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<br />COLORADO RIVER RECOVERY PROGRAM <br />FY 94 ANNUAL PROJECT REPORT <br /> <br />RECOVERY PROGRAM <br />PROJECT NUMBER: 41 <br /> <br />I. Project Title: Flaming Gorge Studies: Effects of flow regulation and <br />ice on overwinter nursery habitat of age-O Colorado Squawfish in the <br />Green River below Flaming Gorge Dam. <br /> <br />II. Principal Investigators: <br />Leo Lentsch Richard Valdez <br />Utah Div. of Wildlife Resource BIO/WEST, Inc. <br />1596 West North Temple 1063 West 1400 North <br />Salt Lake City, Utah 84116 Logan, UT 84321 <br />(801) 538-4756 Fax: (801) 538-4709 (801) 752-4202 <br />"NRDOMAIN.nrdwr.LLentsch@email.state.UT.US" <br /> <br />II 1. Project Sununary: <br /> <br />This project measures backwaters with age-O Colorado squawfish in fall <br />(September) and winter (January and February) to determine the effect <br />of flow regulation and ice formation on habitat availability. Specific <br />objectives are to: 1) determine availability of free water, and <br />therefore age-O habitat, in ice-covered and frazil-filled backwaters <br />2) determine longevity of backwaters exposed to winter flow regulation <br />and ice formation; 3) determine potential for nursery habitat of <br />Colorado squawfish from Echo Park to Rainbow Park; and 4) recommend <br />winter flows and spring habitat maintenance flows to protect nursery <br />habitat of age-O Colorado squawfish. <br /> <br />IV. Study Schedul e: <br />a. Initial year: 1994 <br />b. Final year: 1996 <br /> <br />V. Relationship to RIPRAP: Green River Action Plan - Green River Above <br />Duchesne River I.A.I. Initially identify year-round flows needed for <br />recovery while providing experimental flows. Green River Below <br />Duchesne River I.B.I. Initially identify year-round flows needed for <br />recovery while providing experimental flows. <br /> <br />VI. Accomplishment of FY 94 Tasks and Deliverables, Discussion of Initial <br />Findings and Shortcomings: 1994 field sampling has been completed and <br />the data have been analyzed. See Attachment A for details. <br /> <br />VIr. Reconunendations: None <br />VII 1. Project Status: On track and on-going. <br />IX. FY 94 Budget <br />A. Funds provided: $ 40,000 <br />B. Funds expended: $ 40,000 <br />C. Difference: $ -0- <br /> <br />X. Status of Data Submission: On track. <br /> <br />Xl. Signed: Leo Lentsch, December 9, 1994. <br />