Upper Midwest Environmental Sciences Center

La Grange Pool - SAS Output

Fish Reports

tree 2004 Report

Table 8.6

Mean catch-per-unit-effort and (standard error) for fish collected by mini fyke netting in La Grange Pool of the Illinois River using stratified random sampling during 2004. 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 BWCS MCBU SCB
Shortnose gar
0.49
0.17
0.63
0.22
(0.18)
(0.11)
(0.25)
(0.12)
Skipjack herring
0.32
0.30
0.33
0.39
(0.10)
(0.15)
(0.13)
(0.25)
Gizzard shad
258.71
105.85
321.91
157.08
(103.21)
(70.30)
(145.99)
(62.91)
Threadfin shad
1.44
0.20
1.98
0.12
(0.89)
(0.12)
(1.28)
(0.08)
Unidentified Clupeidae (shads)
3.57
 
5.13
 
(3.57)
 
(5.13)
 
Central stoneroller
0.06
 
0.08
 
(0.04)
 
(0.06)
 
Goldfish
0.05
0.18
 
 
(0.04)
(0.15)
 
 
Grass carp
0.06
0.13
0.04
 
(0.04)
(0.09)
(0.04)
 
Red shiner
0.09
0.13
0.09
 
(0.05)
(0.08)
(0.06)
 
Common carp
0.48
0.27
0.57
0.17
(0.24)
(0.12)
(0.34)
(0.09)
Silver carp
0.29
0.58
0.21
 
(0.18)
(0.54)
(0.17)
 
Bighead carp
2.42
0.30
3.20
2.44
(1.90)
(0.24)
(2.72)
(2.44)
Silver chub
0.10
0.26
0.04
 
(0.05)
(0.17)
(0.04)
 
Golden shiner
0.22
0.64
0.08
 
(0.12)
(0.43)
(0.06)
 
Emerald shiner
243.68
87.90
309.66
116.18
(177.35)
(58.50)
(253.91)
(87.08)
River shiner
0.01
0.03
 
0.06
(0.01)
(0.03)
 
(0.06)
Silverband shiner
0.17
0.07
0.21
 
(0.12)
(0.07)
(0.17)
 
Sand shiner
0.03
 
0.04
 
(0.03)
 
(0.04)
 
Bluntnose minnow
0.04
0.03
0.04
 
(0.03)
(0.03)
(0.04)
 
Bullhead minnow
0.26
0.07
0.34
0.06
(0.14)
(0.05)
(0.20)
(0.06)
River carpsucker
0.12
 
0.17
 
(0.08)
 
(0.12)
 
Smallmouth buffalo
0.02
0.09
 
 
(0.01)
(0.05)
 
 
Unidentified Catostomidae (suckers)
8.20
0.83
9.90
23.83
(4.18)
(0.41)
(5.83)
(21.94)
Black bullhead
0.51
0.63
0.45
0.78
(0.21)
(0.24)
(0.28)
(0.36)
Yellow bullhead
0.01
0.03
 
0.11
(0.01)
(0.03)
 
(0.08)
Brown bullhead
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Channel catfish
1.87
0.23
2.53
1.08
(0.47)
(0.09)
(0.67)
(0.51)
Tadpole madtom
0.01
0.04
 
 
(0.01)
(0.04)
 
 
Flathead catfish
0.03
 
0.04
 
(0.03)
 
(0.04)
 
Blackstripe topminnow
0.66
2.55
 
 
(0.46)
(1.78)
 
 
Western mosquitofish
37.81
23.57
42.67
44.05
(28.66)
(13.42)
(40.79)
(43.86)
Brook silverside
0.22
0.85
 
0.06
(0.13)
(0.52)
 
(0.06)
White bass
9.98
0.79
9.84
64.18
(2.36)
(0.39)
(2.98)
(24.93)
Yellow bass
0.03
 
0.04
0.11
(0.03)
 
(0.04)
(0.11)
Rock bass
0.03
 
0.04
 
(0.03)
 
(0.04)
 
Green sunfish
0.04
0.17
 
 
(0.02)
(0.08)
 
 
Warmouth
0.18
0.36
0.13
 
(0.09)
(0.21)
(0.09)
 
Orangespotted sunfish
0.43
1.36
0.08
0.46
(0.18)
(0.68)
(0.06)
(0.19)
Bluegill
3.46
7.19
2.23
1.09
(1.34)
(4.28)
(1.10)
(0.43)
Largemouth bass
0.36
0.26
0.41
0.06
(0.12)
(0.15)
(0.16)
(0.06)
White crappie
0.72
1.46
0.33
2.44
(0.18)
(0.50)
(0.16)
(1.65)
Black crappie
0.35
0.38
0.34
0.39
(0.12)
(0.16)
(0.16)
(0.23)
Mud darter
0.02
0.06
 
0.06
(0.01)
(0.04)
 
(0.06)
Johnny darter
0.01
0.04
 
 
(0.01)
(0.04)
 
 
Logperch
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Slenderhead darter
0.03
 
0.04
 
(0.03)
 
(0.04)
 
Freshwater drum
2.40
1.83
2.48
4.44
(0.39)
(0.72)
(0.48)
(1.62)

Sampling stratum:
BWCS - Backwater, contiguous, shoreline

MCBU - Main channel border, unstructured

SCB - Side channel border

September 19, 2005


Page Last Modified: April 17, 2018