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Table 2.5 |
Allocation of fish sampling effort among strata in the Open River of the Upper Mississippi River during 2002. 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
|
5
|
4
|
|
|
2
|
|
19
|
| Fyke net |
|
|
4
|
1
|
|
|
|
2
|
|
7
|
| Large hoop net |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
| Small hoop net |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
| Mini fyke net |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
Subtotal |
0
|
0
|
36
|
21
|
16
|
0
|
0
|
10
|
0
|
83
|
Sampling period = 2: August 1–September 14
|
Sampling gear
|
BWCS
|
BWCO
|
SCB
|
MCBU
|
MCBW
|
IMPS
|
IMPO
|
TRI
|
TWZ
|
TOTAL
|
| Day electrofishing |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
| Fyke net |
|
|
4
|
1
|
|
|
|
2
|
|
7
|
| Large hoop net |
|
|
8
|
5
|
3
|
|
|
2
|
|
18
|
| Small hoop net |
|
|
8
|
5
|
3
|
|
|
2
|
|
18
|
| Mini fyke net |
|
|
8 |
5 |
4 |
|
|
2 |
|
19 |
Subtotal |
0
|
0
|
36
|
21
|
14
|
0
|
0
|
10
|
0
|
81
|
Sampling period = 3: September 15–October 31
|
Sampling gear
|
BWCS
|
BWCO
|
SCB
|
MCBU
|
MCBW
|
IMPS
|
IMPO
|
TRI
|
TWZ
|
TOTAL
|
| Day electrofishing |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
| Fyke net |
|
|
4
|
1
|
|
|
|
2
|
|
7
|
| Large hoop net |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
| Small hoop net |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
| Mini fyke net |
|
|
8
|
5
|
4
|
|
|
2
|
|
19
|
Subtotal |
0
|
0
|
36
|
21
|
16
|
0
|
0
|
10
|
0
|
83
|
Total |
0
|
0
|
108
|
63
|
46
|
0
|
0
|
30
|
0
|
247
|
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
August 19, 2004
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/reports_publications/ltrmp/fish/2002/open/tb1_or.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified:
October 2, 2007
