7785

• UCREFRP Catalog Number: 7785
• Author: Thompson, J. M.
• Title: The Role of Size, Condition, and Lipid Content in the Overwinter Survival of Age-0 Colorado Squawfish.
• USFW Year: 1989.
• USFW - Doc Type: Colorado State University,
• Copyright Material: NO

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TABLE OF CONTENTS

Paqe

TITLE PAGE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

i

ABSTRACT .......................................... i i i

ACKNOWLEDGEMENTS .................................. v

TABLE OF CONTENTS ................................. vii

LIST OF TABLES .................................... ix

LIST OF FIGURES ................................... x

INTRODUCTION ...................................... 1

METHODS

..................................,....... ..

9

RESULTS

.. .........................................

14

DISCUSSION

.................. ......................

25

REFERENCES ......................................... 35

APPENDI CES ......................................... 40

A - Lengths and weights of all small, medium,
and large Colorado squawfish removed on
days 70, 140, and 210 of the simulated

winter period ........................... 41

B - Lengths, weights, and river kilometer of
capture of wild age-O Colorado squawfish
collected from the Colorado River in
fall 1988 and spring 1989 ............... 62
C - Lengths and duration of survival for
starved small and medium fish held
under simulated winter conditions ....... 65
D - Condition factors of age-O Colorado
squawfish during the 210-day winter

per i ad .................................. 68

E - Lipid content of age-O Colorado squawfish
during the 210-day winter period ........ 71
F - Calculation of lipid content for age-O
Colorado squawfish held under simulated
winter conditions (1988-1989) ........... 74

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