6008

• UCREFRP Catalog Number: 6008
• Author: Archer, D. L., H. M. Tyus, L. R. Kaeding, C. W. McAda and B. D. Burdick.
• Title: Colorado River Fishes Monitoring Project
• USFW Year: 1984.
• USFW - Doc Type: Second Annual Project.
• Copyright Material: NO

T ~ ~
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Table 7, Mean catch per unit effort (CPUE) for age-0 Colorado squawfisll (CS) collected by 3-mm-mesh seine
from backwaters in 10-mile reaches of the Colorado River, September and October, 1983.

10-mile
river reach
(river mile index)

No. of
seine hauls September, 1983

No. of Total
hauls w/CS (%) effort (m2)

CPUE
(CS/lOm2)

No. of
seine hauls October, 1983

No.•of Total
hauls w/CS (%) effort (m2)

CPUE
CS/lOm2)
190-180.1 3 0( 0) 182 0 1 0( 0) 36 0
180-170.1 7 0( 0) 364 0 5 0( 0) 205 0
170-160.1 S 1( 20) 564 0.09 8 3( 38) 381 0.38
160-150.1 5 1( 20) 416 0.04 4 1( 25) 162 0.04
150-140.1 4 1( 25) 204 0.25 2 0( 0) 124 0
140-130.1 4 2( 50) 248 0.08 1 0( 0) 20 0
130-120.1 5 0( 0) 345 0 2 0( 0) 72 0
120-110.1 - - _ _ _ _ _ _
110-100.1 4 4(100) 251 1.57 4 0( 0) 104 0
100- 90.1 4 4(100) 272 0.59 4 ~ 1( 25) 252 0.40
90-80.1 2 0( 0) 170 0 2 1( 50) 152 011
BO-70.1 2 2(100) 89 2.78 2 1( 50) 72 0.28
70-60.1 1 1(100) 60 0.33 4 1( 25) 228 0.04
60-50.1 - d „ - - - 1 0( 0) 20 0
50-40.1 - - - - 2 0( 0) 160 0
40-30.1 - - - - 3 2( 67) 107 0.17
30-20.1 - - - - 4 2( 50) 106 0.18
20-10.1 - - - - 4 2( 50) 210 1.16
10- 0.1 - - - - 3 1( 33) 104 0.05
aData for river mile 0-60 not yet available for September