Upper Midwest Environmental Sciences Center

La Grange - SAS Output

Fish Reports

tree 2006 Report

Table 4.6

Mean catch-per-unit-effort and (standard error) for fish collected by day electrofishing in La Grange Pool of the Illinois River using stratified random sampling during 2006. 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 Backwater, contiguous, shoreline Main channel border Side channel border
Spotted gar
0.02
0.08
(0.01)
(0.06)
Longnose gar
0.03
0.04
(0.03)
(0.04)
Shortnose gar
0.41
0.63
0.33
0.39
(0.14)
(0.28)
(0.18)
(0.15)
Bowfin
0.03
0.13
(0.02)
(0.07)
Skipjack herring
3.09
0.08
4.33
1.00
(1.05)
(0.06)
(1.50)
(0.29)
Gizzard shad
88.47
34.54
110.75
52.87
(19.22)
(8.68)
(27.43)
(11.58)
Threadfin shad
0.06
0.21
0.04
(0.03)
(0.10)
(0.04)
Goldfish
0.12
0.17
0.04
(0.07)
(0.10)
(0.04)
Grass carp
0.38
0.88
0.21
0.30
(0.11)
(0.31)
(0.10)
(0.18)
Red shiner
0.74
0.79
0.75
0.30
(0.51)
(0.54)
(0.71)
(0.22)
Common carp
3.91
10.40
1.38
5.87
(0.67)
(2.43)
(0.31)
(1.80)
Carp x goldfish hybrid
0.02
0.08
0.04
(0.01)
(0.06)
(0.04)
Silver carp
1.26
1.78
0.75
6.00
(0.22)
(0.61)
(0.17)
(1.96)
Bighead carp
0.02
0.08
(0.02)
(0.08)
Silver chub
0.12
0.17
(0.08)
(0.12)
Golden shiner
0.04
0.17
(0.04)
(0.17)
Emerald shiner
29.65
14.58
36.13
15.96
(6.76)
(5.58)
(9.49)
(4.12)
River shiner
0.03
0.04
(0.03)
(0.04)
Spottail shiner
0.20
0.29
(0.12)
(0.18)
Silverband shiner
0.36
0.04
0.50
0.09
(0.35)
(0.04)
(0.50)
(0.06)
Sand shiner
0.49
0.71
(0.43)
(0.62)
Bullhead minnow
2.17
3.96
1.58
1.09
(0.48)
(1.16)
(0.53)
(0.39)
River carpsucker
2.17
1.88
2.29
1.87
(0.43)
(0.64)
(0.58)
(0.65)
Quillback
0.03
0.04
(0.03)
(0.04)
Smallmouth buffalo
1.82
5.15
0.63
1.22
(0.42)
(1.42)
(0.29)
(0.44)
Bigmouth buffalo
1.62
5.51
0.21
1.26
(0.57)
(2.18)
(0.17)
(0.53)
Black buffalo
0.03
0.12
0.04
(0.02)
(0.09)
(0.04)
Golden redhorse
0.01
0.04
(0.01)
(0.04)
Shorthead redhorse
0.21
0.21
0.21
0.22
(0.10)
(0.10)
(0.13)
(0.13)
Unidentified Catostomidae (suckers)
0.51
1.75
0.08
(0.18)
(0.67)
(0.06)
Yellow bullhead
0.01
0.04
0.04
(0.01)
(0.04)
(0.04)
Channel catfish
1.59
1.16
1.79
0.96
(0.32)
(0.26)
(0.44)
(0.28)
Flathead catfish
0.11
0.12
0.08
0.52
(0.04)
(0.07)
(0.06)
(0.20)
Western mosquitofish
0.72
2.49
0.08
0.57
(0.29)
(1.11)
(0.06)
(0.33)
Brook silverside
0.08
0.21
0.04
(0.05)
(0.17)
(0.04)
White perch
0.00
0.04
(0.00)
(0.04)
White bass
3.25
4.33
2.92
2.35
(0.69)
(2.05)
(0.63)
(0.46)
Yellow bass
0.21
0.58
0.08
0.13
(0.10)
(0.35)
(0.06)
(0.07)
Green sunfish
0.49
1.79
0.04
0.09
(0.38)
(1.46)
(0.04)
(0.06)
Warmouth
0.03
0.13
(0.02)
(0.07)
Orangespotted sunfish
1.82
5.33
0.58
0.91
(0.52)
(1.89)
(0.27)
(0.29)
Bluegill
3.16
11.20
0.33
0.87
(1.51)
(5.88)
(0.14)
(0.53)
Redear sunfish
0.02
0.08
(0.02)
(0.08)
Green sunfish x bluegill hybrid
0.01
0.04
(0.01)
(0.04)
Largemouth bass
0.42
1.54
0.39
(0.14)
(0.55)
(0.15)
White crappie
0.30
1.16
0.09
(0.10)
(0.38)
(0.09)
Black crappie
0.16
0.58
0.13
(0.10)
(0.38)
(0.07)
Mud darter
0.01
0.04
(0.01)
(0.04)
Johnny darter
0.05
0.21
(0.03)
(0.13)
Sauger
0.18
0.25
0.17
0.04
(0.07)
(0.17)
(0.08)
(0.04)
Freshwater drum
7.79
10.83
6.83
5.30
(1.63)
(3.76)
(1.89)
(2.52)

 


Page Last Modified: April 17, 2018