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Last modified
7/14/2009 5:02:28 PM
Creation date
5/17/2009 11:07:19 PM
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UCREFRP
UCREFRP Catalog Number
3100
Author
Valdez, R. A.
Title
Cataract Canyon Fish Study (Fisheries Biology and Rafting)
USFW Year
1985.
USFW - Doc Type
Final Report.
Copyright Material
NO
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<br />5-l <br /> <br />5.0 RECOMMENDATIONS <br /> <br />1. A similar investigation is recommended in 1986 <br /> <br />2. A total of 6 trips is recommended <br /> <br />3. The first field trip should begin no later than July 1 for: <br />a. relocating, netting, and electrofishing radiotagged adult Colorado <br />squawfish <br />b. working larval drift nets on both rivers at the confl uence, Cross <br />Canyon, Cataract Lake, and Ten Cent Rapid <br /> <br />4. The second trip should begin around July 15 for: <br />a. rel ocati ng and netti ng rad iotagged adult Colorado squawfi sh <br />b. working larval drift nets on both rivers at the confluence, Cross <br />Canyon, Cataract Lake, and Ten Cent Rapid <br />c. seining for YOY from confluence to Clearwater Canyon <br /> <br />5. The third trip should begin around August 7 for: <br />a. working larval drift nets on both rivers at the confluence, Cross <br />Canyon, Cataract Lake, and Ten Cent Rapid <br />b. seining for YOY from confl uence to Cl earwater Canyon <br />c. el ectro fi shi ng and netting for endangered fi shes <br /> <br />6. Trips 4, 5, and 6 should be held in late August and September to: <br />a. seine for YOY from confluence to Clearwater Canyon <br />b~ electrofish and net for endangered fishes <br /> <br />7. Launch sites should be al ternated between Potash and Mineral Bottom <br />(for seining the lower 40 miles of the Green River) <br /> <br />8. Strategic location of 1 arval dri ft nets in 1986 on both rivers at the <br />confluence and in and below Cataract Canyon should provide insight into <br />the origin of the YOY squawfish in this region. <br /> <br />
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