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<br />" <br />~ <br /> <br />~::J <br /> <br />el ~-c. <br />~~d <br /> <br />Study Summary: Reproduction will be assessed using drift-net sampling at <br />six sites. Near shore samples will be taken daily from June through early <br />August. Larval fish numbers will be compared with ISMP data to assess <br />survival of young Colorado squawfish. <br /> <br />Title: <br /> <br />Evaluation of Gunnison River flow manipulation upon availability <br />and quality of nursery habitat for Colorado squawfish in the <br />Colorado River <br /> <br />Scope of Work Number: C <br />Hypothesis: 7, 8 <br />Task: 2 <br /> <br />Cooperating Agencies: Utah Division of Wildlife Resources, Colorado Division <br />of Wildlife, U.S. Fish and Wildlife Service <br /> <br />FY 93 Cost: $90,000 <br /> <br />Study Summary: Two study sections will be selected within the reaches <br />sampled by ISMP. All backwaters within the study sections will be sampled <br />intensively in July and September. Physical and biological habitat <br />characteristics will be measured at each backwater to distinguish habitat <br />variables that are important to Colorado squawfish. Quality and quantity of <br />backwaters will be related to streamflow characteristics. <br /> <br />Title: <br /> <br />Flow effects on young-of-the-year Colorado squawfish and sympatric <br />speci es <br /> <br />Scope of Work Number: D <br />Hypotheses: I, 2, 3 <br />Tasks: I, 3, 4, 5, and 6 <br />Cooperating Agencies: Fish <br />Resources <br /> <br />and Wildlife Service, Utah Division of Wildlife <br /> <br />FY 93 Cost: $49,780 <br /> <br />Study Summary: Larval fishes will be sampled using fine-mesh dip nets. <br />Distribution and relative abundance of larvae collected here will be <br />compared with drift-net samples to evaluate the effectiveness of the <br />techniques. All sympatric species collected during ISM? sampling will be <br />identified to better assess the relative abundance of these species. ISMP <br />sampling will be conducted in the spring to assess the over-winter survival <br />of age-O Colorado squawfish. <br /> <br />7 <br />