Upper Midwest Environmental Sciences Center

Open River - SAS Output
Fish Reports
tree 2003 Report

Table 8.5

Mean catch-per-unit-effort and (standard error) for fish collected by mini fyke netting in Open River 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 2.5). 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 MCBU MCBW SCB
Longnose gar 0.00   0.09  
  (0.00)   (0.09)  
Shortnose gar 0.25 0.25 0.17 0.27
  (0.22) (0.25) (0.17) (0.12)
Skipjack herring 0.26 0.25   0.33
  (0.22) (0.25)   (0.27)
Gizzard shad 5.78 4.72 1.89 13.91
  (4.23) (4.53) (1.63) (12.90)
Red shiner 2.30 2.56 0.35 0.60
  (1.71) (1.96) (0.19) (0.54)
Spotfin shiner 0.08 0.09    
  (0.08) (0.09)    
Blacktail shiner 0.73 0.83 0.17  
  (0.65) (0.74) (0.17)  
Common carp 0.09 0.09 0.25 0.07
  (0.08) (0.09) (0.25) (0.07)
Mississippi silvery minnow 0.01     0.07
  (0.01)     (0.07)
Silver carp 0.07 0.08 0.08  
  (0.07) (0.08) (0.08)  
Bighead carp 0.35 0.33   0.53
  (0.29) (0.33)   (0.37)
Speckled chub 0.18 0.20 0.17 0.07
  (0.17) (0.20) (0.12) (0.07)
Sturgeon chub 0.01     0.08
  (0.01)     (0.08)
Unidentified chub 0.43 0.50    
  (0.43) (0.50)    
Emerald shiner 0.79 0.54 2.29 2.50
  (0.34) (0.31) (1.51) (1.75)
River shiner 1.10 1.25 0.94  
  (0.73) (0.84) (0.48)  
Spottail shiner 0.02     0.14
  (0.02)     (0.14)
Silverband shiner 0.01   0.17 0.08
  (0.01)   (0.17) (0.08)
Channel shiner 0.33 0.34 1.29 0.20
  (0.22) (0.26) (0.83) (0.11)
Unidentified minnow 0.08 0.09    
  (0.08) (0.09)    
River carpsucker 0.13     1.10
  (0.12)     (1.02)
Unidentified sucker 0.12 0.09 0.09 0.35
  (0.09) (0.09) (0.09) (0.35)
Blue catfish 0.00   0.09  
  (0.00)   (0.09)  
Channel catfish 1.69 1.83 0.34 0.80
  (1.19) (1.36) (0.19) (0.51)
Freckled madtom 0.01     0.07
  (0.01)     (0.07)
Flathead catfish 0.01   0.09 0.07
  (0.01)   (0.09) (0.07)
Western mosquitofish 0.09 0.08   0.15
  (0.07) (0.08)   (0.15)
Brook silverside 0.08 0.09    
  (0.08) (0.09)    
White bass 0.24 0.18   0.71
  (0.12) (0.12)   (0.37)
Green sunfish 0.01     0.07
  (0.01)     (0.07)
Orangespotted sunfish 0.16 0.17   0.15
  (0.10) (0.11)   (0.15)
Bluegill 0.22 0.08   1.24
  (0.09) (0.08)   (0.48)
Longear sunfish 0.01     0.07
  (0.01)     (0.07)
Spotted bass 0.02     0.15
  (0.02)     (0.15)
Largemouth bass 0.01     0.08
  (0.01)     (0.08)
White crappie 0.27 0.25 0.17 0.42
  (0.22) (0.25) (0.17) (0.19)
Black crappie 0.02     0.13
  (0.01)     (0.09)
Logperch 0.01   0.08 0.08
  (0.01)   (0.08) (0.08)
Freshwater drum 20.29 11.73 15.04 83.72
  (12.09) (9.52) (7.45) (74.49)
Unidentified 0.02     0.13
  (0.02)     (0.13)

Sampling strata:
MCBU - Main channel border, unstructured
MCBW - Main channel border, wing dam
SCB - Side channel border

September 27, 2004


Page Last Modified: April 17, 2018