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Fish Reports

2001 Report

Table 2.1

Allocation of fish sampling effort among strata in Pool 4 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	8	4					28
Fyke net	6								2	8
Large hoop net			6	4					2	12
Small hoop net			6	4					2	12
Mini fyke net	6		6	4					2	18
Night electrofishing									4	4
Seine			12	12						24
Trawling									4	4
Tandem fyke net		8								8
Tandem mini fyke net		8								8
Subtotal	20	16	38	32	4	0	0	0	16	126

Sampling period = 2: August 1–September 14

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	TOTAL
Day electrofishing	8		8	8	4					28
Fyke net	6								2	8
Large hoop net			6	4					2	12
Small hoop net			6	4					2	12
Mini fyke net	6		6	4					2	18
Night electrofishing									4	4
Seine			12	12						24
Trawling									4	4
Tandem fyke net		8								8
Tandem mini fyke net		8								8
Subtotal	20	16	38	32	4	0	0	0	16	126

Sampling period = 3: September 15–October 31

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	TOTAL
Day electrofishing	4		8	8	4					24
Fyke net	6								2	8
Large hoop net			6	4					2	12
Small hoop net			6	4					2	12
Mini fyke net	6		6	4					2	18
Night electrofishing									4	4
Seine			12	12						24
Trawling									4	4
Tandem fyke net		8								8
Tandem mini fyke net		8								8
Subtotal	16	16	38	32	4	0	0	0	16	122
Total	56	48	114	96	12	0	0	0	48	374

 

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

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August 26, 2004
Page Last Modified: April 17, 2018