OAR 350-081-0270
Review Uses — Forest Land
(1)
The following uses may be allowed on lands designated Commercial Forest Land or Large or Small Woodland, subject to compliance with guidelines for the protection of scenic, cultural, natural, and recreation resources (350-081-0520 (General Management Area Scenic Review Criteria) through 350-081-0620 (Special Management Area Recreation Resource Review Criteria)):(a)
On lands designated Large Woodland, a single-family dwelling upon a demonstration that all of the following conditions exist:(A)
The dwelling will contribute substantially to the growing, propagation, and harvesting of forest tree species. The principal purpose for locating a dwelling on lands designated Large Woodland is to enable the resident to conduct efficient and effective forest management. This requirement indicates a relationship between ongoing forest management and the location of a dwelling on the subject parcel. A dwelling may not always be required for forest management.(B)
The subject parcel has been enrolled in the appropriate state’s forest assessment program.(C)
A plan for management of the parcel has been approved by the Oregon Department of Forestry or the Washington Department of Natural Resources and the appropriate local government. The plan must indicate the condition and productivity of lands to be managed; the operations the owner will carry out (thinning, harvest, planting, etc.); a chronological description of when the operations will occur; estimates of yield, labor and expenses; and how the dwelling will contribute toward the successful completion of the operations.(D)
The parcel has no other dwellings that are vacant or currently occupied by persons not engaged in forestry and that could be used as the principal forest dwelling.(E)
The dwelling complies with the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)).(F)
A declaration has been signed by the landowner and recorded into county deeds and records specifying that the owners, successors, heirs, and assigns of the subject parcel are aware that adjacent and nearby operators are entitled to carry on accepted farm or forest practices on lands designated Commercial Forest Land, Large or Small Woodland, or Large-Scale or Small-Scale Agriculture.(b)
On lands designated Small Woodland, one single-family dwelling on a legally created parcel upon the parcel’s enrollment in the appropriate state’s forest assessment program. Upon a showing that a parcel cannot qualify, a parcel is entitled to one single-family dwelling. In either case, the location of a dwelling shall comply with the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)). A declaration shall be signed by the landowner and recorded into county deeds and records specifying that the owners, successors, heirs, and assigns of the subject parcel are aware that adjacent and nearby operators are entitled to carry on accepted farm or forest practices on lands designated Commercial Forest Land, Large or Small Woodland, or Large-Scale or Small-Scale Agriculture.(c)
One single-family dwelling if shown to be in conjunction with and substantially contributing to the current agricultural use of a farm. Guideline 350-081-0190 (Review Uses — Agricultural Land)(1)(h) shall be used to determine whether a dwelling is a farm dwelling. The siting of the dwelling shall comply with the “Approval Criteria for Fire Protection” in 350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations).(d)
Temporary onsite structures that are auxiliary to and used during the term of a particular forest operation. “Auxiliary” means a use or alteration of a structure or land that provides help or is directly associated with the conduct of a particular forest practice. An auxiliary structure is located onsite, is temporary in nature, and is not designed to remain for the forest’s entire growth cycle from planting to harvesting. An auxiliary use is removed when a particular forest practice has concluded.(e)
Temporary portable facility for the primary processing of forest products grown on a parcel of land or contiguous land in the same ownership where the facility is to be located. The facility shall be removed upon completion of the harvest operation.(f)
Resource enhancement projects for the purpose of enhancing scenic, cultural, recreation and/or natural resources, subject to the guidelines in “Resource Enhancement Projects” (350-081-0104 (Resource Enhancement Projects)). These projects may include new structures (e.g., fish ladders, sediment barriers) and/or activities (e.g., closing and revegetating unused roads, recontouring abandoned quarries).(g)
Structures associated with hunting and fishing operations.(h)
Towers and fire stations for forest fire protection.(i)
Agricultural structures, except buildings, in conjunction with agricultural use, subject to the “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)).(j)
