Record Display for the EPA National Library Catalog

RECORD NUMBER: 44 OF 169

OLS Field Name OLS Field Data
Main Title Effects of Different Mixing Schedules on Phytoplankton, Zooplankton and Nutrients in Marine Microcosms.
Author Oviatt, C. A. ;
CORP Author Rhode Island Univ., Kingston. Graduate School of Oceanography.;Environmental Research Lab., Narragansett, RI.
Year Published 1981
Report Number EPA-R-806072; EPA-600/J-81-674;
Stock Number PB84-144567
Additional Subjects Plankton ; Marine biology ; Ecology ; Mixing ; Nutrients ; Zooplankton ; Phytoplankton ; Chlorophylls ; Concentration(Composition) ; Biological productivity ; Comparison ; Respiration ; Diurnal variations ; Biomass ; Tables(Data) ; Turbulence ; Estuaries ; Reprints ; Microcosms
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB84-144567 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 14p
Abstract
An experiment was carried out with different mixing schedules in marine microcosms. Continuous mixing resulted in higher chlorophyll concentrations, lower nutrient concentrations and lower zooplankton biomass than no mixing. No mixing caused water-column stratifications of chlorophyll and nutrients, as well as of organisms such as flagellates and rotifers adapted to low-mixing regimes. The most dramatic result was the low biomass of zooplankton in the continuously mixed microcosms and the high biomass of zooplankton in the unmixed microcosm.