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Upper Malheur Watershed Bull Trout Conservation Strategy

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Upper Malheur Watershed Bull Trout Conservation Strategy Joseph Tomelleri Upper Malheur Watershed Bull Trout Conservation Strategy Malheur River Bull Trout Technical Advisory Committee - Prepared with assistance provided by QW Consulting, LLC Table of Contents Table of Contents .......................................................................................................................... 1 Part I – Strategy Background ...................................................................................................... 5 A. Contributing Agencies and Participants ..................................................................................... 5 B. Purpose ....................................................................................................................................... 5 C. Background and Problem Statement .......................................................................................... 6 C.1 Bull Trout Recovery Chronology ............................................................................................. 6 C.2 Malheur River Bull Trout Technical Advisory Committee Chronology ................................. 7 C.3 Upper Malheur River Bull Trout Status and Trends ................................................................ 7 C.4 Bull Trout Timing and Movement in the Upper Fork Malheur River ..................................... 8 C.5 Brook Trout/Bull Trout Interactions in the Upper Malheur River ........................................... 9 C.5.1 Brook Trout Introductions ..................................................................................................... 9 C.5.2 High Lake and Upper Lake Creek: Brook Trout Seed Sources ............................................ 9 C.5.3 Big Creek............................................................................................................................. 11 C.5.4 Bull Trout and Brook Trout Interactions: Hybridization .................................................... 11 C.5.5 Bull Trout and Brook Trout Interactions: Competitive Advantages ................................... 12 C.6 Genetics and Small Populations ............................................................................................. 12 C.7 Environmental Variations ...................................................................................................... 13 C.8 Timeline of Past Brook Trout Removal Efforts ..................................................................... 13 C.9 Climate Change Resilience and Habitat Restoration ............................................................. 14 D. Proposed Action ....................................................................................................................... 14 D.1 General Summary of Precedent Projects ............................................................................... 17 D.2 General Summary of Relevant Policies ................................................................................. 17 D.3 Action Areas .......................................................................................................................... 18 D.3.1 Upper Action Area .............................................................................................................. 19 D.3.2 Middle Action Area ............................................................................................................ 19 D.3.3 Lower Action Area .............................................................................................................. 20 D.4 Effects to Other Species and Native Salvages ....................................................................... 20 D.4.1 Amphibians ......................................................................................................................... 20 D.4.2 Benthic Macroinvertebrates ................................................................................................ 21 1 D.4.3 Native Fish Salvage ............................................................................................................ 25 D.5 Upper Malheur Species Presence/Absence ............................................................................ 25 E. Alternative Actions Considered ............................................................................................... 25 E.1 No Action ............................................................................................................................... 25 E.2 Mechanical Removal .............................................................................................................. 26 E.3 Biological Control .................................................................................................................. 27 E.4 Chemical Control.................................................................................................................... 27 E.4.1 Antimycin ............................................................................................................................ 27 E.4.2 Rotenone .............................................................................................................................. 27 F. Outreach and Education ............................................................................................................ 28 F.1 Public Outreach ...................................................................................................................... 28 F.2 Communication and Education ............................................................................................... 29 G. 10-year Implementation Plan (Upper Action Area) ................................................................. 30 H. Monitoring & Recovery Actions .............................................................................................. 30 H.1 Short-term Monitoring (<10 years) ........................................................................................ 30 H.2 Long-term Monitoring (>10 years) ........................................................................................ 31 H.3 Habitat Restoration ................................................................................................................ 31 I. Temporary Barriers and Fish Passage for Migratory Native Fish ............................................. 31 I.1 Temporary Barriers.................................................................................................................. 32 I.2 Permanent Fish Traps at Barrier Sites ..................................................................................... 32 I.3 Trap and Haul .......................................................................................................................... 32 J. References ................................................................................................................................. 34 K. Acronyms ................................................................................................................................. 40 Appendix A ................................................................................................................................... 41 Appendix B ................................................................................................................................... 43 Part II – Supplement 1 ............................................................................................................... 44 A. Contributing Agencies and Participants ................................................................................... 44 B. Introduction .............................................................................................................................. 44 C. Planning Assumptions .............................................................................................................. 44 D. Probability of Success .............................................................................................................. 46 E. Application of Rotenone ........................................................................................................... 47 2 E.1 Rotenone Project Phases......................................................................................................... 47 E.1.1 Pre-Treatment Phase ............................................................................................................ 47 E.1.2 Treatment Phase .................................................................................................................. 48 E.1.3 Post-Treatment Phase .......................................................................................................... 48 E.1.3.1 Short-term Monitoring (<10 years) .................................................................................. 48 E.1.3.2 Long-term Monitoring (>10 years) .................................................................................. 49 F. References................................................................................................................................. 50 G. Acronyms ................................................................................................................................. 50 Part III – Supplement 2 .............................................................................................................. 51 A. Contributing Agencies and Participants ................................................................................... 51 B. Rotenone Project Planning Stages...........................................................................................
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