Ingestion Rates and Trophic Relationships of Deep-sea       Benthic Boundary Layer Zooplankton
{'Code': '06040301', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Emma R. Dieter', 'PO_EMAI': None, 'PO_PHON': None}
This research will investigate the feeding rates, trophic               relationships, and impact of the benthic boundary layer (BBL)                   zooplankton in deep-sea near-bottom communities.  In the                        collaborative investigations, Drs. Gowing and Wishner will obtain               indicators of zooplankton activity in the deep sea and estimate                 of their impact as particle modifiers and energy consumers.  The                new methods for measuring in situ zooplankton ingestion rates,                  with the use of fluorescent particles as unambiguous tracers of                 ingestion, will allow documentation of gut passage time and the                 ability of these zooplankters to respond to the presence of food.               Examination of the gut contents of the zooplankton, along with                  similar analyses of water column particulates, will enable them                 to determine specific trophic pathways in the deep-sea BBL.                     Electron microscopy will make it possible to resolve material                   often labeled amorphous, determine the ultrastructural condition                (living or detrital) of the gut contents, and recognize organisms               such as metal-precipitating bacteria.  Since zooplankton ingest                 particulate material and repackage it as fecal pellets, they                    alter the size, density, and composition of the near-bottom                     particulates, and thus may affect benthic and pelagic                           communitydynamics and BBL chemical and particulate fluxes.
{'FirstName': 'Marcia', 'LastName': 'Gowing', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Marcia M Gowing', 'EmailAddress': 'gowing@cats.ucsc.edu', 'NSF_ID': '000473859', 'StartDate': '01/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of California-Santa Cruz', 'CityName': 'SANTA CRUZ', 'ZipCode': '950641077', 'PhoneNumber': '8314595278', 'StreetAddress': '1156 HIGH ST', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'California', 'StateCode': 'CA', 'CONGRESSDISTRICT': '19', 'CONGRESS_DISTRICT_ORG': 'CA19', 'ORG_UEI_NUM': 'VXUFPE4MCZH5', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF CALIFORNIA SANTA CRUZ', 'ORG_PRNT_UEI_NUM': None}
{'Name': None, 'CityName': None, 'StateCode': None, 'ZipCode': None, 'StreetAddress': None, 'CountryCode': None, 'CountryName': None, 'StateName': None, 'CountryFlag': None, 'CONGRESSDISTRICT': None, 'CONGRESS_DISTRICT_PERF': '""'}
{'Code': '165000', 'Text': 'BIOLOGICAL OCEANOGRAPHY'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8720193.xml'}