9314 ‎(2)‎

• UCREFRP Catalog Number: 9314
• Author: Wick, E. J. and J. A. Hawkins.
• Title: Colorado Squawfish Winter Habitat Study.
• USFW Year: 1989.
• USFW - Doc Type: Fort Collins.
• Copyright Material: NO

LIST OF FIGURES
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Page
1 Map of Yampa River study area . . . . . . . . . . . . . . . . . . 4
2 Map of backwater habitat during the winter at RW 95.7
within the Government Bridge study area, Yampa River . . . . . . . 5
3 Map of embayment habitat during initial ice formation
at RMI 81.1 within the Maybell study area, Yampa River . . . . . . 7
4 Cross-section of solid ice and associated water depth and
ice thickness measurements . . . . . . . . . . . . . . . . . . . . 13
5 Cross-section of solid ice, frazil ice, and associated
water depth and ice thickness measurements. . . . . . . . . . . . 13
6 habitat utilization by radiotagged Colorado squawfish
during the winter from December 1, 1986 to March 6, 1987
on the Yampa River, Colorado . . . . . . . . . . . . . . . . . . . 22
7 Habitat utilization by radiotagged Colorado squawfish
during the winter from December 1, 1987 to March 18, 1988
on the Yampa River, Colorado . . . . . . . . . . . . . . . . . . . 22
8 Mean monthly discharge on the Yampa River, October through
March (1917-1988) at Maybell, Colorado compared to mean monthly
discharge during 1987 and 1988 water years . . . . . . . . . . . . 23
9 Habitat utilization by radiotagged Colorado squawfish
during the fall from September 21, to November 20, 1987
on the Yampa River, Colorado . . . . . . . . . . . . . . . . . . . 25
10 Habitat utilization by radiotagged Colorado squawfish
during the spring from April 5 to June 30, 1988
on the Yampa River, Colorado . . . . . . . . . . . . . . . . . . . 25
11 Total and effective depth utilization (normalized) in
backwater, embayment, and eddy habitats by radiotagged
Colorado squawfish during two winters (1986-1987 and
1987-1988) on the Yampa River, Colorado . . . . . . . . . . . . . 29
12 Total and effective depth utilization (normalized) in
pool, run, and shoreline habitats by radiotagged
Colorado squawfish during two winters (1986-1987 and
1987-1988) on the Yampa River, Colorado . . . . . . . . . . . . . .30
13 Velocity utilization (normalized) in each habitat
by radiotagged Colorado squawfish during two winters
(1986-1987and 1987-1988) on the Yampa River, Colorado . . . . . . .31
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