Upper Klamath Lake Water Quality Jacob Kann, Aquatic Ecosystem Sciences
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Independent Scientific Review Panel Mark Buettner, US Fish and Wildlife Service Michael Cooperman, Oregon State University Dept. of Fish and Wildlife John Crandall, The Nature Conservancy Larry Dunsmoor, The Klamath Tribes Charles Hanson, Hanson Environmental, Langell Valley Irrigation District Doug Markle, Oregon State University, Department of Fish and Wildlife Rich Piaskowski, US Bureau of Reclamation Dudley Reiser, R2 Resource Consultants Michael Rode, California Department of Fish and Game Rip Shively, US Geological Survey Roger Smith, Oregon Department of Fish and Wildlife Dave Vogel, Natural Resource Scientists, Inc., Klamath Water Users Assn. Jack Williams, Trout Unlimited THE CURRENT RISK OF EXTINCTION OF THE LOST RIVER AND SHORTNOSE SUCKERS Independent Scientific Review Panel August 2005 Prepared by: Prepared for: Cascade Quality Solutions US Fish and Wildlife Service Natural Resource Mediation & Facilitation Klamath Falls Field Office 700 Main Street, Suite 203 6610 Washburn Way Klamath Falls, Oregon 97601 Klamath Falls, Oregon 97603 3 Table of Contents Presenters......................................................................................................................... iv Preface................................................................................................................................ v Section 1 Introduction ...................................................................................................... 1 Section Summary............................................................................................................ 1 Introduction to the 5-Year Review Ron Larson, USFWS ............................................................................................... 2 Historic and Prelisting Status and Distribution Mark Buettner, USFWS .......................................................................................... 5 Facilitated Discussion ..................................................................................................... 8 Section 2 Taxonomy and Genetics................................................................................. 10 Section Summary.......................................................................................................... 10 Klamath Basin Sucker Taxonomy and Genetics Doug Markle, OSU ............................................................................................... 12 Klamath Basin Sucker Genetics Thomas Dowling, ASU.......................................................................................... 16 Facilitated Discussion ................................................................................................... 19 Section 3 Population Dynamics...................................................................................... 22 Section Summary.......................................................................................................... 22 Monitoring Trends in Early Life History Stages Doug Markle, OSU ............................................................................................... 24 Overview of Adult Sucker Monitoring and Trends in the Upper Klamath Basin Rip Shively, USGS with input Eric Janney, USGS................................................ 26 Facilitated Discussion ................................................................................................... 31 Section 4 Water Quality ................................................................................................. 32 Section Summary.......................................................................................................... 32 Background Information on Upper Klamath Lake Water Quality Jacob Kann, Aquatic Ecosystem Sciences ............................................................ 34 Comparison of the Dissolved Oxygen Conditions in the Northern Third of Upper Klamath Lake, 2002-2004 Tamara Wood, USGS............................................................................................ 36 Distribution and Behavior of Adult Lost River and Shortnose Suckers with Respect to Water Quality in Northern Upper Klamath Lake Rip Shively and Barbara Adams, USGS ............................................................... 38 An Approach and Analysis Using US Bureau of Reclamation and Klamath Tribes Water Quality Data in Assessing Suckers’ Low Dissolved Oxygen Risk in Upper Klamath Lake Noble Hendrix, Michael Loftus and Thomas Helser, R2 Resource Consultants.. 42 Review of Lost River and Shortnose Sucker Water Quality Tolerances and Summary of Known Fish Die-Offs i Scott VanderKooi, USGS ...................................................................................... 44 Review of Water Quality Conditions during the 1990s Die-Offs Jacob Kann, Aquatic Ecosystem Sciences ............................................................ 46 Stress Levels Associated with Water Quality Conditions in the Habitat Regime of Lost River and Shortnose Suckers in Upper Klamath Lake Michael Loftus, R2 Resource Consultants............................................................ 47 Facilitated Discussion ................................................................................................... 49 Section 5 Other Threats.................................................................................................. 52 Section Summary.......................................................................................................... 52 Fish Health Review: Upper Klamath Lake J. Scott Foott, USFWS .......................................................................................... 53 Lab Studies of Fathead Minnow Predation upon Endangered Suckers Larry Dunsmoor, The Klamath Tribes ................................................................. 54 Section 6 Habitat Restoration........................................................................................ 57 Section Summary.......................................................................................................... 57 Restoring Lake and River Fringe Wetlands at the Williamson River Delta John Crandall, The Nature Conservancy ............................................................. 59 Sprague River: Existing Conditions and Enhancement Needs Larry Dunsmoor, The Klamath Tribes ................................................................. 61 Restoration in Response to Listing Factors Dave Ross, USFWS, Jim Regan-Vienop and Cliff Fox, NRCS, Danette Watson, Klamath Watershed Council................................................................................. 62 Upper Klamath Basin Fish Passage Recovery Activities Rich Piaskowski, USBR ........................................................................................ 67 Water Quality Improvements on Bureau of Land Management Lands in the Upper Klamath Basin Andy Hamilton and Liz Berger, BLM ................................................................... 68 Oregon State Government Responsibilities in Water Quality Protection and Restoring Water Quality Tim Stevenson, Oregon Department of Agriculture ............................................. 70 Water Quality on National Forest Service Lands Relating to Endangered Suckers in the Upper Klamath Basin Dave Pawelek, Fremont-Winema National Forest............................................... 71 Section 7 Evaluating the Threats................................................................................... 73 Section Summary.......................................................................................................... 73 Facilitated Discussion ................................................................................................... 74 Section 8 Panel Assessments .......................................................................................... 84 Narrative Summary of the Independent Scientific Review Panel Members’ Assessments of Current Threats to the Lost River and Shortnose Suckers .................. 84 Table B: Summary of ISRP Threat Matrices for Lost River and Shortnose Suckers.. 90 Individual Panel Members' Assessments...................................................................... 95 Mark Buettner ....................................................................................................... 95 Michael Cooperman,........................................................................................... 108 John Crandall ..................................................................................................... 110 Larry Dunsmoor.................................................................................................. 121 ii Charles Hanson, ................................................................................................. 133 Douglas Markle ................................................................................................. 135 Richard Piaskowski............................................................................................. 139 Dudley Reiser...................................................................................................... 149 Rip Shively .......................................................................................................... 176 Roger Smith......................................................................................................... 180 Dave Vogel.......................................................................................................... 188 Jack Williams.....................................................................................................