9458

• UCREFRP Catalog Number: 9458
• Author: National Park Service.
• Title: Workshop on Population Estimates for Colorado Pikeminnow and Humpback Chub.
• USFW Year: 2001.
• USFW - Doc Type: Fort Collins.
• Copyright Material: NO

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DEC-04-2001 rUE 11:59 AM FISHERY & WILDLIFE

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White River sampling, 2001

. A total of 3 (3) passes completed
. 20 (22) sampling days
. 204 (127) hours electl"oflShing time
. Total 0[212 (289) individuals captured
(ISMP 1991-1999 ... 281 fish)
. Total of26 (26) recaptures (two twice),
12% rate

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FAX NO, 9704915091

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White River sampling, 2000

. A toul of 3 passes completed
· 22 sampling days
. 127 hours electroflShing time (low)
. Total of289 individuals captufed
(ISM? 1991.1999 ilII 281 fish)
. Total of26 recaptures (three twice), 9% rate

White River abundance estimates
(3-pass data)
--..'- .". .."......-
Model N-hat SE CI p-hats
Mo. 1,120 182 837-1585 0.10
Mt 1,115 180 833.1578 0.10,0.08.0.10
--..-~' '.. ~

White River
Colorado Pikeminnow, 2001

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