Upper Midwest Environmental Sciences Center

La Grange Pool - SAS Output

Fish Reports

tree 2000 Report

Table 11.6

Mean catch-per-unit-effort and (standard error) for fish collected by large hoop 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 MCBU SCB
Gizzard shad
0.09
0.08
0.17
 
(0.04)
(0.05)
(0.07)
Grass carp
0.04
0.04
0.06
 
(0.03)
(0.03)
(0.06)
Common carp
2.11
2.11
2.04
 
(0.54)
(0.58)
(0.60)
Silver carp
0.00
0.05
 
(0.00)
(0.05)
Bighead carp
0.04
0.04
0.06
 
(0.03)
(0.03)
(0.06)
River carpsucker
0.01
0.08
 
(0.00)
(0.06)
Quillback
0.02
0.02
 
(0.02)
(0.02)
Smallmouth buffalo
4.42
4.14
8.75
 
(0.87)
(0.91)
(2.94)
Black buffalo
0.02
0.02
0.08
 
(0.02)
(0.02)
(0.04)
Brown bullhead
0.02
0.02
 
(0.02)
(0.02)
Channel catfish
0.45
0.46
0.39
 
(0.15)
(0.16)
(0.10)
Flathead catfish
0.08
0.09
0.03
 
(0.04)
(0.04)
(0.03)
White bass
0.04
0.02
0.41
 
(0.03)
(0.02)
(0.41)
Bluegill
0.00
0.03
 
(0.00)
(0.03)
White crappie
0.02
0.02
 
(0.02)
(0.02)
Freshwater drum
0.65
0.68
0.28
 
(0.17)
(0.19)
(0.15)

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

August 26, 2004


Page Last Modified: April 17, 2018