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<br />. <br /> <br />. <br /> <br />predation; investigate sucker behavior; recommend sizes of <br />razorback at stocking to maximize successful augmentation. <br /> <br />Proposal 8. "Availability, habitat characteristics, and fish <br />use ot spring habitats for Colorado squawfish and razorback <br />sucker in the Green River" <br />Hypotheses to be tested: 1,2,3,4 <br />Research Lead: U.S. Fish and wildlife Service <br />1991 Cost: $50,600 <br />Number of years: 1991-1994 <br />Summary of study: Objectives include determining relationship <br />between habitat availability, fish accessibility, and fish use in <br />seasonally flooded bottomlands; assess differences in habitat use <br />between flooded bottomlands and riverine shorelines; determine <br />relative survival and growth rates; recommend flow rates to <br />maximize optimal habitat; evaluate frequency, duration, and type of <br />water year in which wild fish utilize flooded habitat during <br />spring. <br /> <br />Proposal 9. "Integration of field and laboratory studies on <br />aspects of the early life biology and development of selected <br />fishes in the Green River system" <br />Hypotheses to be tested: 3,8,9,12 <br />Research Lead: Larval Fish Laboratory <br />1991 Cost: $36,200 <br />Summary of study: Objectives include validation of otolith <br />aging techniques; investigation of drift rates using otolith <br />techniques; comparatively describe early morphological ontogeny of <br />selected native and non-native species; evaluate role of sensory <br />and locomotor systems in early life forms. <br />