Agricultural buildings in conjunction with current agricultural use and, if applicable, proposed agricultural use that a landowner would initiate within one year and complete within five years, subject to the “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)) and the standards in "Agricultural Buildings” (350-081-0090 (Agricultural Buildings)).(k)
Accessory structures for an existing or approved dwelling that are not otherwise allowed outright, eligible for the expedited development review process, or allowed in (1)(l) or (1)(m) below.(l)
Accessory building(s) larger than 200 square feet in area or taller than 10 feet in height for a dwelling on any legal parcel less than or equal to 10 acres in size are subject to the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)) and the following additional standards:(A)
The combined footprints of all accessory buildings on a single parcel shall not exceed 1,500 square feet in area. This combined size limit refers to all accessory buildings on a parcel, including buildings allowed without review, existing buildings and proposed buildings.(B)
The height of any individual accessory building shall not exceed 24 feet.(m)
Accessory building(s) larger than 200 square feet in area or taller than 10 feet in height for a dwelling on any legal parcel larger than 10 acres in size are subject to the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)) and the following additional standards:(A)
The combined footprints of all accessory buildings on a single parcel shall not exceed 2,500 square feet in area. This combined size limit refers to all accessory buildings on a parcel, including buildings allowed without review, existing buildings and proposed buildings.(B)
The footprint of any individual accessory building shall not exceed 1,500 square feet.(C)
The height of any individual accessory building shall not exceed 24 feet.(n)
The temporary use of a mobile home in the case of a family hardship, subject to the guidelines for hardship dwellings in “Temporary Use — Hardship Dwelling” (350-081-0092 (Temporary Use — Hardship Dwelling)) and the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-031-0300).(o)
A second single-family dwelling for a farm operator’s relative, subject to 350-081-0190 (Review Uses — Agricultural Land)(1)(k) and the “Approval Criteria for Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)).(p)
Private roads serving a residence, subject to the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)).(q)
Recreation development, subject to the guidelines established for the recreation in-tensity classes (350-081-0610 (General Management Areas Recreation Resource Review Criteria)) and the Recreation Development Plan (Management Plan, Part III, Chapter 1).(r)
Construction or reconstruction of roads or modifications not in conjunction with forest use or practices.(s)
Agricultural labor housing, under the following conditions:(A)
The proposed housing is necessary and accessory to a current agricultural use.(B)
The housing shall be seasonal, unless it is shown that an additional full-time dwelling is necessary to the current agricultural use of the subject agricultural unit. Seasonal use shall not exceed 9 months.(C)
The housing shall be located to minimize the conversion of lands capable of production of farm crops and livestock, and shall not force a significant change in or significantly increase the cost of ac-cepted agricultural practices employed on nearby lands devoted to agricultural use.(t)
On lands designated Commercial Forest Land, a temporary mobile home in conjunction with a timber operation, upon a finding that security personnel are required to protect equipment associated with a harvest operation or to protect the subject forest land from fire. The mobile home must be removed upon completion of the subject harvest operation or the end of the fire season. The placement of the mobile home is subject to the “Approval Criteria for the Siting of Dwellings on Forest Land” (350-081-0310 (Approval Criteria for Siting of Dwellings on Forest Land in the GMA)) and “Approval Criteria for Fire Protection” (350-081-0300 (Approval Criteria for Fire Protection in GMA Forest Designations)).(u)
On parcels in Small Woodland, a land division creating parcels smaller than the designated minimum parcel size, subject to guidelines for cluster development in “Land Divisions and Cluster Development” (350-081-0124 (Land Divisions and Cluster Development)). If the designated minimum parcel size is 20 acres, this provision will apply to parcels 40 acres in size or larger. Similarly, if the designated minimum parcel size is 40 or 80 acres, this provision will apply to parcels 80 acres or larger or 160 acres or larger, respectively.(v)
