Regulatory
Flexibility Analysis (IRFA). A
description of the action, why it is being
considered, and the legal basis for this
action are contained in the preamble to
this proposed rule. This proposed rule
does not duplicate, overlap, or conflict
with other Federal rules. The analysis
contains a description of and, where
feasible, an estimate of the number of,
small entities to which the proposed
rule will apply. The Small Business
Administration (SBA) establishes
criteria for defining a ‘‘small entity’’ for
purposes of the RFA. This IRFA
analyzes the proposed alternatives and
other alternatives described in the
preamble to the rule, and does not
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address alternatives previously
considered and subsequently dismissed
in the DEIS. There are no recordkeeping or reporting requirements
associated with this proposed rule.
Description and Estimate of the Number
of Small Entities to Which the Proposed
Rule Applies
There are several types of industries
directly affected by this proposed
rulemaking: Swim-with-wild-dolphins
tour operators; dolphin watch tour
operators; non-motorized vessel ocean
wildlife viewing tour operators; and
generalized commercial boat tour
operators. This analysis uses size
standards prescribed by the SBA.
Specifically, for scenic and sightseeing
water transportation operators (North
American Industry Classification
System Code 487210), the SBA size
standard for a small business is average
annual receipts of $7.5 million or less.
Much of the background information for
potentially affected entities is based on
a 2007 report that summarized surveys
and other information collected in 2006
with regard to participants within these
industries that potentially interact with
Hawaiian spinner dolphins to varying
degrees in the MHI (Impact Assessment
2007). The report provides information
that suggests that all businesses
operating in the swim-with-wilddolphins tour and the kayak tour
industries operating in 2006 could be
considered small entities, and all but
one of the generalized commercial boat
tour operators were assumed to be small
entities (Impact Assessment 2007). This
is the most recent information available
to NMFS regarding revenue information,
but NMFS notes that the composition of
these vessel-based tour industries,
including the number which can be
considered small entities and the total
number, may have changed since the
report was written.
Swim-with-wild-dolphins tour
operators are those that bring clientele
into close proximity with spinner
dolphins. This includes health and/or
spiritual retreat operations as well as
dolphin-oriented swim tours. Health
and spiritually-linked businesses
provide opportunities for persons
wishing to interact with spinner
dolphins for perceived physical, mental,
and/or spiritual well-being
enhancement. Spiritually-linked tour
operations may charter vessels through
other established dolphin-swim
companies to transport customers as
part of an overall per-person package
consisting of lodging, swimming with
dolphins, and other activities. For
spiritual retreats that offer dolphin
swims, the number of businesses is
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estimated to be as follows: Hawaii (22),
Maui (7), Oahu (1), and Kauai (2+).
Dolphin-oriented swim tours operate
by transporting passengers by boat or
having them swim from shore to areas
in which dolphins are known to be
present during daytime hours.
Customers may also be provided with
facemasks, fins, floatation devices, and
snorkels to enhance viewing. Recent
information compiled by NMFS
suggests that the number of swim-withdolphins tour companies is as follows:
Hawaii (22), Maui (2), Oahu (10), and
Kauai (1). All are believed to be small
entities.
Dolphin-watch tour operators involve
taking clients out specifically to view
wild dolphins. These companies tend to
operate smaller boats than the more
generalized commercial boat tours
described below, and are more likely to
view dolphins at a closer range.
Revenue information for this specific
business category is not available.
NMFS estimates the number of dolphin
watch tour businesses to be as follows:
Hawaii (3), Maui (21), Oahu (3), and
Kauai (11).
More generalized commercial boat
tours offer a range of ocean activities,
which may include sightseeing,
snorkeling, diving, viewing various
forms of sea life from a vantage point in
and/or above the water, or just generally
spending time on the ocean. The
majority of the general tour boats derive
revenue from whale watching and
sightseeing operations, while a number
of the dive/snorkel vessels offer
snorkeling or diving trips. Based on
recent information collected by NMFS,
the estimated number of generalized
commercial boat tour businesses
reportedly involving indirect dolphin
interaction is estimated as follows:
Hawaii (10), Maui (19), Oahu (36), and
Kauai (12). NMFS believes that most,
but not all, would be considered small
entities.
Non-motorized vessel ocean wildlife
viewing tour operators, specifically
kayak tour businesses around the MHI,
provide a general wildlife viewing
experience, with a very small number of
operators advertising direct or
intentional interactions with dolphins.
The number of kayak tour operators
who advertise the opportunity to
directly interact with wild dolphins is
not available. NMFS estimates the
numbers of companies that either
operate kayak tours or rent out kayaks
to be as follows: Hawaii (6), Maui (9),
Oahu (6), and Kauai (13).
The estimated numbers of small
entities directly affected by the
proposed rulemaking, by industry, on
the MHI are as follows: 67 swim-with-
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wild-dolphins tour operators (including
health and/or spiritual retreats enabling
opportunities to swim with wild
dolphins), 77 generalized commercial
boat tour operators (one or more of
which are likely to be considered large
entities), and 34 kayak tour and rental
companies.
Economic Impacts to Small Entities
Resulting From the Proposed Action
(Swim-With and 50-Yard Approach
Regulations)
The preferred alternative would
restrict all activities associated with
close approach to Hawaiian spinner
dolphins, including swimming with
dolphins and close approach by vessel.
These prohibitions would be applicable
within 2 nm (3.7 km) of each of the MHI
and in designated waters between the
islands of Lanai, Maui, and Kahoolawe.
The proposed action to ban swimming
and approaching within 50 yards (45.7
m) of Hawaiian spinner dolphins, has
the potential to eliminate all
commercial activities that result in take
of spinner dolphins (e.g., swim-withwild-dolphins) at a close distance.
Therefore, implementing this proposed
action would require operators that
currently offer the opportunity to swim
with spinner dolphins to cease this
specific activity, although they may
choose to continue to provide other
services among their menu of options.
For example, a spiritual retreat that
offers a menu of other activities along
with swim-with-wild-dolphins activities
may continue to offer the other
activities. In addition, swim-with-wilddolphins tour operators may choose to
transition to operate as a dolphinwatching or generalized tour vessel
operation. For these businesses,
eliminating opportunities to swim with
wild spinner dolphins within 50 yards
is likely to result in a reduction in
revenue in the short term and
potentially in the long term. The
decrease in revenue could come from
the reduction in the number of
customers, specifically those who seek
the experience of swimming with
spinner dolphins, and/or reduced trip or
package prices with a reduced menu of
options available for each trip. The loss
in overall revenue to individual
businesses and the industry as a whole
that rely on close approach with spinner
dolphins by any means for revenue is
uncertain. The same is true with regard
to the number of businesses that would
be still be able to remain in operation
if the proposed regulation is
implemented.
Commercial wildlife boat tour
operators, including generalized
commercial boat tour operators, dolphin
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watch tour operators, and nonmotorized vessel tour operators, would
no longer be able to take customers to
view Hawaiian spinner dolphins from
closer than 50 yards. Restricting
operators from approaching within 50
yards of spinner dolphins may reduce
demand for vessel-based tours among
customers who specifically hope to
view dolphins from a vessel at a closer
range, although there will be no options
other than not taking a tour at all, as no
boats in Hawaii would be able to offer
tours closer than 50 yards. Some tour
operators may be able to offer
alternative recreational opportunities or
amenities as part of a tour to help offset
any loss in demand for tours. For
generalized tour boat operators with a
clientele base that does not have a
specific goal of viewing spinner
dolphins, the direct economic impact of
the proposed action is likely to be
minimal.
NMFS concludes that there would be
disproportionate impacts to the swimwith-wild-dolphin tour operators from
implementation of this preferred
alternative relative to all other general
wildlife viewing tour operators.
Similarly, because of the focus of
activities, it is also likely that the
dolphin watch tour industry will face
greater impacts than the generalized
wildlife tour companies. As a result,
dolphin-watch tour entities may face
disproportionate impacts relative to the
generalized commercial boat tour
companies, which are likely to incur
few direct economic impacts from the
proposed action. We note that dolphin
watch tour entities are all believed to be
small entities, and most of the
generalized commercial boat tour
companies are as well, although a few
might be considered large entities with
revenues exceeding $7.5 million.
NMFS considered other alternatives
in addition to the swim-with and 50yard approach regulations in this
proposed rule (i.e., Alternative 3a).
These include 1) no action; 2) swimwith regulations; 3b) swim-with and
100-yard (91.4 m) approach regulations;
4) mandatory time-area closures and
swim-with and approach regulations;
and 5) voluntary time-area closures and
swim-with and approach regulations. As
is the case for this proposed action,
Alternatives 2, 3b, 4, and 5 would all be
applicable within 2 nm of each MHI and
in designated waters between the
islands of Lanai, Maui, and Kahoolawe.
Among the non-selected action
alternatives, only Alternative 2 (no
swimming with Hawaiian spinner
dolphins) would result in a lower direct
economic impact to small entities.
While the restriction on swimming with
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dolphins would address one threat to
Hawaiian spinner dolphin population,
this alternative would not address the
remaining documented threats to
dolphin populations caused by close
approach by vessels and other craft.
Section 4.2.2 of the DEIS provides more
detail. The remaining non-selected
action alternatives would most likely
result in a higher economic impact to
individual small entities and the
dolphin-viewing industry as a whole,
relative to the preferred alternative of
this proposed action. NMFS has
determined that the proposed action
meets the goals and objective of
reducing human-caused disturbances
that Hawaiian spinner dolphins are
facing in their natural habitat, and helps
protect against declines in the fitness of
the population over time.
No additional reporting, record
keeping, and other compliance
requirements are anticipated for small
businesses. NMFS has identified no
Federal rules that may duplicate,
overlap, or conflict with the action
alternatives.
Executive Order 12866
This proposed rule was determined to
be not significant for purposes of E.O.
12866.
Paperwork Reduction Act
The purpose of the Paperwork
Reduction Act is to minimize the
paperwork burden for individuals, small
businesses, educational and nonprofit
institutions, and other persons resulting
from the collection of information by or
for the Federal government. The
preferred alternative includes no new
collection of information, so further
analysis is not required.
National Historic Preservation Act
(NHPA)
The goal of the National Historical
Preservation Act (NHPA; 16 U.S.C. 470
et seq.) is to have Federal agencies act
as responsible stewards of our nation’s
resources when their actions affect
historic properties. Section 106 of the
NHPA requires Federal agencies to take
into account the effects of undertakings
they carry out, assist, fund, or permit on
historic properties. Federal agencies
meet this requirement by completing the
section 106 process set forth in the
implementing regulations, ‘‘Protection
of Historic Properties,’’ 36 CFR part 800.
The goal of the section 106 process is to
identify and consider historic properties
(or sites eligible for listing) that might be
affected by an undertaking, and to
attempt to resolve any adverse effects
through consultation. The process
provides for participation by State
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Historic Preservation Officers, Tribal
Historic Preservation Officers, tribal,
state and local governments, Indian
tribes and Native Hawaiian
organizations, applicants for Federal
assistance, permits, or licenses,
representatives from interested
organizations, private citizens, and
other members of the public. Federal
agencies and consulting parties strive to
reach agreement on measures to avoid,
minimize, and mitigate adverse effects
on historic properties and to find a
balance between project goals and
preservation objectives.
Under the NHPA, an ‘‘effect’’ means
an alteration to the characteristics of a
historic property qualifying it for
inclusion or eligibility for the National
Register. The proposed swim-with and
approach regulations for Hawaiian
spinner dolphins, if finalized, would
not have the potential to cause effects
on or alterations to the characteristics of
historic properties. Therefore, section
106 consultation is not required.
Coastal Zone Management Act
Section 307(c)(1) of the Federal
Coastal Zone Management Act of 1972
requires that all Federal activities that
affect any land or water use or natural
resource of the coastal zone be
consistent with approved state coastal
zone management programs to the
maximum extent practicable. We have
determined that these proposed swimwith and approach regulations are
consistent to the maximum extent
practicable with the enforceable policies
of the approved Coastal Zone
Management Program of Hawaii. This
determination, a copy of this document,
and the DEIS will be submitted for
review by the Hawaii Coastal Zone
Management Program.
Executive Order 13132, Federalism
E.O. 13132 requires agencies to take
into account any federalism impacts of
regulations under development. It
includes specific consultation directives
for situations in which a regulation may
preempt state law or impose substantial
direct compliance costs on state and
local governments (unless required by
statute). NMFS has determined that the
proposed swim-with and approach
regulations do not have federalism
implications.
Information Quality Act (IQA)
Pursuant to Section 515 of Public Law
106–554 (the Information Quality Act),
this information product has undergone
a pre-dissemination review by NMFS.
The signed Pre-dissemination Review
and Documentation Form is on file with
the NMFS Pacific Islands Regional
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Office (see FOR FURTHER INFORMATION
CONTACT).
List of Subjects in 50 CFR Part 216
Administrative practice and
procedure, Marine mammals.
Dated: August 19, 2016.
Samuel D. Rauch III,
Deputy Assistant Administrator for
Regulatory Programs, National Marine
Fisheries Service.
For the reasons set out in the
preamble, 50 CFR part 216 is proposed
to be amended as follows:
PART 216—REGULATIONS
GOVERNING THE TAKING AND
IMPORTING OF MARINE MAMMALS
1. The authority citation for part 216
continues to read as follows:
■
Authority: 16 U.S.C. 1361 et seq.
2. Add § 216.20 to subpart B to read
as follows:
■
§ 216.20 Special restrictions for Hawaiian
spinner dolphins.
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(a) Applicability. The following
special restrictions designed to protect
Hawaiian Spinner Dolphins apply:
(1) In all waters within 2 nautical
miles of the main Hawaiian Islands, and
(2) In all waters located between the
islands of Lanai, Maui, and Kahoolawe
enclosed by three line segments that
connect points on the 2-nautical mile
boundary between the islands as
follows: the straight line between
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20°32′51″ N./156°43′50″ W. and
20°42′4″ N./156°55′34″ W. between
Kahoolawe and Lanai, the straight line
between 20°51′1″ N./156°54′0″ W. and
20°59′48″ N./156°42′28″ W. between
Lanai and Maui, and the straight line
between 20°33′55″ N./156°26′43″ W.
and 20°32′15″ N./156°29′51″ W.
between Maui and Kahoolawe (all
coordinates referenced to The World
Geodetic System of 1984 (WGS 84)).
