Role of bacteria in the nitrogen cycle in lakes /

Role of bacteria in the nitrogen cycle in lakes /

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Bibliographic Details
Author / Creator:	McCoy, Elizabeth F., 1903-
Imprint:	Washington, DC : U.S. G.P.O., 1972.
Description:	vii, 23 pages : illustrations ; 28 cm.
Language:	English
Series:	Water pollution control research series Water pollution control research series.
Subject:	Bacteria, Denitrifying. Nitrifying bacteria. Eutrophication. Nitrites -- Physiological effect. Fishes -- Diseases. Denitrifying bacteria Eutrophication Fishes -- Diseases Nitrifying bacteria Nitrites -- Physiological effect
Format:	U.S. Federal Government Document Print Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/9966172

Hidden Bibliographic Details
Other authors / contributors:	University of Wisconsin--Madison. Department of Bacteriology. United States. Environmental Protection Agency. Office of Research and Monitoring.
Notes:	"Report date March 1972." Includes bibliographical references (page 23).
Summary:	Biological nitrification as contributing nitrite and nitrate to lakes and streams was explored by determining: nitrifiers, growth sites and activity; denitrifying bacteria numbers and their potential activity as opposing nitrification; field data on nitrite-nitrogen and nitrate-nitrogen in terms of nitrifier and denitrifier populations. Biological nitrification, both heterotrophic and autotrophic, was demonstrated. Even though opposing processes, nitrification and denitrification can coexist in close succession or in adjoining microhabitats. Field values for nitrate-nitrogen and nitrite-nitrogen vary considerably and must be viewed as net values at any given time. Thirteen species of fishes varied greatly in resistance to nitrite-nitrogen. Nitrite toxicity may influence fish species dominance in a eutrophic lake.
Govt.docs classification:	EP 1.16:16010 EHR 03/72

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