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Title Sum-
Institution Dataset ID
     data   graph     files  public Organic matter composition of the dominant plants in and around three marsh ponds in PIE-
LTER (Rowley, MA) from 2014.
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv
attribute NC_GLOBAL acquisition_description String The three ponds are located in the high marsh (1.43-1.46 m above North
American Vertical Datum of 1988) of the Plum Island Ecosystems \u2013 Long
Term Ecological Research (PIE-LTER) site. Leaves from S. alterniflora, S.
patens, R. maritima, and Ulva were collected in August 2014 from across the
marsh platform and all three ponds; tissues were combined in combusted (450
\u2103) glass jars to form species-specific composite samples. Benthic
microalgae (BMA) were collected from ponds 1 and 2, as part of a separate
study (July 2016), by placing combusted glass slides on surface sediments for
one week and scraping attached material onto combusted glass fiber filters.
All samples were frozen (-20 \u2103) until analysis for TOC, TN, \u03b413C,
and \u03b415N. Samples were prepared for elemental and isotopic analyses by
drying to constant mass (60 \u00b0C) and fuming with hydrochloric (HCl) acid
to remove carbonates (Hedges and Stern 1984). Analyses were performed by the
Stable Isotope Laboratory at the Marine Biological Laboratory (Woods Hole,
MA). Isotopic data are reported in the conventional \u03b4-notation in units
of per mil (\u2030).
attribute NC_GLOBAL awards_0_award_nid String 529582
attribute NC_GLOBAL awards_0_award_number String OCE-1233678
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1233678 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Organic matter composition of dominant plants in marsh ponds
A. Spivak, PI
Version 5 June 2018
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2018-06-05T20:14:33Z
attribute NC_GLOBAL date_modified String 2018-07-17T18:35:22Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.738188.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/738188 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, d13, d13C, d15, d15N, data, dataset, dmo, erddap, management, oceanography, office, plant, pond, preliminary, toc
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/738188/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/738188 (external link)
attribute NC_GLOBAL param_mapping String {'738188': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/738188/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_0_affiliation_acronym String WHOI
attribute NC_GLOBAL people_0_person_name String Amanda Spivak
attribute NC_GLOBAL people_0_person_nid String 529580
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Hannah Ake
attribute NC_GLOBAL people_1_person_nid String 650173
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String benthic_PP_at_TIDE
attribute NC_GLOBAL projects_0_acronym String benthic_PP_at_TIDE
attribute NC_GLOBAL projects_0_description String Extracted from the NSF award abstract:
This project will address how rates of benthic microalgal production respond to eutrophication and geomorphological changes in human-impacted tidal creeks. Excess nutrient loading increases benthic algal biomass and likely stimulates production rates but the magnitude of nutrient and geomorphological effects on rates of production is unknown. Will changes in benthic algal productivity affect algal-bacterial coupling? Furthermore, how is algal-bacterial coupling affected by geomorphological changes, which may be exacerbated by excess nutrient loading but can also occur in pristine marshes?
This project will take advantage of the infrastructure of the TIDE project, a long-term saltmarsh eutrophication experiment at the Plum Island Ecosystem - Long Term Ecological Research site in Northeastern Massachusetts. Specifically, the PIs will measure benthic metabolism and examine algal- bacterial coupling in fertilized and ambient nutrient tidal creeks in the first field season. The following field season, they will compare sediment metabolism and carbon dynamics on slumped tidal creek walls (i.e. areas where low marsh has collapsed into the tidal creek) to that on the bottom of tidal creeks. In both years, gross and net production will be determined using an innovative triple oxygen isotope technique and traditional dissolved oxygen and inorganic carbon flux measurements. Comparisons between these methods will be useful in informing studies of sediment metabolism. Lipid biomarkers will be used to characterize the sources of organic matter to creek sediments, and stable isotope analysis of bacterial specific biomarkers to identify the sources of organic carbon utilized by sediment bacteria. The biomarkers will reveal whether sediment bacteria use organic matter substrates, such as benthic microalgal carbon, selectively or in proportion to availability. Overall, results from the proposed study will provide important information about how sediment carbon dynamics in shallow tidal creeks respond to long term eutrophication. Furthermore, findings will enhance understanding of the role of tidal creeks in coastal biogeochemistry.
attribute NC_GLOBAL projects_0_end_date String 2015-08
attribute NC_GLOBAL projects_0_geolocation String Plum Island Estuary, Rowley Massachusetts
attribute NC_GLOBAL projects_0_name String Eutrophication Effects on Sediment Metabolism and Benthic Algal-bacterial Coupling: An Application of Novel Techniques in a LTER Estuary
attribute NC_GLOBAL projects_0_project_nid String 529583
attribute NC_GLOBAL projects_0_start_date String 2012-09
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Organic matter composition of the dominant plant communities in and around three high marsh ponds within PIE-LTER. Data were collected in the summer of 2014.
attribute NC_GLOBAL title String Organic matter composition of the dominant plants in and around three marsh ponds in PIE-LTER (Rowley, MA) from 2014.
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Plant   String  
attribute Plant bcodmo_name String species
attribute Plant description String Plant species; Alterniflora = Spartina alterniflora
Ruppia = Ruppia maritima
Patens = Spartina patens
Pond BMA = pond benthic microalgae
attribute Plant long_name String Plant
attribute Plant units String unitless
variable Pond   byte  
attribute Pond _FillValue byte 127
attribute Pond actual_range byte 1, 3
attribute Pond bcodmo_name String Site_ID
attribute Pond description String Site number
attribute Pond long_name String Pond
attribute Pond units String unitless
variable TOC   double  
attribute TOC _FillValue double NaN
attribute TOC actual_range double 0.611626823723675, 41.592685364454
attribute TOC bcodmo_name String TOC
attribute TOC description String Percent total organic carbon
attribute TOC long_name String TOC
attribute TOC nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CORGCOTX/ (external link)
attribute TOC units String percent
variable d13C   double  
attribute d13C _FillValue double NaN
attribute d13C actual_range double -17.7112210919869, -9.82443864538069
attribute d13C bcodmo_name String d13C
attribute d13C description String d13C in units of per mil
attribute d13C long_name String D13 C
attribute d13C units String per mil
variable TN   double  
attribute TN _FillValue double NaN
attribute TN actual_range double 0.08675979485693, 2.8814704374062
attribute TN bcodmo_name String N
attribute TN description String Percent total nitrogen
attribute TN long_name String TN
attribute TN units String percent
variable d15N   double  
attribute d15N _FillValue double NaN
attribute d15N actual_range double -1.22439559773684, 4.21377390810107
attribute d15N bcodmo_name String d15N
attribute d15N description String d15N in units of per mil
attribute d15N long_name String D15 N
attribute d15N units String per mil

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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