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.2. Monthly sampling summary of sub-adult and adult Colorado squawfish captured and positively sighted
while electrofishing in the Redlands Diversion Dam plunge pool (river mile [RM] 3.0) and in the
2.2-mile reach of the Gunnison River immediately downstream between the Redlands Diversion Dam
plunge pool and Colorado River confluence, 1979-1995. Note: catch effort is total catch per unit
effort (total fish divided by total effort); ?=unknown as to whether sampling was conducted during
these months; NS=not sampled; NR=effort was not recorded, thus unable to calculate total catch per
unit of effort.
------------ Month
MAR APR MAY JUN JUL AUG SEP OCT NOV
No. Catch No. Catch No. Catch No. Catch No. Catch No. Catch No. Catch No. Catch No. Catch
Year of effort of effort of effort of effort of effort of effort of effort of effort of effort
Locale fish MOM fish fish h fish fish h fish fish h fish fish/h) fish fish /h fish fish /h fish fish/h) fish fi
1979 7 NR ? ?
Pl. Pool ? ? ? ? ? ? ? ?
2.2-mi ?
19
PL. 81 Pool ? ? 1 ' NR ? ? ? ? 9 ?
2.2-mi ? ?
1982
Pl. Pool ? 1 NR ? ? ? ? ? ?
? ?
p 2.2-mi ? ? 2 NR ? ?
1
C 1986
Pl. Pool NS NS 1 NR 1 NR 1 NR 2 NR NS 1 0.71 0 0.00 2.2-mi NS NS NS NS NS NS NS NS NS
1987
Pl. POOL NS NS 1 1.25 NS 4 NR 8 NS 2.23 0 NS 0.00 NS NS
2.2-mi NS NS NS NS NS
1988
PL. POOL NS NS 2 0.93 2 0.69 0 0.00 0 0.00 NS 0 NS 0.00 NS
2.2-mi NS NS NS NS NS NS NS
1991
Pl. POOL NS NS 2 NR NS NS 2 4.88 0 NS 0.00 0 NS 0.00 0 NS 0.0
2.2-mi NS NS NS 1 NR NS NS
1992
PL. Pool 0 0.00 1 2.63 2 2.08 0 0.00 0 0.00 NS 0 0.00 NS
2.2-mi NS 0 0.00 NS 1 1.12 1 1.27 NS NS NS NS