New cultivation, subject to compliance with guidelines for the protection of cultural resources (350-081-0540 (General Management Area Cultural Resource Review Criteria)) and natural resources (350-081-0560 (General Management Area Wetland Review Criteria) through 350-081-0590 (General Management Areas Rare Plant Review Criteria)).(w)
Life estates, subject to the guidelines in “Approval Criteria for Life Estates” (350-081-0320 (Approval Criteria for Life Estates in Commercial Forest Land or Small or Large Woodland)).(x)
Land divisions in Small Woodland, subject to the minimum lot sizes designated on the Land Use Designation Map. Land divisions in Commercial Forest Land and Large Woodland, subject to the standards and minimum lot sizes in Policies 4 through 9 in the “Land Use Policies” in Part II, Chapter 2: Forest Land of the Management Plan.(y)
Lot line adjustments that would result in the potential to create additional parcels through subsequent land divisions, subject to the guidelines in “Lot Line Adjustments” (350-081-0126 (Lot Line Adjustments)).(z)
Additions to existing buildings greater than 200 square feet in area or greater than the height of the existing building.(aa)
Docks and boathouses, subject to the guidelines in “Docks and Boathouses” (350-081-0096 (Docks and Boathouses)).(bb)
Removal/demolition of structures that are 50 or more years old, including wells, septic tanks and fuel tanks.(cc)
Commercial events on lands designated Large Woodland or Small Woodland, subject to the guidelines in “Commercial Events” (350-081-0108 (Commercial Events)).(dd)
Special uses in historic buildings, subject to the guidelines in “Special Uses in Historic Buildings” (350-081-0114 (Special Uses in Historic Buildings)).(2)
The following uses may be allowed on lands designated SMA Forest subject to review for compliance with scenic, cultural, natural, and recreational resources guidelines (350-081-0520 (General Management Area Scenic Review Criteria) through 350-081-0620 (Special Management Area Recreation Resource Review Criteria)). The use or development shall be sited to minimize the loss of land suitable for the production of forest products:(a)
All review uses allowed for in 350-081-0190 (Review Uses — Agricultural Land)(2).(b)
New cultivation or new agricultural use outside of previously disturbed and regularly worked fields or areas. Clearing trees for new agricultural use is subject to the additional requirements of subsection (2)(x), below.(c)
Railroad and road construction or reconstruction.(d)
Exploration, development, and production of sand, gravel, or crushed rock for the construction, maintenance, or reconstruction of roads used to manage or harvest commercial forest products in the SMA.(e)
Silvicultural nurseries.(f)
Utility facilities for public service, upon a showing that:(A)
There is no alternative location with less adverse effect on Forest Land.(B)
The size is the minimum necessary to provide the service.(g)
Resource enhancement projects for the purpose of enhancing scenic, cultural, recreation and/or natural resources, subject to the guidelines in “Resource Enhancement Projects” (350-081-0104 (Resource Enhancement Projects)). These projects may include new structures (e.g., fish ladders, sediment barriers) and/or activities (e.g., closing and revegetating unused roads, recontouring abandoned quarries).(h)
Fish hatcheries and aquaculture facilities.(i)
Public recreation, commercial recreation, interpretive and educational developments, and uses consistent with the provisions of 350-081-0620 (Special Management Area Recreation Resource Review Criteria).(j)
One single family dwelling on a parcel of 40 contiguous acres or larger if an approved forest management plan demonstrates that such a dwelling is necessary for and accessory to forest uses. The forest management plan shall demonstrate the following:(A)
The dwelling will contribute substantially to the growing, propagation, and harvesting of trees. The principal purpose for allowing a dwelling on forest lands is to enable the resident to conduct efficient and effective management. This requirement indicates a relationship between ongoing forest management and the need for a dwelling on the subject property.(B)
The subject parcel has been enrolled in the appropriate state’s forest assessment program.(C)
A plan for management of the parcel has been approved by the Oregon Department of Forestry or the Washington Department of Natural Resources and the appropriate county. The plan must indicate the condition and productivity of lands to be managed; the operations the owner will carry out (thinning, harvest, planting, etc.); a chronological description of when the operations will occur; estimates of yield, labor, and expenses; and how the dwelling will contribute toward the successful management of the property.(D)
The parcel has no other dwellings that are vacant or currently occupied by persons not engaged in forest management of the subject parcel.(E)
The dwelling complies with county dwelling, siting, and state/county fire protection guidelines.(F)