(b) Prohibitions. Except as noted in
paragraph (c) of this section, it is
unlawful for any person subject to the
jurisdiction of the United States to
commit, to attempt to commit, to solicit
another to commit, or to cause to be
committed any of the following:
(1) Approach or remain within 50
yards of a Hawaiian spinner dolphin by
any means;
(2) Swim within 50 yards of a
Hawaiian spinner dolphin;
(3) Cause a vessel, person, or other
object to approach or remain within 50
yards of a Hawaiian spinner dolphin; or
(4) Intercept or place a vessel, person,
or other object on the path of a
Hawaiian spinner dolphin so that the
dolphin approaches within 50 yards of
the vessel, person, or object.
(c) Exceptions. The prohibitions of
paragraph (b) of this section do not
apply to:
(1) Any person who inadvertently
comes within 50 yards of a Hawaiian
spinner dolphin or is approached by a
spinner dolphin, provided the person
makes no effort to engage or pursue the
PO 00000
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animal and takes immediate steps to
move away from the animal;
(2) Any vessel that is underway and
is approached by a Hawaiian spinner
dolphin, provided the vessel continues
normal navigation and makes no effort
to engage or pursue the animal;
(3) Any vessel transiting to or from a
port, harbor, or in a restricted channel
when a 50-yard distance will not allow
the vessel to maintain safe navigation;
(4) Vessel operations necessary to
avoid an imminent and serious threat to
a person or vessel;
(5) Activities authorized through a
permit or authorization issued by the
National Marine Fisheries Service to
take Hawaiian spinner dolphins; and
(6) Federal, State, or local government
vessels, aircraft, personnel, and assets
when necessary in the course of
performing official duties.
(d) Affirmative defense. In connection
with any action alleging a violation of
this section, any person claiming the
benefit of any exemption, exception, or
permit listed in paragraph (c) of this
section has the burden of proving that
the exemption or exception is
applicable, or that the permit was
granted and was valid and in force at
the time of the alleged violation.
(e) Maps of areas for Hawaiian
spinner dolphin special restrictions. The
following are overview maps and a table
with corresponding coordinate data for
the areas for Hawaiian spinner dolphin
special restrictions.
E:\FR\FM\24AUP1.SGM
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Federal Register / Vol. 81, No. 164 / Wednesday, August 24, 2016 / Proposed Rules
Figure 1. Overview of Area of Proposed Spinner Dolphin Protections
A
N
Area of Proposed Spinner Dolphin Protections
ell
Kaula
Molokai
Kahoolawe
25
50 Nautical Miles
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57876
Federal Register / Vol. 81, No. 164 / Wednesday, August 24, 2016 / Proposed Rules
TABLE 1—COORDINATES FOR THE EXTENT OF THE DESIGNATED WATERS BETWEEN LANAI, MAUI, AND KAHOOLAWE (SEE
FIGURE 2)
[All coordinates referenced to The World Geodetic System of 1984 (WGS 84)]
Line segment between islands
Figure 2 label
Kahoolawe and Lanai ................................................................................................
Lanai and Maui ..........................................................................................................
Maui and Kahoolawe .................................................................................................
A1
A2
B1
B2
C1
C2
Latitude
......................................
......................................
......................................
......................................
......................................
......................................
Longitude
20°32′51″ N.
20°42′4″ N.
20°51′1″ N.
20°59′48″ N.
20°33′55″ N.
20°32′15″ N.
156°43′50″ W.
156°55′34″ W.
156°54′0″ W.
156°42′28″ W.
156°26′43″ W.
156°29′51″ W.
[FR Doc. 2016–20324 Filed 8–23–16; 8:45 am]
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BILLING CODE 3510–22–C
Agencies
[Federal Register Volume 81, Number 164 (Wednesday, August 24, 2016)]
[Proposed Rules]
[Pages 57854-57876]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2016-20324]
=======================================================================
-----------------------------------------------------------------------
DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
50 CFR Part 216
[Docket No. 080302361-6677-01]
RIN 0648-AU02
Protective Regulations for Hawaiian Spinner Dolphins Under the
Marine Mammal Protection Act
AGENCY: National Marine Fisheries Service (NMFS), National Oceanic and
Atmospheric Administration (NOAA), Department of Commerce.
ACTION: Proposed rule; request for comments.
-----------------------------------------------------------------------
SUMMARY: We, the National Marine Fisheries Service (NMFS), propose
regulations under the Marine Mammal Protection Act (MMPA) to prohibit
swimming with and approaching a Hawaiian spinner dolphin within 50
yards (45.7 m) (for persons, vessels, and objects), including approach
by interception. These proposed regulatory measures are intended to
prevent take of Hawaiian spinner dolphins from occurring in marine
areas where viewing pressures are most prevalent; prohibitions would
apply in waters within 2 nautical miles (nm; 3.7 km) of the Hawaiian
Islands and in the waters between the islands of Lanai, Maui, and
Kahoolawe. This proposed rule to establish 50-yard swim-with and
approach regulations would help ensure public compliance by providing
clear notice of prohibited conduct that results in take, including
harassment and disturbance.
Although unauthorized take of marine mammals, including harassment
of spinner dolphins, already is and continues to be prohibited under
the MMPA throughout their range, the purpose of this regulation is to
identify and prohibit specific human activities that result in take
(including harassment) of spinner dolphins, and thus reduce disturbance
and disruption of important Hawaiian spinner dolphin behaviors in areas
where human-dolphin interactions are most likely to occur. These
proposed regulations would reduce take of Hawaiian spinner dolphins and
the impact of human viewing and interaction on these animals in the
Main Hawaiian Islands (MHI). We developed this proposed rule after
considering comments submitted in response to an Advance Notice of
Proposed Rulemaking (ANPR), as well as information received during the
public scoping period for the Draft Environmental Impact Statement
(DEIS), from community meetings, and from a dedicated scientific
research project.
Although not currently part of this proposal, we are also
considering whether additional management measures may be necessary and
appropriate to protect Hawaiian spinner dolphins from take, especially
in essential daytime habitats that are regularly targeted by humans for
dolphin-directed activities. Accordingly, we are soliciting public
comment on the proposed swim-with and approach regulations, as well as
alternative management options discussed in this rule and in detail in
the DEIS.
DATES: Comments must be received no later than 5 p.m. on October 23,
2016.
Public meetings will provide the public with an opportunity to
provide comments on any portion of the proposed rule or DEIS. These
meetings are scheduled for:
September 7, 2016, 5:30-9:30 p.m. at Konawaena High School
Cafeteria, 81-1043 Konawaena School Rd., Kealakekua, HI 96750;
September 8, 2016, 5:30-9:30 p.m. at Kealakehe High School
Cafeteria, 74-5000 Puohulihuli St., Kailua Kona, HI 96740;
September 21, 2016, 5:30-9:00 p.m. at Kauai High School Cafeteria,
3577 Lala Rd., Lihue, HI 96766;
September 22, 2016, 5:30-9:00 p.m. at the Hawaiian Islands Humpback
Whale National Marine Sanctuary Visitor Center, 726 South Kihei Rd.,
Kihei, HI 96753;
September 27, 2016, 5:30-9:30 p.m. at Roosevelt High School Dining
Hall, 1120 Nehoa Street, Honolulu, HI 96822; and
September 28, 2016, 5:30-9:30 p.m. at Waianae High School
Cafeteria, 85-251 Farrington Hwy., Waianae, HI 96792.
ADDRESSES: You may submit comments, information, or data on this
document, identified by NOAA-2005-0226, and on the DEIS by either of
the following methods:
Electronic Submission: Submit all electronic comments via the
Federal
[[Page 57855]]
eRulemaking Portal. Go to www.regulations.gov/#!docketDetail;D=NOAA-
2005-0226, click the ``Comment Now!'' icon, complete the required
fields, and enter or attach your comments.
Mail: Submit written comments to Susan Pultz, Chief, Conservation
Planning and Rulemaking Branch, Protected Resources Division, National
Marine Fisheries Service, Pacific Islands Regional Office, 1845 Wasp
Blvd., Bldg. 176, Honolulu, HI 96818, Attn: Hawaiian Spinner Dolphin
Proposed Rule.
Instructions: Comments sent by any other method, to any other
address or individual, or received after the end of the comment period,
may not be considered by NMFS. All comments received are a part of the
public record and will generally be posted for public viewing on
www.regulations.gov without change. All personal identifying
information (e.g., name, address, etc.), confidential business
information, or otherwise sensitive information submitted voluntarily
by the sender will be publicly accessible. We will accept anonymous
comments (enter ``N/A'' in the required fields if you wish to remain
anonymous).
The Draft Environmental Impact Statement (DEIS) and references can
be found online at https://www.fpir.noaa.gov/PRD/prd_spinner_EIS.html.
Additionally, copies of the DEIS are available in print at the
following libraries:
Hilo Library, 300 Waianuenue Ave., Hilo, HI 96720;
Kailua-Kona Library, 75-138 Hualalai Rd., Kailua Kona, HI 96740;
Kealakekua Library, 81-6619 Mamalahoa Hwy., Kealakekua, HI 96750;
Pahoa Library, 15-3070 Pahoa-Kalapana Rd., Pahoa, HI 96778;
Kihei Library, 35 Waimahaihai St., Kihei, HI 96753;
Lahaina Library, 680 Wharf St., Lahaina, HI 96761;
Lanai Library, 555 Fraser Ave., Lanai City, HI 96763;
Hawaii State Library, 478 S. King St., Honolulu, HI 96813;
Molokai Public Library, 15 Ala Malama, Kaunakakai, HI 96748;
Waianae Library, 85-625 Farrington Hwy., Waianae, HI 96792; and
Lihue Library, 4344 Hardy St., Lihue, HI 96766; or upon request
from the Conservation Planning and Rulemaking Branch Chief (see
ADDRESSES).
FOR FURTHER INFORMATION CONTACT: Susan Pultz, NMFS, Pacific Islands
Region, Chief, Conservation Planning and Rulemaking Branch, 808-725-
5150; or Trevor Spradlin, NMFS, Office of Protected Resources, Acting
Chief, Marine Mammal and Sea Turtle Conservation Division, 301-427-
8402.
SUPPLEMENTARY INFORMATION
Background
Viewing wild marine mammals in Hawaii has been a popular
recreational activity for both tourists and residents over the past
several decades. Historically, most marine mammal viewing focused on
humpback whales (Megaptera novaeangliae) during the winter months when
the whales migrate from their feeding grounds off the coast of Alaska
to Hawaii's warm and protected waters to breed and calve. However,
increased viewing has focused on small cetaceans, with a particular
emphasis on Hawaiian spinner dolphins (Stenella longirostris), which
can be predictably found close to shore in shallow waters throughout
the MHI.
The number of commercial operators engaged in wild dolphin viewing
has grown dramatically in Hawaii in recent years (O'Connor 2009),
putting new pressures on easily accessible groups of resting Hawaiian
spinner dolphins. In addition, a number of residents and visitors
venture on their own, independent of commercial operators, to view and
interact with spinner dolphins. The expectation for close interactions
with wild dolphins has been encouraged by some operators and various
media outlets, which routinely contradict established wildlife viewing
guidelines by promoting close vessel or in-water encounters with the
dolphins.
We have received many complaints that spinner dolphins are being
routinely disturbed by people attempting to closely approach and
interact with the dolphins by boat or other watercraft (e.g., kayaks),
or in the water (e.g., snorkel or ``swim-with-wild-dolphins''
activities). In addition, concerns over human-dolphin interactions have
been expressed by officials from the Hawaii Department of Land and
Natural Resources (DLNR) and the U.S. Marine Mammal Commission (MMC),
as well as various members of the public, including representatives of
the Native Hawaiian community, scientific researchers, wildlife
conservation organizations, public display organizations, and some
commercial tour operators.
In 2010, we recognized five island-associated stocks and one
pelagic stock of Hawaiian spinner dolphins in our annual Stock
Assessment Report, identifying genetic distinctions and site fidelity
differences as reasons to separately manage stocks found in waters
surrounding the Hawaiian Islands (Carretta et al. 2010). Three of the
five island-associated stocks (the Kauai/Niihau stock, Oahu/4 Islands
(i.e., Maui County) stock, and Hawaii Island stock) are found near the
MHI and are considered resident stocks. These three stocks reside in
waters surrounding their namesake islands out to approximately 10 nm
(18.5 km) (Hill et al. 2010), and population estimates for each stock
are relatively small. Recent research indicates that the Hawaii Island
stock, which is thought to be the largest stock, has an estimated 631
individuals (Coefficient of Variation (CV) = 0.09) (Tyne et al. 2014,
Carretta et al. 2016). Data for other stocks in the MHI is limited;
however, using the best available information, the Kauai/Niihau and
Oahu/4 Islands stocks are estimated to be around 601 (CV = 0.20) and
355 (CV = 0.09) individuals, respectively (Carretta et al. 2016).
Island-associated spinner dolphins, such as those found in the MHI,
have complex social structures and behavioral patterns linked to
specific habitats that support their high energetic demands. The rigid,
cyclical, and patterned behavior of a Hawaiian spinner dolphin's day is
well documented from decades of scientific research on spinner dolphins
off the Kona coast on the island of Hawaii (Norris and Dohl 1980,
Norris et al. 1994). The daily pattern of Hawaiian spinner dolphins has
been characterized as ``working the night shift,'' because the
energetically demanding task of foraging is accomplished nightly when
spinner dolphins move offshore in large groups to feed. Spinner
dolphins feed on fish, shrimp, and squid found in the mesopelagic
boundary community, part of the pelagic zone that extends from a depth
of 200 to 1,000 m (~660 to 3,300 feet) below the ocean surface. Spinner
dolphins maximize their foraging time by actively moving with, or
tracking, the horizontal migration of the mesopelagic boundary
community throughout the night, as it moves inshore until midnight and
then offshore around sunrise (Benoit-Bird and Au 2003). Spinner
dolphins are acoustically very active during foraging activities
(Norris et al. 1994), working cooperatively in large groups using
coordinated movements to maximize foraging potential (Benoit-Bird
2004).
