8221

• UCREFRP Catalog Number: 8221
• Author: Van Steeter, M. M.
• Title: Historic and Current Processes Affecting Channel Change and Endangered fish Habitats of the Colorado River Near Grand Junction, Colorado.
• USFW Year: 1996.
• USFW - Doc Type: Doctor of Philosophy.
• Copyright Material: NO

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CONTENTS

INTRODUCTION -------- 1

The Colorado squawfish___________________________2

Factors leading to their decline----------------------------5

Physical and thermal barriers-------------------------5

Flow regulation and channel change-----------------------6

Nonna tive fishes--------------------------------------------- 7

Nonnative vegetation and bank stabilization----------- 8

Proposed Sol u ti ons----------------------------------------------------- 9

Objectives--------------------------------------------------------11

2

THE STUDY AR EA__________________________________________________13

5tu d Y 5i tes______________________________________________________________20

HISTORIC CHANGES IN STREAMFLOW---------------------- 22

3

In trod uction--------------------------------------------------------------- 22

Flow trends and water developmenL--------------------22

U nregu la ted ri ve r5___________________________ _____ ______________23

Regu la ted ri vers-------__________________________________________ 24