WSP04154

• File Number: 8220.102.01.J
• Description: Aspinall ‎(AKA Curecanti)‎
• State: CO
• Basin: Gunnison
• Water Division: 4
• Date: 1/1/1998
• Author: Utah Division of Nat
• Title: Aspinall Studies: Evaluation of Gunnison River Flow Manipulation Upon Larval Production of Colorado Squawfish in the Colorado River in Utah - Final Draft
• Water Supply Pro - Doc Type: Publication

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Table of Contents

List of Tables.............................................................................................................iii

List of Figures............................................................................................................iv

Executive summary..................................................................................................... v

Introduction............................................................................................................... .1

Methods..................................................................................................................... .2

Results......................................................................................................................... 4
Species Composition and Relative abundance...................................................4

Colorado squawfish catch................................................................................ 5

Physical habitat................................................................................................ 8
Transport abundance of Colorado squawfish larvae..........................................9
Relationship with fall year class strength......................................................... 10

Conclusions................................................................................................................ 13

Addendum................................................................................................................. .14

Appendix A
Formulae used in calculating catch rates........................................................... 17
Formulae used in back calculating age..............................................................17

t

Appendix B
Table B1. Most common species, and status, found in the Colorado River in the

study area...................................................................................................... .18

References................................................................................................................. .19

Figures 1-12......................................................................................................... ...... .20

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