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Fish Reports

2001 Report

Table 2.4

Allocation of fish sampling effort among strata in Pool 26 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	6		6	8	2	4				26
Fyke net	4					4				8
Large hoop net			7	10	2					19
Small hoop net			7	10	2					19
Mini fyke net	4		5	2	2	2				15
Night electrofishing									2	2
Seine			12	16						28
Trawling									4	4
Tandem fyke net		2					2			4
Tandem mini fyke net		2					2			4
Subtotal	14	4	37	46	8	10	4	0	6	129

Sampling period = 2: August 1–September 14

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	TOTAL
Day electrofishing	6		6	8	2	4				26
Fyke net	4					4				8
Large hoop net			7	10	2					19
Small hoop net			7	10	2					19
Mini fyke net	4		5	2		2				13
Night electrofishing									2	2
Seine			12	16						28
Trawling									4	4
Tandem fyke net		2					2			4
Tandem mini fyke net		2					2			4
Subtotal	14	4	37	46	6	10	4	0	6	127

Sampling period = 3: September 15–October 31

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	TOTAL
Day electrofishing	5		6	8	2	4				25
Fyke net	4					4				8
Large hoop net			6	10	2					18
Small hoop net			7	10	2					19
Mini fyke net	4		5	2	2	2				15
Night electrofishing									2	2
Seine			12	16						28
Trawling									4	4
Tandem fyke net		2					2			4
Tandem mini fyke net		2					2			4
Subtotal	13	4	36	46	8	10	4	0	6	127
Total	41	12	110	138	22	30	12	0	18	383

 

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