9681

• UCREFRP Catalog Number: 9681
• Author: Burdick, B.
• Title: Biological Criteria For Use Of Fish Passage In The Recovery Of Threatened and Endangered Fishes in the Upper Colorado River Basin - Draft.
• USFW Year: 1988.
• USFW - Doc Type: \
• Copyright Material: NO

Proposed: None
Situation Ab. Instream barrier in occupied reaches designated as confirmed
spawning areas for Colorado squawfsh.
Example: Existing: Tusher Wash, Green River; Type: Low
Proposed: None
Situation Ba. Instream barrier in occupied reaches designated as
concentration areas.
Example: Existing: Tusher Wash, Green River; Type: Low
Proposed: Juniper/Cross Mountain, Yampa River;
Type: High
Situation Bb. Instream barrier in occupied reaches designated as suspected
spawning areas.
Example: Existing: Tusher Wash, Green River; Type: Low
Proposed: None
Situation C. Instream barrier in occupied reaches designated as
distribution areas minus concentration areas.
Example: Existing: Tusher Wash, Green River; Type: Low
Taylor Draw, White River; Type: High
Redlands, Gunnison River; Type: Medium
Proposed: Juniper/Cross Mountain, Yampa River;
Type: High
Situation D. Instream barrier in reaches designated as historic, unoccupied
habitats, e.g., migration routes.
Example: Existing: Tusher Wash, Green River; Type: Low
Taylor Draw, White River; Type: High
Redlands, Gunnison River; Type: Medium
Grand Valley Diversion, Colorado River;
Type: Low
Price Stub Dam, Colorado River;
Type: Medium
Proposed: Juniper/Cross Mountain, Yampa River;
Type: High
For each of the three barrier types, the following items have been considered
and are discussed:
Item
1. Biological consequences of a barrier to the fish population
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