1108

• UCREFRP Catalog Number: 1108
• Author: Valdez, R. A.
• Title: Fisheries Biology And Rafting Annual Summary Report - 1987
• USFW Year: 1988.
• USFW - Doc Type: ‎(Contract no. 6-CS-40-03980)‎.
• Copyright Material: NO

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Table 17.

Table 18.

Table 19.

Table 20.

Table 21.

Table 22.

Table 23.

Table 24.

Table 25.

Figure 1.

Figure 2.

Figure 3.

LIST OF TABLES
( continued)

Catch Per Unit Effort (CPE) by Species for All Fish Caught by
Seining Concavities, Cataract Canyon, 1987 . . . . . . . . .

Catch Per Unit Effort (CPE) by Species for All Fish Caught
with Drift Nets, Cataract Canyon, 1987 . . . . . . . . .

Summary of Adult and Juvenile Colorado Squawfish Handled
During the Cataract Canyon Fish study, 1987 . . . . . . .

Summary of YOY And Larval Colorado Squawfish Handled during
the Cataract Canyon Fish study, 1987 .. . . . . . . .

Comparative lengths of YOY Colorado Squawfish Captured
During 6 Trips on Comparable Sample Dates in 1985, 1986, and
1987, Cataract Canyon Region. (Number of fish in parenthasis).
These values are presented in Figure 4 . . . . . .

Average total length (XTL) and catch per unit effor (CPE) for
three year classes of Colorado squawfish in the fall after
hatching and in the spring following their first winter of
life, Cataract Canyon Region . . . . . . . . . . . . . . . .

Summary of Adult and Juvenile Humpback Chub Handled
During the Cataract Canyon Fish Study, 1987 . . . .

, Summary of YOY and Larval Humpback Chub Handled During
the Cataract Canyon Fish Study, 1987 .. . . . . . . .

Summary of Bonytail and Razorback Sucker Handled During
the Cataract Canyon Study, 1987 . . . . . . . . . . . .

LIST OF FIGURES

Cataract Canyon Study Area

Distribution of YOY Colorado Squawfish for 1985, 1986,
and 1987 in Four Regions of the Upper Colorado River.
Total Number of Fish (N), Percentage of Catch (P), and
Catch Per Unit Effort (C) are Presented For

Each Year . . . . . . . . . . . . . . . . . . . . .

Frequency of Back-calculated Hatching Dates for YOY
Colorado Squawfish from the Cataract Canyon Region in
1985, 1986, and 1987 as Compared to River Temperatures

and Flows . . . . . . . . . . . . . . . . . . . . . . .

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