Oregon Administrative Rules
Chapter 629 - DEPARTMENT OF FORESTRY
Division 643 - WATER PROTECTION RULES: VEGETATION ALONG STREAMS
Section 629-643-0141 - Western Oregon; Small Forestland Owner Minimum Management Option Prescription
Current through Register Vol. 63, No. 9, September 1, 2024
(1) The purpose of this rule is to provide the small forestland owner minimum option prescription for vegetation retention in Western Oregon riparian areas, as shown in Table 3.
Table 3: Western Oregon Small Forestland Owner Minimum Option Vegetation Retention Riparian Management Area Distances
Stream Type |
Large |
Medium |
Small |
Upstream distance |
Type SSBT |
100 feet |
80 feet |
60 feet |
N/A |
Type F |
100 feet |
70 feet |
50 feet |
N/A |
Type N |
70 feet |
50 feet |
See Type Np | |
Type Np, into Type SSBT |
35 |
RH Max = 1,150 feet |
||
Type Np, into Type F |
35 |
RH Max = 600 feet |
||
Type D |
75 feet |
75 feet |
35 or 20 feet1 |
See OAR 629-643-0150 |
1 Upstream distance from either Type F or Type SSBT
2 20 feet outside of Type Np vegetation retention requirements
(2) The small forestland owner shall apply the vegetation retention requirements to the riparian management areas of Type F, Type SSBT, and Type N streams. All other requirements for the standard practice prescription rules shall apply.
(3) The small forestland owner shall retain all trees and vegetation within the distances shown in Table 3, measured from the edge of the active channel or the channel migration zone, if a channel migration zone is present.
(4) For small Type Np streams flowing into a Type SSBT stream, the small forestland owner shall retain all trees as follows:
(5) For small Type Np streams flowing into a Type F stream, the small forestland owner shall retain all trees as follows:
(6) For Type Np and Type Ns streams outside the tree retention area described in this rule, the small forestland owner shall follow all other Type N ELZ standard practice requirements as described in OAR 629-643-0105.
(7) The small forestland owner may count retained trees within harvest type 2 or harvest type 3 units, pursuant to ORS 527.676, as follows:
Statutory/Other Authority: ORS 527.710, Section 2(1), Chapter 33, Oregon Laws 2022
Statutes/Other Implemented: ORS 527.715, 527.765, Section 2(2), Chapter 33, Oregon Laws 2022