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Last modified
7/14/2009 5:02:33 PM
Creation date
5/22/2009 5:27:22 PM
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UCREFRP
UCREFRP Catalog Number
8106
Author
Anderson, R. M.
Title
Riverine Fish-Flow Investigations.
USFW Year
1998.
USFW - Doc Type
Fort Collins, Colorado.
Copyright Material
NO
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<br />- -.. - SIrota 6 <br /> <br />-Total <br /> <br />----- Strata 8 <br /> <br /> 35,000 <br /> - 30,000 <br /> CD <br />~ CD <br /> LL 25,000 <br /> 0 <br /> 0 <br /> 0 <br /> ""'" 20,000 <br /> ... <br /> CD <br /> C. <br /> - <br /> ~ 15,000 <br /> t:: <br /> - <br /> C'lS 10,000 <br /> f <br /> <t <br /> 5,000 <br /> 0 <br /> 0 <br /> <br /> <br />- -, - . - - . - ~ - - - - - - : - . . . . - <br /> <br />50 <br /> <br />100 <br /> <br />150 200 250 300 350 <br />Modeled Flow (cfs) <br /> <br />400 <br /> <br />450 <br /> <br />500 <br /> <br />Figure 7. Squawfish-daytime-habitat/Flow relationship for Strata 6 and 8. <br /> <br />Colorado squawfish were observed to be active at night and were found to occupy <br /> <br />run and riffle habitats presumably for foraging (Miller, 1997). The inflection point for <br /> <br />the mean curves was 100 cfs for Strata 6, 8, and combined (Figure 8). Strata 8 averaged <br /> <br />higher night (foraging) squawfish WUA at all flows. At 150 cfs, Strata 8 had 28% more <br /> <br />WUA than Strata 6. Sixty-four percent of the habitat provided at 300 cfs was still <br /> <br />available at a flow of 100 cfs. <br /> <br />26 <br />
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