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<br />. <br /> <br />. <br /> <br />NO: ASPINALL-F <br />(for MC use) <br /> <br />RECOVERY IMPLEMENTATION PROGRAM <br />FOR THE ENDANGERED FISH SPECIES <br />IN THE UPPER COLORADO RIVER BASIN <br /> <br />FY-1994 <br />SCOPE-OF-WORK <br />RESEARCH PROPOSAL <br /> <br />Lead Agency: <br /> <br />Phone: <br /> <br />U.S. Fish & Wildlife Service <br />Colorado River Fishery Project <br />Frank K. Pfeifer, Project Leader <br />Charles W. McAda, Fishery Biologist <br />529 25 1/2 Road, Suite B-110 <br />Grand Junction, Colorado 81505 <br />303-245-9319 <br /> <br />Cate20rv (check one): <br />X Ongoing project <br />Requested new start <br />Unsolicited project <br />Outside funding <br /> <br />Submitted by: <br /> <br />Address: <br /> <br />Date: <br /> <br />April 29, 1993 <br /> <br />I. Title of Proposal: <br /> <br />ASPINALL STUDY--Quantification of svsilable habitat in the Gunnison River <br />in relation to test flows relessed from the Aspinall Unit. <br /> <br />II. Relationship to Recovery Program/Ranking Factors: <br /> <br />Determination of habitat and flow needs for rare fishes of the Colorado <br />River basin is key to the success of the Recovery Implementation Program. <br />Further, quantification of habitat versus flow relationships in the <br />Gunnison River will be critical to the biological opinion to be prepared <br />on operation of the Aspinall Unit. A remanent population of Colorado <br />squawfish is believed to exist in the Gunnison River upstream from the <br />Redlands Diversion Dam. Proposals exist to evaluate fish passage at the <br />Dam and to use the Gunnison River as a reintroduction site for razorback <br />sucker. Quantification of available habitats and identification of areas <br />that may lend themselves to habitat improvement projects are important <br />first steps in the proposed passage or reintroduction efforts. <br /> <br />III. Study Goals, Objectives, End Product <br /> <br />A. Goals: <br /> <br />1. To describe the physical habitats that currently exist in the <br />Gunnison River upstream from Redlands Diversion under various flow <br />regimes. <br /> <br />2. To quantify year-round flows that will maintain and enhance <br />Colorado squawfish and razorback sucker habitat in the Gunnison <br />River upstream from Redlands Diversion. <br />