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<br />~. ... r .. <br />UJ'JU <br /> <br />habitat which does not offer good visibility and shallow, open <br />sandbars (Fish and Wildlife Service, 1977). <br /> <br />Historically, wet meadows adjacent to the Platte River have been lost <br /> <br />to crop producti on, sand and gravel mini ng, gol f courses, busi nesses, <br /> <br />and highways (Fish and Wildlife Service, 1977). Any of these activities <br /> <br />permanently eliminates the value of this habitat type to cranes. This <br /> <br />continuing reduction in quantity of wet meadow habitat is a threat to <br /> <br />the viability of the sandhill crane pOPulae;~s. The cranes depfmd <br />C,)~, "' <br />on the wet meadow habitat for sources ~,:a'niiiil\J protein. Anima1, protein <br />" ' '<,~ - <br />is an essenti a 1 part of the cranes ~/di et',., s~ut3Pl ementi ng the vegetable <br />('. v' <br />fiber supplies by the stubble aop alfalf~fields. <br />< ' ./ <br />, ,./ <br />1 , I <br />Impacts to the River ChanneY" ,//1, <br />r' <br />Effects on the monthly ~d'annualivol ume of streamflow of the Pl atte <br />'-.....: ""'.... <br />River at Overton were esti~ed using the Bureau of Reclamation model. <br /> <br />The estimated post-Narrows flows of the South Platte River at Julesburg <br /> <br />were used. Other flow data incorporated in the "with" Narrows study <br /> <br />reflected the "near future condition" of development upstream of <br /> <br />Lewellan and within the modeled reach of the river. <br /> <br />Figure ____ shows the average annual, January-April, and May-August flows <br /> <br /> <br />at various locations within the modeled area for the period 1947-1970 <br /> <br />under the "with" Narrows condition. <br /> <br />If <br /> <br />, <br />