During the day, spinner dolphins return in smaller groups to areas
closer to shore to socialize, nurture their young, and rest in
preparation for nightly foraging (Norris et al. 1994). These smaller
groups visit specific habitats that are located along the coastlines of
the MHI. These preferred daytime habitats of spinner dolphins are
[[Page 57856]]
areas that provide space with optimal environmental conditions for
resting, socializing, and nurturing young, and are referred to
hereafter as ``essential daytime habitats.'' Spinner dolphins'
essential daytime habitats are located close to offshore feeding areas,
which minimizes the energetic cost of nightly travel to these areas
(Norris et al. 1994, Thorne et al. 2012). Additionally, essential
daytime habitats have large patches of sand bottom habitat, which
increases the dolphins' ability to visually (instead of acoustically)
detect predators while resting, and thus minimizes the energetic costs
of vigilance (Norris et al. 1994). Throughout the day, spinner dolphins
take advantage of the physical characteristics of essential daytime
habitats to engage in specific patterned resting behaviors to
recuperate between foraging bouts. The physical characteristics of
these essential daytime habitats, combined with specific patterned
resting behaviors, play an important role in supporting the dolphins'
activity and energetic budgets.
Essential daytime habitats have been targeted by commercial
operators and individuals interested in viewing or interacting with
Hawaiian spinner dolphins because encounters with dolphins in these
areas are virtually guaranteed. At some locations, up to 13 tour boats
have been observed jockeying for position on a single dolphin group,
with up to 60 snorkelers in the water (Heenehan et al. 2014). Apart
from commercial tour operations, people also swim, kayak, or paddle
into essential daytime habitats to seek interactions with the dolphins
(Sepez 2006). In addition, organized retreats centered on dolphin
encounters, dolphin-assisted therapy, and dolphin-associated spiritual
practices have flourished in certain areas, further increasing the
intensity of dolphin-directed activities in nearshore areas and
especially within essential daytime habitats (Sepez 2006).
There is a growing body of scientific evidence documenting the
effects of dolphin-directed activities on spinner dolphins, especially
activities that involve close approaches by humans. Peer-reviewed
scientific literature documents disturbance of individual spinner
dolphins as well as changes to spinner dolphin group behavioral
patterns. Individual dolphin responses to these activities vary, and in
some cases may not be apparent to an observer (e.g., elevated heart
rates or increased watchfulness). However, discernable responses may
include aerial displays when closely approached by vessels and swimmers
(Forest 2001, Courbis and Timmel 2008); avoidance behaviors, including
moving around and away from swimmers and vessels, or leaving the area
in response to human pursuit (Ostman-Lind et al. 2004, Courbis 2004,
Courbis and Timmel 2008); and aggressive behaviors directed at people,
including charging or threat displays (Norris et al. 1985, Norris et
al. 1994).
Effects have been documented in the form of changes over time to
spinner dolphins' behavioral patterns in essential daytime habitats,
where spinner dolphins' behavioral patterns are easily observed.
Courbis and Timmel (2008) reported differences in peak aerial activity
throughout the day in comparison with earlier studies (Forrest 2001)
and noted that dolphins may have reduced aerial behavior when entering
and exiting bays to avoid human notice and approaches. Timmel et al.
(2008) noted the dolphins' direction of travel altered more frequently
as the number of swimmers and/or vessels near to them increased. Symons
(2013) found that spinner dolphins are less likely to rest when
swimmers are present within 150 m. Numerous studies report changes in
dolphin residence time within essential daytime habitats compared to
earlier studies (Courbis 2004, Courbis and Timmel 2008, Ostman-Lind
2007, Forest 2001). In addition, human activities within essential
daytime habitats may be affecting where spinner dolphins engage in
their daytime behaviors within these areas. Courbis and Timmel (2008)
reported changes in the location of resting spots within Kealakekua Bay
from previous studies by Doty (1968) and Norris and Dohl (1980), and
warned that changes in locations within the bay could be a precursor to
abandonment of the bay with future increases in traffic.
Hawaiian spinner dolphin studies off the island of Oahu also
demonstrate the effects of swimmers on dolphins' daily resting
behavioral patterns. As the number of swimmers increased in an
essential daytime habitat off the west coast of Oahu, the dolphins
departed the area at earlier times during the day, possibly indicating
reduced rest periods in response to swimmer presence (Danil et al.
2005). Additionally, Danil et al. (2005) noted that on several
occasions, smaller spinner dolphin groups (<25 animals) refrained from
entering an essential daytime habitat when swimmer presence was high,
suggesting that the observed spinner dolphin rest patterns were altered
in order to accommodate and adapt to the swimmers' occurrence. The
authors predicted that swimmer presence keeps the dolphins in a
constant state of alertness and vigilance, and that delayed diving
behavior (in the morning during swimmers' presence) may indicate a
diminished quality of rest (Danil et al. 2005).
When marine mammals respond to disturbance events, they incur a
cost in the form of the energy expended to respond as well as the lost
opportunity to engage in natural fitness-enhancing behavior. For
example, spinner dolphins disturbed during rest may engage in avoidance
or distress behaviors, which require energy, and disturbance detracts
from the dolphins' abilities to recuperate from energetically demanding
behaviors such as foraging, transiting to and from offshore foraging
grounds, and nurturing their young. In this example, the lack of
consistent, undisturbed resting periods can reduce the amount of energy
available to forage and care for young.
The predictable patterns of MHI resident spinner dolphins'
nearshore distribution and daytime behaviors result in concentrated
daily viewing and interaction pressure on individual dolphins and
groups over extended periods of time. In other small cetacean
populations, chronic disturbance to natural behavioral patterns has
been linked to biologically significant impacts such as habitat
abandonment and reduced female reproductive success (Bejder 2005;
Bejder et al. 2006a, 2006b; Lusseau and Bejder 2007). Similarly, over
time, chronic disturbance to the MHI's resident spinner dolphins could
ultimately lead to habitat displacement and/or long term impacts to
their individual fitness. These types of impacts may be amplified in
resident, closed or isolated populations (local populations with
barriers to gene flow) (Bejder 2005) because the impacts to multiple
individuals' health and fitness are quickly reflected in the overall
fitness of the population. Accordingly, the small resident spinner
dolphin populations of the MHI may be more vulnerable to negative
impacts from human disturbance.
Disturbances to dolphins' daily behavioral patterns may result in
``take,'' as defined and prohibited under the MMPA and its implementing
regulations, and the chronic nature of these problems in Hawaii and
observed changes to spinner dolphin behavioral patterns over time are a
cause for concern.
Current MMPA Prohibitions and NMFS Guidelines and Regulations
Under section 102 of the MMPA, 16 U.S.C. 1361 et seq., it is
unlawful for any person, vessel, or other conveyance to ``take'' any
marine mammal in waters
[[Page 57857]]
under the jurisdiction of the United States (16 U.S.C. 1372). The
prohibition against take includes acts that ``harass'' marine mammals
(16 U.S.C. 1362(13)). Harassment means any act of pursuit, torment, or
annoyance which has the potential to injure a marine mammal in the wild
(Level A Harassment), or has the potential to disturb a marine mammal
in the wild by causing disruption of behavioral patterns, including,
but not limited to, migration, breathing, nursing, breeding, feeding,
or sheltering (Level B Harassment) (16 U.S.C. 1362(18); see also 50 CFR
216.3).
In addition, NMFS' regulations implementing the MMPA further define
the term ``take'' to include ``the negligent or intentional operation
of an aircraft or vessel, or the doing of any other negligent or
intentional act which results in disturbing or molesting a marine
mammal; and feeding or attempting to feed a marine mammal in the wild''
(50 CFR 216.3).
Section 112 of the MMPA authorizes NOAA to implement regulations
that are ``necessary and appropriate to carry out the purpose'' of the
MMPA (16 U.S.C. 1382).
To date, NMFS has developed specific approach distance regulations
for certain species of marine mammals listed under the Endangered
Species Act (ESA) (16 U.S.C. 1531 et seq.). Each rule was based on the
biology of the marine mammals and the best available scientific
information on the nature of the threats. Examples of these types of
regulations include a 100-yard (91.4 m) approach limit for humpback
whales in Hawaii (60 FR 3775; January 19, 1995); a 100-yard approach
limit for humpback whales in Alaska, which includes a speed restriction
in the vicinity of the whale (66 FR 29502; May 31, 2001); a 500-yard
(457.2 m) approach limit for North Atlantic right whales (62 FR 6729;
February 13, 1997); size-specific vessel speed restrictions within
specific areas in waters off the U.S. East Coast to protect North
Atlantic right whales (73 FR 60173; October 10, 2008); and a 200-yard
(182.9 m) approach limit for killer whales with prohibitions against
vessels intercepting a killer whale or positioning the vessel in its
path in the inland waters of Washington State (76 FR 20870; April 14,
2011).
In addition to the specific ESA regulations mentioned above, NMFS
has developed guidelines for conducting responsible marine wildlife
viewing to help the public avoid causing any take (harassment or
disturbance) of protected wildlife species (https://www.nmfs.noaa.gov/pr/pdfs/education/viewing_wildlife.pdf); these guidelines have been
available since 2004. On human interactions with marine mammals in the
wild, NMFS states the following: ``The MMPA does not provide for a
permit or other authorization to view or interact with wild marine
mammals, except for specific listed purposes such as scientific
research. Therefore, interacting with wild marine mammals should not be
attempted and viewing marine mammals must be conducted in a manner that
does not harass the animals. NMFS does not support, condone, approve,
or authorize activities that involve closely approaching, interacting,
or attempting to interact with whales, dolphins, porpoises, seals, or
sea lions in the wild. This includes attempting to swim with, pet,
touch, or elicit a reaction from the animals'' (https://www.nmfs.noaa.gov/pr/dontfeedorharass.htm).
In addition to the national guidelines, each of the five NMFS
Regions has developed recommended viewing guidelines relevant to
protected species within their region to assist the general public with
information on how to responsibly view and act around these animals in
the wild. The guidelines are aimed at assisting the public in meeting
their obligations under the MMPA and ESA. Although some guidelines
address activities that are prohibited under law, others address
activities that are not expressly prohibited.
The NMFS Pacific Islands Regional Office's viewing guidelines for
Hawaii recommend that people view wild dolphins from a safe distance of
at least 50 yards (45.7 m) and advise against trying to chase, closely
approach, surround, swim with, or touch the animals. To support the
guidelines in Hawaii, NMFS has partnered with the State of Hawaii and
the Hawaiian Islands Humpback Whale National Marine Sanctuary over the
past several years to promote safe and responsible wildlife viewing
practices through the development of outreach materials, training
workshops, signage, and public service announcements. NMFS' education
and outreach efforts have also been supported by a partnership with the
Watchable Wildlife program, a consortium of Federal and State wildlife
agencies and wildlife interest groups that encourages passive viewing
of wildlife from a distance for the safety and well-being of both
animals and people (Duda 1995, Oberbillig 2000, Clark 2006). In
addition to the guidance provided to the general public on protected
wildlife viewing, several tour industry-specific programs have been
initiated in various NMFS regions to further support protection of
marine mammals targeted for wildlife viewing. In Hawaii this includes
administration of the voluntary Dolphin SMART program for commercial
operators who pledge to comply with safe and responsible wildlife
viewing practices.
Dolphin SMART is a model wildlife viewing stewardship program
developed by NMFS and NOAA's Office of National Marine Sanctuaries in
partnership with Whale and Dolphin Conservation, the Dolphin Ecology
Project, local businesses, and members of the public, who have teamed
up to support responsible viewing of wild dolphins. The program was
launched in 2007 in Key West, Florida, was subsequently expanded to the
Central and Southwest Florida coast, and established in Hawaii in 2011.
The NMFS Pacific Islands Regional Office developed the Dolphin
SMART program in Hawaii to aid education and outreach efforts for
Hawaiian spinner dolphin conservation and management. Three businesses
on Oahu, one on Kauai, and two on Maui are currently recognized as
Dolphin SMART participants.
The Dolphin SMART program goals are to minimize the potential of
wild dolphin harassment caused by commercial viewing activities, reduce
expectations of close interaction with wild dolphins in a manner that
may cause harassment, address advertising that creates expectations of
engaging in activities that may cause harassment, and promote
responsible stewardship of dolphins in local coastal waterways. The
``SMART'' acronym stands for:
S--Stay back 50 yards from dolphins
M--Move cautiously away if dolphins show signs of disturbance
A--Always put your engine in neutral when dolphins are near
R--Refrain from feeding, touching, or swimming with wild dolphins
T--Teach others to be Dolphin SMART
More information on the Dolphin SMART program can be found at the
following Web sites: www.dolphinsmart.org and www.facebook.com/OfficialDolphinSmart.
Need for Additional Action
Despite the prohibitions, guidelines, outreach, and stewardship
efforts currently in place, close interactions between humans and
spinner dolphins continue to occur in Hawaii's waters and are
especially prevalent in essential daytime habitats (see Background). In
April 2000, the MMC released a literature review of scientific
publications that evaluated the impacts of swimming with wild dolphins
worldwide (Samuels et al. 2000). The authors of this review noted the
[[Page 57858]]
prevalence of disturbances by tourist activities in areas critical to
the animals' well-being, and recommended that precautions be taken to
protect the dolphins (Samuels et al. 2000).
The concerns about disturbance to spinner dolphins by boaters and
swimmers prompted NMFS to raise the topic of enhancing protections for
these animals in an Advanced Notice of Proposed Rulemaking (ANPR) (70
FR 73426, December 12, 2005). Public comments received in 2005
reiterated and reinforced the concerns expressed by the MMC. In the
years since the 2000 Samuels et al. review, additional scientific
evidence has documented disturbances or disruptions to spinner dolphins
by boaters or swimmers (Forest 2001; Courbis 2004, 2007; Danil et al.
2005; Timmel 2005; Courbis and Timmel 2009; Ostman-Lind 2009; Symons
2013; Heenehan et al. 2014; Tyne et al. 2015). This problem is
pronounced in essential daytime habitats that are targeted for dolphin-
directed activities, and animals that use these areas are exposed to
intense activity on a daily basis. For example, a recent study found
that human activities took place within 100 m of spinner dolphins 83
percent of the time the animals were using four essential daytime
habitats on the island of Hawaii (Tyne 2015).
Based on extensive review and analysis through internal scoping,
external scoping via the ANPR, public scoping for the DEIS, and the
best available scientific information, we have determined that the
existing prohibitions, regulations, and guidelines need to be
strengthened to protect Hawaiian spinner dolphins from various forms of
take from human activities that cause harassment or disturbance.
