Table 3-7: Recreation opportunity spectrum class range by prescription. Recreation Opportunity Spectrum (ROS) Classes

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1 Appendix F

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3 Table -7: Recreation opportunity spectrum class range by prescription. Recreation Opportunity Spectrum (ROS) Classes Prescription Primitive Primitive II Roaded Modified Rural Urban Primitive 11 - Wilderness Study Area 11 - Recommended Wilderness 1 - Wild River (b) Research Natural Area 10 - Backcountry 1-01(b) EVOS Acquired Lands 1 - Scenic River 41 - Municipal Watershed 4 - Brown Bear Core Area 44 - Fish and Wildlife Conservation Area 1 - Fish, Wildlife and Recreation 1 - Backcountry 14 - Forest Restoration 1-01(b) Recreational River Developed Recreation Complexes 1 - Minerals (site specific) - Major Transportation / Utility Systems (site specific) ROS Class Range 1 ROS Class Range (may vary depending on existing use at the time of designation) ROS Class Range (only if open to motorized use see Winter and Summer Recreation Access Maps) ROS Class may exist, but will not be managed for Chugach National Forest Revised Land and Resource Management Plan -7

4 Table -8: Recreation opportunity spectrum class characteristics. Social Solitude Level of Encounters 1 ROS Class On Trails / Off Trails / Off Trails / Off On On On Trails On Shorelines Shorelines Shorelines Shorelines Primitive Very to Moderate Very Primitive II Roaded Modified Moderate or sound of campsites or cabins. No more than other parties campsites or cabins 8% of the or sound of campsites or cabins. No more than other parties campsites or cabins 8% of the No more than other parties campsites or cabins 8% of the > 1 parties/day. Six or more other parties may be > 1 parties/day. Six or more other parties may be < parties/day. No < parties/day. No Moderate < 1 parties/day. Six or more other parties may be Moderate < 1 parties/day. Six or more other parties may be Very < 1 party/day. No other parties within sight or sound of Very < 1 party/day. No other parties within sight or sound of Maximum Party Size Degree of Risk and Challenge 1 Very 1 in Rx 11 and 11; 4 in all other Rx s to Moderate 1 Very to Moderate NA NA Rural Very NA NA NA NA Very Urban Very Very NA NA NA NA Very 1 Level of Encounters may be exceeded for up to 1% of the primary use season (approximately 1 day/week average). Applies to Category,, 4, and prescriptions only. Group Size may be exceeded for up to 1% of the primary use season (approximately 1 day/week average). Applies to Category,, 4, and prescriptions only. Chugach National Forest Revised Land and Resource Management Plan -8

5 Table -8 (continued): Recreation opportunity spectrum class characteristics. Managerial Access Facilities and On-Site Controls Trails ROS Class Primitive Primitive II Roaded Modified Surface Access primitive trails, foot primitive trails, foot Primitive trails, snowmachines for traditional activities in CSUs developed trails trails, foot trails, foot, bicycles, roads trails, foot, bicycles, roads Air/Water Access Rural All types All types Urban All types All types On-Site Development None except for recreation cabins primitive campgrounds, no synthetic materials None except for recreation cabins primitive campgrounds, no synthetic materials Facilities for user comfort and convenience Facilities for user comfort and convenience Development Scale 4 On-Site Controls 1 None Few, native materials only 1 None 4 Obvious at areas of high use, minimal elsewhere, rustic style Few, native materials only Obvious rustic style, constructed parking areas, trails Obvious rustic style, constructed parking areas, trails, directional signage Numerous and obvious barriers, parking areas, pedestrian controls Intensive on-site controls Trail Maintenance Infrequent, minimal only to maintain route Annual to bi-annual to Infrequent, minimal only to maintain route maintain route, tread and minimize resource Annual to bi-annual to and minimize resource and minimize resource As needed to insure public safety As needed to insure public safety Management Class 1 to 4 to 4 to 4 4 to See Winter and Summer Recreation Access Maps for information on recreational access. 4 From FSM 0 From Meaningful Measures Chugach National Forest Revised Land and Resource Management Plan -9