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CHAPTER FOUR Impacts from Wildlife Habitat Management. Wildlife babitat management objectives and restrictions would increase hunting related recreation activities and enhance recreation experiences by increasing numbers of watchable wildlife. Impacts from Flsbery Resources (Aquatic Habitat) Management. Improvements in fISheries would increase fishing use and experiences by providing more and bigger catchable fish. Impacts from Livestock Grazing Management. Not authorizing grazing on about 9,098 acres, and especially in the scenic 1,595 acre American Basin ACEC, would enhance recreation settings and experiences. Impacts from Visual Resource Management. Managing lands totalling 49,872 acres in the Powderhorn Primitive Area SRMA and the American Basin and Dillon Pinnacles ACECs under VRM Class I objectives, and managing lands at Hartman Rocks (6,000 acres) and on High Mesa (4,358 acres) under VRM class II and ill objectives would maintain present ROS settings and could potentially enhance recreation experiences on these highly valued areas. Impacts from Historical Resource Maaagement. The identification, stabiJization, and interpretation of historical resources would significantly enhance the setting and experience of recreation visitors. Impacts from Transportation and Access. Acquisition of public access into eight areas and maintenance of existing routes would increase recreatinnal visitor use, enhance recreation management effectiveness, and would permit access to more public land for recreational activities such as hunting, sightseeing, and OHV use previously precluded. Impacts from Acquisition of Non-Federal Lands. The acquisition of inholdings and lands with significant recreation resources would expand recreational opportunities and would eliminate potential private development. Impacts from Rights-of-Way Management. Excluding rights-of-way on 51,406 acres, m.n'lging 85,387 acres as avoidance areas, and excluding above-ground utilities on an additional 95,624 acres would prevent the lowering or ROS settings on these lands from surface disturbance and vegetation loss from rights-of-way construction. Impacts from Rights-of-Way Con'Mors. Location of additional major above-ground rights-of-way in the designated corridor along the Lake Fork of the Gunnison River near Blue Mesa Reservoir wnuld lower ROS settings by decreasing scenic quality. CUMULATIVE IMPACTS ON RECREATION MANAGEMENT Improved recreation facilities and development of additional campgrounds would increase the number of visitors to the Planning Area by an estimated 40% over the ~e of the plan. Public lands would be intensively managed for a wide variety of recreation opportunities and activities. Locatable mineral activity and above-ground rights-of-way development would result in deterioration of recreation settings if these lands are developed and a loss of actual recreation opportunities on the affected lands. About 9,923 fewer acres would be open to OHV use, 5,415 more acres would be closed, 279 fewer acres would have OHV use limited seasonally, and 4,787 more acres would have OHV use limited to designated routes yearlong. The changes in OHV designations would result in fewer acres being accessible to OHV users. Opportunities for solitude would increase on these affected lands, however. IMPACTS ON OUTSTANDINGLY REMARKABLE SCENIC VALUES IN SEGMENT A, LAKE FORK OF THE GUNNISON RIVER WILD AND SCENIC RIVER STUDY CORRIDOR IMPACTS FROM PROPOSED MANAGEMENT ACTIONS Impaets from the Recommendation. In this alternative, the 13.3 mile-long Segment A of the Lake Fork of the Gunnison River from Sloan Lake 4-70