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Fish Reports

tree 2001 Report

Table 2.2

Allocation of fish sampling effort among strata in Pool 8 of the Upper Mississippi River during 2001. 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 4 4 4       28
Fyke net 12         4       16
Large hoop net     4 4     4   1 13
Small hoop net     4 4     4   2 14
Mini fyke net 8   4 4   4     2 22
Night electrofishing     4 4 4       4 16
Seine     8 8         4 20
Trawling                 4 4
Tandem fyke net   4         2     6
Tandem mini fyke net   4               4
Subtotal
 28 8 32 28 8 12 10 0 17 143

Sampling period = 2: August 1–September 14

Sampling gear BWCS BWCO SCB MCBU MCBW IMPS IMPO TRI TWZ TOTAL
Day electrofishing 8   8 4 4 4       28
Fyke net 12         4       16
Large hoop net     4 4     4   2 14
Small hoop net     4 4     4   2 14
Mini fyke net 8   4 4   4     2 22
Night electrofishing     4 4 4       4 16
Seine     8 8         4 20
Trawling                 4 4
Tandem fyke net   4         2     6
Tandem mini fyke net   4               4
Subtotal
 28 8 32 28 8 12 10 0 18 144

Sampling period = 3: September 15–October 31

Sampling gear BWCS BWCO SCB MCBU MCBW IMPS IMPO TRI TWZ TOTAL
Day electrofishing 8   8 4 4 4       28
Fyke net 12         4       16
Large hoop net     4 4     4   2 14
Small hoop net     4 4     4   2 14
Mini fyke net 8   4 4   4     2 22
Night electrofishing     4 4 4       4 16
Seine     8 8         4 20
Trawling                 4 4
Tandem fyke net   4         2     6
Tandem mini fyke net   4               4
Subtotal
 28 8 32 28 8 12 10 0 18 144
Total
 84 24 96 84 24 36 30 0 53 431

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 26, 2004

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