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Last modified
8/11/2009 11:32:58 AM
Creation date
8/10/2009 5:15:10 PM
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UCREFRP
UCREFRP Catalog Number
9714
Author
Ward, D., and W. Persons.
Title
Little Colorado River fish monitoring 2004 annual report.
USFW Year
2005.
USFW - Doc Type
Arizona Game and Fish Department.
Copyright Material
NO
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<br />the necessity to refine and standardize the data so that only comparable data was included in the <br />catch trend the analysis. (See methods section for steps used to refine data prior to analysis.) <br />Catch-per-unit-effort (CPUE) indices derived from the lower 1200-meter monitoring <br />show dramatic declines in CPUE of adult humpback chub and validate mark-recapture <br />population estimates. This index of catch rate is also valuable as an independent method to <br />confirm output of age structured mark recapture (ASMR) open population models and <br />demonstrates the importance of long-term monitoring programs. Standardized monitoring <br />should be continued to compare catch rate data with population estimates from the USFWS and <br />validate ASMR stock assessment models produced by GCMRC. <br /> <br />12 <br />
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