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. 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
1979
79/09/05 3.0 NR 0 2 566 --- --- 790
483
79/09/17 3.0 NR 0 1 622 2,100 --- 1
200
79/09/18 3.0 NR 0 4 485 --- --- ,
1,160
668 2,400
521 ---
480 ---
1981
81/05/20 3.0 NR 0 1 827 5,420 --- 192
1982
82/05/19 3.0 NR 0 1 611 1,630 --- 2
620
82/05/26 2.9.0.7 NR 0 2 749 3,680 --- ,
3,850
774 5,000
1986
86/05/10 3.0 NR 0 1 566 1,452 --- 6
790
86/06/22 3.0 NR 1 0 --- --- --- ,
3
390
86/06/28 3.0 NR 0 0 --- --- --- ,
3
830
86/07/20 3.0 NR 1 0 --- --- --- ,
4
020
86/08/05 3.0 NR 0 0 --- --- --- ,
1
790
86/08/11 3.0 NR 0 1 602 1,710 --- ,
1
340
86/08/12 3.0 NR 0 1 582 1,300 --- ,
1
410
86/10/14 3.0 1.40 1 0 --- --- 0.00 ,
3
670
86/10/20 3.0 NR 0 0 --- --- --- ,
3
330
86/11/18 3.0 1.13 0 0 --- --- 0.00 ,
2,280
1987
87/05/19 3.0 0.80 1 0 --- - 0.00 6
940
87/07/16 3.0 NR 0 4 --- --- --- ,
1,240