Upper Midwest Environmental Sciences Center
|
Table 2.1 |
Allocation of fish sampling effort among strata in Pool 4 of the Upper Mississippi River during 2004. Table entries are numbers of successfully completed standardized monitoring collections. |
Sampling period = 1: June 15–July 31
|
Sampling gear
|
BWCS
|
BWCO
|
SCB
|
MCBU
|
MCBW
|
IMPS
|
IMPO
|
TRI
|
TWZ
|
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 = 2: August 1–September 14
|
Sampling gear
|
BWCS
|
BWCO
|
SCB
|
MCBU
|
MCBW
|
IMPS
|
IMPO
|
TRI
|
TWZ
|
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 15–October 31
|
Sampling gear
|
BWCS
|
BWCO
|
SCB
|
MCBU
|
MCBW
|
IMPS
|
IMPO
|
TRI
|
TWZ
|
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
|
60
|
0
|
78
|
60
|
12
|
0
|
0
|
0
|
35
|
245
|
Sampling strata:
BWCS - Backwater, contiguous, shoreline
BWCO - Backwater, contiguous, offshore
SCB - Side channel border
MCBU - Main channel border, unstructured
MCBW - Main Channel border, wing dam
IMPS - Impounded, shoreline
IMPO - Impounded, offshore
TRI - Tributary mouth
TWZ - Tailwater
April 24, 2005
Page Last Modified: April 17, 2018