Dolphins' response to disturbance varies among individuals, but in most
cases it includes a departure from natural behavioral patterns that
support the animal's health and fitness, and chronic disturbance may
result in negative impacts to the fitness of individuals and/or
populations. We therefore deem it necessary and appropriate to adopt
additional regulations to clarify human activities that result in take
of Hawaiian spinner dolphins, including harassment or other forms of
disturbance as currently defined by statute and regulation.
Although unauthorized take of dolphins continues to be illegal
wherever it occurs, we are focusing these regulations in nearshore
areas, out 2 nm (3.7 km) from shore of the MHI and including designated
waters between Lanai, Maui, and Kahoolawe (see Figures 1 and 2 in
section 216.20(e) and Geographic Area section below), where the threat
from dolphin-directed activities is concentrated and where spinner
dolphins engage in daytime behaviors, including resting, socializing,
nurturing, and traveling. These additional measures are intended to
prevent ``take'' during important resting periods and allow Hawaiian
spinner dolphins to engage in normal fitness-enhancing behaviors,
thereby preventing long-term negative impacts to individuals and to the
population.
Development of Proposed Regulations
In 2005, NMFS convened a Spinner Dolphin Working Group with
representatives from the MMC, State and Federal agencies, and
scientific researchers who work on spinner dolphin conservation
concerns. The group evaluated the best available information at the
time to understand the scope of the tourist and recreational activities
targeting spinner dolphins. As noted above (Need for Additional Action
section), in December 2005, we published an ANPR in the Federal
Register (70 FR 73426, December 12, 2005) to solicit input from the
public on potential ways to better enhance protections for spinner
dolphins and mitigate activities of concern (e.g., close approach and
swim-with activities). This was followed by a Notice of Intent (NOI) to
Prepare an Environmental Impact Statement (EIS) under the National
Environmental Policy Act (NEPA) (71 FR 57923; October 2, 2006), in
which we identified a preliminary list of potential regulations for
future consideration and comment, which included partial time-area
closures in certain spinner dolphin essential daytime habitats, a
minimum distance limit for approaching dolphins in the wild,
restrictions on certain human behaviors in NMFS-identified spinner
dolphin resting areas, and complete closure of all known spinner
dolphin resting areas in the MHI.
During the ANPR and the NOI comment periods, five public scoping
meetings were held on the islands of Kauai, Oahu, Maui, and Hawaii, and
oral statements were taken at each meeting. NMFS received a total of
4,641 public comments in response to the ANPR and the NOI (this
includes all emails, letters, and public testimonies). Comments were
submitted by concerned citizens, tour operators, scientific
researchers, conservation and education groups, and Federal, State, and
other government entities.
Comments received through both of the public comment periods varied
widely and recommended numerous actions to consider, ranging from no
regulations to permanent closure of areas used by the dolphins for rest
and shelter. Additionally, public comments raised concerns about
various topics that should be addressed in the EIS or proposed action.
These concerns are grouped into various topics in the final scoping
report, and include the following topics: Hawaiian spinner dolphin
biology and behavior; cultural issues; cumulative effects; data/data
gaps; direct and indirect effects; education/outreach; enforcement; the
ESA; guidelines/solutions for other species or from other countries;
human-dolphin interaction, medical benefits from swimming with
dolphins; MMPA; monitoring; the NEPA; public and stakeholder
involvement; regulatory regime; social and economic issues; spiritual
and religious issues; take and harassment, traditional Hawaiian
knowledge; and welfare of the dolphins. Although comments varied
greatly, a consistent theme that stood out under several topics was the
need for effective and enforceable regulations.
As a result of stakeholder concerns expressed through these public
comments, and for the preparation of this rule and associated DEIS, we
made multiple site visits to areas where concerns have been raised
regarding Hawaiian spinner dolphin disturbance in the MHI. During these
visits, we met with concerned members of the public to gather
information relevant to this analysis. Additionally, we coordinated
with State and Federal agencies, and used the public comments generated
from the ANPR and NOI to develop a range of actions and mitigation
measures that are reflected in numerous alternatives under
consideration for the proposed action.
Presentations made at the public scoping meetings, the April 2007
EIS public scoping summary report, a list of the attendees, the ANPR,
public comments, and background materials are provided at https://www.fpir.noaa.gov/PRD/prd_spinner_EIS.html.
We relied on the public comments on the ANPR and the NOI, and on
new scientific information to develop a range of regulatory and non-
regulatory alternatives, including the alternative of not adopting
regulations. We analyzed the environmental effects of these
alternatives and considered options for mitigating effects. After a
preliminary analysis of alternatives, we developed and analyzed the
effects of the swim-with and 50-yard (45.7 m) approach regulations,
which we chose as our preferred alternative, which includes no
interception (i.e., ``leapfrogging'' or placing a person or vessel in
the path of
[[Page 57859]]
dolphins for the purpose of interception). As more fully discussed
below, we specifically seek public comment on whether these proposed
measures alone will provide sufficient protection to spinner dolphins
from human interactions.
Although not currently proposed, we are considering whether other
management measures also may be necessary and appropriate to protect
Hawaiian spinner dolphins from take, especially in essential daytime
habitats targeted by humans for dolphin-directed activities.
Accordingly, we have also analyzed the effects of the alternative
management measures of promulgating swim-with and approach regulations,
while additionally creating either mandatory (see DEIS Alternative 4)
or voluntary (see DEIS Alternative 5) time-area closures in five
essential daytime habitats. The results of our analyses are contained
in a DEIS. The DEIS is available for review and comment in association
with this rulemaking (see ADDRESSES). A description of these
alternatives is also included in the Additional Measures Under
Consideration section of this proposed rule.
SAPPHIRE Project
During the initial scoping period for the Spinner Dolphin Human
Interaction EIS, we received comments that recommended gathering
additional information on Hawaiian spinner dolphins, including
monitoring local populations to determine impacts to numbers and
overall health of the MHI resident spinner dolphins. In response to
this recommendation and to inform this rulemaking effort, NMFS internal
grant funding was awarded to the ``Spinner Dolphin Acoustics,
Population Parameters, and Human Impact Research'' (SAPPHIRE) program,
conducted jointly by Duke University and Murdoch University. The
SAPPHIRE project's objective was to provide baseline data on the local
abundance, distribution, and behavior of spinner dolphins in Kealakekua
Bay, Honaunau Bay, Kauhako Bay, and Makako Bay off of the island of
Hawaii, as well as in nearshore, shallow-water environments near these
resting bays. This intensive study integrated a suite of visual and
acoustic sampling techniques, using boat-based and land-based surveys,
as well as acoustic recording devices, to assess the following: Spinner
dolphin daytime habitat use and resting behavior in study areas and
surrounding waters; residency and fidelity patterns of spinner dolphins
during the day in nearshore habitats in both the study areas and
surrounding waters; spinner dolphin exposure to human activities within
the studied resting bays and surrounding waters; and spinner dolphin
demographic response to human activities within resting bays and
surrounding waters.
Research in the four bays and nearshore waters of the island of
Hawaii began in August 2010 and was completed in May 2013. Results from
this study provided robust population estimates for the Hawaii Island
stock (see Background), as well as additional information about spinner
dolphin habitat use and the pressure that this resident stock faces
from dolphin-directed human activities. Many of these studies have been
published in scientific literature and scientific reports and were used
to inform this rulemaking process (Thorne et al. 2012, Johnson et al.
2013, Heenehan et al. 2014, Tyne et al. 2014, Tyne 2015, Tyne et al.
2015). Below we describe information gained from several of these
studies.
Early researchers (Norris and Dohl 1980, Norris et al. 1994)
hypothesized that essential daytime habitats have specific
environmental characteristics making them more favorable to the
dolphins in supporting resting behaviors, such as shallow, calm, flat,
protected, sandy-bottomed bays that provide easy access to nearby deep-
water foraging areas. Thorne et al. (2012) used dolphin surveys and
predictive habitat modeling to test a suite of these environmental
factors that may make spinner dolphins favor these areas. The study
found that proximity to deep-water foraging areas, depth, the
proportion of bays with shallow depths, and low rugosity (indicating
low substrate roughness, i.e., sand) were important predictors of
spinner dolphin habitat. The strongest predictors of spinner dolphin
resting habitat were distance to the 100-m depth contour (foraging
habitat) and depth of the resting areas, with spinner dolphin resting
habitat generally occurring in the shallow depths (<50 m) within a bay
that was close to the 100-m depth contour and thus, their offshore
foraging grounds (Thorne et al. 2012). In tests of these
characteristics across the MHI, the bays that were predicted by the
model to be optimal resting habitats were consistent with spinner
dolphin resting habitats that are recognized as preferred from various
observations and identified in the DEIS.
Tyne et al. (2015) further examined key ecological characteristics
and spinner dolphin behavior to see which characteristics support
resting behavior. The most important factor contributing to the
likelihood of rest was the dolphins' presence within a bay, meaning
that they were most likely to rest when they were inside a bay (Tyne et
al. 2015). Another important factor was the presence of sand substrate.
In general, spinner dolphins spent disproportionately more time over
sandy substrates in and out of bays; however, outside of bays, spinner
dolphins were observed mostly travelling over sandy substrates. This
supports the finding that the bays themselves are the most important
factor for resting behaviors, because even sandy substrate outside of
the bays did not significantly predict resting behavior. This work
highlights the role that habitat areas play in supporting important
fitness enhancing behaviors, specifically rest.
Johnson et al. (2013) assessed the influence of human activity on
the energy budget of Hawaiian spinner dolphins using a theoretical
model and comparing predictions from the model to empirical data
collected in Kealakekua Bay on spinner dolphin behavior. Under the
model, individual dolphins needed to spend at least 60 percent of their
time inshore in a resting state to be in a positive energetic balance.
Given this assumption, direct observations of spinner dolphins suggest
that these animals are currently spending adequate amounts of time
engaged in resting behaviors to meet their energetic requirements;
however, researchers cautioned that individuals with high energetic
demands could be at a deficit. For example, nursing mothers and
juveniles generally have a much higher energetic demand and these
individuals could be at risk of an energetic deficit. This study also
evaluated the likelihood of spinner dolphins resting, given various
human activities occurring at different distances. Researchers found
that the presence of swimmers within 150 m significantly decreased the
likelihood of resting. Interestingly, the likelihood of dolphins
resting was higher when vessels were present between 50 and 150 m,
creating the appearance of a positive relationship between resting
behavior and vessel presence at this distance. These results may
demonstrate a difference in dolphins' perceived risk between swimmers
and vessels, or a lack of perceived risk associated with vessels.
However, this positive relationship between resting behavior and
vessels may also be influenced by the high frequency of observations
with vessels present between 50-300 m and few observations with no
vessels present (Johnson et al. 2013).
[[Page 57860]]
Tyne (2015) similarly noted that spinner dolphins off the west
coast of the island of Hawaii are exposed to a high rate of human
activities and that this rate of exposure may obscure researchers'
ability to distinguish disturbance effects associated with intense
viewing pressures. In his evaluations, Tyne (2015) found that spinner
dolphins were exposed to human activities within 100 m over 80 percent
of the time that the dolphins were using essential daytime habitat.
Evaluations between control conditions, i.e., no vessels or people
within 100 m of dolphins, and exposure conditions, i.e., vessels or
people within 100 m of dolphins, suggested that human activities did
not have a significant effect on the probability of spinner dolphins
engaging in resting, socializing, or traveling. However, control
conditions did not occur often (less than 18 percent of the time) or
for long periods of time (median duration of 10 minutes), preventing a
robust comparison for the purposes of measuring effects. With so little
control data and with short durations between exposures to human
activity, Tyne (2015) questioned whether the observed data were
representative of true or deep resting behavior, or whether observed
resting behavior may only be ``light'' rest. In this case, observing
behavior alone may not be a reliable indicator for measuring
disturbance effects, because observed resting behavior may not
represent behavior that provides restorative benefits for these
animals. The rate of exposure to human activities off the west coast of
the island of Hawaii is 25 percent higher than reported for other
dolphins studied for behavioral response to human activities in other
areas of the world (Tyne 2015). This rate of exposure may place
resident stocks at risk and long-term disturbance could result in
habitat displacement or reduced fitness as seen in other dolphin
populations (Bejder et al. 2006a, 2006b; Lusseau and Bejder 2007).
Proposed Rulemaking
The swim-with and approach prohibitions described in this proposed
rule are designed to protect spinner dolphins from take, including
harassment and disturbance, caused by dolphin-directed activities that
are concentrated in coastal waters (within 2 nm (3.7 km) of shore and
in designated waters between Lanai, Maui, and Kahoolawe) and reduce the
impact of increased viewing and interaction pressures. Although we
stress that unauthorized take of spinner dolphins or any marine mammals
already is and continues to be prohibited by the MMPA in any location,
we believe that specific regulations aimed at identified human
activities that result in take of Hawaiian spinner dolphins is
warranted because of the chronic disturbance that is currently taking
place in nearshore waters. NMFS is proposing these regulations pursuant
to its rulemaking authority under MMPA sections 112(a) (16 U.S.C.
1382(a)) and 102 (16 U.S.C. 1372).
Although not included in this proposed rule, we are also
considering whether additional management measures may be necessary and
appropriate to protect Hawaiian spinner dolphins from take, especially
in essential daytime habitats targeted by humans for dolphin-directed
activities. The Additional Measures Under Consideration, Time-Area
Closures section below discusses both mandatory and voluntary time-area
closures as two alternative management options that may enhance
protections for Hawaiian spinner dolphins beyond the proposed swim-with
and approach rule.
Scope and Applicability
Applications to All Hawaiian Spinner Dolphins
The proposed rule's swim-with and approach prohibitions would apply
to all Hawaiian spinner dolphins found in the action area (see
Geographic Action Area section below).
Geographic Action Area
The action area for this rule is limited to waters within 2 nm (3.7
km) of each of the MHI and in designated waters between the islands of
Lanai, Maui, and Kahoolawe (see Figures 1 and 2 in section 216.20(e)).
