7864

• UCREFRP Catalog Number: 7864
• Author: Modde, T. and E. J. Wick.
• Title: Investigations Of Razorback Sucker Distribution, Movements And Habitats Used During Spring In The Green River, Utah.
• USFW Year: 1997.
• USFW - Doc Type: Recovery Program Project No. 49,
• Copyright Material: NO

TABLE OF CONTENTS

Acknowledgments ............................................... 2
Table of Contents ............................................... 3

List of Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4

List of Figures .................................................. 4

Key Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6

Executive Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7

Introduction .................................................... 9

Study Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 9

Chapter one: Distribution and movements of adult razorback sucker. . . . . .. 11

Methods ................................................ 11

Results ................................................. 13

Movement patterns based on tag recapture data . . . . . . . . . . .. 13
Riverine telemetry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15
Habitat use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17

Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 20

Chapter two: Determination of growth and survival of larval and juvenile
razorback sucker in wetlands relative to main channel habitat . . . . . . . 23

Methods ................................................ 23

Results ................................................. 24

Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26

Chapter three: Inundation of Old Charley Wash . . . . . . . . . . . . . . . . . . . . . .. 28

Methods ................................................ 28

Results ................................................. 28

Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 29

Management Implications ........................................ 29
Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 31
Literature Cited ................................................ 32

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