9432 ‎(2)‎

• UCREFRP Catalog Number: 9432
• Author: Modde, T. and M. Fuller.
• Title: Feasibility of Channel Catfish Reduction in the Lower Yampa River.
• USFW Year: 2002.
• USFW - Doc Type: Vernal.
• Copyright Material: NO

500
W
r
e
U.
400
W
z
®t 300
H
O 01
? 200
O LL
E`
0
z 100
T
O
10 0
F
500
W
r
W
- 400
z
z
0 300
H?
c 200
a
E
z 100
D
m 0
JI July - V VCIODer IWVb
n=50
* Flow Range=1,200-2,840 cfs
r=-0.17
ft
rt
A
rt ? Yc
00 00
oOo 00 O 00 O 00
??' ?a 10 ry? ryti ry? ry6 ryv
Mean Daily Discharge (cfs)
sl Juiy - v uctoDer 1995
n=52
Flow Range=1,250-2,330 cfs
r=-0.29
X
31E
X X
yo yo a I yo yo yo yo yo yo yo yo
?ti ?5 • a?' ?b ?0 01 ry0 ti ryR
Mean Daily Discharge (cfs)
500
W
r
LL 400
W
m
z
o -300
F
o 200
E
z 100
T
W
W 0
H
BOO OHO a 41 nP ,e Ory0 e
p,. %. y
Mean Daily Discharge (cfs)
ui JUIy - to uctoDer euuu
n=39
Flow Range=1,500-2,140 cfs
r=-0.34

00 y0 00 O o0 y0 00
,`9 ?1 A? 0 9y0 O y0 00
,`h 1h ,6 ,bg 10 Mean Daily Discharge (cfs)
Figure I.I. Relationship between the mean daily discharge (cfs) at the
Whitewater USGS gage and the total daily number of three
native fishes, flannelmouth sucker, bluehead sucker, and
roundtail chub collected in the fish trap of the Redlands
passageway, 31 July to 9 October, between 1996 and 2000.
Note: goodness-of-fit line fitted by computer.
I-2
500
h
r
LL
400
m
z
o -300
H
F
`o 200
W LL
E v
z 100
T
O
0
H
Soo
W
r
w
400
m
z
m r 300
F
c 200
m`
E
z 100
T

31 July - 9 October 1997
,?O 10 10 ,10 P ,,O
ry? ry? rya ti ry0 '? 9ry 9a 9^a '! t•? try t•a
Mean Daily Discharge (cfs)
n=50
Flow Range=2,070-4,520 cfs
r=-0.26
x
x
X x x
x
x
x x
x
x x X
x x X
X
3W x x )o(
JI July - `J Vctooer laaa
n=56
Flow Range=2,430-5,600 cfs
r=-0.22

0
F