Upper Midwest Environmental Sciences Center

La Grange Pool - SAS Output

Fish Reports

tree 2000 Report

Table 9.6

Mean catch-per-unit-effort and (standard error) for fish collected by tandem mini fyke netting in La Grange Pool of the Illinois River using stratified random sampling during 2000. The statistics under ALL pertain to unbiased means over all strata sampled by this gear (as indicated by nonmissing entries below and by Table 2.6). 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 BWCO
Shortnose gar
0.03
0.03
 
(0.03)
(0.03)
Skipjack herring
0.11
0.11
 
(0.07)
(0.07)
Gizzard shad
29.48
29.48
 
(15.98)
(16.00)
Threadfin shad
1.71
1.71
 
(0.94)
(0.95)
Grass carp
0.05
0.05
 
(0.05)
(0.05)
Common carp
0.45
0.45
 
(0.21)
(0.21)
Bighead carp
0.34
0.34
 
(0.33)
(0.34)
Silver chub
0.11
0.11
 
(0.09)
(0.09)
Emerald shiner
2.25
2.25
 
(1.46)
(1.46)
Silverband shiner
0.05
0.05
 
(0.05)
(0.05)
Bullhead minnow
0.06
0.06
 
(0.04)
(0.04)
Bigmouth buffalo
0.03
0.03
 
(0.03)
(0.03)
Unidentified buffalo
0.06
0.06
 
(0.04)
(0.04)
Black bullhead
0.05
0.05
 
(0.05)
(0.05)
Yellow bullhead
0.03
0.03
 
(0.03)
(0.03)
Channel catfish
0.20
0.20
 
(0.09)
(0.09)
Flathead catfish
0.03
0.03
 
(0.03)
(0.03)
Western mosquitofish
0.03
0.03
 
(0.03)
(0.03)
White perch
0.03
0.03
 
(0.03)
(0.03)
White bass
1.53
1.53
 
(0.73)
(0.73)
Yellow bass
0.03
0.03
 
(0.03)
(0.03)
Orangespotted sunfish
0.08
0.08
 
(0.06)
(0.06)
Bluegill
11.27
11.27
 
(7.73)
(7.74)
White crappie
0.23
0.23
 
(0.09)
(0.09)
Black crappie
0.06
0.06
 
(0.04)
(0.04)
Freshwater drum
7.10
7.10
 
(2.83)
(2.84)

Sampling stratum:
BWCO - Backwater, contiguous, offshore

 

August 26, 2004


Page Last Modified: April 17, 2018