Upper Midwest Environmental Sciences Center

Open River - SAS Output

Fish Reports

tree 2001 Report

Table 12.5

Mean catch-per-unit-effort and (standard error) for fish collected by seining in Open River of the Upper Mississippi River using stratified random sampling during 2001. The statistics under ALL pertain to unbiased means over all strata sampled by this gear (as indicated by nonmissing entries below and by Table 2.5). See Methods for definitions of catch-per-unit-effort and standard error. Scientific names for the species listed can be found in Table 1.

 

Common name ALL MCBU SCB
Gizzard shad
3.56
3.00
7.67
 
(1.23)
(1.26)
(4.42)
Threadfin shad
0.01
0.08
 
(0.01)
(0.08)
Red shiner
1.71
0.50
10.58
 
(0.73)
(0.22)
(5.93)
Mississippi silvery minnow
0.27
0.30
0.08
 
(0.26)
(0.30)
(0.08)
Speckled chub
0.01
0.13
 
(0.01)
(0.07)
Silver chub
0.00
0.04
 
(0.00)
(0.04)
Emerald shiner
2.85
1.60
12.04
 
(0.79)
(0.46)
(5.70)
River shiner
0.16
1.33
 
(0.07)
(0.61)
Silverband shiner
0.33
0.15
1.67
 
(0.11)
(0.08)
(0.66)
Channel shiner
1.88
1.45
5.04
 
(1.00)
(1.09)
(2.50)
Pugnose minnow
0.05
0.42
 
(0.03)
(0.25)
River carpsucker
0.09
0.05
0.38
 
(0.05)
(0.05)
(0.20)
Unidentified buffalo
0.03
0.25
 
(0.03)
(0.21)
Shorthead redhorse
0.09
0.10
 
(0.09)
(0.10)
Channel catfish
0.19
0.20
0.13
 
(0.10)
(0.12)
(0.09)
Western mosquitofish
0.04
0.05
 
(0.04)
(0.05)
Brook silverside
0.14
0.05
0.79
 
(0.08)
(0.05)
(0.56)
White bass
0.53
0.60
 
(0.27)
(0.30)
Bluegill
0.04
0.05
 
(0.04)
(0.05)
White crappie
0.22
0.25
 
(0.14)
(0.16)
Black crappie
0.18
0.20
 
(0.14)
(0.16)
Sauger
0.00
0.04
 
(0.00)
(0.04)
Freshwater drum
0.84
0.95
 
(0.35)
(0.40)

Sampling strata:
MCBU - Main channel border, unstructured
SCB - Side channel border

August 26, 2004


Page Last Modified: April 17, 2018