7057

• UCREFRP Catalog Number: 7057
• Author: U.S. Fish and Wildlife Service, U. C. R. B. S.
• Title: Rare and Endangered Colorado River Fishes, Sensitive Areas
• USFW Year: 1984.
• USFW - Doc Type: a Report to the UCRBCC.
• Copyright Material: NO

Classification: YOY (Post Larval) high density nursery areas
Criterion
Average catch per effort for years of record YOY by seines exceeds 0.9/lOm2.
Reach Designations (Figure 6)
General Location - River Miles
Colorado River
Upper Professor Valley 70 to 80
Green River
Lower Green River to Gray Canyon 0 to 160
Ouray/Jensen 200 to 290
Classification: YOY nursery areas
Criterion
Catch per effort of young-of-the year greater than 0.09/14n2
Reach Designations (Figure 6)
General Location River Miles
Colorado River
Green River Confluence-Moab 0 to 60
Dolores lover-Westwater 90 to 110
Loma 140 to 150
Downstream from Gunnison River 160 to 70
Green River
Confluence to Echo Park 0 to 345
ahabitat defined as within-channel ephemeral embayments with water velocity
near or at 0 fps and depth less than 3 feet.
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