7610

• UCREFRP Catalog Number: 7610
• Author: Wick, E. J. and J. A. Hawkins.
• Title: Colorado Squawfish Winter Habitat Study, Yampa River, Colorado, 1986-1987
• USFW Year: 1987.
• USFW - Doc Type: Final Report Year 1.
• Copyright Material: NO

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FREQUENCY Location: Main Hole UTI LIZATION
even vel .6 Sample Type: 24 hour
Total hours observed: 38.7

27.20 ^ --------------------------------- -
Mean velocity (feet/sec): 0.16

24 4$ Variance: 0.08
30
- 0
Minimum Velocity: 0.0 .

76
21 Maximum Velocity: 0.8 _
0'80
. Velocity Range: 0.85
13.04 - Q,70
16.32 - 0.60
13,60 - 0.50
10.88 - 0,40
8.16 - 0.30
8.44 - 0,20
2.72 - 0.10

0.00 , I I I I I I I I 0.00
0 1 .2 .3 4 .5 .6 .7 .8 .9
.6 velocity (ft/sec
Figure 14. Velocities used by 10 radiotagged adult Colorado squawfish on the
Yampa River from 1800-2400 hours, Dec 1 - Mar 21, 1986-1987.
Measurements taken at fish location during 24 hour sampling.

FREQUENCY Location: Main Hole
h
NTI
LI:RIIAN
our
Sample Type: 24
night
6 velocity
9
5
.
.
Total hours observed: 4

23.80 ---------- -----------------------
Mean Velocity (feet/sec): 0.17
- 1.00
Variance: 0.08
26,$2 Minimum Velocity: 0.0 - 0.30
Maximum Velocity: 0.9
23.$4 Velocity Range: 0.95 - 030
20.86 - 0.10
17.88 - 0.60
14.30 - 0,50
11.32 - 0.40
8.34 - 0.330
5.36 - 0.20
2.38 - 0.10

0.00 I I I I I I I I , 0.00
0 1 .2 .3 .4 .5 .6 .7 .8 .9
velocity MAW
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Figure 15. Velocities used by 10 radiotagged adult Colorado squawfish on the
Yampa River from 2400-0600 hours, Dec 1 - Mar 21, 1986-1987.
Measurements taken at fish location during 24 hour sampling.
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