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 D.1. (cont'd). Daily summary data for captures and positive sightings of
Colorado squawfish with electrofishing in the Gunnison
River in the Redlands Diversion Dam plunge pool (river
mile [RM] 3.0) and in the 2.3-mile reach immediately
downstream of the Redlands Diversion Dam plunge pool to
the Colorado River confluence. Note: CS=Colorado
squawfish; cfs=cubic feet per second; NR=effort not
recorded; catch effort is total effort (total fish divided
by total effort).
CS Caught Flow (cfs)
Shocking No. of Catch below

Date RM
Sampled Effort
hrs CS
Sighted
No.
TL(mm) Wt(g) effort
fish/hr Redlands
Diversion Dam
1992
92/03/20 3.0 0.53 0 0 --- --- 0
00 570
92/04/21 3.0 0.38 0 1 712 3,050 .
2.63 2
210
92/04/21 2.9-0.7 0.64 0 0 --- --- 0.00 ,
2
210
92/05/06 3.0 NR 0 1 628 2,518 --- ,
2
070
92/05/08 3.0 0.48 1 0 --- --- 0.00 ,
2
690
92/06/01 3.0 0.24 0 0 - --- 0.00 ,
3
830
92/06/01 2.9-0.7 0.89 0 1 762 5,230 1.12 ,
3
830
92/06/19 3.0 0.40 0 0 --- --- 0.00 ,
1
310
92/07/27 3.0 0.29 0 0 --- 0.00 ,
1
440
92/07/27 2.9-0.7 0.79 0 1 652 2,240 1.27 ,
1
440
92/09/21 3.0 0.32 0 0 --- --- 0.00 ,
840
1993
93/03/23 3.0 0.19 0 1 597 2,092 5.26 2
600
93/03/23 2.9-0.7 1.36 1 0 --- -- 0.00 ,
2
600
93/03/24 3.0 0.40 0 0 --- --- 0.00 ,
2
790
93/03/24 2.9-0.7 0.96 0 0 --- --- 0.00 ,
2
790
93/03/29 3.0 0.42 0 0 --- --- 0.00 ,
3
460
93/03/29 2.9-0.7 0.85 1 0 --- --- 0.00 ,
3
460
93/03/31 3.0 0.44 0 0 - --- 0.00 ,
3
100
93/03/31 2.9-0.7 0.96 0 1 700 3,068 1.04 ,
3
100
93/04/02 3.0 0.33 0 0 --- --- 0.00 ,
2
920
93/04/02 2.9-0.7 0.89 0 0 --- --- 0.00 ,
2
920
93/04/05 3.0 0.47 0 0 --- --- 0.00 ,
2
960
93/04/09 3.0 0.47 0 0 --- --- 0.00 ,
2
890
93/04/09 2.9-0.7 0.86 0 1 597 1,892 1.16 ,
2
890
93/04/19 3.0 0.43 0 0 --- --- 0.00 ,
3
690
93/04/19 2.9-0.7 0.90 0 1 901 6,560 1.11 ,
3
690
93/04/20 3.0 0.39 0 0 --- --- 0.00 ,
3
550
93/04/20 2.9-0.7 0.95 0 0 --- --- 0.00 ,
3
550
93/04/30 3.0 1.02 0 0 --- --- 0.00 ,
9,150
D-3