1108

• UCREFRP Catalog Number: 1108
• Author: Valdez, R. A.
• Title: Fisheries Biology And Rafting Annual Summary Report - 1987
• USFW Year: 1988.
• USFW - Doc Type: ‎(Contract no. 6-CS-40-03980)‎.
• Copyright Material: NO

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Table 5. A summary of fish sampling efforts and (in parenthesis) time in hours for the eight sample trips (two confluence. six canyon) in the Cataract
Canyon Region, 1987,
(EM IC 2 3 4b 5 6c 7 8
Elect rof I shi ng 23 3S ISa 14 21 16 27 19
(220-v DC, 6-10 A) 7.2 hr) (12.4 hr) 3.6 hr) S.1 hr) 7,7 hr) 4,3 hr) 7,5 hr) 6,4 hr)
GI II Net - GA 2 41 31 34 23 8 21 31
(tOO'x6'x2.0") (15,2 hr) ( 89 . 3 h r ) (89.4 hr) (76,8 hr) (43,1 hr) ( 19,2 hr) (57,6 hr) ( 86 . 4 h r )
GI II Net - Gl 6 0 17 17 13 7 15 14
(100'x6'x2,S") (45.3 hr) (37.7 hr) (41.9 hr) (27.9 hr) (16.8 hr) ( 40 ,4 h r ) (39.7 hr)
Gi II Net - GB 0 0 0 13 0 0 9 7
(tSO'x4'xl 1/2") (29,8 h r ) (27,0 hr) (18,5 hr)
Float ing Gi II Net CF 0 0 0 13 13 7 10 16
......
~ (150'x4'xt") (40,8 hr) (28.4 hr) (16,2 hr) (29,8 hr) (43,3 hr)
Experimented Gi II 0 20 14 3 13 8 13 13
Net - GP (45.9 hr) ( 30 ,3 h r ) 6.6 hr) (28.0 hr) (18,9 hr) (37.2 hr) (36.8 hr)
Trcmrel Net - TI 9 15 14 12 10 8 12 14
(SO'xS'xl,S"xlO") (61. 7 hr) (35.0 hr) (44.9 hr) (28.9 hr) ( 22 ,5 h r ) ( 18.8 hr) (34.1 hr) (37.0 hr)
Trcmre I Ne t - lK 0 17 15 3 0 0 0 0
(7S'xS'xl,5"xI2") (37,6 hr) (30.2 hr) 6,5 hr)
Seine 43 56 33 38 0 18 15
(10'x4'xl/16")
Kick Screen 0 4 2 0 2 0 0 0
(3'x3'xl/32")
Larval Drift Net 0 44 44 28 0 0 0 0
(to'xt2"xI8"xS60 un) (27,2 h r) (23.9 hr) (I1.S hr)
ayyp - IS rml funct ion
bwater extremely turbid during this trip
cflatwater confluence trips

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