The latter designated waters include all water areas enclosed by three
line segments that connect points at the 2-nm boundary between the
islands as follows: The rhumb line between (A1) 20[deg]32'51'' N./
156[deg]43'50'' W. and (A2) 20[deg]42'4'' N./156[deg]55'34'' W. between
Kahoolawe and Lanai; the rhumb line between (B1) 20[deg]51'1'' N./
156[deg]54'0'' W. and (B2) 20[deg]59'48'' N./156[deg]42'28'' W. between
Lanai and Maui; and the rhumb line between (C1) 20[deg]33'55'' N./
156[deg]26'43'' W. and (C2) 20[deg]32'15'' N./156[deg]29'51'' W.
between Maui and Kahoolawe. Throughout this rule, all coordinates are
referenced to the World Geodetic System of 1984 (WGS84).
This is inclusive of the majority of the nearshore habitats where
MHI resident stocks of spinner dolphins engage in daytime behaviors and
where dolphin-directed human activities that may result in take are
known to occur (see Rationale section below).
Applications to All Forms of Swimming and Approach
The regulations apply to all forms of swim-with and approach
activities in water and air. Forms of approaching spinner dolphins
include, but are not limited to, operating a manned or unmanned
motorized, non-motorized, self-propelled, human-powered, or submersible
vessel; operating an unmanned aircraft system (UAS) or drone; and
swimming at the water surface or underwater (i.e., SCUBA or free
diving).
Requirements of the Proposed Rule
Swim-With and Approach Regulations
The proposed rule would prohibit people from engaging in the
following activities around Hawaiian spinner dolphins:
(1) Approaching or remaining within 50 yards (45.7 m);
(2) Swimming or attempting to swim within 50 yards;
(3) Causing a vessel, person, or object to approach or remain
within 50 yards; and
(4) Intercepting, or placing a vessel, person, or other object on a
path of a spinner dolphin so that the dolphin approaches within 50
yards of the vessel, person, or object.
Exceptions
NMFS considered specific categories that should be exempt from the
regulations, which are proposed below:
(1) Any person who inadvertently comes within 50 yards (45.7 m) of
a Hawaiian spinner dolphin or is approached by a spinner dolphin,
provided the person makes no effort to engage or pursue the animal and
takes immediate steps to move away from the animal;
(2) Any vessel that is underway and is approached by a spinner
dolphin, provided the vessel continues normal navigation and makes no
effort to engage or pursue the animal;
(3) Any vessel transiting to or from a port, harbor, or in a
restricted channel when a 50-yard distance will not allow the vessel to
maintain safe navigation;
(4) Vessel operations necessary to avoid an imminent and serious
threat to a person or vessel;
(5) Activities authorized through a permit or authorization issued
by the NMFS to take spinner dolphins; and
(6) Federal, State, or local government vessels, aircraft,
personnel, and assets when necessary in the course of performing
official duties.
The exception for vessels transiting to or from ports, harbors, or
restricted channels is necessary to allow
[[Page 57861]]
continuation of safe navigation when approaching spinner dolphins
closer than 50 yards is unavoidable. For these cases, the vessel should
continue normal navigation to reduce the likelihood that close
interactions result in disturbances for an appreciable period of time.
The exception for vessel operations necessary to avoid an imminent and
serious threat to a person or vessel is needed for the safety of human
life and property, and to allow for compliance with applicable
navigation rules. The exception for government vessels, aircraft,
personnel, and assets operating in the course of official duties is
intended to avoid disruption of essential government missions,
including enforcement and national security activities. The exception
for vessels or persons engaged in an activity authorized through a
permit or other authorization issued by the NMFS to take spinner
dolphins is necessary to ensure the continued availability of
scientific research and biological data necessary to inform management
and conservation decisions related to the dolphins. We anticipate that
compliance with relevant permit terms and conditions will help minimize
the potential impacts to dolphins.
Rationale
Proposed Action--Swim-With and Approach Regulations
Hawaiian spinner dolphins resident to the MHI are made up of small,
genetically isolated stocks that exhibit a specialized behavioral
ecology that makes them easy to access in coastal environments during
their daytime resting hours. This leaves these resident stocks
vulnerable to human-caused disturbance and its effects such as habitat
abandonment or declines in reproductive success (Norris et al. 1994,
Andrews et al. 2010, Tyne et al. 2014). In the MHI, dolphin-directed
activities have increased in recent years and the public's expectation
of close interactions has placed increased pressure on resident stocks
of Hawaiian spinner dolphins and the habitats that support these stocks
(see Background above). Despite outreach, guidelines, and current
prohibitions, observations in the field indicate that MHI resident
Hawaiian spinner dolphins' natural behaviors are disrupted by
activities that include approach by both swimmers and vessels (Ostman-
Lind et al. 2004, Danil et al. 2005, Courbis 2004, Courbis and Timmel
2008), and overarching spinner dolphin group behavioral patterns may be
changing in essential daytime habitats as a result of these pressures
(Norris et al. 1994, Forest 2001, Courbis 2004, Courbis and Timmel
2008).
Observed individual dolphin responses to disturbance events when
closely approached by people and vessels include charging or threat
displays, aerial displays, and avoidance behaviors such as moving
around and away from people and vessels, or leaving the bay in response
to human pursuit (Norris et al. 1985, Norris et al. 1994, Forest 2001,
Ostman-Lind et al. 2004, Courbis 2004, Courbis and Timmel 2008).
Additionally, researchers have observed changes to behavioral patterns
in essential daytime habitats, including differences in aerial activity
(Courbis and Timmel 2008) and changes in dolphin residence time and
distribution within essential daytime habitats, that may be linked to
the intensity of human activity (Forest 2001; Danil et al. 2005;
Courbis 2004, 2007; Courbis and Timmel 2008; Ostman-Lind 2007).
Chronic disturbance can disrupt natural behavioral patterns
associated with feeding, resting, nurturing, and socializing, and
diminish the animals' ability to utilize the benefits of important
habitat, ultimately resulting in negative impacts to the fitness of
individuals and resident populations. For example, disturbance while
spinner dolphins are resting detracts from the dolphins' abilities to
recuperate from energetically demanding behaviors such as foraging,
transiting to and from offshore foraging grounds, and nurturing their
young. If these disturbances happen chronically, the lack of
consistent, undisturbed resting periods can reduce the amount of energy
available to forage and care for young. In other small cetacean
populations, chronic human disturbances have been linked to
biologically significant impacts such as reduced female reproductive
success (Bejder 2005, Lusseau and Bejder 2007).
In other locations globally, intense dolphin-directed human
activities have resulted in changes to targeted dolphin populations'
habitat use and even caused habitat abandonment (Bejder et al. 2006a,
2006b; Gannier and Petiau 2006; Nature Conservation Sector 2006;
Lusseau and Bejder 2007; Notarbartolo-di-Sciara et al. 2009). For
example, in a bay in Tahiti, spinner dolphin residence times were
negatively influenced by boat presence. Spinner dolphins often left the
bays earlier when there was an increase in boat presence, and this
increased boat disturbance may have deterred dolphins from entering the
bay the next day (Gannier and Petiau 2006). Additionally, in Samadai
Reef, Egypt, spinner dolphins were reported as noticeably distressed
from excessive numbers of visitors and people attempting to interact
with the dolphins (Notarbartolo-di-Sciara et al. 2009). The spinner
dolphin group abandoned this preferred resting area, presumably to
avoid the disturbance from vessels and visitors (Nature Conservation
Sector 2006), and did not returned to the site until after management
measures were put in place. Management measures included prohibiting
human entry into the core resting area, and restricting certain
activities in areas surrounding the core resting area to prevent
further disturbance (Nature Conservation Sector 2006, Notarbartolo-di-
Sciara et al. 2009).
Chronic disturbance of spinner dolphins in the MHI could negatively
affect the habitat use or health of resident populations. Additionally,
disturbance effects may be amplified in the MHI's resident stocks,
which exhibit high site fidelity and restricted gene flow, because the
impacts to multiple individuals' health and fitness are quickly
reflected in the overall fitness of these small populations (Bejder
2005).
The 50-yard (45.7 m) approach regulation, including prohibiting
swimming with dolphins, is intended to reduce the degree of behavioral
disruption from close approaches by vessels and swimmers, while
allowing for meaningful dolphin watching opportunities. Research
indicates that spinner dolphins exhibit changes and disruptions to
natural behaviors from close approach by swimmers (Danil et al. 2005,
Courbis and Timmel 2008) and that swimmer presence within 150 m reduces
the likelihood of spinner dolphins being in a resting state (Symons
2013, Johnston et al. 2014). Approach by vessels and watercraft have
also been shown to disrupt and alter spinner dolphin behavior (Ross
2001, Forest 2001, Timmel et al. 2008). In the MHI, several studies
note that close approach by vessels disrupt dolphin behaviors at
various distances ranging from 10 m to 300 m (Forest 2001, Timmel et
al. 2008). At Midway Atoll in the Northwestern Hawaiian Islands, Ross
(2001) found that spinner dolphins were affected by vessel presence at
distances as great as 500 m and that the effects increased as the
distance decreased. Although Johnson et al.'s (2013) work in the MHI
found the likelihood that dolphins were resting was higher when vessels
were present between 50 and 150 m, they noted that these results may be
influenced by the fact that vessels were present in proximity to the
dolphins most of the time.
[[Page 57862]]
We have considered multiple distances that may provide protections
for spinner dolphins from human activities that result in take (such as
swimming with and approaching dolphins), including 50 yards, 100 yards
(91.4 m), or even greater distances. NMFS believes that 50 yards is the
minimum distance that will prevent most forms of take, while also
providing the public with sufficient opportunity to tailor their
conduct to avoid disruptive encounters with spinner dolphins. We
already recommend this distance (50 yards) in our wildlife viewing
guidelines and request that people do not swim-with wild dolphins to
reduce the risk of behavioral disruption from close encounters. These
guidelines are recognized by tour operators and are used by some (e.g.,
Dolphin SMART operators) to help ensure that spinner dolphins are
viewed responsibly.
A 100-yard approach restriction exists for humpback whales and this
distance was also considered for reducing take of spinner dolphins.
Spinner dolphins are fast-moving, small cetaceans and groups of
dolphins may move through areas changing directions throughout the day.
A distance restriction of 100 yards provides more space for these
animals to move back and forth, and helps ensure that people and
vessels have sufficient opportunity to maintain an appropriate distance
to avoid take. A 100-yard approach restriction might also be easier for
vessel operators to recognize and achieve, as this distance applies to
humpback whales. However, approach regulations at a distance greater
than 50 yards may be difficult for recreational swimmers to recognize
and achieve in the water. Based on the best scientific information
available, it is difficult to determine a precise distance beyond which
human activity does not have the potential to cause disturbance by
disrupting natural behaviors. However, we recognize that not all
approaches within 100 yards result in take, and we are concerned that
such a prohibition may unnecessarily burden the public, without
necessarily achieving the purposes of this rulemaking. Further, this
greater distance may diminish both the experience of dolphin watching
and opportunities to participate in dolphin watching, because these
animals are small and may be difficult to spot at a distance. NMFS
recognizes that the dolphin watching industry is important to Hawaii's
economy, and that these tours have the ability to inform the public
about dolphins and to foster stewardship. To reduce the threat of take
occurring (including harassment and disturbance) when swimmers and
vessels closely approach dolphins, to remain consistent with the
current recommended approach guideline for the region, and to allow for
continued dolphin watching opportunities at safe distances, NMFS is
proposing a distance of 50 yards for swim-with and approach
restrictions.
The proposed swim-with and approach regulations prevent a range of
human activities that occur in close proximity to Hawaiian spinner
dolphins. This includes swimming-with spinner dolphins, touching or
attempting to touch spinner dolphins; corralling or herding spinner
dolphins into small areas; and leap-frogging, all of which have the
potential to disturb the dolphins and result in take. Implementation of
these prohibitions would include enforcement by NMFS and DLNR Division
of Conservation and Resource Enforcement (DOCARE) personnel, and
outreach by NMFS staff and volunteers who would assist with an
informational campaign about the new regulation and the scientific
information on which it is based. This proposed rule provides new tools
for enforcement that are measurable, easy to understand, and based on
the best available science regarding human impacts on spinner dolphins.
To limit some potential impacts to the public from these regulations,
we propose exceptions that are designed to allow for transit into and
out of ports, harbors, and restricted channels; public safety measures;
avoidance of penalties when the animal has closely approached a boat or
person; and continuation of essential government and permitted
activities (see Exceptions section above). The DEIS contains a full
analysis of a No Action Alternative, other alternatives, and the
Preferred Alternative.
The costs of implementing human and vessel regulations to protect
the dolphins are expected to be low. Some will be borne by the
commercial dolphin watch and dolphin swim industry, dolphin-associated
spiritual retreats, and other generalized nature tours (see the DEIS
and the Regulatory Flexibility Act section below for more information).
While some dolphin watch companies and community members have suggested
that restricting swimming with the dolphins or closely approaching them
may affect revenue, surveys of tour participants indicate that close
approach of the dolphins may not be the most important aspect for the
dolphin watching participants, and that participants will support
viewing these animals in a manner that reduces the potential for
disruptive encounters with dolphins (Wiener 2015). Other impacts to
boaters, swimmers, kayakers, and others who are not engaged in dolphin-
directed activities are expected to be minor and include slight changes
to operations to comply with the proposed regulations.
The reduction in disturbance to Hawaiian spinner dolphins, as
addressed through each element of the rule as described above, provides
a benefit to the dolphins as well as to members of the public who value
the dolphins. Reducing threats to the dolphins also supports the long-
term sustainability of the responsible dolphin watching industry.
Geographic Scope (Distance From Shore)
The proposed regulations are designed to address dolphin-directed
activities that are resulting in various forms of take of Hawaiian
spinner dolphins. NMFS selected 2 nm (3.7 km) from shore around the MHI
as well as designated waters between the islands of Lanai, Maui, and
Kahoolawe as the boundary for the proposed prohibitions because this
range encompasses the areas where current and best available
information indicates that most dolphin-directed activities are likely
to be concentrated. NMFS gathered information from scientific
literature about Hawaiian spinner dolphin daytime habitat preferences
and information from over 400 sightings of spinner dolphins collected
around the MHI since 1992 from various members of the Pacific Islands
Photo Identification Network (PIPIN) to determine where resident
spinner dolphins are likely to occur during the day. Dolphin-directed
activities in Hawaii are concentrated in the nearshore portion of the
island-associated Hawaiian spinner dolphin stocks' ranges because these
stocks are easily accessed in coastal waters during the day when most
people seek out marine recreational activities.
