8055 ‎(2)‎

• UCREFRP Catalog Number: 8055
• Author: Crowl, T. A. and N. W. Bouwes.
• Title: A Population Model for Four Endangered Colorado River Fishes - Final Report.
• USFW Year: 1998.
• USFW - Doc Type: Logan, Utah.
• Copyright Material: NO

LIST OF TABLES
P~_
Table 1. River section descriptions ..................................... 5

Table 2. B-method table used to estimate abundance and survivorship of
Colorado squawfish .......................................... 19

Table 3. Numbers and survivorship estimates of adult Colorado squawfish using
the Jolly-Saber method .. .................................... 21

Table 4. Initial adult numbers and carrying capacity for each section and each
fife stage for Colorado squawfish ............................... 22

able 5.
T Number of runs out of 100 fallin below 125 individuals 25 females for
g ( )
the Colorado, lower and upper Green Rivers respectively ............. 26
Table 6. Number of runs out of 100 falling below 250 individuals (50 females) for
the Colorado, lower and upper Green Rivers respectively ........:.... 27
Table 7. Number of runs out of 100 falling below 500 individuals (100 females) for
the Colorado, lower and upper Green Rivers respectively. ........... 28
Table 8. Carrying capacity values for each section and life stage used to assess
model sensitivities .. ........................................ 31
Table 9. Parameter estimates for Colorado squawfish ..................:.... 40
Table 10. Parameter estimates for razorback sucker ........................ 44
Table 11. Initial adult numbers and carrying capacity for each section and
each life stage for razorback sucker ............................. 45
Table 12. Parameter estimates for humpback chub ......................... 48
Table 13. Initial adult numbers and carrying capacity for each section and each
fife stage for humpback chub .................................. 50