7615

• UCREFRP Catalog Number: 7615
• Author: McAda, C. W.
• Title: Evaluation of the Interagency Standardized Monitoring Program.
• USFW Year: 1989.
• USFW - Doc Type: Grand Junction, Colorado.
• Copyright Material: NO

Table B. Power of the young-of-the-year Colorado squawfish monitoring
program to detect differences in catch rate, by river.
Colorado River Green River
---------------------- ---------------------
Percent Present Double Present Double
Increase Sample Present Sample Present
in Size Sample Size Sample
Catch/Rate Size Size
(85) (170) (150) (300)
TWO-YEAR PERIOD
50 .46 .68 .88 .98
100 .93 .99 .99 .99
150 .99 .99 .99 .99
200 .99 .99 .99 .99
250 .99 .99 .99 .99
300 .99 .99 .99 .99
350 .99 .99 .99 .99
FIVE-YEAR PERIOD
50 .58 .82 .95 .99
100 .98 .99 .99 .99
150 .99 .99 .99 .99
200 .99 .99 .99 .99
250 .99 .99 .99 .99
300 .99 .99 .99 .99
350 .99 .99 .99 .99
18