A declaration has been signed by the landowner and recorded into county deeds and records specifying that the owners, successors, heirs, and assigns of the subject property are aware that adjacent and nearby operations are entitled to carry on accepted agricultural or forest practices.(k)
Accessory structures for an existing or approved dwelling that are not otherwise allowed outright, eligible for the expedited development review process, or allowed in (2)(l) or (2)(m), below.(l)
Accessory building(s) larger than 200 square feet in area or taller than 10 feet in height for a dwelling on any legal parcel less than or equal to 10 acres in size are subject to the following additional standards:(A)
The combined footprints of all accessory buildings on a single parcel shall not exceed 1,500 square feet in area. This combined size limit refers to all accessory buildings on a parcel, including buildings allowed without review, existing buildings and proposed buildings.(B)
The height of any individual accessory building shall not exceed 24 feet.(m)
Accessory building(s) larger than 200 square feet in area or taller than 10 feet in height for a dwelling on any legal parcel larger than 10 acres in size are subject to the following additional standards:(A)
The combined footprints of all accessory buildings on a single parcel shall not exceed 2,500 square feet in area. This combined size limit refers to all accessory buildings on a parcel, including buildings allowed without review, existing buildings and proposed buildings.(B)
The footprint of any individual accessory building shall not exceed 1,500 square feet.(C)
The height of any individual accessory building shall not exceed 24 feet.(n)
Home occupations and cottage industries, subject to the “Home Occupations and Cottage Industries” guidelines in 350-081-0098 (Home Occupations and Cottage Industries).(o)
Temporary portable facilities for the processing of forest products.(p)
Towers and fire stations for forest fire protection.(q)
Community facilities and nonprofit facilities related to forest resource management.(r)
Expansion of existing nonprofit group camps, retreats, or conference or education centers, necessary for the successful operation of the facility on the dedicated site. Expansion beyond the dedicated site shall be prohibited.(s)
On a parcel of 40 acres or greater with an existing dwelling, the temporary use of a mobile home in the case of a family hardship, subject to the guidelines for hardship dwellings in “Temporary Use – Hardship Dwelling” (350-081-0092 (Temporary Use — Hardship Dwelling)).(t)
Additions to existing buildings greater than 200 square feet in area or greater than the height of the existing building.(u)
Docks and boathouses, subject to the guidelines in “Docks and Boathouses” (350-081-0096 (Docks and Boathouses)).(v)
Removal/demolition of structures that are 50 or more years old, including wells, septic tanks and fuel tanks.(w)
Disposal sites managed and operated by the Oregon Department of Transportation, the Washington State Department of Transportation, or a Gorge county public works department for earth materials and any intermixed vegetation generated by routine or emergency/disaster public road maintenance activities within the Scenic Area, subject to compliance with the guidelines in “Disposal Sites for Spoil Materials from Public Road Maintenance Activities” (350-081-0106 (Disposal Sites for Spoil Materials from Public Road Maintenance Activities)).(x)
Clearing trees for new agricultural use with the following steps and subject to the following additional guidelines:(A)
A Stewardship Plan shall be submitted and deemed complete by the Executive Director and submitted to the Forest Service for review. 350-081-0270 (Review Uses — Forest Land)(2)(y)(C).(B)
Clearing trees for new agricultural use shall be limited to 15 acres.(C)
If the Stewardship Plan proves that the above guideline is detrimental to the proposed agricultural use, the final size of the clearing shall be determined by the application of 350-081-0270 (Review Uses — Forest Land)(2)x)(D)(i-iv) below and subject to guideline 350-081-0270 (Review Uses — Forest Land)(2)(x)(I).(D)
After a 30-day public comment period, the Forest Service shall review the Stewardship Plan using the following criteria:(i)
Scenic Resource guidelines in 350-081-0270 (Review Uses — Forest Land)(2)(y)(D)(i) and (vii).(ii)
Applicable guidelines of 350-081-0550 (Special Management Area Cultural Resource Review Criteria), 350-081-0600 (Special Management Areas Natural Resource Review Criteria) and 350-081-0620 (Special Management Area Recreation Resource Review Criteria).(iii)
The Natural Resource Conservation Service (NRCS) soil unit description shall indicate that soils are suitable for the proposed agricultural use. The woodland management tables shall be used as part of the analysis of suitability for both agricultural and forest uses.(iv)
