7858

• UCREFRP Catalog Number: 7858
• Author: U.S. Fish and Wildlife Service.
• Title: Draft Greenback Cutthroat Trout Recovery Plan.
• USFW Year: 1995.
• USFW - Doc Type: \
• Copyright Material: NO

TABLE OF CONTENTS
DISCLAIMER i
ACKNOWLEDGEMENTS ii
EXECUTIVE SUIrIIdARY iii
1 PART I INTRODUCTION 1
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Historic Distribution 1
Type Specimens 1
Taxonomy 4
Current Distribution 5
Reasons for Decline 7
Habitat Requirements 9
Reproduction 9
' Food and Feeding 10
Size and Growth 10
Disease and Parasites . 11
Sensitivity to pH
. I1
.
Heavy Metals 12
Management Practices 12
PART II RECOVERY 17
' Objective ~ 17
5tepdown Outline 19
Narrative Outline 21
PART III IMPLEMENTATION 35
LITERATURE CITED 39
' PUBLIC REVIEW 41
PART IV FIGURES, TABLES, AND APPENDICES
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Figure 1. Mature South Platte drainage greenbacks.. .
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Figure 2. Historic distribution of greenback cutthroat trout 3
' Figure 3. Comparison of selected parameters for various Colorado
subspecies of O. clarki and rainbow trout. .
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Table 1. Summary of Known Historic Greenback Cutthroat Trout Sites
and Stability of Population. 1970-1994. 43
' Table 2. Summary of South Platte Greenback Cutthroat Trout
Restoration Projects, 1970-1994.
. 44
Table 3. Summary of Arkansas River Greenback
Cutthroat Trout
Restoration Projects, 1970-1992. 47
' Table 4. Summary of Greenback Historic Populations, Restoration
Projects, Areas Open to Angling and Stable Populations. 1994. 49
Table 5. Hybrid Populations of Greenback Cutthroat Trout. 1994. 50
Table 6. South Platte Greenback Restoration Projects
and
Stocking
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•
Schedule.
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Table 7. Arkansas River Greenback Restoration Projects and
Stocking
Schedule. 52
Table 8. South Platte River Drainage Greenback
Research Cutthroat
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Trout Stocking Sites. 1994-2007.
53
Table 9. Arkansas River Drainage Research Greenback Cutthroat Trout
Stocking Sites. 1994-2007.
. 56
Appendix 1. Summary of Recovery History,
1959-1994 57
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