Upper Colorado River Basin Nonnative and Invasive Aquatic Species Prevention and Control Strategy Nonnative Fish ad hoc Committee: Patrick Martinez, Krissy Wilson, Pete Cavalli, Harry Crockett, Dave Speas, Melissa Trammell, Brandon Albrecht, and Dale Ryden Smallmouth bass predation on endangered bonytail Northern pike predation on native roundtail chub February 2014 i Table of Contents Executive Summary .............................................................................................................v Agency abbreviations used in Tables ES-1a through ES-8a. .......................................... viii Table ES-1a. General Recovery Program Support Action Plan. Section I: Prevention. ......................................................................................................... ix Table ES-1b. General Recovery Program Support Action Plan. Section I: Prevention (continued). .......................................................................................x Table ES-1c. General Recovery Program Support Action Plan. Section I: Prevention (continued). ..................................................................................... xi Table ES-1d. General Recovery Program Support Action Plan. Section II: Eradication, Control, and Management. ......................................................... xii Table ES-1e. General Recovery Program Support Action Plan. Section II: Eradication, Control, and Management (continued). ..................................... xiii Table ES-1f. General Recovery Program Support Action Plan. Section II: Eradication, Control, and Management (continued). ..................................... xiv Table ES-1g. General Recovery Program Support Action Plan. Section II: Eradication, Control, and Management (continued). .......................................xv Table ES-1h. General Recovery Program Support Action Plan. Section II: Eradication, Control, and Management (continued). .................................... xvi Table ES-1i. General Recovery Program Support Action Plan. Section III: Research and Monitoring. ............................................................................ xvii Table ES-1j. General Recovery Program Support Action Plan. Section III: Research and Monitoring (continued). ....................................................... xviii Table ES-1k. General Recovery Program Support Action Plan. Section III: Research and Monitoring (continued). ......................................................... xix Table ES-1l. General Recovery Program Support Action Plan. Section III: Research and Monitoring (continued). ...........................................................xx Table ES-1m. General Recovery Program Support Action Plan. Section IV: Policy and Enforcement. ............................................................................... xxi Table ES-1n. General Recovery Program Support Action Plan. Section IV: Policy and Enforcement (continued). .......................................................... xxii Table ES-1o. General Recovery Program Support Action Plan. Section V: Information and Education ......................................................................... xxiii Table ES-2a. Green River Mainstem Action Plan ....................................................... xxiv Table ES-2b. Green River Mainstem Action Plan (continued) .....................................xxv Table ES-3a. Yampa and Little Snake Rivers Action Plan ......................................... xxvi Table ES-3b. Yampa and Little Snake Rivers Action Plan (continued) ..................... xxvii Table ES-3c. Yampa and Little Snake Rivers Action Plan (continued) .................... xxviii Table ES-4a. Duchesne River Action Plan .................................................................. xxix Table ES-5a. White River Action Plan ..........................................................................xxx Table ES-6a. Colorado River Mainstem Action Plan .................................................. xxxi Table ES-6b. Colorado River Mainstem Action Plan (continued) ............................. xxxii ii Table ES-6c. Colorado River Mainstem Action Plan (continued)............................. xxxiii Table ES-7a. Gunnison River Mainstem Action Plan ............................................... xxxiv Table ES-8a. Dolores River Action Plan .....................................................................xxxv Purpose .................................................................................................................................1 Strategic Plan Need and Justification ..................................................................................1 Supporting Documents.........................................................................................................4 Evolution of the Basinwide Strategy ...................................................................................6 Goal and Objectives .............................................................................................................7 Implementation and Coordination .......................................................................................8 Management Strategy and Actions ......................................................................................9 I. Prevention .......................................................................................................................11 Stocking Procedures ...................................................................................................11 List for acceptable (Compatible) nonnative aquatic species 12 Non-compatible List for invasive aquatic species ......................................................13 Rapid response to new invaders or invasive species in new locations .......................14 Hazard Analysis and Critical Control Point (HACCP) .............................................14 II. Eradication, Control, and Management .........................................................................15 Integrated Pest Management ......................................................................................15 Electrofishing ..............................................................................................................16 Pesticides ....................................................................................................................17 Nets .............................................................................................................................18 Escapement screens ....................................................................................................18 Exclusion barriers ......................................................................................................21 Downstream buffers ....................................................................................................21 Mandatory harvest and monetary incentives ..............................................................23 III. Research and Monitoring .............................................................................................24 Propagule pressure .....................................................................................................24 Population modeling ...................................................................................................25 Sources of nonnative fishes .........................................................................................26 Streamflow trend and reservoir release effects on nonnative fishes ..........................27 Potential effects of climate change .............................................................................28 Electrofishing evaluation ............................................................................................30 Hybridization with nonnative fishes ...........................................................................30 Population and food web impacts to native aquatic communities .............................31 Emerging techniques ..................................................................................................32 Genetic biocontrol ...............................................................................................32 iii Non-physical, stimulus barrier screens ................................................................33 Physical techniques .............................................................................................33 Chemicals ............................................................................................................34 Invertebrate control .............................................................................................34 Biocontrol ............................................................................................................35 Environmental DNA (eDNA) ..............................................................................35 IV. Policy and Enforcement ...............................................................................................35 Cross-jurisdictional Coordination ..............................................................................36 Illegal introductions ....................................................................................................37 Illegal introductions: Water quality model for nonnative/invasive species ...............38 Native Fish Conservation Areas .................................................................................39 V. Information