Daytime habitat for Hawaiian spinner dolphins varies across the
MHI, because the bathymetry, or depths and shapes of underwater
terrain, is different for each island, and spinner dolphins seek out
areas with physical and biological characteristics that support their
ecological needs (see Background section). On Hawaii Island, Norris et
al. (1994) indicate that spinner dolphins generally prefer areas with
depths of less than 50 m for engaging in resting activities, and Thorne
et al. (2013) note that resting habitats generally occur in close
proximity to the 100-m contour (close to the inshore extent of prey
species at night). Spinner dolphins are
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also known to transit along Hawaii Island's coastline, moving between
resting areas during the day. Lammers et al. (2004) indicate that
Oahu's spinner dolphins show a strong affinity for the 10-fathom
isobath (18.3 m), and note that approximately 93 percent of sightings
off Waianae and 81 percent of sightings off the south shore of Oahu
occurred at depths shallower than 17 fathoms (31.1 m). Lammers et al.
(2004) also note that foraging activities begin by evening around the
100-fathom isobath (182.9 m) off Oahu. Information received from PIPIN
indicates that approximately 89 percent of spinner sightings across the
MHI were in waters within the 100-m depth contour and that 95 percent
were in waters within the 200-m depth contour, although spinner
dolphins have been observed in waters during the day where depths are
as great as 3,000 m (NMFS 2016).
In reviewing this information, we determined that selecting a
boundary based on depth in any particular area may be difficult for
people to identify without having access to proper instrumentation
(which would be especially difficult for kayakers, standup
paddleboarders, and swimmers), and that the distance from shore may
provide a more easily discerned boundary. In addition, although spinner
dolphin daytime habitat may be located at different distances from the
shoreline of different islands, establishing different prohibitions
based on the location of these daytime habitats (e.g., having
restrictions out to 1 nm (1.9 km) or 2 nm depending on the island)
could subject the public to inconsistent and confusing requirements,
and complicate both enforcement of and compliance with these
regulations. This could be particularly difficult in areas where
multiple islands are visible and the restricted distances differ around
different islands. Therefore, we evaluated consistent distances from
shore across the MHI.
We reviewed the habitat preferences and sighting information as it
relates to distance from shore to identify a boundary that would be
easy for people to recognize and would incorporate the best available
information about spinner dolphin habitat preferences and sighting
information. Along the west coast of Hawaii Island, habitats that are
50 m or less in depth and where dolphin-directed activities are
prevalent, are encompassed within 1-1.5 nm (1.9-2.8 km) from shore.
Habitats within 100 m depth fall almost entirely within 2 nm of shore,
and at 3 nm (5.6 km) these areas are entirely included. Off the west
coast of Oahu, where most dolphin-directed activities on this island
occur, the 10-fathom (18.3 m) isobath is largely captured within 1 nm
of shore, while 17 fathoms (31.1 m) is largely captured within 1.5 nm.
Habitats of these depths extend out farther on the south shore where
spinner dolphins are also known to rest; these habitats are largely
captured within 1.5 and 2 nm from shore respectively. The 100-fathom
(182.9 m) contour is largely captured within 1.5 nm on the west side of
the island, but extends out past 3 nm on the south shore. Little
information is available from the other MHIs regarding specific depth
preferences, although there are areas where the 50- and 100-m depth
contours extend past 4 nm (7.4 km). Off most of the MHI, a large
majority of the PIPIN sighting information is captured within 2 nm from
shore.
A key area for spinner dolphin sightings during the day, where the
depth contour extends out past 4 nm, is between the islands of Lanai,
Maui, and Kahoolawe. This area is traversed by many recreational and
commercial tour vessels in search of marine mammal viewing
opportunities throughout the day. Consequently, spinner dolphins also
require protections in this area. To ensure that dolphins are protected
throughout the day where they may transit between islands and encounter
dolphin-directed activities, we delineated an area around all three
islands that includes the 2-nm buffer around the outside of each island
and the channels and waters between these islands. This delineated area
includes 96 percent of all PIPIN sighting information across the MHI.
We are proposing this action to reduce the threat of take of
Hawaiian spinner dolphins (including harassment and disturbance) caused
by dolphin-directed activities that are concentrated in coastal waters
of the MHI and to reduce the impact of increased viewing and
interactions pressures on MHI resident stocks. We do not expect that
these same pressures are prevalent in the outer portions of the MHI
stocks' ranges, because these spinner dolphins are not easily accessed
when they are offshore. Therefore, the proposed rule applies to an area
within 2 nm of the MHI and in designated waters between the islands of
Lanai, Maui, and Kahoolawe. This area encompasses the majority of the
resident stocks' daytime habitat, thereby incorporating the area where
spinner dolphins are easily accessed and where take of Hawaiian spinner
dolphins is most likely to occur.
Additional Measures Under Consideration: Time-Area Closures
Although not currently proposed, we are also considering and
seeking public comment on whether additional management measures
(beyond swim-with and approach regulations) may be necessary and
appropriate to protect Hawaiian spinner dolphins from take, especially
in essential daytime habitats targeted by humans for dolphin-directed
activities. At this time, we believe that the swim-with and approach
regulations alone will provide sufficient protection to Hawaiian
spinner dolphins, by reducing close encounters between spinner dolphins
and humans that result in take. We also expect that the swim-with and
approach regulations will reduce the intensity of activities within
essential daytime habitats that are targeted by people for dolphin-
directed activities to some degree. However, NMFS recognizes that the
intensity of activity in some of these areas is high and that
additional measures could be necessary.
Area closures have been shown to be an effective management tool
for addressing the intensity of wildlife viewing and interaction in
other areas globally (Notarbartolo-di-Sciara et al. 2009, Nature
Conservation Sector 2006). Area closures provide members of the public
with precise boundaries so that they may readily tailor their conduct
accordingly. However, area closures can also carry undesired costs,
such as by imposing a burden on the public when spinner dolphins are
not present. We are mindful of this potential and believe a careful
approach is warranted. By first implementing swim-with and approach
regulations, we expect to reduce take of Hawaiian spinner dolphins
resulting from interactions with swimmers and vessels. We also expect
to gather additional information about the effectiveness of these
measures. Should this action's swim-with and approach regulations
provide insufficient protection for Hawaiian spinner dolphins using
essential daytime habitats, we would consider additional conservation
and management measures, including time-area closures, to reduce take
in high intensity areas. Below we discuss two management options that
are analyzed in the DEIS. We invite public comment about whether and at
what point these management options or others may be necessary and
appropriate to protect Hawaiian spinner dolphins from take.
Two possible management options evaluated in the DEIS would create
either mandatory (see Alternative 4 in the DEIS) or voluntary (see
Alternative
[[Page 57864]]
5 in the DEIS) time-area closures in five essential daytime habitats,
in addition to the swim-with and approach regulations. We selected the
five areas for potential time-area closures using a step-down process.
In this approach, we identified important habitats that might benefit
from additional protection, and then considered additional factors that
may promote or obstruct the effectiveness of the closure. (See Appendix
A of the DEIS for more detail.) The five sites are essential daytime
habitats where human activities are largely Hawaiian spinner dolphin-
directed, where closures are logistically feasible, and where
regulatory measures can be balanced most effectively with human ocean
use to protect these dolphins. Once the sites were selected for time-
area closures, we delineated core areas within each of the five sites
where spinner dolphins are most often engaged in resting activities.
The core areas would be subject to closure, while leaving other areas
of the bays open in order to minimize impacts on other human activities
(e.g., snorkeling, surfing).
As noted in the SAPPHIRE Project section above, essential daytime
habitats are particularly important to island-associated spinner
dolphins because the habitats provide environmental characteristics
that support the dolphins' ability to minimize travel to offshore food
sources and to detect predators (Norris and Dohl 1980, Norris et al.
1994, Thorne et al. 2012). Tyne et al. (2014) reported that spinner
dolphins off the island of Hawaii are most likely to rest while inside
these habitats that support predator detection and noted that dolphins
using these areas off the west coast of Hawaii are experiencing human
activities within 100 m over 80 percent of the time. Chronic wildlife
disturbance within important habitats may lead to habitat abandonment
and/or negatively impact the health of individual dolphins, ultimately
leading to population level impacts (Frid and Dill 2002, Bejder 2006).
Additional management in these areas may be important to ensure that
Hawaiian spinner dolphins are given sufficient space for groups to
engage in deep resting behaviors that allow dolphins to recuperate from
other energy demanding activities, such as foraging.
For time-area closures we are considering a closure time of 6 a.m.
to 3 p.m. This time-period would allow spinner dolphins to enter
essential daytime habitats without disturbance and remain in these
areas undisturbed during peak resting hours, while allowing for human
activities to occur (at a distance greater than 50 yards (45.7 m) in
accordance with the approach regulations) after 3 p.m. Historic spinner
dolphin resting times (before human interactions were likely a major
factor in the dolphins' resting patterns) were observed to occur
between dawn and dusk (Norris and Dohl 1980), and research indicates
that Hawaiian spinner dolphin resting behavior still occurs throughout
daytime hours (generally 6 a.m. to 6 p.m.) with the highest resting
activity occurring between 10 a.m. and 2 p.m. (Tyne et al. 2015).
Nevertheless, some Hawaiian spinner dolphin groups have been deterred
from entering their essential daytime habitat if human presence in the
area was too high early in the day (Danil et al. 2005). Preventing
disturbance in these habitats during early morning hours is important
to support spinner dolphins' arrival to the essential daytime habitat
and their descent into rest. The late afternoon hours are considered a
time of transition and described as a time when the dolphins rally
together and engage in zig zag movements as they are waking from their
deep rest, prior to moving offshore to their foraging grounds (Norris
et al. 1994). However, the afternoon hours are also a popular time for
human recreational use. Because the swim-with and approach regulations
would provide a measure of protection for spinner dolphins as they
increase activity toward the end of their resting period, we would end
the closure time at 3 p.m. Swim-with and approach regulations would
continue to provide a buffer of protection to the dolphins at the end
of their peak resting times, while also allowing some of these human
activities to occur for a limited time period.
For either mandatory or voluntary closure options, the closure
areas would be marked using buoys, sight-line markers, and landmarks
from shore, and explanations of the closure's purpose and effective
hours would be provided by signs on land and through other public
outreach efforts. The intent of both mandatory and voluntary closures
would be to prevent take by eliminating the intense human activity
within essential daytime habitats during important resting times. These
closures would allow for increased opportunities for spinner dolphins
to engage in fitness-enhancing behaviors in the absence of vessels and
people.
The bays identified for the mandatory and voluntary time-area
closure options are (1) Makako Bay, (2) Kealakekua Bay, (3) Honaunau
Bay, and (4) Kauhako Bay on the island of Hawaii, and (5) La Perouse
Bay on the island of Maui. Below we describe the areas delineated for
the time-area closures; these areas are also depicted in Figures 1-5 of
this preamble.
Makako Bay. The lines between points A, B, C, and D shown in Figure
1 illustrate the marine boundaries for the time-area closure for Makako
Bay; the shoreline boundary is at the mean lower low water line
(meaning activities could occur in the intertidal zone) between points
A and D. The following geographic coordinates provide the approximate
location for each point in Figure 1: A) 19[deg]44'21.61'' N.,
156[deg]3'16.37'' W.; B) 19[deg]44'25.18'' N., 156[deg]3'26.07'' W.; C)
19[deg]44'2.16'' N., 156[deg]3'35.51'' W.; and D) 19[deg]43'57.31'' N.,
156[deg]3'23.04'' W. Two buoy markers would be placed at points B and C
aligned with site line markers on shore at points A and D to delineate
the closure area (Figure 1). The closure encompasses approximately 0.14
mi\2\ (0.36 km\2\) of essential daytime habitat used by Hawaiian
spinner dolphins. These coordinates, and coordinates for the other
time-area closures, are considered approximate because the exact
locations would not be specified until the buoy anchoring system is
identified and an underwater survey is completed.
No public access point from shore is identified by the County of
Hawaii for Makako Bay. The closest access points are identified south
at Wawaloli Beach, with another access point identified North at
Keahole Point.
Kealakekua Bay. The lines between points A, B, C, and D shown in
Figure 2 illustrate the time-area closure for Kealakekua Bay. The
following geographic coordinates provide the approximate location for
each point in Figure 2: A) 19[deg]28'37.82'' N., 155[deg]55'15.03'' W.;
B) 19[deg]28'54.23'' N., 155[deg]55'44.90'' W.; C) 19[deg]28'48.42''
N., 155[deg]55'49.04'' W.; and D) 19[deg]28'32.19'' N.,
155[deg]55'19.20'' W. The closure area would be delineated by means of
six marker buoys--one located at each corner and one located at the
middle of each of the lengthwise boundaries. Informational signs would
be placed on shore to inform the public of the closure areas. The
closure encompasses approximately 0.08 mi\2\ (0.21 km\2\) of essential
daytime habitat used by Hawaiian spinner dolphins.
The County of Hawaii identifies two public access points on Boulder
Beach and Napoopoo Landing at Kealakekua Bay; both points would remain
open for access. Additionally, the route used by kayakers to access the
Captain Cook Monument at Kaawaloa from Napoopoo Pier is located outside
of the closure
[[Page 57865]]
area. A line on the map going across the bay depicts this route.
Honaunau Bay. The lines between points A, B, and C shown in Figure
3 illustrate the marine boundaries for the time-area closure for
Honaunau Bay; the shoreline boundary is at the mean lower low water
line (meaning activities could occur in the intertidal zone) between
points A and C. The following geographic coordinates provide the
approximate location for each point in Figure 3: (A) 19[deg]25'27.13''
N., 155[deg]54'41.65'' W.; (B) 19[deg]25'21.41'' N., 155[deg]54'58.17''
W.; and (C) 19[deg]25'31.99'' N., 155[deg]54'58.24'' W. The closure
site at Honaunau would be delineated by means of a single marker buoy
at point B to accommodate local native Hawaiians' requests to honor the
sacred nature of this cultural site, and would be aligned with site
line markers on shore at points A and C (Figure 3). Informational signs
would be placed on shore to inform the public of the closure areas. The
closure encompasses approximately 0.04 mi\2\ (0.10 km\2\) of essential
daytime habitat used by Hawaiian spinner dolphins.
