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TABLE OF CONTENTS <br />LIST OF TABLES ....................................................... iii <br />LIST OF FIGURES ...................................................... v <br />INTRODUCTION ......................................................... <br />Background ..................................................... 1 <br />Objectives .. .................................................. 4 <br />Description of Study Area ....................................... 4 <br />METHODS .............................................................. 10 <br />Spring Collections ............................................. 10 <br />Radiotelemetry .................................................. 11 <br />Larval Colorado Squawfish Collections ....... .................... 15 <br />Distribution and Abundance of Post Larval <br />(YOY) Colorado Squawfish ........................................ 17 <br />Colorado Squawfish Spawning Collections ......................... 18 <br />Impact of Flow on Colorado Squawfish Nursery Habitat............ 19 <br />Razorback Sucker Spawning Collections ........................... 20 <br />Chub Collections ................................................ 20 <br />Sensitive Area Analysis ......................................... 20 <br />RESULTS AND DISCUSSION ............................................... 23 <br />Distribution, Relative Abundance, and <br />Movement of Adult and Juvenile Colorado Squawfish ............... 23 <br />Distribution and Abundance ................ .................... 23 <br />Movement ...................................................... 27 <br />Radiotelemetry .............................................. 27 <br />Tag Returns ........................ .. ....................... 31 <br />Juvenile and Young Colorado Squawfish .................... 33 <br />Reproduction and Habitat Requirements of Adult Colorado <br />Squawfish ...................................................... 35 <br />Spawning ..................................................... 35 <br />Habitat Requirements .......................................... 37 <br />General .................................................... 37 <br />Spawning ................................................... 38 <br />Recruitment and Growth of Colorado <br />Squawfish ....................................................... 43 <br />Larval Life Stage ............................................ 43 <br />Age-0 Life Stage .............................................. 51 <br />Adult life stage ............................................. 53 <br />Effects of Flow on Survival and Growth ........................ 55 <br />