9410

• UCREFRP Catalog Number: 9410
• Author: Wydoski, R. S. and E. J. Wick.
• Title: Ecological Value of Floodplain Habitats to Razorback Suckers in the Upper Colorado River Basin.
• USFW Year: 1998.
• USFW - Doc Type: Denver.
• Copyright Material: NO

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TABLE OF CONTENTS

Section Topic

List of Figures

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List of Tables

Acknowledgements

EXECUTIVE SUMMARY

Conclusions . .

Recommendations

INTRODUCTION. . .

FACTORS LIMITING ABUNDANCE OF SOME ENDEMIC FISHES

ECOLOGICAL IMPORTANCE OF FLOODPLAINS. . . . . . .

A. Relation of Nutrients, Sunlight Penetration, and
Warm Water Temperatures to Primary Production .

B. Importance of Floodplain Habitats to Secondary
production ...............

C. Production of Benthic Macroinvertebrates in Various
Aquatic Habitats . . . . . . . . . . .

D. Relation of Food to Larval Fish Survival and
Year-Class Strength . . . . . . . . .

E. Use of Floodplain Habitats by Adult Fishes

F.

Streamflow Management - A Critical Habitat
Component in River-Floodplain Ecosystems.

ROLE OF PREDATION AND COMPETITION IN SURVIVAL OF LARVAL
ENDANGERED FISHES

A. Predation.

B. Competition

IMPORTANT FLOODPLAIN HABITATS IN THE UPPER COLORADO
RIVER BASIN . . . . . . .

A. Green River Subbasin

B. Colorado River Subbasin

CONSIDERATIONS FOR ENHANCING OR RESTORING FLOODPLAIN
HABITATS IN THE UPPER COLORADO RIVER BASIN.

INTEGRATION OF RECOVERY PROGRAM ELEMENTS

A. Streamflow Management . . .

B. Habitat Enhancement/Restoration

C. Control of Nonnative Fishes

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