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 [RM1 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
RM Effort CS effort Redlands
Date Sampled hrs Sighted No. TL(mm) Wt(q) fish/hr Diversion Dam
1987 (cont'd)
87/08/12 3.0 1.20 0 1 750 3,975 0.83 1,340
87/08/13 3.0 1.52 0 5 608 1,875 3.29 1,240
600 1,600
442 700
510 1,550
552 1,750
87/08/25 3.0 0.87 1 1 431 635 1.15 2,030
87/09/24 3.0 1.04 0 0 --- --- 0.00 1,180
87/09/25 3.0 2.58 0 0 --- --- 0.00 1,180
87/09/28 3.0 1.42 0 0 --- --- 0.00 1,180
1988
88/05/10 3.0 2.14 1 1 566 1,452 0.47 930
88/06/15 3.0 1.01 0 0 --- --- 0.00 910
88/06/22 3.0 0.87 2 0 --- --- 0.00 750
88/06/28 3.0 1.02 0 0 --- --- 0.00 480
88/07/20 3.0 0.68 0 0 --- --- 0.00 0
88/08/05 3.0 0.46 0 0 --- --- 0.00 0
88/10/20 3.0 0.82 0 0 --- --- 0.00 320
1991
91/05/08 3.0 NR 2 0 --- --- --- 2,430
91/05/10 3.0 NR 0 0 --- --- --- 4,260
91/06/04 2.9-0.7 NR 0 1 581 2,014
0 ---
88
4 3,190
820
91/08/20 3.0 0.41 0 2 676 2,33 .
772 3,508
91/09/16 3.0 0.39 0 0 --- --- 0.00 1,910
91/10/24 3.0 0.45 0 0 --- --- 0.00 960
j 91/11/27 3.0 0.22 0 0 --- --- 0.00 1,260
D-2