9556

• UCREFRP Catalog Number: 9556
• Author: Bestgen, K. R., K. A. Zelasko and C. T. Wilcox.
• Title: Non-native fish removal in the Green River, Lodore and Whirlpool canyons, 2002-2006, and fish community response to altered flow and temperature regimes, and non-native fish expansion.
• USFW Year: 2007.
• USFW - Doc Type: 115,
• Copyright Material: NO

Objective 7. Conduct non-native fish removal and fish community sampling into
Whirlpool Canyon.
Objective 8. Collect flow data in Whirlpool Canyon USGS stations at the Deerlodge
Park gage on the Yampa River, and the Greendale, Utah and Jensen, Utah gages on
the Green River.
Objective 9. Collect water temperature data in Whirlpool Canyon.
Objective ] 0. Based on the conclusions of these investigations (Obj. 1-9),
recommend a process to monitor future effects of operations at Flaming Gorge Dam
on the downstream fish community.
Goal. Characterize the humpback chub Gila cypha population in Whirlpool Canyon.
Objective 11. Gather preliminary information to describe the distribution, relative
abundance, and size structure of Gila spp. in Whirlpool Canyon through the fish
community sampling methodologies.
Objective 12. Characterize morphology of the Gila spp. collected in Whirlpool
Canyon (Douglas et al. 1989; 1998).
Objective 13. Develop program to monitor the humpback chub population in
Whirlpool Canyon.
6