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~~2'3J6 CUMULATIVE IMPACTS ON FOREST MANAGEMENT Restrictions 00 timber harvests would eliminate sustained yield harvest on approximately 24,433 acres of suitable commercial forest lands resulting in a loss 01 733 MBF annually. A total of 34,679 acres of suitable commercial forest lands would be managed for sustained yield production which would result in an annual harvest 01 1,040 MBF. An additional 8,090 acres of suitable woodlands would be available for harvest annually (27,352 acres total), potcntially increasing annual harvest by 165 cords, for a total of 565 cords annually. Other forest products would also be availablc for harvest (Christmas trees, wildings, etc.). IMPACTS ON RECREATION MANAGEMENT IMPACTS FROM PROPOSED MANAGEMENT ACTIONS Impacts from Recreation Management. Improved and additional campground facilities, improved hiking trails, and increased interpretation and visitor contacts would enhance visitor use and their enjoyment and understanding of the Planning Area. Closing areas to OHV use and limiting camping use to designated sites in the Powder horn SRMA would preserve the area's primitive recreational setting. In this alternative, 54,620 fewer acres would be open to OHV use, 14,389 more acres would be closed, and OHV traffic on 40,231 more acres would be limited ( + 5,288 seasonally and + 34,943 acres to designated routes yearlong). Impacts from Locatable Minerals Management. Withdrawing 78,922 acres of federal mineral estate from mineral entry and location would preclude surface disturbance from mining on these lands, 8,980 acres of which have a high likelihood for the occurrence of locatable minerals, and would protect the integrity of recreation settings and experiences. Managing 101,550 acres of lands with a high potential for the likelihood of occurrence of locatable minerals as open to mineral entry and location could ALTERNATIVE D IMPACTS significantly alter recreation settings and experiences throughout the Planning Area. Impacts from Saleable Minerals Management. Potential adverse impacts to recreation settings and e''Periences from mineral material related surface disturbance would be minimhed by mitigating measures applied to disposal authorizations. Extraction of saleable mineral materials could lower scenic quality, thus altering natural settings. Impacts from Wildlife Habitat Management. Improvement of wildlife habitat through land treatment projects, seedings, and stream rehabilitation would result in marginal increases in the numbers of recreationists, primarily fishers and hunters. The protection of potential raptor rest sites in Cochetopa Canyon would significantly reduce the development of recreation facilities in the Cochetopa SRMA. Impacts from Livestock Grazing Management. Prohibiting sheep grazing on 9,456 acres would improve the visual setting and eliminate undesirable odors for users of these lands. Impacts from Wild and Scenic River Study Segment Recommendation. If eventually designated into the National Wild and Scenic Rivers System, awareness of Segment A of the Lake Fork of the Gunnison River and the recognition the stream would receive would result in some increase of motorized vehicular traffic from visitors, and an increase in hikers to Sloan Lake and the American Basin drainage. Opportunities for solitude would be diminished, and other visitors may choose different lands for recreation experiences in a less crowded environment. Impacts from Visual Resource Management. Raising VRM Class objectives on nearly the entire planning area would at least maintain the present ROS setting and in most areas would enhance scenic quality for related recreational uses. Impacts from Historical Resource Management. The identification, stabilization and interpretation of historical resources would significantly enhance the setting and experience of rccreation visitors. 4-51