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Last modified
7/14/2009 5:02:30 PM
Creation date
5/22/2009 7:41:33 PM
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UCREFRP
UCREFRP Catalog Number
7418
Author
Tyus, H. M. and C. A. Karp.
Title
Stream Flow Needs of Rare and Endangered Fishes, Yampa River, Colorado.
USFW Year
1988.
USFW - Doc Type
Vernal, Utah.
Copyright Material
NO
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<br />1 <br /> Humpback chub <br /> All year: Minimum flows for lower Yampa River (RM 0-56) should not be lower <br /> than 80y exceedence value (1.25 return). The long-term average flow for a 10 <br /> year period should include a frequency of law, average, and high flows, <br /> consistent with historic conditions. Temperature regimens should also be <br /> consistent with historic patterns. <br /> Spring-Summer: Peak spring flows, as reflected by historic condi tions, with <br /> appropriate temperature regimens, are recommended for successful humpback chub <br /> spawning. <br /> Bonvtail chub <br /> ?~o recommendations pending further study. <br /> <br /> Razorback sucker <br /> <br /> All year: No additional recommendations if the other species are protected. <br />Spring: Early spring runoff conditions that flood bottomlands are associated <br />with spawning. Spring flows approximating historic conditions should be <br />' maintained. <br />1 <br />' 1 DISCLAIMER: Flow recommendations are sub'ect to refinement as additional <br />J <br />information is obtained. <br />1 <br />1 <br />46 <br />
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