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Last modified
7/14/2009 5:02:29 PM
Creation date
5/24/2009 7:12:58 AM
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UCREFRP
UCREFRP Catalog Number
7079
Author
Carlson, C. A., et. al.
Title
Fishes and Macroinvertebrates of the White and Yampa Rivers, Colorado
USFW Year
1979.
USFW - Doc Type
Final Report on a Baseline Survey Conducted for the Bureau of Land Management.
Copyright Material
NO
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Miller (1959) reported that 74% of the Colorado River System fishes <br />~vere endemic. Today, the upper and middle basins are the only refuges for the <br />remaining large-river fishes (Holden and Stalnaker 1975a and b). Consumptive <br />use of Yampa River water is expected to triple between 1976 and 1985 (Steele <br />1975), and major Yampa River impoundments at Juniper Springs and Cross Mountain <br />Canyons have been proposed. Even greater depletions of the waters of the <br />White River are expected as a result of oil shale processing. Potential effects <br />of these changes on aquatic biota must be evaluated. <br />Athearn (1977) described the history of human occupation and use of <br />the area containing the White and Yampa Rivers. Studies of the streams them- <br />selves were limited before current interest in endangered species and energy <br />development in northwestern Colorado. To place our study in historical and <br />scientific perspective, a roughly chronological summary of available informa- <br />tion on the White and Yampa Rivers, with emphasis on aquatic biota (and parti- <br />cularly fishes), follows. <br />White River <br />Most of the earlier work on the river was conducted for sport-fish <br />management purposes. Feast (1938), in a paper on the feasibility of trans- <br />planting whitefish from the White River to the Roaring Fork and Eagle Rivers, <br />described the White River and its drainage basin. The "fish environment," <br />with an abundance of mountain whitefish (Prosopium williamsoni), and <br />the food grade of the White River were reported as excellent. Feast <br />concluded that whitefish should not be transplanted as proposed. Hess and <br />Klein (1947) inc~uded the White River in a group of rivers censused in <br />3 <br />
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