Upper Midwest Environmental Sciences Center

La Grange - SAS Output

Fish Reports

tree 2004 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 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
Spotted gar
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Longnose gar
0.07
 
0.08
0.22
(0.04)
 
(0.06)
(0.11)
Shortnose gar
0.30
0.44
0.22
0.61
(0.07)
(0.15)
(0.08)
(0.19)
Bowfin
0.08
0.22
0.03
0.06
(0.03)
(0.08)
(0.03)
(0.04)
Skipjack herring
3.15
0.39
4.14
3.72
(0.92)
(0.13)
(1.32)
(0.90)
Gizzard shad
103.56
52.53
119.44
149.50
(21.72)
(10.96)
(30.82)
(47.90)
Threadfin shad
3.54
2.25
4.19
0.86
(0.95)
(0.92)
(1.32)
(0.39)
Unidentified Clupeidae (shads)
0.01
0.06
 
 
(0.01)
(0.06)
 
 
Goldfish
0.39
0.19
0.47
0.14
(0.26)
(0.17)
(0.36)
(0.08)
Grass carp
0.48
0.39
0.50
0.58
(0.18)
(0.14)
(0.26)
(0.20)
Red shiner
0.30
0.50
0.22
0.39
(0.10)
(0.26)
(0.10)
(0.15)
Common carp
6.95
12.61
4.19
17.08
(0.98)
(2.93)
(0.88)
(3.53)
Carp x goldfish hybrid
0.05
0.11
0.03
0.08
(0.03)
(0.07)
(0.03)
(0.06)
Silver carp
3.25
3.86
2.81
6.69
(0.95)
(1.57)
(1.23)
(2.00)
Bighead carp
0.08
 
0.11
0.06
(0.05)
 
(0.07)
(0.04)
Silver chub
0.23
0.28
0.22
0.06
(0.09)
(0.23)
(0.10)
(0.04)
Golden shiner
0.04
0.06
0.03
0.06
(0.02)
(0.04)
(0.03)
(0.04)
Emerald shiner
20.44
2.58
26.22
33.11
(11.65)
(0.87)
(16.74)
(10.90)
River shiner
0.02
 
0.03
 
(0.02)
 
(0.03)
 
Spottail shiner
0.03
0.03
0.03
0.14
(0.02)
(0.03)
(0.03)
(0.10)
Silverband shiner
0.21
 
0.28
0.31
(0.16)
 
(0.22)
(0.18)
Bluntnose minnow
0.00
 
 
0.06
(0.00)
 
 
(0.06)
Bullhead minnow
0.67
2.56
 
0.22
(0.28)
(1.08)
 
(0.10)
River carpsucker
0.28
0.42
0.22
0.31
(0.07)
(0.18)
(0.08)
(0.10)
Quillback
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Highfin carpsucker
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Smallmouth buffalo
2.48
6.56
1.03
1.72
(0.38)
(1.13)
(0.36)
(0.38)
Bigmouth buffalo
2.96
8.78
0.86
2.08
(0.68)
(2.50)
(0.34)
(0.70)
Black buffalo
0.15
0.22
0.11
0.25
(0.05)
(0.08)
(0.07)
(0.11)
Golden redhorse
0.01
0.06
 
 
(0.01)
(0.04)
 
 
Shorthead redhorse
0.10
0.22
0.06
0.17
(0.05)
(0.11)
(0.06)
(0.10)
Unidentified Catostomidae (suckers)
0.47
0.64
0.33
1.64
(0.15)
(0.38)
(0.16)
(0.53)
Black bullhead
0.35
0.28
0.19
3.11
(0.19)
(0.19)
(0.19)
(2.89)
Yellow bullhead
0.02
0.06
 
0.03
(0.01)
(0.04)
 
(0.03)
Brown bullhead
0.02
0.08
 
 
(0.01)
(0.05)
 
 
Blue catfish
0.00
 
 
0.03
(0.00)
 
 
(0.03)
Channel catfish
2.39
2.61
2.31
2.39
(0.60)
(0.86)
(0.80)
(0.63)
Flathead catfish
0.20
0.11
0.22
0.36
(0.08)
(0.09)
(0.11)
(0.12)
Blackstripe topminnow
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Western mosquitofish
0.40
1.11
0.14
0.39
(0.14)
(0.49)
(0.09)
(0.16)
Brook silverside
0.10
0.39
 
 
(0.08)
(0.31)
 
 
White bass
3.51
3.64
3.42
4.17
(0.58)
(1.13)
(0.71)
(1.10)
Yellow bass
0.41
0.75
0.31
0.06
(0.19)
(0.50)
(0.21)
(0.04)
Green sunfish
0.64
2.25
0.08
0.08
(0.23)
(0.86)
(0.08)
(0.05)
Warmouth
0.12
0.47
 
 
(0.06)
(0.22)
 
 
Orangespotted sunfish
0.99
3.75
0.03
0.19
(0.40)
(1.54)
(0.03)
(0.08)
Bluegill
7.75
28.69
0.44
0.83
(1.98)
(7.71)
(0.24)
(0.23)
Longear sunfish
0.02
0.08
 
 
(0.02)
(0.06)
 
 
Redear sunfish
0.05
0.19
 
 
(0.03)
(0.12)
 
 
Green sunfish x bluegill hybrid
0.03
0.11
 
0.03
(0.02)
(0.09)
 
(0.03)
Largemouth bass
3.60
11.69
0.75
1.36
(0.91)
(3.41)
(0.36)
(0.44)
White crappie
0.72
2.72
 
0.50
(0.21)
(0.83)
 
(0.16)
Black crappie
0.36
1.36
 
0.28
(0.11)
(0.44)
 
(0.13)
Mud darter
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Logperch
0.05
0.11
0.03
0.03
(0.03)
(0.07)
(0.03)
(0.03)
Slenderhead darter
0.01
0.03
 
 
(0.01)
(0.03)
 
 
Sauger
0.08
0.22
0.03
 
(0.03)
(0.09)
(0.03)
 
Freshwater drum
3.45
3.69
3.47
1.72
(0.70)
(0.79)
(0.97)
(0.41)
Spotted gar
0.04
0.17

Sampling strata:
BWCS - Backwater, contiguous, shoreline
MCBU - Main channel border, unstructured
SCB - Side channel border

September 19, 2005


Page Last Modified: April 17, 2018