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<br />~ <br /> <br />~ <br /> <br />No. : <br /> <br />~- 'i <br />(for MC use) <br /> <br />RECOVERY l:KPLEllEH'rAXl:ON PROOIUlH <br />FOR THE EHDAHGBRED Fl:SB SPECl:ES <br />l:N THE UPPER COLORADO Rl:VER BASl:N <br /> <br />FY-1993 <br />SCOPE-OF-WORlt <br />RESEARCH PROFOSAL <br /> <br />Lead Agency: <br />Submitted by: <br />Address: <br /> <br />utah Wildlife Resources <br />Leo Lentsch <br />1596 West North Temcle. <br />Salt Lake citv. UT 84116 <br />18011 538-4756 <br />Hav 7. 1991 <br /> <br />Cateaorv Icheck oneIl <br />Ongoing project <br />X Requested Dew start <br />Unsolicited project <br />OUtside funding <br /> <br />Phone: <br />Date: <br /> <br />I. Title of Proposal: <br /> <br />Aspinal Studies: Availability and quality of nursery habitat for <br />COlorado squawfish in the Colorado River <br /> <br />II. Relationship to Recovery Program/Ranking Factors: <br /> <br />Habitat management, monitoring of Colorado squawfish <br /> <br />III. Study Goals, Objectives. End Product: <br /> <br />To determine the relationship between habitat availability at <br />recommended releases from the aspinale unit on the Colorado River (as <br />measured by video imagery). <br /> <br />a) to the habitat actually utilized by young Colorado squawfish and <br />b) to the number of young Colorado squawfish present in the Colorado <br />River during the autumn nursery period. <br /> <br />To determine the usefulness of video imagery as a predictor of year <br />class strength of Colorado squawfish and/or to refine the interpretation <br />of video so that "quality" nursery habitats can be distinguished. <br /> <br />To compare intensive sampling data and the concept of habitat <br />utilization to standardized monitoring data to assess a) ways of <br />refining standardized monitoring procedures and b) ways of making <br />greater use of the data currently being collected. <br /> <br />To coordinate closely with further studies on the operation of the <br />aspinale unit as they are developed to ensure collection of all <br />pertinent data and avoid duplication of effort. <br /> <br />IV. Study area (river miles, if appropriate): <br /> <br />Two study reaches will be selected within the standardized monitoring <br />reaches on the upper and lower Colorado River. Length of these reaches <br />will be based on average number of backwater per river mile and may vary <br />between stations. <br />