8086

• UCREFRP Catalog Number: 8086
• Author: Valdez, R. A. and B. R. Cowdell.
• Title: Lake Powell Inflow Study. Annual Summary Report - 1993.
• USFW Year: 1994.
• USFW - Doc Type: 384-1,
• Copyright Material: NO

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4.2.2 Seines
The seining information presented in Table 5 represents pooled CPE's for backwaters, shorelines and
slackwater habitats combined. Highest catch rates were for red shiner (81.31 fish/100 m2), sand shiner (69.82)
and fathead minnow (12.30). Table 6 presents total numbers and associated pooled CPE's for each species
by trip.
Table 5. Pooled catch per effort (CPE) by species for seines, Lake Powell intlow, 1993.
Species W Age-O JUV ADU TOTAL CPE (No./100 m2)
RS 52 0 0 0 2778 81.32
SS 51 0 0 0 2385 69.82
PH 33 0 0 0 420 12.30
1'5 18 210 1 0 211 6.18
CS 16 51 34 0 85 2.49
SO 20 0 47 25 80 2.34
SU 14 48 2 0 48 1.41
CH 10 33 0 0 33 0.97
CC 9 10 6 0 16 0.47
CP 3 10 0 0 10 0.29
PM 3 7 0 0 7 0.20
BH 2 2 1 0 3 0.09
GS 1 2 0 0 2 0.06
GA 1 0 0 1 1 0.03

I-Number of samples with indicated species (64 samples total)

Table 6. Pooled catch per effort (CPE) for seining during pre and post-runoff sampling, Lake Powell inflow,
1993.
PRE-RUNOFF POST-RUNOFF
Species Total CPE (No./loo m2) Total CPE (NoJIOO ml
RS 1289 81.74 1489 80.97
SS 934 59.23 1451 78.90
PH 368 23.34 52 2.83
1'5 211 11.47
CS 84 5.33 1 0.05
SO 80 4.35
SU 1 0.06 47 2.56
CH 1 0.06 32 1.74
CC 7 0.44 9 0.49
CP 10 0.54
FM 7 0.38
BH 3 0.16
GS 2
GA 1 0.05

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