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Title Sum-
Institution Dataset ID
   set  data   graph     files  public Averages and standard deviation across species for all macrofauna found on each carbonate
rock collected during R/V Atlantis cruise AT37-13 in the Pacific margin of Costa Rica from May
to June 2017
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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 Carbonate rocks were collected across seepage gradients at Mound 12 using HOV
Alvin, and washed in miliQ water onboard. Before preserving, the sample was
kept cold and animals were picked to sample tissue for isotope analysis. The
tissue (aprox. 0.5 mg) was placed in pre weighted tin boats or combusted vials
(500C overnight) and frozen at -70C. The remaining washed sample was sieved
through 0.3 mm mesh, separating the sample in two fractions (a fine fraction
with the meiofauna, and a coarser one with the macrofauna), both preserved in
96% Ethanol. In the laboratory, tissue samples were oven dried (60C)
overnight, weighed and acidified with 12.5-25 ul 1N H3PO4 to remove inorganic
C. Stable isotope\u00a0measurements (d13C and d15N) were carried out using a
Costech elemental analyzer coupled to a Micromass Iso-prime isotope ratio mass
spectrometer (EA/IRMS) at Washington State University.
attribute NC_GLOBAL awards_0_award_nid String 710021
attribute NC_GLOBAL awards_0_award_number String OCE-1634172
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1634172 (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 Michael E. Sieracki
attribute NC_GLOBAL awards_0_program_manager_nid String 50446
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Hard substrate isotopes

Data Version 1: 2020-01-09
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 2018-10-05T16:41:30Z
attribute NC_GLOBAL date_modified String 2020-01-14T16:17:13Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.747575.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/747575 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String IR Mass Spec
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Stable isotopes measurements (d13C and d15N) were carried out using a Costech elemental analyzer coupled to a Micromass Iso-prime isotope ratio mass spectrometer (EA/IRMS) at Washington State University.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 747586
attribute NC_GLOBAL instruments_0_description String The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB16/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Isotope-ratio Mass Spectrometer
attribute NC_GLOBAL instruments_0_instrument_nid String 469
attribute NC_GLOBAL instruments_0_supplied_name String Micromass Iso-prime isotope ratio mass spectrometer
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Stable isotopes measurements (d13C and d15N) were carried out using a Costech elemental analyzer coupled to a Micromass Iso-prime isotope ratio mass spectrometer (EA/IRMS) at Washington State University.
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 747585
attribute NC_GLOBAL instruments_1_description String Instruments that quantify carbon, nitrogen and sometimes other elements by combusting the sample at very high temperature and assaying the resulting gaseous oxides. Usually used for samples including organic material.
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB01/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String Elemental Analyzer
attribute NC_GLOBAL instruments_1_instrument_nid String 546339
attribute NC_GLOBAL instruments_1_supplied_name String Costech elemental analyzer
attribute NC_GLOBAL keywords String average, bco, bco-dmo, biological, chemical, cruise, d13, d13C_avg, d13C_stdev, d15, d15N_avg, d15N_stdev, data, dataset, deviation, dive, dmo, erddap, experiment, habitat, management, number, oceanography, office, preliminary, site, standard, standard deviation, stdev, substrate, substrate_number_and_dive
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/747575/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/747575 (external link)
attribute NC_GLOBAL param_mapping String {'747575': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/747575/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of California-San Diego
attribute NC_GLOBAL people_0_affiliation_acronym String UCSD-SIO
attribute NC_GLOBAL people_0_person_name String Lisa A Levin
attribute NC_GLOBAL people_0_person_nid String 51242
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 University of California-San Diego
attribute NC_GLOBAL people_1_affiliation_acronym String UCSD-SIO
attribute NC_GLOBAL people_1_person_name String Gregory Rouse
attribute NC_GLOBAL people_1_person_nid String 51433
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String University of California-San Diego
attribute NC_GLOBAL people_2_affiliation_acronym String UCSD-SIO
attribute NC_GLOBAL people_2_person_name String Lisa A Levin
attribute NC_GLOBAL people_2_person_nid String 51242
attribute NC_GLOBAL people_2_role String Contact
attribute NC_GLOBAL people_2_role_type String related
attribute NC_GLOBAL people_3_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_3_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_3_person_name String Shannon Rauch
attribute NC_GLOBAL people_3_person_nid String 51498
attribute NC_GLOBAL people_3_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL people_4_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_4_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_4_person_name String Karen Soenen
attribute NC_GLOBAL people_4_person_nid String 748773
attribute NC_GLOBAL people_4_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_4_role_type String related
attribute NC_GLOBAL project String Costa Rica Seeps
attribute NC_GLOBAL projects_0_acronym String Costa Rica Seeps
attribute NC_GLOBAL projects_0_description String NSF abstract:
If life were to disappear from the deep sea, would we notice? We only have a cursory understanding of this vast region and the connectivity among its communities and the rest of the oceans, and yet the ecosystems of the deep sea have been implicated in the larger function of the global marine ecosystems. We now rely on the deep ocean for food, energy, novel drugs and materials, and for its role in the global cycling of carbon, as well as for supporting services such as habitat creation, nutrient replenishment for shallow waters, and the maintenance of biodiversity. Cold seeps, active areas of the seafloor where methane and other chemicals are released, are key features along the continental margins worldwide. To characterize how methane seep communities interact with the surrounding ecosystems and vice versa, we will study methane seeps off the Pacific coast of Costa Rica in 2017 and 2018. It is the sphere of influence around the seep, both along the seafloor and up into the water column, that we seek to better understand. We will map the structure and the chemistry surrounding these habitats using a novel 3-dimensional framework, combining typical transects with vertical characterizations of the water column just above the seafloor. This will include measurements of methane flux into the water column and changes in the overlying carbonate chemistry and oxygen levels that are critical to our understanding of the effect of warming, oxygen loss and ocean acidification in this region. Within this framework, we will collect seep organisms in sediments and on rocks (including all sizes from microbes to large animals), and transplant some of these from within the area of seep influence to the background deep sea, and vice-versa. Together, these studies will help us to measure the size of the seep sphere of influence, and also demonstrate the role of these seeps within the deep sea and the greater, global, marine ecosystem. We will share this information with a group of teachers during a series of workshops in the San Diego area, at an exhibit at the Birch Aquarium, and through the work of an artist who has worked extensively with marine organisms in extreme environments.
