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<br />000607 <br /> <br />-------- APPENDIX C: FY-2002 - 2003 PROJECT DESCRIPTIONS ------- <br /> <br />ponds along the Upper Colorado and Gunnison rivers. Specific objectives are to: <br />I) assess ponds as problematic/non-problematic through inventory and sampling; <br />2) reclaim, control water levels in, reshape, or isolate at least 10 ponds per year; <br />3) monitor and minimize reinvasion of nonnative fishes in treated floodplain ponds and <br />escapement of nonnatives from ponds outside the treatment area using screening or other <br />anti-escapement devices/strategies; 4) detennine if nonnative fish control in floodplain <br />ponds on a river-reach scale contributes significantly to reductions in the abundance of <br />nonnative fishes in existing riverine nursery habitats; and 5) build public support for <br />pond reclamation. Total out year cost: -$500,000. <br /> <br />C-20 NNA/98--: Fish Screening Device at Highline Reservoir (CDOP, $15,000) <br /> <br />A net screen was installed at Highline Lake near Fruita, Colorado to reduce or eliminate <br />continuous introd~ction of nonnative fishes inlo the mainstem Colorado River. The net is <br />inspected visually every week and undergoes a monthly undelWater inspection. It is <br />cleaned in early spring and late summer. After a successful experiment leaving the net in <br />through the winter, plans are to continue to leave it in year-round. The effectiveness of <br />this net in preventing fish escapement is being evaluated by the Colorado Division of <br />Wildlife as part of a Federal Aid project. Total out year cost: operalional costs to be <br />detennined. <br />106. NNAlOI03: Evaluation of Colorado's Nonnative Fish Stocking Regulations (CDOW, <br />$45;200) <br /> <br />" <br />I; <br /> <br />This study will evaluate the effectiveness of Colorado's nonnative fish stocking <br />regulations by detennining biological responses in the river fish community. <br />Specifically, this work will: I) detennine iflhe administration of fish stocking regulations <br />and pennits is contributing to the reduction in riverine abundance of target fish species; <br />2) monitor the trend in distribution and abundance indices for target fish species in <br />riverine habitats and compare to concurrent public/private fish stocking data; and <br />3) conduct a risk analysis of non-native fish stocking in the Colorado River basin in <br />Colorado to identify its relative significance and potential for introducing non-native fish <br />species into the critical habitat oflhe endangered fishes. Total outyear cost: $0 <br /> <br />109. NNAlOI04: Removal of Northern Pike from the Middle Green River (UDWR, $51,900) <br /> <br />The goal of northern pike control in the middle Green River is to sufficiently reduce the <br />abundance of adults such lhat predatory and competitive impacts on growth, recruilment, <br />and survival of endangered and other native fishes are minimized. Study objectives are <br />to: I) capture and remove (lethal) adult northern pike from reaches of the middle Green <br />River; 2) reduce the abundance of adult northern pike in the middle Green River; <br />3) detennine the efficiency of removal efforts; and 4) identify the means and levels of <br />northern pike control necessary to minimize the threat of predation/competition on <br />endangered and other native fishes. Total out year cost: $96,600. <br /> <br />C-9 <br />