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, VE _. <br />TABLE OF CONTENTS <br />LIST OF TABLES ............ ............. ..........................ii <br />LIST OF FIGURES ......: ............. ........ ..:.... ............ v <br />ACKNOWLEDGMENTS .. .................. ........... ......... .... vii <br />KEYWORDS .................................................:...........vii <br />EXECUTIVE SUN AARY .. ... .......................... ....... .. vui <br />INTRODUCTION .......... ....................... .. . ..............1 <br />STUDY AREA .............. ............:.............. .... ............2 <br />Reach 1 ....................... ......... ........ .............. .2 N <br />Reach 2 ........... ........... ...... ....... . ............. ..2 <br />METHODS ...........:............ ................. .................3 <br />River Flow and Water Temperature ......... .. ........ ................. 3 <br />Larval Fish Sampling ......... ..... ........ ...... ........ ...... 4 <br />Juvenile Colorado Pikeminnow Sampling ........... ... ................. 5 <br />Fall ......... .... ....................... .............. ..5 <br />Spring ...........: ........................ ...... ..... .5 <br />Data Analysis .............. ....................... ...... ......... 5 <br />Larval Fish ............................... .... .... ...... . 5 <br />Juvenile Fish .............: .. ......... ..... ..... ........... 6 <br />Overwinter Mortality .......... ....... ... .......... ..... 6 <br />RESULTS ..... .. 7 <br />River Flow and Water Temperature ....................... ................. 7 <br />Larval Fish ............................ .......:...... ..... .7 <br />Distribution and Abundance ... ............... . <br />.7 <br />Relationship of Flow and Relative Abundance .......... ........... . <br />Juvenile Fish . .............:............... ..... .... ......... 13 <br />Sympatric Species: Distribution and Abundance ........ .................13 <br />Sympatric Species: Abundance Interrelationships ....... ................ 17 <br />Sympatric Species: Relationship of Abundance and Flow . ................ 18 <br />YOY Colorado Pikeminnow: Distribution and Abundance ................ 21 <br />YOY Colorado Pikem innow: Relationship of Abundance with Flow ......... 24 <br />YOY Colorado Pikeminnow: Length Analysis ....... ............... 29 i <br />YOY Colorado Pikeminnow: Overwinter Survival ...... ................ 30 <br /> I?# <br /> I?