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<br />, . <br /> <br /> <br />DOWNLISTlNG <br /> <br />BONYTAIL (Upper BasinaodLower Basin Recovery Units) <br /> <br />DELISTING <br /> <br />DEMOGRAPHIC CRITERIA ('"self-sustaining with recruitment) <br /> <br />Over a 5-year monitoring period: <br />Maintain reestablished populations in Green River and upper Colorado <br />River subbasins, each >4,400 adults'" <br />Maintain established genetic refuge of adults in lower basin <br />Maintain two reestablished. populations in lower basin, each > 4,400 <br />adults'" <br /> <br />RECOVERY FACTOR CRITERIA. <br /> <br />Upper Basin Recovery Unit <br /> <br /> <br />I. Beneficial flow regimes identified, implemented, evaluated, and revised <br />2. Passage over Redlands and Grand Valley diversions conti.nued <br />3. Modification ofPrice-Stubb and Govemment Highline dams to allow <br />passage initiated <br />4. Investigations initiated on modifying Aspinall Unit releases to increase <br />water temperatures . <br />5. Measures identified tominimize entrainment of subadults and adults at <br />diversion structures <br />6. Necessary habitats identified <br />7. Overutilizationreevaluatedand, if necessary, actions identified to ensure <br />adequate protection <br />8. Effects of diseases and parasites reevaluated and, if necessary, actions <br />identified to ensure adequate protection <br />9. Nonnative fish stocking procedures developed, implemented,evaluated, <br />and revised <br />10. Control programs for small-bodied nonnative fishes in nursery habitats <br />developed and. implemented to identify necessary control levels <br />II. . Channel catfish control programs developed and implemented to identify <br />necessary control levels <br />12. Northern pike control programs developed and implemented to identify <br />necessary control levels <br />13. Mechanisms determined for legal protection of habitat <br />14. Elements of conservation plans identified <br />15. Risk of hybridization evaluated and, if necessary, actions identified to <br />minimize risk ' <br />16. Hazardous-materials spitls emergency-response plans reviewed and <br />modified as necessary <br />17. Locations of petroleum pipelines in 100-year floodplain of critical habitat <br />identified and need for emergency shut-off valves assessed <br />18. Actions identified for remediation of groundwater contamination atAtlas <br />Mitis tailings pile <br /> <br /> <br />Lower Basin Recovery Unit <br /> <br /> <br />I. Beneficial flow regimes identified, implemented, evaluated, and revised <br />2. Measures identified to minimize entrainment of subadults and adults at <br />diversion and/or out-take structures <br />3. Necessary habitats identified <br />4. Overutilization reevaluated and, if necessary, actions identified to ensure <br />adequate protection . <br />5. Effects of diseases and parasites reevaluated and, iftiecessary, actions <br />identified to ensure adequate protection <br />6. Nonnative fish stocking procedures developed, implemented, evaluated, <br />and revised <br />7.' Control programs for nonnative fishes in the mainstem, floodplain, and <br />tributaries developed and implemented to identify necessary control levels <br />8. Mechanisms determined for legal protection of habitat <br />9. Elements of conservation plans identified <br />10. Risk of hybridization evaluated and, if necessary, actions identified to <br />minimize risk . <br /> <br /> <br /> <br /> <br />DEMOGRAPHIC CRITERIA ('"self-sustaining with recruitment) <br /> <br />For 3 years beyond down1isting: <br />Maintain populations in Green River and upper Colorado River <br />subbasins, each> 4,400 adults'" . <br />Maintain genetic refuge of adults in lower basin <br />Maintain two populations in lower basin, each > 4,400 adults'" <br /> <br />RECOVERY FACTOR CRITERIA <br /> <br />Upper Basin Recovery Unit <br /> <br /> <br />I. Necessary flow regimes provided <br />2. Passage over Redlands and Grand Valley diversions continued <br />3. Modification ofPrice-Stubb and Government Highline dams to allow <br />passage completed <br />4. Aspinall Unit releases modified, if determined. feasible and necessary <br />5. Devices installed and/or measures implemented at diversion structures to <br />minimize entrainment of subadults and adults <br />6. Necessary habitats provided <br />7. Adequate protection from overutilization attained <br />8. Adequate protection from diseases and parasites attained <br />9. Nonnative fish stocking procedures finalized and implemented <br />10. Identified levels of nonnative fish control in nursery habitats attained <br />II. Identified levels of channel catfish control attained <br />12. Identified levels of northern pike control attained <br />13. Necessary habitat ]egally protected in perpetuity <br />]4. Conservation plansdeve]oped and implemented, and necessary agreements <br />executed <br />]5. Adequate protection from hybridization attained <br />16. Emergency-response plans for hazardous-materials spitlsimplemented <br />] 7. Emergency shut-offva]ues installed on problematic petroleum pipelil}es <br />]8. Groundwater contamination remediated at Atlas Mills tailings pile <br /> <br />Lower .Basin Recovery Unit <br /> <br /> <br /> <br />]. Necessary flow regimes provided <br />2. Devices installed and/or measures implemented at diversion and/or out- <br />take structures to minimize entrainment of subadu]ts and adults <br />3. Necessary habitats provided <br />4. Adequate protection from overutilization attained <br />5. Adequate protection from diseases and parasites attained <br />6. Nonnative fish stocking procedures finalized and implemented <br />7. Identified levels of nonnative fish control in the mainstem,floodp]ain, and <br />tributaries attained <br />8. Necessary habitat ]egally protected in perpetuity <br />9. Conservation plans developed and implemented; and necessary agreements <br />executed ' <br />10. Adequate protection from hybridization attained <br /> <br /> <br />