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Last modified
7/14/2009 5:02:36 PM
Creation date
5/24/2009 7:32:34 AM
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UCREFRP
UCREFRP Catalog Number
9588
Author
Bestgen, K. R. and e. al.
Title
Population Status of Colorado Pikeminnow in the Green River Basin, Utah and Colorado.
USFW Year
2005.
USFW - Doc Type
Fort Collins, CO.
Copyright Material
NO
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for encounters with non-native predators such as northern pike Esox lucius, but only in the <br />Yampa and middle Green River reaches, because pike were rare elsewhere. <br />We recommend continuing with the sampling protocol for Colorado pikeminnow in the <br />Green River Basin as called for in the Recovery Goals. Increased sampling effort may be needed <br />during the next abundance estimation sampling period in some areas to fill in small sampling <br />gaps and increase precision of estimates. Means to obtain higher probabilities of capture of <br />Colorado pikeminnow in reaches where abundance estimates were relatively imprecise, such as <br />increasing effort or adding alternative gears, should also be investigated. A better understanding <br />of factors that influence adult survival rates and the link between abundance dynamics of early <br />life stages of Colorado pikeminnow and recruitment to later life stages would assist managers <br />tasked with conservation of Colorado pikeminnow. <br />5
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