7848

• UCREFRP Catalog Number: 7848
• Author: Burdick, B. D.
• Title: Minimum Flow Recommendation For Passage Of Colorado Squawfish And Razorback Sucker In The 2.3-Mile Reach Of The Lower Gunnison River
• USFW Year: 1997.
• USFW - Doc Type: Redlands Diversion Dam To The Colorado River Confluence.
• Copyright Material: NO

Table G.3. Total number
transects cond and percentage of predicted
ucted durin
Mar
h
d A depths that exceed 2 feet for each of the 27

River bet
ween g
c
an
pril
the Redlands Diversi
D 1993 in the 2 .3-mile reach of the lower Gunnison

Colorado River on
am (river mile 3.0) and the confl
(river mile 0
7)
Note: * den
t uence with the
.
. o es a crit ically shallow tran sect @ 300 cfs.

DISCHARGE
100 cfs 200 cfs

Number o
u? er o 300 cfs
um 400 cfs
s
520
600 cfs
BR
Transect Observations
That Exceed Observations
That Exceed er o
Observati
Observations
That Exce
d er umber o
Observations o
6F
Observations u er o
Observations
No. n 2 feet X n 2-feet X ? e
n
2-feet X
n That Exceed
2-feet X That. Exceed That Exceed

1
2 n 2-feet X n 2-feet X
8 28 (100X) 28 28 (100X) 28 28 (100X) 28 28 (100X) 28

2
38
21 ( 55X)
41
29 ( 701)
57 30 ( 53%)
61
32 ( 52X) 28 (100X) 28 28 (100X)

3
7
0 ( 0%)
8
1 ( 13%)
10 1 ( 10%)
14 62 35 ( 56X) 62 35 ( 56X)

4*
3
0( OX)
5
0( O%) 3 ( 21%) 15 3 ( 20X) 15 3 ( 20X)

5
2 5 0( OX) 7 0( O%) 7 0( O%) 7 0( O%)
0( OX) 4 0( OX) 5 0( OX) 6 0( OX) 6 0( OX) 6 2( 33%)
6 5 1 ( 20X) 7 2 ( 29X) 11 2 ( 18%) 11 3 ( 27%) 11 4 ( 36%) 12 4 ( 33%)
7 9 5( 56%) 9 5( 56X) 9 6( 67%) 9 6( 67X) 9 6( 67X) 9 7( 78X)
8 18 0 ( 0%) 23 4 ( 17%) 23 5 ( 22X) 23 6 ( 26X) 23 8 ( 35X) 23 9 ( 39X)
90 8 0 ( O%) 11 0 ( OX) 15 0 ( O%) 21 0 ( O%) 21 0 ( O%) 23 0 ( O%)
10 14 0 ( 0%) 15 5 ( 33%) 16 5 ( 40%) 15 12 ( 75%) 15 13 ( 87X) 16 13 ( 811)
11 17 0 ( 0%) 19 6 ( 32%) 19 13 ( 68%) 19 13 ( 68X) 19 14 ( 70) 19 15 ( 79%)
12 6 0 ( 0%) 10 0 ( 10%) 24 2 ( 8%) 25 2 ( 8%) 26 3 ( 12%) 26 4 ( 15%)
13 13 6 ( 46%) 13 7 ( 54%) 13 10 ( 77%) 13 10 ( 77%) 14 11 ( 79%) 14 13 ( 93X)
14 19 0 ( O%) 20 0 ( 0%) 23 2 ( 9%) 23 10 ( 43%) 23 15 ( 65%) 24 17 ( 71%)
15 11 2 ( 18%) 12 3 ( 25X) 13 4 ( 31%) 14 6 ( 43X) 14 6 ( 431) 14 8 ( 57%)
16 7 6( 86%) 7 6( 86%) 7 6( 86X) 7 6( 86%) 7 6( 86%) 7 6( 86X)
17 14 12 ( 86X) 14 12 ( 86%) 14 12 ( 86%) 14 12 ( 86X) 14 13 ( 93%) 14 14 (100%)
18 12 11 ( 92%) 12 11 ( 92%) 13 11 ( 85X) 13 11 ( 85%) 13 12 ( 92%) 13 12 ( 92X)
190 12 0 ( 0%) 16 0 ( 0%) 19 0 ( 0%) 20 0 ( OX) 20 0 ( 0%) 20 0 ( OX)
20 9 3 ( 33X) 9 3 ( 33X) 9 3 ( 33X) 9 3 ( 33%) 10 4 ( 40%) 10 6 ( 60X)