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Fish Reports

tree 2006 Report

Table 2.6

Allocation of fish sampling effort among strata in La Grange Pool of the Illinois River during 2005. Table entries are numbers of successfully completed standardized monitoring collections. In 2006, fish were not sampled in period 1.

Sampling period = 2: August 1–September 14

Sampling gear
Backwater, contiguous, shoreline
Backwater, contiguous, offshore
Side channel border
Main channel border, unstructured
Main channel border, wing dam
Impounded shoreline
Impounded offshore
Tributary mouth
Tailwater
Total
Day electrofishing
12
  
14
12
        
2
40
Fyke net
10
              
2
12
Large hoop net    
8
8
        
2
18
Small hoop net    
8
8
        
2
18
Mini fyke net
10
  
8
8
        
2
28
Trawling                
4
4
Subtotal
32
0
38
36
0
0
0
0
14
120

Sampling period = 3: September 15–October 31

Sampling gear
Backwater, contiguous, shoreline
Backwater, contiguous, offshore
Side channel border
Main channel border, unstructured
Main channel border, wing dam
Impounded shoreline
Impounded offshore
Tributary mouth
Tailwater
Total
Day electrofishing
12
  
14
12
        
2
40
Fyke net
10
              
2
12
Large hoop net    
8
8
        
2
18
Small hoop net    
8
8
        
2
18
Mini fyke net
10
  
8
8
        
2
28
Trawling
             
4
4
Subtotal
 32 0 38 36 0 0 0 0 14 120
Total for all periods
64 0 76 72 0 0 0 0 28 240

 

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