7989

• UCREFRP Catalog Number: 7989
• Author: Crowl, T. A. and N. W. Bouwes.
• Title: Modeling Population Dynamics of Colorado Squawfish, Razorback Sucker, and Humpback Chub
• USFW Year: 1997.
• USFW - Doc Type: for Management Objective Development.
• Copyright Material: NO

LIST OF TABLES
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Table 1. River section descriptions ...................................... 5
Table 2. B-method table used to estimate abundance and survivorship of
Colorado squawfish ........................................... 16
Table 3. Numbers and survivorship estimates of adult Colorado squawfish using
the Jolly-Seber method ........................................ 17
Table 4. Initial adult numbers and carrying capacity for each section for each
life stage for Colorado squawfish ................................ 19
Table 5. Number of runs out of 100 falling below 125 individuals (25 females) for
the Colorado, lower and upper Green Rivers respectively .............. 22
Table 6. Number of runs out of 100 falling below 250 individuals (50 females) for
the Colorado, lower and upper Green Rivers respectively .............. 23
Table 7. Number of runs out of 100 falling below 500 individuals (100 females) for
the Colorado, lower and upper Green Rivers respectively .............. 24
Table 8. Parameter estimates -Colorado squawFish . ........................ 30
Table 9. Parameter estimates -Razorback sucker .......................... 34
Table 10. Initial adult numbers and carrying capacity for each section for
each life stage for Razorback sucker ............................. 35
Table 11. Parameter estimates -Humpback chub ........................... 39
Table 12. Initial adult numbers and carrying capacity for each section for each
life stage for Humpback chub ................................... 40
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