The Effectiveness of Poisons and Preservatives on           Preventing the Decomposition of Organic Matter Collected    in Sediments Traps
{'Code': '06040302', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Nicholas Anderson', 'PO_EMAI': 'nanderso@nsf.gov', 'PO_PHON': '7032924715'}
The proposed research will investigate the ability of                   commonly-used poisons and preservatives to prevent alteration                   and decomposition of organic matter collected in sediment raps.                 In-situ experiments will be conducted under conditions which                    represent both coastal and oen ocean areas, periods of maximum                  high and low productivity, and oxic and anoxic environments.                    The experiments will test the ability of different                              poisons/preservatives to prevent compositional changes of                       organic matter in sediment traps and will provide fundamental                   information on the relative decomposition rates of individual                   compounds and compound classe, specifically contrasting                         terrigenous and marine material in oxic and anoxic basins.                              Two major questions will be addressed:  1) what is the                  effectiveness of various poisons and preservatives on the                       composition of organic  matter collected in sediment traps; and                 2) what is the extent of decomposition or preservation of the                   major classes of biogenic compounds?  The approach to answering                 these questions will be determine concentrations of organic                     compounds (lipids, sugars, amino acids, pigments, and lignin                    oxidation products) in sediment traps which have been                           unpoisoned or which have been treated with HgC12, NaN3,                         chloroform, salt gradient, formalin, or antibiotics.  Field                     experiments will be conducted in Dabob Bay, Washington, during                  low and high productivity, in Saanich Inlet, British Columbia,                  in oxic and anoxic waters, and at the time-series Station "S"                   off Bermuda.
{'FirstName': 'John', 'LastName': 'Hedges', 'PI_MID_INIT': 'I', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'John I Hedges', 'EmailAddress': 'jihedges@u.washington.edu', 'NSF_ID': '000276724', 'StartDate': '10/15/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Washington', 'CityName': 'SEATTLE', 'ZipCode': '981951016', 'PhoneNumber': '2065434043', 'StreetAddress': '4333 BROOKLYN AVE NE', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Washington', 'StateCode': 'WA', 'CONGRESSDISTRICT': '07', 'CONGRESS_DISTRICT_ORG': 'WA07', 'ORG_UEI_NUM': 'HD1WMN6945W6', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF WASHINGTON', 'ORG_PRNT_UEI_NUM': None}
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[{'Code': '1670', 'Text': 'Chemical Oceanography'}, {'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}]
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8711016.xml'}