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OLS Field Name OLS Field Data
Main Title Survival of Intestinal Bacteria in Oligotrophic Waters.
Author Johnstone, Donald L. ; Kubinski., A. Mark ;
CORP Author Washington, State Water Research Center, Pullman.
Year Published 1973
Report Number 14; DI-14-31-0001-3848; OWRR-A-048-WASH; W74-07737 ; OWRR-A-0480WASH(1)
Stock Number PB-232 156
Additional Subjects Water quality ; Water pollution ; Indicator species ; Protozoa ; Coliform bacteria ; Streptococcus ; Feces ; Physiochemical properties ; Aquatic plants ; Washington(State) ; Bacteria ; Enterobacteriaceae ; Purification ; Bioindicators ; Periphyton ; Oligotrophy ; Predator prey relationships
Library Call Number Additional Info Location Last
NTIS  PB-232 156 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 37p
Abstract Direct predator-prey relationships involving a few species of ciliated and flagellated protozoans from the periphyton of oligotrophic waters appear to be the major mechanism in such environments responsible for removal of fecal bacteria. Other factors, such as the indigenous bacterial flora and the physicochemical properties of these waters, are relegated to a more indirect role. The lengthy lag period (4-5 days) required for initial predatory responses indicated the delicate nature of high-quality waters and the need for strict sanitary guidelines to ensure their future safety and quality. The sanitary quality of oligotrophic waters can best be determined by the enumeration of fecal streptococci in conjunction with fecal coliforms.
NTIS Title Notes Project completion rept..
PUB Date Free Form Jul 73
Category Codes 6M; 6F; 13B; 57K; 68D; 57H
NTIS Prices PC A03/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326590540
Origin NTIS
Type CAT