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RECORD NUMBER: 1205 OF 1474

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Main Title

Smallmouth bass and largemouth bass in the Tongue River Reservoir, Montana, 1975-76 /

Author

Penkal, Russell F. ; Gregory, Richard W.

Other Authors

Author	Title of a Work
Gregory, Richard W.

CORP Author

Montana Cooperative Fishery Research Unit, Bozeman.;Environmental Research Lab.-Duluth, MN.

Publisher

Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available through N.T.I.S.,

Year Published

1980

Report Number

EPA 600-3-80-045; EPA-R-803950

Stock Number

PB80-194319

OCLC Number

08081889

Subjects

Fish populations--Montana--Tongue River Reservoir ; Fishes--Effect of water pollution on--Montana ; Strip mining--Environmental aspects--Montana ; Fishes--Montana--Effect of water pollution on

Additional Subjects

Coal mining ; Bass ; Ecology ; Water pollution ; Tongue River Reservoir ; Environmental impacts ; Abundance ; Populations ; Seasonal variations ; Mortality ; Reproduction(Biology) ; Montana ; Micropterus dolomieui ; Micropterus salmoides

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9100T5VB.PDF

Holdings

Library	Call Number	Additional Info	Location	Last Modified
EHAM	QH365.4.M9P45 1980		Region 1 Library/Boston,MA	04/29/2016
EJBD	EPA 600-3-80-045		Headquarters Library/Washington,DC	03/01/2019
ELBD ARCHIVE	EPA 600-3-80-045	Received from HQ	AWBERC Library/Cincinnati,OH	10/04/2023
ELDD	EPA-600/3-80-045		CCTE/GLTED Library/Duluth,MN	04/21/2010
NTIS	PB80-194319	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

viii, 46 pages : illustrations, maps ; 28 cm.

Abstract

Population parameters of smallmouth bass (Micropterus dolomieui) and largemouth bass (M. salmoides) were studied during 1975 and 1976, before expansion of surface coal mining adjacent to the Tongue River Reservoir in southeastern Montana. Reproductive success, as determined by alongshore seining, varied in different areas of the reservoir and may be correlated to turbidity. Population estimates were obtained at night during spring and fall 1976 with boat electrofishing gear. For yearling and older smallmouth bass the fall population of 13.0 fish/ha and the standing crop of 2.03 kg/ha represented 80 and 84 percent of the totals for basses in the reservoir. The largemouth bass population and standing crop during fall 1976 was 3.2 fish/ha and 0.32 kg/ha.

Notes

"EPA 600-3-80-045." "May 1980." Cover title. Grant no. Includes bibliographical references (pages 42-45).

Place Published

Duluth, Minn. Springfield, Va.

Supplementary Notes