The size, shape and pattern on the landscape of the clearing for the new agricultural use shall blend with the surrounding landscape pattern either because the existing pattern includes agricultural openings or because the new agricultural opening is designed to appear natural.(E)
The Forest Service shall send the review statement to the Executive Director. The Forest Service shall state whether or not the new agricultural use should proceed including any conditions that are recommended to be required by the Executive Director.(F)
The Executive Director will accept an application for new agricultural use on forested lands after receipt of a positive review statement from the Forest Service.(G)
The forest practice portion of the new agricultural use shall not be approved by the state forestry department or Executive Director until a decision on the new agricultural use is issued by the Executive Director.(H)
The new agricultural use shall be operational within two years of the time frame described in the approved Stewardship Plan.(I)
New agricultural uses with an approved Stewardship Plan requiring more than 15 acres shall attain the final approved size sequentially. After the first 15 cleared acres is operational, each subsequent clearing shall not occur until the previous clearing is operational.(y)
Forest practices in accordance with an approved forest practices application (see 350-081-0032 (Application for Review and Approval)) and subject to the additional guidelines in 350-081-0270 (Review Uses — Forest Land).(A)
The following information, in addition to general site plan requirements (350-081-0032 (Application for Review and Approval)) shall be required:(i)
Delineate the following on a recent aerial photo or detailed map:(I)
The size, shape, and exact location of the proposed treatment area including any clumps of leave trees to remain. If more than one silvicultural prescription is to be used, code each on the photo.(II)
Other important natural features of the subject parcel such as steep areas, streams, wetlands, rock outcrops, etc.(III)
Road and structure construction and/or reconstruction location.(IV)
Location of proposed rock or aggregate sources.(V)
Major skid trails, landings, and yarding corridors.(VI)
Commercial firewood cutting areas.(VII)
Protection measures for scenic, cultural, natural, and recreation resources, such as road closures.(ii)
Describe the existing forest in terms of species, ages, sizes, landscape pattern (including how it fits into the surrounding landscape pattern) and canopy closure for all canopy layers.(iii)
Describe how the forest practice will fit into the existing landscape pattern and how it will meet scenic and natural resource standards in 350-081-0270 (Review Uses — Forest Land)(2)(y)(D) and 350-081-0270 (Review Uses — Forest Land)(2)(y)(E).(iv)
Written silvicultural prescriptions with projected post-treatment forest condition specified in terms of species, ages, sizes, landscape pattern (including how it fits into the surrounding landscape pattern) and canopy closure for all canopy layers.(v)
Road and structure construction and/or reconstruction design.(vi)
Existing and proposed rock pit development plans.(vii)
A discussion of slash disposal methods.(viii)
A reforestation plan as reviewed by the appropriate state forest practices agency.(B)
As part of the application, flag, stake or mark buffers, any trees or downed wood to be retained or removed (whichever makes the most sense), and areas for placing fill or removing material in preparation for a field visit by the reviewer.(C)
Stewardship Plan Requirements: The following information, in addition to the applicable portions of the forest practice application requirements above and general site plan requirements (350-081-0032 (Application for Review and Approval)) shall be provided:(i)
Outline the long term goals, proposed operations, and future sustainability of the subject parcel.(ii)
Describe the time frame and steps planned to reach the long term goals.(iii)
For Forest Practices, describe how the proposed activities fit into the long term goals and sustainability of the parcel and/or forest health. The following shall be addressed:(I)
Describe the range of natural conditions expected in the forest in terms of tree species, structure, and landscape pattern.(II)
Describe what the resulting tree species, structure, and landscape pattern will be after the proposed activities.(III)
Give a clear explanation how a deviation from the applicable guidelines may better achieve forest health objectives(IV)
Give a clear explanation how and why the proposed activities will lead the forest towards its range of natural variability and result in reaching sustainability, resiliency to disturbances.(iv)
