6008

• UCREFRP Catalog Number: 6008
• Author: Archer, D. L., H. M. Tyus, L. R. Kaeding, C. W. McAda and B. D. Burdick.
• Title: Colorado River Fishes Monitoring Project
• USFW Year: 1984.
• USFW - Doc Type: Second Annual Project.
• Copyright Material: NO

LIST OF FIGURES
Page
1. Map of the study area ..................................... 3
2. Movement of 15 radiotagged Colorado squawf ish, Green
^ River, 1983 ............................................. 8
3. Colorado squawf ish migration to spawning grounds in the
Green river, 198 183 .................................... 9
4. Colorado squawf ish migration to spawning grounds in the
Yampa River, 1983 ....................................... 10
.
5. Colorado squawf ish migration to spawning grounds in the
Yampa River, 1981 ...................................... it
6. Colorado squawfish primary spawning and nursery areas,
Green River Basin ...................................... 12
7. Movement of radiotagged Colorado squawfish of adult size --
in the Colorado River, 1982 and 1983 ................... 17
8. Relative abundance of age-0 Colorado squawfish collected
by b-mm-mesh seine from backwaters in ZO-mile reaches
of the Colorado River, Utah and Colorado, September,
1982 ................................................... 18
9. Movement of ten radiotagged humpback chub in the Black
Rocks area of the Colorado River, Colorado, April-July,
].983 ................................................... 20
10. Mean catch per effort of young-of-the-year Colorado
squawf ish with seines, Green River, 1979-82...,........ 23
17.. Mean catch per effort of young-of-the-year Colorado
squawf ish with seines, Green River, 1983 ............... 24
12. Relative abundance of age-0 Colorado squawfish collected
by 3-mm-mesh seine from backwaters in 10-mile reaches
of the Colorado River, Utah and Colorado, September
(above) and October (below), 1983 ...................... 25
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