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5.2.10. Long Term Monitoring . ............ ............................... 34 <br />5.3. Identify, Protect, and Restore the Endangered Fish Species of the San Juan <br />River Basin and Manage the Native Fish Community ........................... 35 <br />5.3.1. Identify and Characterize the Historical and Current Fish Species Community <br />Structure. ...................... ............................... 35 <br />5.3.2. Determine the Status and Trends of the Resident Fish Species............ 36 <br />5.3.3. <br />Determine the Life History of Endangered and Other Native Fish Species <br />and Relationships to All Other Resident Fish Species .................... <br />37 <br />5.3.4. <br />Identify Fish Health Aspects that Negatively Impact Native Fish Species. .... <br />38 <br />5.3.5. <br />Characterize Fish Community Response to Different Annual Flow Regimes. <br />39 <br />5.3.6. <br />Identify Limiting Factors for the Endangered and Other Native Fishes <br />(Milestone) . ..................... ............................... <br />46 <br />5.3.7. <br />Develop and Implement a Genetics Management Plan to Maintain Genetic <br />Diversity of the Endangered Fish Species (Milestone) . .................. <br />47 <br />5.3.8. <br />Determine the Need for and Implement, If Necessary, an Augmentation <br />Program for Endangered Fish Species In Appropriate Historical Habitat. .... <br />49 <br />5.3.9. <br />Long Term Monitoring Program ....... ............................... <br />54 <br />5.4. Determine the Role(s) of Nonnative Fish Species in the Decline of Native Fish <br />Species <br />and Implement Corrective Actions . .. ............................... <br />55 <br />5.4.1. <br />Characterize Distribution and Abundance of Nonnative Fish Species........ <br />55 <br />5.4.2. <br />Identify and Characterize Habitats Used by Nonnative Fish Species and <br />Effects on Native Fish Species Habitat Use ............................ <br />59 <br />5.4.3. <br />Describe Food Habits of Nonnative Fish Species and Evaluate for Predation <br />and Competition Impacts on Native Fish Species . ....................... <br />61 <br />5.4.4. <br />Characterize the Response of Nonnative Fish Species to Varying Flow <br />Regimes and Recommend Flows that Minimize or Eliminate Interactions <br />with Native Fish Species . .......... ............................... <br />63 <br />5.4.5. <br />Develop and Implement a Nonnative Fish Stocking Policy (Milestone) ....... <br />64 <br />5.4.6. <br />Develop and Implement Regulations to Restrict Baitfish Species Harvest <br />within Appropriate Habitats ( Milestone) ............................... <br />64 <br />5.4.7. <br />Develop and Implement Regulations to Restrict Importation of Nonnative <br />Fish Species (Milestone) . ......... ............................... <br />65 <br />5.4.8. <br />Monitor and Evaluate Actions Implemented to Minimize or Eliminate Native <br />and Nonnative Fish Species Interactions .............................. <br />65 <br />5.5. Determine the Occurrence, Extent and Role(s) of Water Quality Degradationand <br />Contaminant in the Decline of the Endangered Fish Species and Identify <br />and Implement Corrective Actions . ......... ............................... <br />65 <br />San Juan River Recovery Implementation Program December 1997 <br />Summary Report Vii PR -602 -1 <br />