9447

• UCREFRP Catalog Number: 9447
• Author: Burdick, B. D.
• Title: Evaluation of Stocking Sub-Adult Colorado Pikeminnow Via Translocation in the Upper Colorado River Between Palisade and Rifle, Colorado.
• USFW Year: 2003.
• USFW - Doc Type: 105,
• Copyright Material: NO

TABLE OF CONTENTS
LIST OF TABLES ..........................................................v
LIST OF FIGURES ..........................................................v
LIST OF APPENDIX TABLES AND FIGURES .................................. vi
ACKNOWLEDGMENTS .................................................... vii
EXECUTIVE SiJMMARY .................................................. viii
INTRODUCTION ..........................................................1
General .............................................................1
Purpose and Objectives ................................................. 4
Study Area ...........................................................5
METHODS ................................................................5
Fish Collections/Handling/Stocking ........................................ 5
Radiotelemetry ........................................................9
Surgical Procedures .............................................. 9
Telemetry Equipment ............................................. 9
Transmitters ..............................................9
Receivers ...............................................10
Antennas ................................................12
Flow and Water Temperature Data ....................................... 12
Statistical Testing ..................................................... 13
RESULTS AND DISCUSSION ............................................... 13
Fish Radio Tagged in 2000 .............................................. 13
Wild Fish .....................................................13
Domestic Fish .................................................. 16
Fish Radio Tagged in 2001 .............................................. 18
Loss of Colorado Pikeminnow in Irrigation Canals ............................ 32
Residency by Colorado Pikeminnow: Government Highline Dam to Rifle ........... 34
Physical Habitat ................................................35
Fish Community ................................................ 40
CONCLUSIONS ...........................................................42
RECOMMENDATIONS .....................................................43
UNCERTAIlV'TIES ......................................................... 44
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