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CHAPTER FOUR channels. The removal of trees in and along fishery streams would reduce shading, increase water temperatures and decrease insect life. Impacts from Recreation Management. The construction of recreation facilities and increased recreational use of fishery streams would cause the loss of, or reduction in quality, of fishery hahitat along 3.5 miles of streams. Impacts from Rights-of-Way Management. Construction of roads and pipetines in or across fishery streams would result in the short-term loss of, or damage to, fishery habitat. CUMULATIVE IMPACTS ON FISHERY RESOURCES (AQUATIC HABITAT) Some fishery habitat would be lost due to mineral activity, timber harvests, recreation construction and use, and rights-of-way facility construction. Construction of roads, removal of trees and decrease in stream bank cover would increase sedimentation, alter stream channeJs, and increase water temperatures. Stream bank and fishery conditions would be expected to improve as a result of implementing livestock management actions and implementing vegetation treatments with measures to reduce soil erosion in uplands. IMPACTS ON LIVESTOCK GRAZING MANAGEMENT IMPACTS FROM PROPOSED MANAGEMENT ACTIONS Impacts from Livestock Grazing Management. AUowing livestock use on 6,909 acres of public land (about 2,000 suitable acres) not currently grazed in unit C- 7 would increase livestock forage aDocations by about 898 AUM's. Implementation nf land treatment projects designed to improve or produce additional livestock forage would potentiaDy increase livestock AUMs by 4,000 AUMs and improve distribution. Impacts from Special Status Plant and Animal Species and Habitat. Not authorizing livestock use on riparian areas in unit C-ll frequented by bald eagles (about 54 suitable acres) would continue these lands as being unavailable for aDocation. Impacts from SoU and Water Resources Management. Implementing vegetation treatment projects designed to reduce soil erosion would improve livestock distribution and livestock forage quality and quantity. About 320 acres in the Wildcat Creek drainage would continue to be unavailable for grazing in order to help maintain Crested Bulle's water supply. Impacts from Wildlife Habitat Management. Implementing vegetation treatment projects designed to improve wildlife habitat would improve livestock distribution and livestock forage quality. Impacts from Recreation Management. Eliminating livestock grazing on 320 acres in aDotment #6401 would decrease livestock forage by 83 AUMs. Impacts from Transportation and Access. Acquiring public access into seven new areas for livestock grazing administration management would improve management of the livestock grazing program but five of the seven would be for public access, which potentially would increase livestock harassment and vandalism of livestock facilities. Impacts from Disposal of Public Lands. Disposal of a total of 7,986 acres of public lands (or about 1,100 suitable acres) which are currently grazed by domestic livestock would reduce available forage by 532 AUMs. CUMULATIVE IMPACTS ON LIVESTOCK GRAZING Increases in livestock AUM's through allocation of forage in additional areas, implementation of land treatment projects designed to increase and improve vegetation production and distribution would be offset by eliminating livestock grazing and disposal of public land. The net affect would be an increase of 4,256 AUMs, resulting in a total 51,684 AUMs of forage being available for allocation. About 519,146 suitable acres would be available for allocation. 4-34