Upper Midwest Environmental Sciences Center

La Grange Pool - SAS Output
Fish Reports
tree 2003 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 2003. 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 0.05 0.20    
  (0.03) (0.11)    
Shortnose gar 0.42 0.74 0.33  
  (0.13) (0.41) (0.11)  
Skipjack herring 0.03   0.04  
  (0.03)   (0.04)  
Gizzard shad 37.72 1.73 45.73 118.95
  (13.23) (0.59) (17.58) (112.21)
Threadfin shad 1.07 0.59 1.27 0.84
  (0.34) (0.22) (0.48) (0.47)
Central stoneroller 0.44   0.63  
  (0.26)   (0.37)  
Goldfish 0.01 0.04    
  (0.01) (0.04)    
Grass carp 1.58 4.67 0.51 0.35
  (1.15) (4.34) (0.38) (0.35)
Red shiner 0.95 0.07 1.33 0.22
  (0.49) (0.05) (0.70) (0.17)
Common carp 0.69 1.30 0.50 0.28
  (0.24) (0.78) (0.19) (0.14)
Silver carp 0.80 2.82 0.09 0.34
  (0.52) (2.03) (0.06) (0.24)
Bighead carp 3.11 9.59 0.91  
  (2.15) (8.02) (0.91)  
Silver chub 0.08 0.10 0.08  
  (0.05) (0.10) (0.05)  
Golden shiner 3.01 0.54 4.12 0.11
  (1.49) (0.37) (2.14) (0.08)
Emerald shiner 118.75 1.41 169.55 5.74
  (73.53) (0.57) (105.68) (3.68)
River shiner 0.49   0.70  
  (0.35)   (0.50)  
Spottail shiner 0.24 0.03 0.33  
  (0.13) (0.03) (0.18)  
Silverband shiner 1.72 0.04 2.43 0.22
  (0.80) (0.04) (1.15) (0.22)
Sand shiner 0.06   0.08  
  (0.04)   (0.06)  
Bluntnose minnow 0.18 0.03 0.24  
  (0.07) (0.03) (0.10)  
Fathead minnow 0.09   0.12  
  (0.09)   (0.12)  
Bullhead minnow 0.49 0.55 0.49 0.17
  (0.17) (0.19) (0.24) (0.09)
Creek chub 0.05 0.07 0.04  
  (0.03) (0.05) (0.04)  
Smallmouth buffalo 0.08   0.12  
  (0.06)   (0.09)  
Golden redhorse 0.03   0.04  
  (0.03)   (0.04)  
Unidentified sucker 4.52 2.03 5.61 1.84
  (2.06) (1.25) (2.93) (0.94)
Black bullhead 0.17 0.17 0.17 0.23
  (0.07) (0.09) (0.10) (0.18)
Yellow bullhead 0.02 0.07    
  (0.01) (0.05)    
Brown bullhead 0.03   0.04  
  (0.03)   (0.04)  
Channel catfish 4.56 0.46 6.22 2.36
  (1.28) (0.14) (1.84) (0.76)
Tadpole madtom 0.00     0.06
  (0.00)     (0.06)
Flathead catfish 0.00     0.05
  (0.00)     (0.05)
Blackstripe topminnow 0.03   0.04  
  (0.03)   (0.04)  
Western mosquitofish 1.37 1.84 1.28  
  (0.54) (1.27) (0.61)  
Brook silverside 0.05   0.08  
  (0.04)   (0.05)  
White bass 5.70 0.31 7.85 3.26
  (1.58) (0.17) (2.27) (1.08)
Yellow bass 0.03   0.04 0.05
  (0.03)   (0.04) (0.05)
Green sunfish 0.04 0.04 0.04  
  (0.03) (0.04) (0.04)  
Warmouth 0.03 0.10   0.06
  (0.02) (0.07)   (0.06)
Orangespotted sunfish 0.67 1.53 0.39 0.11
  (0.29) (0.96) (0.22) (0.07)
Bluegill 5.65 10.03 3.72 10.36
  (1.58) (3.83) (1.69) (8.09)
Green x bluegill sunfish 0.05   0.08  
  (0.05)   (0.08)  
Smallmouth bass 0.03   0.04  
  (0.03)   (0.04)  
Largemouth bass 0.28 0.18 0.34  
  (0.11) (0.13) (0.15)  
White crappie 15.23 3.62 19.40 17.27
  (8.40) (0.99) (12.06) (8.17)
Black crappie 1.19 1.25 1.10 2.21
  (0.31) (0.35) (0.42) (0.96)
Mud darter 0.01 0.03    
  (0.01) (0.03)    
Johnny darter 0.01 0.03    
  (0.01) (0.03)    
Logperch 0.06   0.09  
  (0.06)   (0.09)  
Sauger 0.03   0.04  
  (0.03)   (0.04)  
Freshwater drum 7.20 4.79 8.33 3.54
  (1.74) (3.48) (2.15) (1.74)

Sampling stratum:
BWCS - Backwater, contiguous, shoreline

MCBU - Main channel border, unstructured

SCB - Side channel border

September 27, 2004


Page Last Modified: April 17, 2018