6025

• UCREFRP Catalog Number: 6025
• Author: Kaeding, L. R. and D. B. Osmundson.
• Title: Report on the Studies of the Endangered Fishes of the Upper Colorado River As Part of Conservation Measures for the Green Mountain and Ruedi Reservoir Water Sales
• USFW Year: 1988.
• USFW - Doc Type: Second Annual Progress Report.
• Copyright Material: NO

LIST OF TABLES
Table
Page
1. Electrofishing catch per effort for Colorado squawfish and
razorback sucker in three contiguous river reaches during
spring, 1986 and 1987 ............................................. 6
2. Electrofishing catch per effort for Colorado squawfish in
the lower 2.2-mile reach of the Gunnison River, 1987 .............. 6
3. Data for larval Colorado squawfish collected in 1986 and 1987..... 12
4. Catch rates for fish species collected during young-of-the-year
sampling in two adjacent Colorado River reaches, 1986 ............. 14
5. Data for young-of-the-year Colorado squawfish collected
from the Colorado River on 1 October 1986 and 23 September
1987 ............................................................... 15
6. Percent species composition of larval samples collected
' between 16 July and 28 August 1986, and between 13 July and
28 August 1987, and pooled within three adjacent river
reaches ....................... ................................. 21
7. Mean difference between temperature at the location of
captured or radio-tagged Colorado squawfish and the adjacent
main river channel........ ....................................... 27
' Appendix. Summary data for Colorado squawfish and razorback
sucker caught or seen while electrofishing and trammel netting
' during 1986 and 1987 in the Grand Valley, Colorado ................ 53
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