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.2. Total number and percentage of predicted depths that exceed 1 foot for each of the 27
transects conducted during March and April 1993 in the 2.3-mile reach of the lower Gunnison
River between the Redlands Diversion Dam (river mile 3.0) and the confluence with the
Colorado River (river mile 0.7). Note: * denotes a critically shallow transect @ 300 cfs.

DISCFWR(#
100 fs 200 cfs 300
f

ua er o
Number o c
s 400 cf
s s 5
00 cfs 600 cfs
BR
Transect Observations
That Exceed Observations
That Exceed er o
Observations e
o
Observations ,
umber o
Observations Number o
Observations
No. n 1 foot X n 1-foot X n That Exceed
1-foot X n That Exceed
1-foot X Tlaf
ot
) eed
Tlaf
ot
n o
X n M
o
1 28 28 (100X) 28 28 (100X) 28 28 (100X) 28 28 (100X) 28 28 (100X) 28 28 (100X)
2 38 32 ( 84%) 41 36 ( 87X) 57 38 ( 67%) 61 38 ( 62%) 62 38 ( 61%) 62 40 ( 64%)
3 7 3 ( 43%) 8 5 ( 63%) 10 6 ( 60X) 14 6 ( 43%) 15 7 ( 47X) 15 7 ( 47X)
4* 3 0( OX) 5 0( OX) 5 1( 20X) 7 1( 14) 7 1( 14) 7 1( 14X)
5 2 0( OX) 4 2( 50X) 5 3( 60%) 6 3( 50X) 6 3( 50X) 6 4( 67X)
6
d'! 5 2 ( 40%) 7 4 ( 57X) 11 4 ( 36%) 11 5 ( 451) 11 4 ( 36%) 12 7 ( 58%)
W 7 9 6( 67X) 9 7( 78%) 9 8( 89%) 9 9 (100X) 9 9 (100X) 9 9 (100X)
8 18 7 ( 39X) 23 10 ( 43%) 23 13 ( 57%) 23 16 ( 70%) 23 19 ( 83X) 23 19 ( 83X)
90 8 0 ( OX) 11 0 ( OX) 15 1 ( 7%) 21 1 ( 5%) 21 2 ( 10X) 23 6 ( 26X)
10 14 6 ( 43%) 15 13 ( 86X) 15 14 ( 93%) 15 14 ( 43%) 15 15 (100X) 16 15 ( 94)
11 17 13 ( 76%) 19 14 ( 74X) 19 18 ( 95%) 19 19 (100X) 19 19 (100X) 19 19 (100X)
12 6 2 ( 33%) 10 2 ( 20X) 24 9 ( 38%) 25 9 ( 36%) 26 15 ( 58%) 26 16 ( 61%)
13 13 8 ( 62X) 13 11 ( 85%) 13 13 (100X) 13 13 (100X) 14 13 ( 93%) 14 13 ( 93X)
14 19 2 ( 11X) 20 12 ( 60%) 23 19 ( 83%) 23 20 ( 87%) 23 21 ( 91X) 24 22 ( 92%)
15 11 8 ( 73%) 12 8 ( 67%) 13 9 ( 69%) 14 10 ( 71%) 14 11 ( 79%) 14 11 ( 79%)
16 7 6( 86%) 7 6( 86%) 7 6( 861) 7 7 (100X) 7 7 (100X) 7 7 (100X)
17 14 14 (100X) 14 14 (100X) 14 14 (100X) 14 14 (100X) 14 14 (100X) 14 14 (100X)
18 12 12 (100X) 12 12 (100X) 13 12 ( 92X) 13 12 ( 92X) 13 12 ( 92X) 13 12
92%

190
12
0 ( OX)
16
0 ( OX)
19
1 ( 5%)
20
6 ( 30X)
20
11 ( 55%)
20 (
)
14 ( 70%)
20 9 7 ( 78%) 9 7 ( 78X) 9 7 ( 78%) 9 8 ( 89%) 10 9 ( 90%) 10 9 ( 90X)