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TABLE OF CONTENTS <br />APPROVAL PAGE .............................................................................................................................. ii <br />LIST OF TABLES .................................................................................................................................v <br />LIST OF FIGURES ............................................................................................................................ vii <br />LIST OF APPENDIX TABLES ..............................................................................:........................... ix <br />LIST OF APPENDIX FIGURES ...........................................................................................................x <br />INTRODUCTION ...................................................................................................................:.............1 <br />STUDY AREA ......................................................................................................................................4 <br />METHODS ..........................................................................................................................................12 <br />Fish Sampling ..........................................................................................................................12 <br />Channel Topography ................................................................................................................14 <br />Hydraulic Simulation ..............................................................................................................19 <br />Habitat Quantification ...........................................:.................................................................. 20 <br />Development of Meso-Habitat Suitability ...............................................................................20 <br />Determination of Habitat Availability .....................................................................................22 <br />RESULTS ............................................................................................................................................23 <br />Fishery Quantification .............................................................................................................23 <br />Fish Over 15-cm in Length .............................................................................................. .23 <br />Fish Less Than 15-cm in Length ......................................................................................28 <br />Size Structure for Native Fish ............................................................................................ 30 <br />Density and Biomass Estimation .......................................................................................34 <br />Habitat Quantification ..............................................................................................:...............39 <br />General Site Description ..................................................................................................... 39 <br />Habitat Composition and Diversity ...................................................................................40 <br />Habitat Suitability ...............................................................................................................44 <br />Habitat Availability Versus Flows ...................................................................................... 47 <br />DISCUSSION ......................................................................................................................................62 <br />Habitat Modeling, Flow-Needs for Native Sucker ................................................................. 62 <br />Habitat Composition and Diversity ........................................................................................ 65 <br />Field Observation, Flow Needs of Native Fish ....................................................................... 66 <br />Non-Native Fish Versus Flows ................................................................................................ 68 <br />Flow for Endangered Fish ........................................................................................................69 <br />iii <br />