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<br />TABLE OF CONTENTS <br />' EXECUTIVE SUMMARY .......... . ......................... 1V <br />..................... <br />LIST OF TABLES .............................................................. Vi <br />' LIST OF FIGURES ............................................................. Vii <br />KEY WORDS .................................................................ix <br />' INTRODUCTION ................................................................1 <br />' STUDY AREA ..................................................................4 <br />METHODS ....................................................................6 <br />' Collection ofsmall-bodied fish ............................................. 6 <br />Collection oflarge-bodied fish ............................................. 7 <br />Temporal and spatial changes in fish community composition ..................... 8 <br />' Longitudinal changes in the fish community, 1994-1996 ......................... 9 <br />Water temperature data collection and modeling .............................. 10 <br />RESULTS ...................................................................12 <br />Overview .............................................................12 <br />Effects of Flaming Gorge Dam on Green River discharge and temperature patterns .. 12 <br />Composition and reproductive status of the fash community in the regulated reach, <br />1962-1996 ............................................................14 <br />Changes in the Lodore Canyon fish community between 1978-1980 and 1994-1996 .. 15 <br />Longitudinal changes in the fish community, seine samples ...................... 17 <br />Longitudinal changes in the Lodore Canyon fish community, electrofishing samples .. 18 <br />Drift net sampling ......................................................20 <br />Species accounts .......................................................21 <br />Colorado pikeminnow .............................................21 <br />Roundtailchub ...................................................22 <br />Razorback sucker .................................................22 <br />Non-native predators ..............................................22 <br />Green River water temperatures: observations, models, and predictions ............ 23 <br />DISCUSSION .................................................................2f) <br />Effects of Flaming Gorge Dam on Green River discharge and temperature patterns .. 26 <br />Composition and reproductive status of the fish community in the regulated reach, <br />1962-1996 ............................................................27 <br />Changes in the Lodore Canyon fish community between 1978-1980 and 1994-1996...28 <br />Longitudinal changes in the fish community, seine samples ...................... 29 <br />Longitudinal changes in the Lodore Canyon fish community, electrofishing samples .. 30 <br />ii <br />