7059

• UCREFRP Catalog Number: 7059
• Author: Binns, N. A.
• Title: Effects of Rotenone Treatment on the Fauna of the Green River, Wyoming.
• USFW Year: 1967.
• USFW - Doc Type: Fisheries Research Bulletin Number 1,
• Copyright Material: NO

TABLE OF CONTENTS
INTRODUCTION 8
DESCRIPTION OF STUDY AREA ... ............................................................... 12
METHODS .. ................................. ............... 30
Treatment Mechanics ..... _ ...................................... ............... 30
Fish Sampling .... ....................... ............... 31
Invertebrate Sampling .. .. .......................:.................................. ............... 32
Determination of Rotenone Concentration ................................. ............... 36
RESULTS .............................. ..................................................... ............... 37
Fish .........._ ........................_.................................................. ............... 37
Pretreatment .... . _ _ _ ........ ............................................ ............... 37
Green River Treatment Observations .................................... ............... 44
Post-treatment Fish Investigations ......................................... ............... 51
Invertebrates .................................................................................. .............. 57
Station A _ .............................................................. .............. 57
Station B _. :... ....._ ............................................... .............. 57
Station C _ ........................................................ .............. 61
Station D _.._ ...................................................... .............. 66
Station E ................... .............. 70
Station F .................................... .............. 71
Station G _ .............. .............. 76
Station H _.. _........._ ......................................... .............. 81
Station I ................................................................... .............. 87
Lower River ............................................................................. .............. 91
DISCUSSION .......................................... .......................................... .............. 96
Ecological Aspects .......................................................................... ..............100
Final Status of the Fauna .............................................................. ..............102
Evaluation of Rotenone Determination Methods .......................... ..............103
Evaluation of Treatment ............................................................. ..............103
BIBLIOGRAPHY ...............................................................................................104
APPENDICES .....................................................................................................108
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