For clearing trees for new agricultural use, the following shall be addressed in addition to 350-081-0270 (Review Uses — Forest Land)(2)(y)(C)(i) and (ii) above:(I)
Submit NRCS soil unit description and map for each soil unit affected by the proposed clearing or treatment.(II)
Based on the needs of the operation, give a clear explanation as to the exact size of the clearing needed and how it will meet the natural and scenic requirements set forth in 350-081-0270 (Review Uses — Forest Land)(2)(x)(D)(i-iv).(III)
Describe in sufficient detail for evaluation the proposed agricultural use, the improvements needed on the parcel, time line for its establishment, and its marketability.(IV)
Show evidence that an agricultural specialist, such as the county extension agent, has examined and found the proposed agricultural use reasonable and viable.(D)
For forest practices, the following scenic resource guidelines shall apply:(i)
Forest practices shall meet the design guidelines and scenic standards for the applicable landscape setting and zone (See Required SMA Scenic Standards table in 350-081-0530 (Special Management Area Scenic Review Criteria)-(2)(c).(ii)
In the western portion (to White Salmon River) of the SMA Coniferous Woodland Landscape Setting, no more than 8% of the composite KVA viewshed from which the forest practice is topographically visible shall be in created forest openings at one time. The viewshed boundaries shall be delineated by the Forest Service. The Forest Service will also help (as available) in calculating and delineating the percentage of the composite KVA viewshed which maybe created in forest openings at one time.(iii)
In the western portion (to the White Salmon River) of the SMA Gorge Walls, Canyonlands and Wildlands Landscape Setting, no more than 4% of the composite KVA viewshed from which the forest practice is topographically visible shall be in created forest openings at one time. The viewshed boundaries shall be delineated by the Forest Service. The Forest Service will also help (as available) in calculating and delineating the percentage of the composite KVA viewshed which maybe created in forest openings at one time.(iv)
For all other landscape settings, created forest openings visible at one time shall be within the desired range for the vegetation type as set forth in Natural Resources guidelines in 350-081-0270 (Review Uses — Forest Land)(2)(y)(E)(i) through (iii).(v)
Size, shape, and dispersal of created forest openings shall maintain the desired natural patterns in the landscape as set forth in Natural Resources guidelines in 350-081-0270 (Review Uses — Forest Land)(2)(y)(E)(i) through (iii).(vi)
The maximum size of any created forest opening is set forth by the “Desired” vegetation type in the Forest Structure and Pattern Table.(I)
If the treatment is proposed to go beyond the above guideline based on forest health or ecosystem function requirements, a Stewardship Plan shall be required.(II)
If the Stewardship Plan proves that the above guideline is detrimental to either forest health or ecosystem function, the size of the created forest opening shall be within the natural range for the vegetation type as listed in the Desired Forest Structure and Pattern Table for each vegetation type, shall not mimic catastrophic fires, and shall maintain scenic standards.(vii)
Created forest openings shall not create a break or opening in the vegetation in the skyline as viewed from a key viewing area.(E)
Forest practices shall maintain the following in addition to applicable natural resources guidelines in 350-081-0600 (Special Management Areas Natural Resource Review Criteria).(i)
Silvicultural prescriptions shall maintain the desired natural forest stand structures (tree species, spacing, layering, and mixture of sizes) based on forest health and ecosystem function requirements. Forest tree stand structure shall meet the requirements listed in the Desired Forest Structure and Pattern Table for each vegetation type. Forest tree stand structure is defined as the general structure of the forest in each vegetation type within which is found forest openings.(ii)
Created forest openings shall be designed as mosaics not to exceed the limits defined as Desired in the Desired Forest Structure and Pattern Table unless proposed as a deviation as allowed under the scenic resource guideline in 350-081-0270 (Review Uses — Forest Land)(2)(y)(D)(vi).(iii)
Snag and down wood requirements shall be maintained or created as listed in the Desired Forest Structure and Pattern Table for each vegetation type.(iv)
If the treatment is proposed to deviate from the snag and down wood requirements based on forest health or ecosystem function requirements, a Stewardship Plan shall be required and shall show and prove why a deviation from the snag and down wood requirements is required.
Source:
Rule 350-081-0270 — Review Uses — Forest Land, https://secure.sos.state.or.us/oard/view.action?ruleNumber=350-081-0270.