Upper Midwest Environmental Sciences Center
Table 2.1 |
Allocation of fish sampling effort among strata in Pool 4 of the Upper Mississippi River during 2006. 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 | 8 |
8 |
8 |
4 |
28 |
|||||
Fyke net | 6 |
2 |
8 |
|||||||
Large hoop net | 6 |
4 |
2 |
12 |
||||||
Small hoop net | 6 |
4 |
2 |
12 |
||||||
Mini fyke net | 6 |
6 |
4 |
2 |
18 |
|||||
Trawling | 4 |
4 |
||||||||
Subtotal | 20 |
0 |
26 |
20 |
4 |
0 |
0 |
0 |
12 |
82 |
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 | 8 |
8 |
8 |
4 |
28 |
|||||
Fyke net | 6 |
2 |
8 |
|||||||
Large hoop net | 6 |
4 |
2 |
12 |
||||||
Small hoop net | 6 |
4 |
2 |
12 |
||||||
Mini fyke net | 6 |
6 |
4 |
2 |
18 |
|||||
Trawling | 3 |
3 |
||||||||
Subtotal | 20 | 0 | 26 | 20 | 4 | 0 | 0 | 0 | 11 | 81 |
Total |
40 | 0 | 52 | 40 | 8 | 0 | 0 | 0 | 23 | 163 |
Page Last Modified: April 17, 2018