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Fish Reports

2004 Report

Table 2.5

Allocation of fish sampling effort among strata in the Open River of the Upper Mississippi River during 2004. 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	4			1		18
Fyke net			4	1				2		7
Large hoop net			8	5	4			2		19
Small hoop net			8	5	4			2		19
Mini fyke net			8	5	4			2		19
Subtotal	0	0	36	21	16	0	0	9	0	82

Sampling period = 2: August 1–September 14

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	TOTAL
Day electrofishing			6	5	3			2		16
Fyke net			3	1				2		6
Large hoop net			8	4	4			2		18
Small hoop net			8	5	4			2		19
Mini fyke net			8	4	4			2		18
Subtotal	0	0	33	19	15	0	0	10	0	77

Sampling period = 3: September 15–October 31

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	TOTAL
Day electrofishing				5	4			2		11
Fyke net			2	1				2		5
Large hoop net			5	5	3			1		14
Small hoop net			5	5	4			2		16
Mini fyke net			2	5	4			2		13
Subtotal	0	0	14	21	15	0	0	9	0	59
Total	0	0	83	61	46	0	0	28	0	218

 

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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September 15, 2005

Page Last Modified: April 17, 2018