8208

• UCREFRP Catalog Number: 8208
• Author: Osmundson, D. B., P. Nelson, K. Fenton and D. W. Ryden.
• Title: Relationships Between Flow and Rare fish Habitat in the '15-Mile Reach' of the Upper Colorado River.
• USFW Year: 1995.
• USFW - Doc Type: \
• Copyright Material: NO

100%
0
80%
?W
vJ
0 60%
Z 40%
W
n
WW 20%
Ir
L
0%
MRAPID ®RIFFLE ®FAST RUN MKOW RUN
SHORELINE POOL EDDY EBACKWATER
OGRAVEL PIT
Figure S. Frequency of use of nine habitat types by razorback sucker in the upper Colorado River.
Data were collected in the Grand Valley during 1986-1988. Sample size varies by month; refer to
Appendix Table IV.
100%
010
W 80%

O 60%

Z 40%
W

W 20%
M
U-
0%
NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT
10>5.9 FT 04.5-5.9 FT ®3.0-4.4 FT 101.5-2.9 FT 0<1.5 FT
Figure 6. Frequency of depths (five ranges) at locations of Razorback sucker in the upper
Colorado River. Data were collected in the Grand Valley during 1986-1988.
19
NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT