Upper Midwest Environmental Sciences Center

UMESC - LTRMP Reports - Fish - La Grange Pool - Sampling Effort Allocation

Fish Reports

tree 2000 Report

Table 2.6

Allocation of fish sampling effort among strata in La Grange Pool of the Illinois 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 12   14 11         4 41
Fyke net 10               4 14
Large hoop net     8 8         4 20
Small hoop net     8 8         4 20
Mini fyke net 10   8 7         4 29
Night electrofishing     2           4 6
Seine 8   13 12           33
Trawling                 8 8
Tandem fyke net   6               6
Tandem mini fyke net   6               6
Subtotal
40 12 53 46 0 0 0 0 32 183

Sampling period = 2: August 1–September 14

 

Sampling gear BWCS BWCO SCB MCBU MCBW IMPS IMPO TRI TWZ Total
Day electrofishing 12   14 12         4 42
Fyke net 9               4 13
Large hoop net     8 8         4 20
Small hoop net     8 8         4 20
Mini fyke net 10   7 8         4 29
Night electrofishing     2           4 6
Seine 8   10 9           27
Trawling                 8 8
Tandem fyke net   6               6
Tandem mini fyke net   6               6
Subtotal
39 12 49 45 0 0 0 0 32 177

Sampling period = 3: September 15–October 31

 

Sampling gear BWCS BWCO SCB MCBU MCBW IMPS IMPO TRI TWZ Total
Day electrofishing 12   14 12         4 42
Fyke net 10               4 14
Large hoop net     8 8         4 20
Small hoop net     8 8         4 20
Mini fyke net 10   8 8         4 30
Night electrofishing     2           4 6
Seine 8   12 12           32
Trawling                 8 8
Tandem fyke net   6               6
Tandem mini fyke net   6               6
Subtotal
40 12 52 48 0 0 0 0 32 184
Total
119 36 154 139 0 0 0 0 96 544

 

Sampling srata:
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