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<br />ACKNOWLEDGEMENTS. <br /> <br />........11 <br /> <br />I <br />I <br />~ <br /> <br />TABLE OF CONTENTS <br /> <br />T ABLE OF CONTENTS.. <br /> <br />........111 <br /> <br />LIST OF TABLES........ <br /> <br />....v <br /> <br />LIST OF FIGURES ........ <br /> <br />..............Vll <br /> <br />LIST OF KEY WORDS.................................. <br /> <br />......................VIl1 <br /> <br />EXECUTIVE SUMMARy........ <br /> <br />................................................... Vlll <br /> <br />INTRODUCTION <br /> <br />..........1 <br /> <br />STUDY AREA. ........................................ <br />Flow Characteristics during the Study Period <br /> <br />...........3 <br /> <br />..........5 <br /> <br />METHODS....... ................ .... .................................. ............ <br />Field Collections................. ......................... ........... <br /> <br />Data Analysis.......... ........................... ....................... <br /> <br />.................7 <br />.........7 <br /> <br />...........7 <br /> <br />RESULTS - COLORADO COLLECTIONS....................................... ...........................8 <br />Larval fish - Total Catch................................................ ............ ........................8 <br />Species Composition and Relative Abundance ............. ................ ............ .........................9 <br />Colorado Pikeminnow - Total Catch............................................... ........... ......................11 <br />Colorado Pikeminnow - LOMA Catch Characteristics and Drift Estimates.... ......................12 <br />- UTAH COLLECTIONS ........................................................................15 <br />Colorado Pikeminnow - Catch Characteristics and Drift Estimates. .... .......... . 15 <br />Non Native Cyprinid - Catch Characteristics and Backwater Density. ........... .....................16 <br />Non Native Cyprinid - Backwater Density, Colorado (ISMP)... ........... ........... .........17 <br />Colorado Pikeminnow YOY Size and SurvivaL.. ..................... ...................................18 <br /> <br />DISCUSSION................................................................. . <br />Colorado Pikeminnow Distribution, Gunnison River ..... <br />Colorado Pikeminnow Distribution, Colorado River. <br />Colorado Pikeminnow Larval Catch Between Years and Stations, Colorado <br />Longitudinal Trends in Colorado Pikeminnow Abundance.... ............ <br />Colorado Pikeminnow YOY Size and Survival (Objective 2).. ............... <br />Colorado Pikeminnow Larval Drift and YOY Backwater Density (ISMP) ." <br />Colorado Pikeminnow Larval Drift and YOY Backwater Density (Utah)...... <br />Non Native Cyprinid Backwater Density (Utah & ISMP) .............. <br /> <br />................19 <br />..............19 <br />...... ..........20 <br />.............21 <br /> <br />......................22 <br />....24 <br />....25 <br />....25 <br />....... ....26 <br /> <br /> <br />SUMMARY AND CONCLUSIONS ............................ <br /> <br />....27 <br /> <br />II <br /> <br />I <br />