9654

• UCREFRP Catalog Number: 9654
• Author: U.S. Fish and Wildlife Service.
• Title: Results of the Interagency Standardized Monitoring Program, 1990.
• USFW Year: 1991.
• USFW - Doc Type: Grand Junction, CO.
• Copyright Material: NO

.75
N
~ .50
O
~ .25
w 0
U
~ b
N
~ 5
U
.~ 4
~ 3
O
~ 2
C~
1
Reach 1
z~ {

86 87 88 89 90
Reach 3
I ~
F
.75
.50
.25
1.5
1
1.0
I I
Reach 2
I {_~ _~1
86 87 88 89 90
Reach 4
~ ~
86 87 88 89 90 ~ 86 87 88 89 90
Year Year
Figure 3. Geometric-mean catch per unit effort (CPUE: Colorado squawfish
captured per 10 m' sampled) for the five years of the age-0 Colorado
squawfish monitoring program. Data from primary and secondary backwaters
were combined; the correction factor (Table 6) was not used. Reaches 1
and 2 are in the Colorado River and reaches 3 and 4 are in the Green
River. Bars indicate ± 1 standard error.
14