8185

• UCREFRP Catalog Number: 8185
• Author: Valdez, R. A. and B. R. Cowdell.
• Title: Annual Summary Report-1992\
• USFW Year: 1993.
• Copyright Material: NO

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Figure 1.

Figure 2.

Figure 3.

Figure 4.

LIST OF TABLES

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Trip schedules for age-O Colorado squawfish sampling of the Colorado and Green

Rivers, 1987-1992. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3

Range in temperatures and flows of the Green and Colorado Rivers during the age-O
Colorado squawfish monitoring programs, 1987-1992. ......................... 9

Number of age-O Colorado squawfish, geometric mean CPE, and mean total length
for the 1987-1992 year classes in Reach 3, Green River (RM 120-0) ............. 11

Number of juvenile Colorado squawfish and range in total length for 1987-1992 fall
and spring sampling in Reach 3, Green River (RM 120-0) . . . . . . . . . . . . . . . . . . . .. 12

Number of age-O Colorado squawfish, geometric mean CPE, and mean total length
for the 1989-1992 year class in Reach 4, Green River (RM 319-200). . . . . . . . . . . . .. 13

Number of age-O Colorado squawfish, geometric mean CPE, and mean total length
for the 1987-1992 year classes in Reach 1, Colorado River (RM 50-0Y. ........... 14

Number of juvenile Colorado squawfish and range in total length for 1987-1991 fall
and spring sampling in Reach 1, Colorado River (RM 50-0). . . . . . . . . . . . . . . . . . .. 15

Geometric mean CPE for varying backwater depths during all fall and spring
sampling in Green River Reach 3, 1987-1992 .............................. 20

UST OF FIGURES

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River reaches sampled during post-larval, age-O Colorado squawfish monitoring. 2

Length frequency histograms for all fall and spring age-O Colorado squawfish
sampling of Reach 3, on the Green River, 1987-1992. ........................ 17

Geometric mean CPE for all five-mile river sections sampled in Green River Reach
3 during fall and spring sampling (1987 through 1992 combined). ............... 18

Cumulative geometric mean CPE for all five-mile river sections sampled in Green
River Reach 3 during fall and spring sampling (1987 through 1992 combined). ..... 19

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