Upper Midwest Environmental Sciences Center

Pool 4 - SAS Output
Fish Reports
tree 2003 Report

Table 4.1

Mean catch-per-unit-effort and (standard error) for fish collected by day electrofishing in Pool 4 of the Upper Mississippi 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 2.1). 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 MCBW SCB
Chestnut lamprey 0.03   0.13    
  (0.03)   (0.13)    
Silver lamprey 0.04       0.13
  (0.04)       (0.13)
Least brook lamprey 0.05 0.13      
  (0.05) (0.13)      
Longnose gar 0.05 0.13      
  (0.05) (0.13)      
Bowfin 0.39 0.50 0.38   0.25
  (0.16) (0.27) (0.38)   (0.16)
Mooneye 0.08       0.25
  (0.05)       (0.16)
Gizzard shad 19.88 0.75 52.00 10.50 20.50
  (10.34) (0.75) (37.72) (10.50) (13.50)
Spotfin shiner 0.75 0.25 0.50   1.63
  (0.25) (0.25) (0.38)   (0.65)
Common carp 4.80 4.88 3.00 1.00 6.13
  (1.83) (3.12) (1.09) (1.00) (3.81)
Emerald shiner 6.81 0.13 24.50   2.00
  (5.75) (0.13) (22.97)   (1.86)
River shiner 0.15   0.13   0.38
  (0.12)   (0.13)   (0.38)
Spottail shiner 0.48       1.50
  (0.44)       (1.36)
Sand shiner 0.06   0.25    
  (0.06)   (0.25)    
Mimic shiner 0.03   0.13    
  (0.03)   (0.13)    
Pugnose minnow 0.52 0.75     0.63
  (0.36) (0.75)     (0.50)
Bluntnose minnow 0.09 0.13     0.13
  (0.07) (0.13)     (0.13)
Bullhead minnow 0.08       0.25
  (0.05)       (0.16)
River carpsucker 0.11   0.13 0.50 0.25
  (0.09)   (0.13) (0.50) (0.25)
Quillback 0.18   0.25 0.50 0.38
  (0.10)   (0.25) (0.50) (0.26)
White sucker 0.24 0.38     0.25
  (0.14) (0.26)     (0.25)
Smallmouth buffalo 0.31   0.13   0.88
  (0.28)   (0.13)   (0.88)
Bigmouth buffalo 0.11 0.25      
  (0.07) (0.16)      
Spotted sucker 2.24 3.38     2.50
  (0.98) (1.69)     (2.08)
Silver redhorse 1.00 0.25 1.38 11.00 1.63
  (0.22) (0.16) (0.38) (6.00) (0.60)
River redhorse 0.09   0.13 7.00 0.13
  (0.05)   (0.13) (7.00) (0.13)
Golden redhorse 0.62 0.63 0.25 2.00 0.88
  (0.25) (0.50) (0.16) (1.00) (0.40)
Shorthead redhorse 2.26 1.13 2.75 16.50 3.25
  (0.64) (0.67) (1.01) (0.50) (1.61)
Unidentified sucker 0.27   0.75 0.50 0.25
  (0.14)   (0.53) (0.50) (0.16)
Yellow bullhead 0.04       0.13
  (0.04)       (0.13)
Channel catfish 0.21 0.13     0.50
  (0.17) (0.13)     (0.50)
Northern pike 0.49 0.38 0.38   0.75
  (0.16) (0.26) (0.18)   (0.31)
Brook silverside 0.27 0.63      
  (0.18) (0.42)      
White bass 0.63 0.13 0.38   1.50
  (0.40) (0.13) (0.26)   (1.24)
Rock bass 0.80 1.25 0.25   0.63
  (0.45) (1.00) (0.25)   (0.38)
Green sunfish 0.27 0.63      
  (0.27) (0.63)      
Pumpkinseed 0.15 0.25     0.13
  (0.08) (0.16)     (0.13)
Bluegill 10.21 16.50 1.75   8.50
  (3.45) (7.73) (1.24)   (2.95)
Green x pumpkinseed sunfish 0.05 0.13      
  (0.05) (0.13)      
Pumpkinseed x bluegill 0.16 0.38      
  (0.11) (0.26)      
Smallmouth bass 3.03 1.50 7.25 7.00 1.75
  (0.59) (1.10) (1.10) (6.00) (0.70)
Largemouth bass 11.51 14.50 8.63   9.88
  (2.62) (5.15) (3.44)   (3.54)
White crappie 0.04       0.13
  (0.04)       (0.13)
Black crappie 1.91 1.88 0.75   2.88
  (0.56) (0.69) (0.49)   (1.43)
Johnny darter 0.03   0.13    
  (0.03)   (0.13)    
Yellow perch 3.17 2.75 1.25   5.25
  (0.81) (0.70) (1.00)   (2.22)
Logperch 1.45   5.63 1.00 0.13
  (0.99)   (3.96) (1.00) (0.13)
Slenderhead darter 0.03   0.13    
  (0.03)   (0.13)    
Sauger 0.22   0.25   0.50
  (0.14)   (0.25)   (0.38)
Walleye 0.75 1.00 0.13 3.00 0.88
  (0.45) (1.00) (0.13) (2.00) (0.40)
Freshwater drum 0.61 0.50 0.63 1.00 0.75
  (0.17) (0.27) (0.26) (1.00) (0.31)

Sampling strata:
 BWCS - Backwater, contiguous, shoreline

MCBU - Main channel border, unstructured

MCBW - Main channel border, wing dam

SCB - Side channel border

September 27, 2004
Page Last Modified: April 17, 2018