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OLS Field Name OLS Field Data
Main Title Influence of turbidity on fish abundance in western Lake Superior /
Author Swenson, William A.,
CORP Author Wisconsin Univ.-Superior.;Environmental Research Lab.-Duluth, MN.
Publisher Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory, National Technical Information Service,
Year Published 1978
Report Number EPA-600/3-78-067; EPA-R-802455
Stock Number PB-286 502
OCLC Number 04326563
ISBN pbk.
Subjects Fishes--Superior, Lake--Geographical distribution. ; Zooplankton--Superior, Lake. ; Fishes--Geographical distribution. ; Lake Superior.
Additional Subjects Turbidity ; Fresh water fishes ; Fishes ; Lake Superior ; Zooplankton ; Trout ; Herrings ; Flatfishes ; Larvae ; Abundance ; Survival ; Growth ; Gradients ; Clay soils ; Distribution ; Water pollution ; Animal behavior ; Responses ; Water pollution effects(Animals) ; Coregonus artedii ; Osmerus mordax ; Stizostedion vitreum ; Salvelinus namaycush ; Predation
Internet Access
Description Access URL
http://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9101QXF0.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EJBD ARCHIVE EPA 600-3-78-067 Headquarters Library/Washington,DC 01/11/2011
EJBD  EPA 600-3-78-067 c.1 Headquarters Library/Washington,DC 03/25/2014
EKAM  EPA 600/3-78-067 Region 4 Library/Atlanta,GA 05/13/1994
ELAD  EPA 600-3-78-067 Region 5 Library/Chicago,IL 05/16/2016
ELBD  EPA 600-3-78-067 AWBERC Library/Cincinnati,OH 04/10/1998
ELDD  EPA-600/3-78-067 3 copies CCTE/GLTED Library/Duluth,MN 08/09/2002
ESAD  EPA 600-3-78-067 Region 10 Library/Seattle,WA 08/22/2017
NTIS  PB-286 502 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Collation vii, 84 pages : illustrations, map ; 28 cm
Abstract This research project was developed to improve understanding of the influence of turbidity on fish populations and the mechanism through which its effects are induced. Field and laboratory studies emphasized measurement of behavioral response of fish and resulting changes in fish species interrelationships in western Lake Superior. Direct effects of red clay turbidity on survival and growth of larval lake herring (Coregonus artedii) were also measured. Field measurements demonstrated that light penetration in western Lake Superior is reduced significantly even at very low levels of red clay turbidity. Zooplankton and fish abundance and distribution were influenced by turbidity. Zooplankton abundance and distribution was highest near the surface in red clay plumes. Smelt (Osmerus mordax) move into the upper 12 m of water in response to turbidity where their predation on larval fish increases. Predation by smelt on larval lake herring was identified as a potentially important factor contributing to the decline of the formerly abundant western Lake Superior lake herring population and the commercial fishery which depended upon it.
Notes Grant no. R802455. Issued July 1978. Includes bibliographical references (pages 69-72).
Place Published Duluth, Minn. Springfield, Va.
Access Notes Also issued online.
Corporate Au Added Ent Environmental Research Laboratory (Duluth, Minn.),; United States. National Technical Information Service,
Corp Au Ser Add Ent United States. Environmental Protection Agency. Ecological research series ; EPA-600/3-78-067.
PUB Date Free Form 1978
Series Title Untraced Ecological research series ; EPA-600/3-78-067
NTIS Prices PC A05/MF A01
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source RDA
OCLC Time Stamp 20170815123526
Language eng
SUDOCS Number EP 1.23:600/3-78-067
Origin OCLC
Type CAT
OCLC Rec Leader 02616cam 2200577Ii 45010