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<br />oc.. <br /> <br />No. : <br /> <br />RECOVERY IMPLEMENTATION PROGRAM <br />FOR THE ENDANGERED FISH SPECIES <br />IN THE UPPER COLORADO RIVER BASIN <br /> <br />FY 1995 <br />SCOPE-OF-WORK <br /> <br />Lead Agency: u.s. Fish and Wildlife Service <br /> <br />Cateqorv (check one): <br />X Ongoing project <br />- - Requested new start <br />Outside funding <br />Unsolicited project <br />_X_ Capital improvement <br /> <br />Submitted by: Timothy Modde and David Irving <br />Colorado River Fishery Project <br />Address: 266 West 100 North, Suite 2 <br />Vernal, Utah 84078 <br />Phone: 801-789-0354 <br /> <br />Date: January 13, 1995 <br /> <br />I. Title of Proposal: <br /> <br />Use of Old Charlie Wash as a nursery site for young razorback <br />suckers. <br /> <br />II. Relationship to RlPRAP: <br /> <br />-GREEN RIVER ACTION PLAN: MAINSTEM <br />ACTIVITY II. RESTORE HABITAT <br />II.A. Restore and manage flooded bottomland habitat. <br /> <br />111. Study Goal s: <br /> <br />8ackqround <br /> <br />Historically, upper Colorado River basin floodplains were inundated <br />each year by spring runoff, but today much of the river is <br />channelized by levees, dikes, rip-rap, and tamarisk. The lack of <br />access to bottomlands has been exacerbated by the reduction in <br />spring flows due to upstream impoundments. Numerous studies have <br />suggested the importance of seasonal flooding to river productivity. <br />Because these areas are more productive and are warmer than main <br />channel habitats, flooded bottomlands are believed to be important <br />rearing sites for underyearling native fishes, and may represent a <br />key factor in restoring recruitment among razorback suckers. <br /> <br />1 <br />