7125 ‎(2)‎

• UCREFRP Catalog Number: 7125
• Author: McAda, C. W.
• Title: Aspects of the Life History of Three Catostomids Native to the Upper Colorado River Basin.
• USFW Year: 1977.
• USFW - Doc Type: Utah State University,
• Copyright Material: YES

Table 5. Relative abundance of fish collected with trammel nets in the Walter Walker Wildlife Area,
Colorado, 1974-76.

1974 1975 1976
Oct 24-Nov 1
- April 3-10 May 24-28 June 15-17 Oct 4-9 A ril 12-16
Total
octal ercentage CPUE Total ercentage C UE Total Percentage C U Total ota ercentage
Species catch catch of catch catch of catch catch of catch catch catch of catch
Catoatomus Zatipinnieb
Catostomus disc& otusb
Xyrauchen te=nusb' 22
Catostomus commersoni
Ptychocheilue Zuciusb
GiZa rnbustab
Cyprinus carpio

Prosopim w-i Uiamsonib S-
o

Salmo gairdneri
0
Lepomie cyaneZZus c
Lepomis machrochirus
Micropterus saZmoides
IctaZurua punctatus
IctaZurus metas
Esox Zuci.us
73 13:4 1.66 166 32.3
6 1.1 0.14 8 1.6
23 4.2 0.52 15 2.9
19 3.5 0.43 2 0.4
25 4.6 0.57 12 2.3
94 17.3 2.13 93 18.1
99 18.2 2.24 79 15.4
1 0.2
87 16.0 1.97 28 5.4
1 0.2 0.02
42 7.7 0.95 8 1.6
12 2.2 0.28 15 2.9
61 11.2 1.38 87 16.9
1 0.2 0.02
1.17 138 23.0
0.06 12 2.0
0.11 5 0.8
0.01 10 1.7
0.08 9 1.5
0.66 81 13.5
0.56 112 18.7
0.01
1 0.2
0.20 129 21.5
0.57 16 2.7
0.11 12 2.0
0.61 75 12.5
0.77
0.07
0.04
0.06
0.05
0.45
0.62
0.01
0.72
0.09
0.07
0.42
9
v
0
o0
U
L
0
rc
22
5
12
3
25
68
20
35
7
61
8.5
1.9
4.7
1.2
9.7
26.4
7.8
13.6
2..7
23.6
a CPUE = catch per unit effort; 1 unit of effort = 10 m of net (2.1 m deep) set for 10 hrs.
b Denotes native species.
N
Ut