The County of Hawaii identifies Honaunau Bay boat ramp as a public
access area for this bay. The boat ramp and the popular access point
for swimming and snorkeling known as Two-Step are located outside of
the closure area, and would remain open for everyday use.
Kauhako Bay. The lines between points A, B, and C shown in Figure 4
illustrate the marine boundaries for the time-area closure for Kauhako
Bay; the shoreline boundary is at the mean lower low water line
(meaning activities could occur in the intertidal zone) between points
A and B. The following geographic coordinates provide the approximate
location for each point in Figure 4: (A) 19[deg]37'86.15'' N.,
155[deg]89'68.10'' W.; (B) 19[deg]37'91.79'' N., 155[deg]89'95.98'' W.;
and (C) 19[deg]37'04.02'' N., 155[deg]89'70.41'' W. A single marker
buoy would be placed approximately 35 m from shore to delineate the
inner bay closure boundary. Sight line markers at each of the points A,
B and C (Figure 4), and two buoys placed along the offshore boundary
(line B-C) would delineate the closure area at this bay. Informational
signs would be placed on shore to inform the public of the closure
areas. The closure encompasses approximately 0.087 mi\2\ (0.18 km\2\)
of essential daytime habitat used by Hawaiian spinner dolphins.
The County of Hawaii identifies Hookena Beach Park as a public
access point for this area. The nearshore area located inshore of the
line between points A and B would be open for everyday use, including
swimming, snorkeling, and freediving.
La Perouse Bay. The lines between points A, B, C and D shown in
Figure 5 illustrate the marine boundaries for the time-area closure for
La Perouse Bay; the shoreline boundary is at the mean lower low water
line (meaning activities could occur in the intertidal zone) between
points A and C, and between B and D. The following geographic
coordinates provide the approximate location for each point in Figure
5: (A) 20[deg]35'56.90'' N., 156[deg]25'17.04'' W.; (B)
20[deg]35'25.68'' N., 156[deg]24'44.72'' W.; (C) 20[deg]35'39.30'' N.,
156[deg]25'33.85'' W.; and (D) 20[deg]35'10.98'' N., 156[deg]24'50.90''
W. A single marker buoy would be placed approximately 100 m offshore of
the most popular snorkeling entry point to delineate the nearshore
boundary line, with three buoys placed along the offshore boundary line
(line C-D) to delineate the outer closure boundary. Shore-based markers
at points A, B, C, and D would provide a sightline. Informational signs
would be placed on shore to inform the public of the closure areas. The
closure encompasses approximately 0.32 mi\2\ (0.83 km\2\) of resting
habitat used by Hawaiian spinner dolphins.
Maui County identifies La Perouse as a public access point for this
area (coordinates: 20[deg]36'09.66'' N., 156[deg]25'22.48'' W.). The
area inshore of the line between A and B, which includes this access
point, would remain open for everyday uses such as surfing, snorkeling,
and freediving.
Activities occurring in the intertidal zone (the area that is above
water at low tide and under water at high tide), such as shore-based
fishing and subsistence gathering, would be able to continue during any
time of day in either type of closure.
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Mandatory Time-Area Closures and Swim-With and Approach Regulations
Although not currently proposed, if we were to implement mandatory
time-area closures in addition to promulgating swim-with and approach
regulations (described under Alternative 4 in the DEIS), we would
create the time-area closures (depicted in Figures 1-5 above) and
promulgate regulations that prohibit use of waters within the five
delineated areas from 6 a.m. to 3 p.m.. All Exceptions (see section
above) described for the proposed swim-with and approach regulations
would apply to this alternative, and the following three additional
exceptions would also apply to the mandatory time-area closures:
(1) Vessels that transit the time-area closure for the sole purpose
of ingress and egress to privately-owned shoreline residential property
located immediately adjacent to the time-area closure;
(2) Vessels participating in organized community-based outrigger
canoe races that transit straight through a time-area closure; and
(3) Vessels that transit straight through the time-area closure for
the purpose of traditional subsistence fishing where harvested
resources are intended for personal, family, or community consumption
or traditional use and not for commercial market sale.
Entering mandatory time-area closures during closed periods would
result in a violation unless an exception to the rule applies.
Mandatory time-area closures would prevent take within these
important areas and ensure that spinner dolphins are provided space to
achieve deep rest during the day. Additionally, regulations to impose
these closures would provide a strong tool for enforcement that is
measurable and easy to understand, promoting both enforcement and
compliance. Under this management option, swim-with and approach
regulations would reduce disturbance to Hawaiian spinner dolphins from
close approach activities throughout nearshore areas, and mandatory
time-area closures would provide additional protection by reducing the
intensity of viewing pressure in five essential daytime habitats.
Voluntary Time-Area Closures and Swim-With and Approach Regulations
Although not currently proposed, if we were to implement voluntary
time-area closures in addition to promulgating swim-with and approach
regulations (Alternative 5 in the DEIS), we would demarcate the same
five areas for voluntary time-area closures as are described for the
mandatory closures (see Mandatory Time-Area Closures with Swim-with and
Approach Regulation above). Through outreach, we would ask the public
to refrain from using waters within the five delineated areas from 6
a.m. to 3 p.m. Participation in the time-area closures would be
voluntary, and no penalties would apply to people or vessels that enter
the areas during designated spinner dolphin resting times. The
voluntary time-area closures would not apply to any activity that falls
within the Exceptions (see above) described for the swim-with and
approach regulations, or the three additional exceptions described for
the mandatory time-area closures option (see three exceptions in the
Mandatory Time-Area Closures and Swim-with and Approach Regulations
section above). Under this alternative, compliance with the time-area
closure would be voluntary.
Success with voluntary measures requires strong community
engagement and support. Ideally, conservation benefits for Hawaiian
spinner dolphins would be the same for mandatory and voluntary closures
because both management measures demarcate space
[[Page 57871]]
for Hawaiian spinner dolphins to engage in resting behaviors. However,
we expect that compliance with voluntary measures would be generally
lower than compliance with regulations that are enforced (May 2005),
and within the five bays, resource users are diverse and have varying
motivations and beliefs with regard to Hawaiian spinner dolphin
conservation. The lack of a common understanding about the value of
these conservation measures may make it difficult to achieve voluntary
compliance for the closures. Further, inconsistent compliance with
voluntary measures could lead to increased tension between resource
user groups that have conflicting views about Hawaiian spinner dolphin
conservation.
Additional Measures Eliminated From Consideration
NMFS did not propose some of the regulatory options suggested in
the ANPR and in public comments for several reasons, including the
measures' inability to meet the purpose and need for this rulemaking
(see the DEIS for more detail), difficulties in enforcing them, changes
to infrastructure needed to implement them, lack of effectiveness of
the measures, lack of resources available to institute them, and the
complexity associated with complying with the measures. For example, a
permit certification program for all marine operators that engage in
some form of dolphin viewing would be inappropriate for addressing
chronic and concentrated viewing practices, would require a large
processing infrastructure to implement throughout the Hawaiian Islands,
and would not address disturbance caused by vessels that are not
conducting dolphin tours (e.g., recreational vessels or kayaks).
Another suggestion, implementing full closures of all identified
resting habitats throughout the Hawaiian Islands, would create many
restrictions on activities that are not dolphin-directed, obstruct some
harbors, be costly, and require a larger infrastructure to institute
and enforce. We discuss these and other regulatory options suggested in
public comments in the DEIS for this action.
Public Comments
We are soliciting comments on any aspect of these proposed swim-
with and 50-yard (45.7 m) approach regulations. As explained above,
NMFS does not propose to implement mandatory or voluntary time-area
closures as part of this rulemaking. At this time, NMFS believes that
the proposed swim-with and approach regulations will provide adequate
protection to spinner dolphins against take, including harassment and
disturbances. Should NMFS determine that swim-with and approach
regulations provide insufficient protection for Hawaiian spinner
dolphins using essential daytime habitats, we would consider additional
conservation and management measures, including time-area closures to
reduce take in high intensity areas, in a separate rulemaking.
We are particularly interested in comments concerning the
following: (1) Effects of the increasing number of human interactions
with Hawaiian spinner dolphins; (2) proposed prohibited and exempted
activities; (3) whether 50 yards is the most appropriate distance for
swim-with and approach restrictions to reduce take of spinner dolphins;
(4) whether 100 yards (91.4 m) or another distance is the most
appropriate distance for swim-with and approach restrictions to reduce
take of spinner dolphins; (5) research recommendations and priorities
for better understanding how human disturbance affects Hawaiian spinner
dolphins; (6) information on responsible viewing of marine mammals; (7)
additional information on spinner dolphin behaviors; (8) other human
activities affected by the proposed rule that were not discussed; (9)
the temporal and geographic scope (i.e., 2 nm from shore) of the
approach regulation; (10) whether the area where the approach
regulation is proposed in the Lanai- Maui-Kahoolawe triangle is
adequate and appropriate; (11) whether time-area closures are necessary
to address the intensity of Hawaiian spinner dolphin-directed
activities in some areas; (12) the effectiveness of mandatory versus
voluntary closures; (13) the bays and times of day identified for time-
area closures; (14) information about other areas where Hawaiian
spinner dolphins may face pressures from human viewing and interaction;
and (5) suggestions on other areas that should be considered for time-
area closures.
Please be aware that all comments received are a part of the public
record and will generally be posted for public viewing on
www.regulations.gov without change. All personal identifying
information (e.g., name, address, etc.) submitted voluntarily by the
sender will be publicly accessible. Do not submit confidential business
information, or otherwise sensitive or protected information. NMFS will
accept anonymous comments (enter ``N/A'' in the required fields if you
wish to remain anonymous).
References Cited
A complete list of all references cited in this proposed rule can
be found on our Web site at: https://www.fpir.noaa.gov/PRD/prd_spinner_EIS.html, or at www.regulations.gov, and is available upon
request from the NMFS office in Honolulu, Hawaii (see ADDRESSES).
Classification
National Environmental Policy Act (NEPA) and Regulatory Impact Review
(RIR)
NMFS has prepared a DEIS and an RIR pursuant to NEPA (42 U.S.C.
4321 et seq.) and Executive Order (E.O.) 12866, to support this
proposed rule. The DEIS/RIR contains a full analysis of a No Action
Alternative, five action alternatives, and the Preferred Alternative
that we are proposing. There are a number of elements that were common
to all of the action alternatives analyzed, including the preferred
alternative proposed in this notice, and a number of exceptions that
would apply to these alternatives. The DEIS/RIR and supporting
documents are available for review and comment and can be found on the
NMFS Pacific Islands Region Web site at https://www.fpir.noaa.gov/PRD/prd_spinner_EIS.html.
Regulatory Flexibility Act
Under the Regulatory Flexibility Act (RFA) (5 U.S.C. 601 et seq.)
as amended by the Small Business Regulatory Enforcement Fairness Act
(SBREFA) of 1996, whenever an agency publishes a notice of rulemaking
for any proposed or final rule, it must prepare and make available for
public comment a Regulatory Flexibility Analysis describing the effects
of the rule on small entities, i.e., small businesses, small
organizations, and small government jurisdictions.
Pursuant to the RFA, NMFS prepared the following Initial Regulatory
Flexibility Analysis (IRFA). A description of the action, why it is
being considered, and the legal basis for this action are contained in
the preamble to this proposed rule. This proposed rule does not
duplicate, overlap, or conflict with other Federal rules. The analysis
contains a description of and, where feasible, an estimate of the
number of, small entities to which the proposed rule will apply. The
Small Business Administration (SBA) establishes criteria for defining a
``small entity'' for purposes of the RFA. This IRFA analyzes the
proposed alternatives and other alternatives described in the preamble
to the rule, and does not
[[Page 57872]]
address alternatives previously considered and subsequently dismissed
in the DEIS. There are no record-keeping or reporting requirements
associated with this proposed rule.
Description and Estimate of the Number of Small Entities to Which the
Proposed Rule Applies
There are several types of industries directly affected by this
proposed rulemaking: Swim-with-wild-dolphins tour operators; dolphin
watch tour operators; non-motorized vessel ocean wildlife viewing tour
operators; and generalized commercial boat tour operators. This
analysis uses size standards prescribed by the SBA. Specifically, for
scenic and sightseeing water transportation operators (North American
Industry Classification System Code 487210), the SBA size standard for
a small business is average annual receipts of $7.5 million or less.
Much of the background information for potentially affected entities is
based on a 2007 report that summarized surveys and other information
collected in 2006 with regard to participants within these industries
that potentially interact with Hawaiian spinner dolphins to varying
degrees in the MHI (Impact Assessment 2007). The report provides
information that suggests that all businesses operating in the swim-
with-wild-dolphins tour and the kayak tour industries operating in 2006
could be considered small entities, and all but one of the generalized
commercial boat tour operators were assumed to be small entities
(Impact Assessment 2007). This is the most recent information available
to NMFS regarding revenue information, but NMFS notes that the
composition of these vessel-based tour industries, including the number
which can be considered small entities and the total number, may have
changed since the report was written.
Swim-with-wild-dolphins tour operators are those that bring
clientele into close proximity with spinner dolphins. This includes
health and/or spiritual retreat operations as well as dolphin-oriented
swim tours. Health and spiritually-linked businesses provide
opportunities for persons wishing to interact with spinner dolphins for
perceived physical, mental, and/or spiritual well-being enhancement.
Spiritually-linked tour operations may charter vessels through other
established dolphin-swim companies to transport customers as part of an
overall per-person package consisting of lodging, swimming with
dolphins, and other activities. For spiritual retreats that offer
dolphin swims, the number of businesses is estimated to be as follows:
Hawaii (22), Maui (7), Oahu (1), and Kauai (2+).
Dolphin-oriented swim tours operate by transporting passengers by
boat or having them swim from shore to areas in which dolphins are
known to be present during daytime hours. Customers may also be
provided with facemasks, fins, floatation devices, and snorkels to
enhance viewing. Recent information compiled by NMFS suggests that the
number of swim-with-dolphins tour companies is as follows: Hawaii (22),
Maui (2), Oahu (10), and Kauai (1). All are believed to be small
entities.
