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<br />I . <br /> <br />,I "f).~ <br />"j ..it..".c <br /> <br />. <br /> <br />. <br /> <br />The prairie falcon, osprey, .and Mississippi kite appeared <br />on the State or Federal threatened species lists. The <br />reason for the decline of the prairie falcon was never <br />established, but was thought to be due to hard pesticides <br />in some areas and the taking of young for falconry (FWS, <br />1973). <br /> <br />The population has been recovering. Although loss of <br />habitat was apparently .not a. factor in the decline, this <br />falcon should not suffer habitat loss from the Project, and <br />so should not be affected by it. <br /> <br />Pesticide concentration through the food chain was also <br />apparently a factor in the decline of the osprey. There <br />has been some recovery by the population, apparently due <br />to the ban on DDT. The filling of Pueblo Reservoir and <br />enlargement of Clear Creek Reservoir should create addi- <br />tional feeding area for the osprey. In the past, the <br />osprey has also been reported seen near Clear Creek <br />Reservoir. The Mississippi kite is listed as endangered <br />by the Colorado Division of Wildlife (1972). The range <br />of this kite is the south-central states; Colorado is at <br />the western extension of its range. Removal of roost <br />trees on the Arkansas Valley Conduit alinement will be <br />the only possible adverse effect on the kite. There will <br />be very few frees removed, and any effects should not be <br />significant. <br /> <br />The white-faced ibis reportedly breeds in Colorado (FWS, <br />1973). However, it has not been reported within the <br />Project area and should not be affected by development. <br /> <br />Of the remaining species listed at the beginning of this <br />section, none is definitely known to occur in the Project <br />area. Therefore, there should be no primary or second- <br />ary impacts. <br /> <br />p. The major impact on fish will result from the conver- <br />sion of lotic (running water) habitat to lacustrine <br />habitat. An additional 20.5 miles of Colorado streams <br />will be inundated. The total includes 11.5 miles of <br />cold water fishery that had been or is considered to be <br />a fair to excellent fishery. Pueblo Reservoir inundated <br />9 miles of poor qualitywarmwater fishery. These will <br />be replaced by about 4,550 acres of additional lacustrine <br />fishery. <br /> <br />The change in habitat type will most likely not effect <br />a change in the species composition of the fish communities <br />of the areas in itself. However, due to the expected fishing <br /> <br />IV-34 <br />