7137

• UCREFRP Catalog Number: 7137
• Author: Jones, R. L. and H. M. Tyus.
• Title: Recruitment of Colorado Squawfish in the Green River Basin, Colorado and Utah 1979-1984.
• USFW Year: 1985.
• USFW - Doc Type: Vernal Utah.
• Copyright Material: NO

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LIST OF FIGURES (CONT.) PAGE
Figure 4. Mean daily discharge for 1979-80 and 1983-84 at Jensen,
Utah USGS gauging station (RM 301.8) during critical life
stages of Colorado squawfish .................................. 7
Figure 5. Catch of larval Colorado squawfish from ephemeral
embayments, fall monitoring program, Green River 1979......... 8
Figure.6. Catch of larval Colorado squawfish from ephemeral
embayments, fall monitoring program, Green River 1980......... 9
Figure 7. Catch of larval Colorado squawfish from ephemeral
embayments, fall monitoring program, Green River 1981........ 10
Figure 8. Catch of larval Colorado squawfish from ephemeral
embayments, fall monitoring program, Green River 1982........ 11
Figure 9. Catch of larval Colorado squawfish from ephemeral
embayments, fall monitoring program, Green River 1983........ 12
Figure 10. Catch of larval Colorado squawfish from ephemeral
embayments, fall monitoring program, Green River 1984........ 13
Figure 11. June-October mean daily discharge for 1979-84 at Jensen,
Utah USGS gauging station (RM 301.8) ......................... 15
Figure 12. Relationship between catch-per-unit-effort (fish/100m2)
of larval Colorado squawfish in backwater habitat and mean
August-September discharge in the Green River ................ 17
Figure 13. Relationship between mean total length at the end of
the growing season and mean August and September discharge
in the Green River ........................................... 20
Figure 14. Present discharge, target discharge, and flow window for
-a normal runoff year, Ouray site, Green River, Utah.......... 21
Figure 15. Area of nursery habitat available to YOY Colorado
squawfish at Ouray site, Green River, Utah ................... 23
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