9526

• UCREFRP Catalog Number: 9526
• Author: LaGory, K. E., J. W. Hayse and D. Tomasko.
• Title: Recommended Priorities for Geomorphology Research in Endangered Fish Habitats of the Upper Colorado River Basin.
• USFW Year: 2003.
• USFW - Doc Type: Argonne, Illinois.
• Copyright Material: NO

Geomorphology Research Priorities
CONTENTS (Cont.)
September 2003
7 RECOMMENDATIONS ................................................................................................. 87
8 LITERATURE CITED .................................................................................................... 93
APPENDIX A. WORKSHOP PARTICIPANTS .................................................................. A-1
APPENDIX B. REACH AND HABITAT PRIORITIES BASED ON POTENTIAL
POPULATION DISTRIBUTIONS ....................................................................................... B-1
APPENDIX C. RELATIONSHIPS BETWEEN HABITAT CHARACTERISTICS
AND GEOMORPHIC PARAMETERS ................................................................................ C-1
FIGURES
1 Map of the Upper Colorado River Basin ...................................................................... 3
2 Linked-Matrix Approach to Determine Research Priorities for Reaches,
Habitats Life Stages, and Species ................................................................................. 12
3 Green River Reaches and Tributaries ........................................................................... 14
4 Upper Colorado River Reaches and Tributaries ........................................................... 15
TABLES
1 Location and Dominant Planforms of River Reaches of the
Upper Colorado River Basin ......................................................................................... 16
2 Characteristics of Habitat Types Important to Endangered Fishes ............................... 20
3 Hydrologic and Geomorphic Parameters and Their Relationship to the
Characteristics of Endangered Fish Habitats ................................................................ 21
4 Geomorphic and Habitat Studies Conducted in the Green River ................................. 24
5 Geomorphic and Habitat Studies Conducted in Green River Tributaries ..................... 27
6 Geomorphic and Habitat Studies Conducted in the Upper
Colorado River and Tributaries .................................................................................... 29
7 Relative Use of Reaches by Life Stages of the Colorado Pikeminnow ........................ 36
8 Relative Use of Reaches by Life Stages of the Humpback Chub ................................. 37
9 Relative Use of Reaches by Life Stages of the Razorback Sucker ............................... 38
10 Relative Occurrence and Use of Habitats by Colorado Pikeminnow,
Humpback Chub, and Razorback Sucker Life Stages in Different
Planform Types ............................................................................................................. 39
11 Reach-Habitat Scores for Colorado Pikeminnow Larvae ............................................. 42
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