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<br />c' <br />~-. "l <br />~ <br /> <br />.......1 <br /> <br />'-'1 <br />--.1 <br /> <br />Platania, Dudley, and Maruca. 2000. Drift of Fishes in the San Juan River 1991.1997. <br /> <br />FINAL <br /> <br />TABLE OF CONTENTS <br /> <br />LIST OF FIGURES .............................................................................................................................. iii <br /> <br />LIST OF TABLES ............ ............... ................ ......... .......... ...... ......................... ...... ................. ....... ...... iv <br /> <br />EXECUTIVE SUMMARY ....,......,.....,.............................................................,.....................,.......,....,. I <br /> <br />INTRODUCTION .........................,............. .... ................... ...... .... ....,..... ....'............ ." .... .......... .......... .... 2 <br /> <br />STUDY AREA ........... .... .............. ......................................... .......................................... ...... ........... ......3 <br /> <br />METHODS .............. ............. .............. .....,...................... ...............,.. ,............ .................. ......... ....... ... .... 7 <br />Data Collection.......................................................................................................................... 7 <br />CalcuIaIion ofCatch-Per-UniI-Efforl (CPUE) ..........................................................................9 <br />Relation of Drift CPUE to Flow Regime ................................................................................ 12 <br /> <br />RESULTS ... ........... ,. ................ ..... ...................... ........... ............ ............. .............. ..................... ... ..' ..... 13 <br />Summary of Data CollecIion ................................................................................................... 13 <br />Mean Annual and Maximum Daily Catch-Per-UniI-Efforl (CPUE) ...................................... 18 <br />Relationship of Annual Drift CPUE and Flow Regime .......................................................... 27 <br />Relationship of Daily Drift CPUE and Daily Flow by Year and SiIe ..................................... 34 <br />Back-calculation of Colorado pileeminnow based on larval and YOY specimens .................43 <br /> <br />DISCUSSION. ....... ....................................................... ...................................... ..... ................, ............ 54 <br /> <br />CONCLUSION/MANAGEMENT IMPLICA TrONS ... ....... ....... ........................ .................. ..... ......... 59 <br /> <br />RELA TrONSHIP OF LARVAL FISH DRIFT STUDY TO THE SAN JUAN RNER <br /> <br />IMPLEMENATrON PROGRAM ...........................................................'............................................61 <br /> <br />ACKNOWLEDGEMENTS .................................................................................................................. 62 <br /> <br />LITERATURE CITED ........................................................................................ ............................. ....63 <br />