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RECORD NUMBER: 21 OF 139

OLS Field Name OLS Field Data
Main Title Availability of Dissolved Organic Carbon to Bacterioplankton Examined by Oxygen Utilization.
Author Coffin, R. B. ; Connolly, J. P. ; Harris., P. S. ;
CORP Author Manhattan Coll., Bronx, NY. Dept. of Environmental Engineering and Science. ;Technical Resources, Inc., Gulf Breeze, FL.;Environmental Research Lab., Gulf Breeze, FL.
Publisher c4 Nov 93
Year Published 1993
Report Number EPA-R-815310-02; EPA/600/J-94/110;
Stock Number PB94-155496
Additional Subjects Bacteria ; Plankton ; Oxygen consumption ; Dissolved organic matter ; Biochemical oxygen demand ; Uptake ; Incubation ; Aquatic microbiology ; Growth rates ; Respiration ; Reprint ; DOC(Dissolved organic carbon)
Holdings
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Status
NTIS  PB94-155496 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 09/01/1994
Collation 16p
Abstract
Oxygen consumption is used to study the dynamics of dissolved organic carbon (DOC) utilization by bacteria. Incubation experiments (20d) for different dates and in different estuarine locations resulted in similar total oxygen utilization; however, the time to obtain maximum BOD was markedly different. In these experiments the maximum rate of oxygen consumption frequently occurred within the first 24 h. In 24-h incubation experiments, oxygen uptake and bacteria production was commonly fastest during the first six h. Rapid oxygen consumption corresponded to a proportional bacterial production. These experiments indicated that a small, highly labile component of the DOC pool supported a large fraction of bacterial production.