Upper Midwest Environmental Sciences Center
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 1September 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 15October 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 |
Page Last Modified: April 17, 2018