Studies of Microbial Foodwebs:  I.  Nutrition and Growth    Rates of Phagotrophic Nanoflagellates in a Coastal Pelagic  Foodweb
{'Code': '06040301', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Phillip R. Taylor', 'PO_EMAI': None, 'PO_PHON': None}
In pelagic systems, the microbial foodweb represents the                   primary link for fixed carbon to metazoan food chains, while at                 the same time a large fraction of phytoplankton production is                   respired by microbes.  Recent studies suggest that phagotrophic                 flagellates less than 5 um are the dominant grazers of                          picoplankton, while slightly larger flagellates (5-10 um)                       consume both autotrophic and heterotrophic cells less than 5um,                 and flagellates and ciliates larger than 10 um prey on smaller                  flagellates. There is also preliminary data that suggest that                   some phagotrophic flagellates may be capable of direct uptake                   of high molecular weight dissolved organic matter (DOM). This                   research is to examine the sources of nutrition, including DOM,                 bacteria and cyanobacteria, phytoplankton and colorless                         flagellates, as well as the rates of growth, of phagotrophic                    flagellates in three size classes of nanoplankton (less than 5                  um, 5-10 um, and greater than 10 um) in the open waters of a                    salt marsh estuary.
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{'Code': '1650', 'Text': 'BIOLOGICAL OCEANOGRAPHY'}
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