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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />TABLE OF CONTENTS <br /> <br />~ <br /> <br /> <br />INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ',' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 <br /> <br /> <br />STUDY AREA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 <br /> <br />METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2 <br /> <br />Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2 <br /> <br />Analyses .........................,............................................ 5 <br /> <br />Flow and temperature data .................................................... 5' <br /> <br />Fish data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7 <br /> <br />Correlations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8 <br /> <br />RESULTS AND DISCUSSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> <br />Flow and Temperature Regimes ................................................... 9 <br /> <br />Fish Data ................................................................... 13 <br /> <br />Spawning periods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 13 <br /> <br />Relative abundance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15 <br /> <br />Comparisons of River Flow and Temperature Regimes with Fish Spawning Periods and <br /> <br />Relative Abundance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 22 <br /> <br />Nonnatives ............................................................... 22 <br /> <br />Natives .................................................................. 29 <br /> <br />Management Implications ....................................................... 34 <br /> <br />LITERATURE CITED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 35 <br /> <br />APPENDIX A, NOTES ON GENERAL DISTRIBUTION AND SELECTED LIFE-HISTORY <br /> <br />CHARACTERISTICS............................................................. 38 <br /> <br />v <br />