Dolphin-watch tour operators involve taking clients out
specifically to view wild dolphins. These companies tend to operate
smaller boats than the more generalized commercial boat tours described
below, and are more likely to view dolphins at a closer range. Revenue
information for this specific business category is not available. NMFS
estimates the number of dolphin watch tour businesses to be as follows:
Hawaii (3), Maui (21), Oahu (3), and Kauai (11).
More generalized commercial boat tours offer a range of ocean
activities, which may include sightseeing, snorkeling, diving, viewing
various forms of sea life from a vantage point in and/or above the
water, or just generally spending time on the ocean. The majority of
the general tour boats derive revenue from whale watching and
sightseeing operations, while a number of the dive/snorkel vessels
offer snorkeling or diving trips. Based on recent information collected
by NMFS, the estimated number of generalized commercial boat tour
businesses reportedly involving indirect dolphin interaction is
estimated as follows: Hawaii (10), Maui (19), Oahu (36), and Kauai
(12). NMFS believes that most, but not all, would be considered small
entities.
Non-motorized vessel ocean wildlife viewing tour operators,
specifically kayak tour businesses around the MHI, provide a general
wildlife viewing experience, with a very small number of operators
advertising direct or intentional interactions with dolphins. The
number of kayak tour operators who advertise the opportunity to
directly interact with wild dolphins is not available. NMFS estimates
the numbers of companies that either operate kayak tours or rent out
kayaks to be as follows: Hawaii (6), Maui (9), Oahu (6), and Kauai
(13).
The estimated numbers of small entities directly affected by the
proposed rulemaking, by industry, on the MHI are as follows: 67 swim-
with-wild-dolphins tour operators (including health and/or spiritual
retreats enabling opportunities to swim with wild dolphins), 77
generalized commercial boat tour operators (one or more of which are
likely to be considered large entities), and 34 kayak tour and rental
companies.
Economic Impacts to Small Entities Resulting From the Proposed Action
(Swim-With and 50-Yard Approach Regulations)
The preferred alternative would restrict all activities associated
with close approach to Hawaiian spinner dolphins, including swimming
with dolphins and close approach by vessel. These prohibitions would be
applicable within 2 nm (3.7 km) of each of the MHI and in designated
waters between the islands of Lanai, Maui, and Kahoolawe.
The proposed action to ban swimming and approaching within 50 yards
(45.7 m) of Hawaiian spinner dolphins, has the potential to eliminate
all commercial activities that result in take of spinner dolphins
(e.g., swim-with-wild-dolphins) at a close distance. Therefore,
implementing this proposed action would require operators that
currently offer the opportunity to swim with spinner dolphins to cease
this specific activity, although they may choose to continue to provide
other services among their menu of options. For example, a spiritual
retreat that offers a menu of other activities along with swim-with-
wild-dolphins activities may continue to offer the other activities. In
addition, swim-with-wild-dolphins tour operators may choose to
transition to operate as a dolphin-watching or generalized tour vessel
operation. For these businesses, eliminating opportunities to swim with
wild spinner dolphins within 50 yards is likely to result in a
reduction in revenue in the short term and potentially in the long
term. The decrease in revenue could come from the reduction in the
number of customers, specifically those who seek the experience of
swimming with spinner dolphins, and/or reduced trip or package prices
with a reduced menu of options available for each trip. The loss in
overall revenue to individual businesses and the industry as a whole
that rely on close approach with spinner dolphins by any means for
revenue is uncertain. The same is true with regard to the number of
businesses that would be still be able to remain in operation if the
proposed regulation is implemented.
Commercial wildlife boat tour operators, including generalized
commercial boat tour operators, dolphin
[[Page 57873]]
watch tour operators, and non-motorized vessel tour operators, would no
longer be able to take customers to view Hawaiian spinner dolphins from
closer than 50 yards. Restricting operators from approaching within 50
yards of spinner dolphins may reduce demand for vessel-based tours
among customers who specifically hope to view dolphins from a vessel at
a closer range, although there will be no options other than not taking
a tour at all, as no boats in Hawaii would be able to offer tours
closer than 50 yards. Some tour operators may be able to offer
alternative recreational opportunities or amenities as part of a tour
to help offset any loss in demand for tours. For generalized tour boat
operators with a clientele base that does not have a specific goal of
viewing spinner dolphins, the direct economic impact of the proposed
action is likely to be minimal.
NMFS concludes that there would be disproportionate impacts to the
swim-with-wild-dolphin tour operators from implementation of this
preferred alternative relative to all other general wildlife viewing
tour operators. Similarly, because of the focus of activities, it is
also likely that the dolphin watch tour industry will face greater
impacts than the generalized wildlife tour companies. As a result,
dolphin-watch tour entities may face disproportionate impacts relative
to the generalized commercial boat tour companies, which are likely to
incur few direct economic impacts from the proposed action. We note
that dolphin watch tour entities are all believed to be small entities,
and most of the generalized commercial boat tour companies are as well,
although a few might be considered large entities with revenues
exceeding $7.5 million.
NMFS considered other alternatives in addition to the swim-with and
50-yard approach regulations in this proposed rule (i.e., Alternative
3a). These include 1) no action; 2) swim-with regulations; 3b) swim-
with and 100-yard (91.4 m) approach regulations; 4) mandatory time-area
closures and swim-with and approach regulations; and 5) voluntary time-
area closures and swim-with and approach regulations. As is the case
for this proposed action, Alternatives 2, 3b, 4, and 5 would all be
applicable within 2 nm of each MHI and in designated waters between the
islands of Lanai, Maui, and Kahoolawe. Among the non-selected action
alternatives, only Alternative 2 (no swimming with Hawaiian spinner
dolphins) would result in a lower direct economic impact to small
entities. While the restriction on swimming with dolphins would address
one threat to Hawaiian spinner dolphin population, this alternative
would not address the remaining documented threats to dolphin
populations caused by close approach by vessels and other craft.
Section 4.2.2 of the DEIS provides more detail. The remaining non-
selected action alternatives would most likely result in a higher
economic impact to individual small entities and the dolphin-viewing
industry as a whole, relative to the preferred alternative of this
proposed action. NMFS has determined that the proposed action meets the
goals and objective of reducing human-caused disturbances that Hawaiian
spinner dolphins are facing in their natural habitat, and helps protect
against declines in the fitness of the population over time.
No additional reporting, record keeping, and other compliance
requirements are anticipated for small businesses. NMFS has identified
no Federal rules that may duplicate, overlap, or conflict with the
action alternatives.
Executive Order 12866
This proposed rule was determined to be not significant for
purposes of E.O. 12866.
Paperwork Reduction Act
The purpose of the Paperwork Reduction Act is to minimize the
paperwork burden for individuals, small businesses, educational and
nonprofit institutions, and other persons resulting from the collection
of information by or for the Federal government. The preferred
alternative includes no new collection of information, so further
analysis is not required.
National Historic Preservation Act (NHPA)
The goal of the National Historical Preservation Act (NHPA; 16
U.S.C. 470 et seq.) is to have Federal agencies act as responsible
stewards of our nation's resources when their actions affect historic
properties. Section 106 of the NHPA requires Federal agencies to take
into account the effects of undertakings they carry out, assist, fund,
or permit on historic properties. Federal agencies meet this
requirement by completing the section 106 process set forth in the
implementing regulations, ``Protection of Historic Properties,'' 36 CFR
part 800. The goal of the section 106 process is to identify and
consider historic properties (or sites eligible for listing) that might
be affected by an undertaking, and to attempt to resolve any adverse
effects through consultation. The process provides for participation by
State Historic Preservation Officers, Tribal Historic Preservation
Officers, tribal, state and local governments, Indian tribes and Native
Hawaiian organizations, applicants for Federal assistance, permits, or
licenses, representatives from interested organizations, private
citizens, and other members of the public. Federal agencies and
consulting parties strive to reach agreement on measures to avoid,
minimize, and mitigate adverse effects on historic properties and to
find a balance between project goals and preservation objectives.
Under the NHPA, an ``effect'' means an alteration to the
characteristics of a historic property qualifying it for inclusion or
eligibility for the National Register. The proposed swim-with and
approach regulations for Hawaiian spinner dolphins, if finalized, would
not have the potential to cause effects on or alterations to the
characteristics of historic properties. Therefore, section 106
consultation is not required.
Coastal Zone Management Act
Section 307(c)(1) of the Federal Coastal Zone Management Act of
1972 requires that all Federal activities that affect any land or water
use or natural resource of the coastal zone be consistent with approved
state coastal zone management programs to the maximum extent
practicable. We have determined that these proposed swim-with and
approach regulations are consistent to the maximum extent practicable
with the enforceable policies of the approved Coastal Zone Management
Program of Hawaii. This determination, a copy of this document, and the
DEIS will be submitted for review by the Hawaii Coastal Zone Management
Program.
Executive Order 13132, Federalism
E.O. 13132 requires agencies to take into account any federalism
impacts of regulations under development. It includes specific
consultation directives for situations in which a regulation may
preempt state law or impose substantial direct compliance costs on
state and local governments (unless required by statute). NMFS has
determined that the proposed swim-with and approach regulations do not
have federalism implications.
Information Quality Act (IQA)
Pursuant to Section 515 of Public Law 106-554 (the Information
Quality Act), this information product has undergone a pre-
dissemination review by NMFS. The signed Pre-dissemination Review and
Documentation Form is on file with the NMFS Pacific Islands Regional
[[Page 57874]]
Office (see FOR FURTHER INFORMATION CONTACT).
List of Subjects in 50 CFR Part 216
Administrative practice and procedure, Marine mammals.
Dated: August 19, 2016.
Samuel D. Rauch III,
Deputy Assistant Administrator for Regulatory Programs, National Marine
Fisheries Service.
For the reasons set out in the preamble, 50 CFR part 216 is
proposed to be amended as follows:
PART 216--REGULATIONS GOVERNING THE TAKING AND IMPORTING OF MARINE
MAMMALS
0
1. The authority citation for part 216 continues to read as follows:
Authority: 16 U.S.C. 1361 et seq.
0
2. Add Sec. 216.20 to subpart B to read as follows:
Sec. 216.20 Special restrictions for Hawaiian spinner dolphins.
(a) Applicability. The following special restrictions designed to
protect Hawaiian Spinner Dolphins apply:
(1) In all waters within 2 nautical miles of the main Hawaiian
Islands, and
(2) In all waters located between the islands of Lanai, Maui, and
Kahoolawe enclosed by three line segments that connect points on the 2-
nautical mile boundary between the islands as follows: the straight
line between 20[deg]32'51'' N./156[deg]43'50'' W. and 20[deg]42'4'' N./
156[deg]55'34'' W. between Kahoolawe and Lanai, the straight line
between 20[deg]51'1'' N./156[deg]54'0'' W. and 20[deg]59'48'' N./
156[deg]42'28'' W. between Lanai and Maui, and the straight line
between 20[deg]33'55'' N./156[deg]26'43'' W. and 20[deg]32'15'' N./
156[deg]29'51'' W. between Maui and Kahoolawe (all coordinates
referenced to The World Geodetic System of 1984 (WGS 84)).
(b) Prohibitions. Except as noted in paragraph (c) of this section,
it is unlawful for any person subject to the jurisdiction of the United
States to commit, to attempt to commit, to solicit another to commit,
or to cause to be committed any of the following:
(1) Approach or remain within 50 yards of a Hawaiian spinner
dolphin by any means;
(2) Swim within 50 yards of a Hawaiian spinner dolphin;
(3) Cause a vessel, person, or other object to approach or remain
within 50 yards of a Hawaiian spinner dolphin; or
(4) Intercept or place a vessel, person, or other object on the
path of a Hawaiian spinner dolphin so that the dolphin approaches
within 50 yards of the vessel, person, or object.
(c) Exceptions. The prohibitions of paragraph (b) of this section
do not apply to:
(1) Any person who inadvertently comes within 50 yards of a
Hawaiian spinner dolphin or is approached by a spinner dolphin,
provided the person makes no effort to engage or pursue the animal and
takes immediate steps to move away from the animal;
(2) Any vessel that is underway and is approached by a Hawaiian
spinner dolphin, provided the vessel continues normal navigation and
makes no effort to engage or pursue the animal;
(3) Any vessel transiting to or from a port, harbor, or in a
restricted channel when a 50-yard distance will not allow the vessel to
maintain safe navigation;
(4) Vessel operations necessary to avoid an imminent and serious
threat to a person or vessel;
(5) Activities authorized through a permit or authorization issued
by the National Marine Fisheries Service to take Hawaiian spinner
dolphins; and
(6) Federal, State, or local government vessels, aircraft,
personnel, and assets when necessary in the course of performing
official duties.
(d) Affirmative defense. In connection with any action alleging a
violation of this section, any person claiming the benefit of any
exemption, exception, or permit listed in paragraph (c) of this section
has the burden of proving that the exemption or exception is
applicable, or that the permit was granted and was valid and in force
at the time of the alleged violation.
(e) Maps of areas for Hawaiian spinner dolphin special
restrictions. The following are overview maps and a table with
corresponding coordinate data for the areas for Hawaiian spinner
dolphin special restrictions.
[[Page 57875]]
[GRAPHIC] [TIFF OMITTED] TP24AU16.128
[[Page 57876]]
[GRAPHIC] [TIFF OMITTED] TP24AU16.129
Table 1--Coordinates for the Extent of the Designated Waters Between Lanai, Maui, and Kahoolawe (see Figure 2)
[All coordinates referenced to The World Geodetic System of 1984 (WGS 84)]
----------------------------------------------------------------------------------------------------------------
Line segment between islands Figure 2 label Latitude Longitude
----------------------------------------------------------------------------------------------------------------
Kahoolawe and Lanai.................. A1.................... 20[deg]32'51'' N. 156[deg]43'50'' W.
A2.................... 20[deg]42'4'' N. 156[deg]55'34'' W.
Lanai and Maui....................... B1.................... 20[deg]51'1'' N. 156[deg]54'0'' W.
B2.................... 20[deg]59'48'' N. 156[deg]42'28'' W.
Maui and Kahoolawe................... C1.................... 20[deg]33'55'' N. 156[deg]26'43'' W.
C2.................... 20[deg]32'15'' N. 156[deg]29'51'' W.
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[FR Doc. 2016-20324 Filed 8-23-16; 8:45 am]
BILLING CODE 3510-22-C