7729

• UCREFRP Catalog Number: 7729
• Author: Valdez, R. A., W. J. Masslich and A. Wasowicz.
• Title: Annual Summary Report - 1990\
• USFW Year: 1991.
• Copyright Material: NO

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Table 1. Trip schedule for 1990 Dolores River Study.
Trip Primary purpose Dates
1 Recon./CSfflO/HABa March 5-14
2 CSfflO/HAB July 7-15
3 CSfflO/HAB Aug. 27 -Sept 3
a- CSfflQJHAB = Determine the presence or absence of Colorado squawfish, sample water
quality and quantify habitat in terms of Colorado squawfish.

Table 2. Summary of fish sampling efforts (number of sample efforts
and total time) for three field trips on the Dolores River,
1990.
GEAR (code) 1 2 3 TOTAL
Electrofisbing - Jon Boat - EL 10 15 13 38
(220-v DC, 5-10 A) (1.6 hr) (2.8 hr) (1.8 hr) (6.2 hr)
Electrofishing - Canoe - EC 18 24 17 59
(220-v DC, 5-10 A) (2.8) (4.3) (4.8) ( 11.9)
Experimental Gill Net - GO 12 4 26 42
(80' x 5'; 1(2, 1, 1%, 2) (65.4) (6.6) (67.7) (139.7)
Seine (10' x 3'; 1/16") - SE 23 54 56 133
'frammel Net - TI 0 22 5 27
(50' x 5' x 1.5" x 10") (36.1 ) (10.8) (46.9)
'frammel Net, Floating -ID 0 0 3 3
(50' x 5' x 1.5" x 10") (8.2) (8.2)