Upper Midwest Environmental Sciences Center

Home About Director's Overview History of Center Employee Directory Map to Center Partners State Field Stations Lake City, Minnesota La Crosse, Wisconsin Bellevue, Iowa Great Rivers, Illinois Open River, Missouri Havana, Illinois Field Station Directory Science Programs Aquatic Ecosystem Health River Ecology Long Term Resource Monitoring Wildlife Ecology Geospatial Sciences and Technology Science Initiatives Science Topics Data and Tools Publications Software Multimedia News

Fish Reports

2000 Report

Table 2.1

Allocation of fish sampling effort among strata in Pool 4 of the Upper Mississippi 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	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					1	17
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	15	125

Sampling period = 2: August 1–September 14

 

Sampling gear	BWCS	BWCO	SCB	MCBU	MCBW	IMPS	IMPO	TRI	TWZ	Total
Day electrofishing	6		9	9	4					28
Fyke net	6								2	8
Large hoop net			6	4					2	12
Small hoop net			6	4					2	12
Mini fyke net	8		4	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	37	33	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	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
Total	60	48	113	97	12	0	0	0	47	377

 

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 26, 2004
Page Last Modified: April 17, 2018