Upper Midwest Environmental Sciences Center

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

Fish Reports

tree 2002 Report

Table 2.6

Allocation of fish sampling effort among strata in La Grange Pool of the Illinois 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
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
Trawling
 
 
 
 
 
 
 
 
8
8
Subtotal
32
0
38
36
0
0
0
0
28
134

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
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
Trawling
 
 
 
 
 
 
 
 
8
8
Subtotal
32
0
38
36
0
0
0
0
28
134

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
Trawling
 
 
 
 
 
 
 
 
8
8
Subtotal
32
0
38
36
0
0
0
0
28
134
Total
96
0
114
108
0
0
0
0
84
402

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
Page Last Modified: April 3, 2018