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<br />RESOURCE USE <br /> <br />For <br /> <br />WILDLIFE HABITAT (Con.) <br /> <br />Description of Area: <br /> <br />VirRin Valley Subevaluation Unit, Arizona, Nevada, Utah <br /> <br />Parameters <br /> <br />Unit <br /> <br />Pr.._t <br />Conditiona <br /> <br />Future Conditions <br />Plaanin Alternatives <br />Future <br />Without 1 2 <br /> <br />1/ <br />Ten acres of Type 2- wetlands are adversly impacted by Alternative 2. This <br />loss accounts for about 0.1 percent of the 7,400 acres of all types of wetland. <br />The ten acres lost are adjacent to off-farm canals and onfarm ditches. Other <br />lacustrine habitat wetlands (Types 4, 5 and 11) and palustrine habitat wetlands <br />(Type 9) adversly impacted by Alternative 2 onfarm water management total ten <br />acres. Wetland losses are mitigated with an equivalent 40 acre-value upland <br />habitat gain (improvement) and improved wildlife habitat enhancement on 2,000 <br />acres consisting of irrigated cropland, pasture land and adjacent privately <br />owned uplands. Enhancement of wildlife habitat on irrigated land results from <br />consideration of wildlife in farming operations. Cost totals $22,000 for the <br />recommended program. <br /> <br />Type I (fresh water) wetlands in the program area are estimated to total <br />about 20 acres. Irrigation water management of the proposed future condition <br />planning alternstives would not measurably influence these wetlands. <br /> <br />1/ Wetland types after "Circular 39, U.S. Fish and Wildlife Service Classifi- <br />cstion. <br /> <br />A-23 <br /> <br />.r~4'~ <br />\.! U \..~, . 't <br />