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n " r, ., c:: 8 JJ~~"';J' IMPACTS ON FOREST MANAGEMENT IMPACTS FROM PROPOSED MANAGEMENT ACTIONS Impacts Crom Forest Management Approximately 58,959 acres of suitable commercial forest lands and 19,262 acres of suitable woodlands would be available for harvest. This would result in an annual harvest of about 1,770 MBF of commercial forest products and 400 cords of fuelwood. Impacts from Livestock Grazing Management Livestock utilization and trampling of approximately 400 acres of seedling areas would increase the amount of lands classified as poorly stocked areas from 400 acres to 600 acres during the life of the plan. Impacts from Recreation Management. Increasing recreational use on High Mesa would create a serious safety hazard along the switchbacks on the High Mesa Road between logging trucks coming downhill and recreational vehicles going uphill. Impacts from Disposal of Public Lands. A total of 153 acres of suitable commercial forest lands would be lost due to public land disposal. This would result in 3 MBP annually being unavailable for harvest on public lands. CUMULATIVE IMPACTS ON FOREST MANAGEMENT A total of 58,959 acres of suitable commercial forest lands and 19,262 acres of suitable woodlands would be available for sustained yield production. This would result in an annual harvest of 1,770 MBF of commercial timber and 400 cords of firewood, and other forest products. IMPACTS ON RECREATION MANAGEMENT IMPACTS FROM PROPOSED MANAGEMENT ACTIONS Impacts from Recreation Management. Improved and increased campground facilities, improved hiking trails, and increased visitor contacts would enhance ALTERNATIVE C IMPACTS visitor use, and the enjoyment and understanding of resources in the Planning Area. Designating semi-primitive non-motorized and primitive areas totalling about 48,033 acres in the Powderhorn SRMA as open to off-highway vehicle use would alter the setting of these areas to semi- primitive motorized. This change would result in a loss of recreation opportnnities for some visitors, and would decrease backcountry recreation experiences, and other lands would have to be used for back country recreation. Increased OHV recreational use would occur, compared to Alternative A, as a result of 135,789 more acres that would be open to OHV use, 42,862 fewer acres that would be closed, and the elimination of the "limited yearlong to designated routes" designation on 92,927 acres. Impacts from Locatable Minerals Management If mining and associated activity occurs that results in reduced scenic quality, increases in noise, displaced wildlife, natural settings being altered, restricted public access and increases in heavy truck traffic, affected lands would have to be managed for less restrictive ROS setting<, and a loss of actual recreation opportunities for some visitors would occur. The changes would decrease back country recreation experiences, resulting in other lands being sought out and used for this recreation activity. These changes would be most apt to occur, and would be ~os~ pronounced on about 88,663 acres with a high likelihood for the occurrence of locatable minerals in the area south and west of Lake City. Impacts trom Saleable Minerals Management. Surface disturbance from extraction of saleable mineral materials that reduces scenic quality and alters natural setting< would result in lands being managed for less restrictive ROS setting< and a decrease in recreation experiences and use. Impacts from Wildlife Habitat Management. M~taining and improving wildlife habitat and fishery habItat would result in marginal increases in the numbers of recreationists, primarily fishers, wildlife watchers, and hunters. Impacts from Livestock Grazing Management. Extensive land treatment projects that occur in or 4-35