Upper Midwest Environmental Sciences Center

UMESC - LTRMP Reports - Fish - Open River - Sampling Effort Allocation

Fish Reports

tree 2000 Report

Table 2.5

Allocation of fish sampling effort among strata in the Open River section of the Upper Mississippi River during 2000. 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       2   15
Fyke net     4 1       2   7
Gill net     2             2
Large hoop net     7 4 1     2   14
Small hoop net     7 5 1     2   15
Mini fyke net     8 5 1     2   16
Seine     8 8           16
Trawling       1           1
Subtotal
0 0 44 29 3 0 0 10 0 86

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     3 1       2   6
Gill net     4 2 2         8
Large hoop net     8 5 4     2   19
Small hoop net     8 5 4     2   19
Mini fyke net     8 5 4     2   19
Seine     15 12           27
Subtotal
0 0 54 35 18 0 0 10 0 117

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
Gill net     4 2 2         8
Large hoop net     8 5 4     2   19
Small hoop net     8 5 4     2   19
Mini fyke net     8 5 4     2   19
Seine     8 12           20
Subtotal
0 0 48 35 18 0 0 10 0 111
Total
0 0 146 99 39 0 0 30 0 314

 

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


Page Last Modified: April 3, 2018