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<br />vJW <br /> <br />No. = <br />(for MC use) <br /> <br />RECOVERY IMPLEMENTATION PROGRAM <br />FOR THE ENDANGERED FISH SPECIES <br />IN THE UPPER COLORADO RIVER B~SIN <br /> <br />FY-:L995 <br />SCOPE-OF-WORK <br /> <br />Lead Agency: <br /> <br />U.S. Bureau of Reclamation <br /> <br />Submitted by: <br />Address: <br /> <br />Kathy Holley <br /> <br />Cateoorv (check one) : <br />Ongoing project <br />Requested new start <br />Unsolicited project <br />Outside funding <br />X Capital improvement <br /> <br />Phone: <br /> <br />2764 Compass Drive <br />Grand Junction, Colorado 81506 <br />303-248-0710 <br /> <br />Date: <br /> <br />February 2, 1995 <br /> <br />I. Title of Proposal: Flooded Bottomlands Restoration Program: Site: Walter <br />Walker State Wildlife Area IWWSWA). (Evaluation of contaminant impacts on <br />razorback suckers utilizing restored flooded bottomlands in the Upper Colorado <br />River,) <br /> <br />Proposal submitted by: <br />Kevin J. Buhl and Steven J. Hamilton <br />National Biological Survey <br />Midwest Science Center <br />Yankton Field Research Station <br />RR 1 Box 295 <br />Yankton, SD 57078-9214 <br />605-665-9217 <br /> <br />II. Relationship to RIPRAP: <br /> <br />Colorado River Action Plan: Mainstem <br />II.A.To restore and manage flooded bottomland habitat. <br /> <br />III. Study Goals, Objectives <br />A. Goal: <br /> <br />1. To determine if water quality (i.e. problems with selenium and <br />other inorganic contaminants) at restored sites will be conducive <br />to supporting razorback sucker during their various life stages. <br /> <br />B. Objectives: <br /> <br />1. To determine the flows necessary to reduce elevated concentrations <br />of selenium to acceptable concentrations in water and food <br />organisms and still maintain habitat that is attractive to and <br />suitable for endangered fish. <br /> <br />2. To determine if concentrations of selenium and other inorganic <br />contaminants that are bioaccumulated by razorback sucker adults <br />placed in restored backwater habitat have an adverse affect on <br />their reproductive success. <br /> <br />3. To determine survival, growth and bioaccumulation of selenium in <br />razorback sucker larvae that are placed into restored backwater <br />habitats. <br />