Chemosynthetic ecosystems are inextricably linked to the broader world-ocean biome and global biogeochemical cycles in ways that we are just beginning to understand. This research will identify the form, extent, and nature of the physical, chemical, and biological linkages between methane seeps and the surrounding deep-sea ecosystem. The proposed research builds critical understanding of the structural and functional processes that underpin the ecosystem services provided by chemosynthetic ecosystems. We target a critical continental margin, Costa Rica, where methane fates and dynamics loom large and play out in an setting that reflects many oceanographic stressors. We will use quantitative sampling and manipulative studies within a 3-dimensional oceanographic framework. We will ask what are the shapes of the diversity and density functions for organisms of different size classes and trophic position over the transition from the seep habitat through the ecotone to the background deep sea? Further, we will ask how do depth, dissolved oxygen concentrations, pH and carbonate ion availability, relative rates of fluid flux, and substrate (biogenic, authigenic carbonate, sediments) alter these linkages and interactions with the surrounding deep sea? Evidence for distinct transitional communities and biotic patterns in density and alpha and beta diversity will be quantified and placed in a global biogeographic context. All of these investigations will occur across biological size spectra: for microorganisms (archaea, bacteria, microeukaryotes), the macrofauna, and the megafauna that form biogenic habitats. Our research results will be interpreted in the context of potential effects of global ocean change in the equatorial Pacific to determine how the linkages with the surrounding deep sea will be altered as anthropogenic impacts proceed in the future. 
Related publications:
Levin, L.A., V.J. Orphan, G.W. Rouse, W. Ussler, A. E. Rathburn, G. S. Cook, S. Goffredi, E. Perez, A. Waren, B. Grupe, G. Chadwick, B. Strickrott. (2012). A hydrothermal seep on the Costa Rica margin: Middle ground in a continuum of reducing ecosystems. Proc. Royal Soc. B. 279: 2580-88 doi: 10.1098/rspb.2012.0205
Sahling, H., Masson, D. G., Ranero, C. R., Hühnerbach, V., Weinrebe, W., Klaucke, I., & Suess, E. (2008). Fluid seepage at the continental margin offshore Costa Rica and southern Nicaragua. Geochemistry, Geophysics, Geosystems 9: doi: 10.1029/2008GC001978
attribute NC_GLOBAL projects_0_end_date String 2019-09
attribute NC_GLOBAL projects_0_geolocation String Costa Rica Pacific Margin
attribute NC_GLOBAL projects_0_name String Collaborative research: Quantifying the biological, chemical, and physical linkages between chemosynthetic communities and the surrounding deep sea
attribute NC_GLOBAL projects_0_project_nid String 648472
attribute NC_GLOBAL projects_0_start_date String 2016-10
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 subsetVariables String cruise
attribute NC_GLOBAL summary String Averages and standard deviation across species for all macrofauna found on each carbonate rock collected during R/V Atlantis cruise AT37-13 in the Pacific margin of Costa Rica from May to June 2017
attribute NC_GLOBAL title String Averages and standard deviation across species for all macrofauna found on each carbonate rock collected during R/V Atlantis cruise AT37-13 in the Pacific margin of Costa Rica from May to June 2017
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable cruise   String  
attribute cruise bcodmo_name String cruiseid
attribute cruise description String Cruise ID, either AT37-13 or AT42-03
attribute cruise long_name String Cruise
attribute cruise units String unitless
variable site   String  
attribute site bcodmo_name String site_descrip
attribute site description String Site name
attribute site long_name String Site
attribute site units String unitless
variable experiment   String  
attribute experiment bcodmo_name String exp_type
attribute experiment description String Experiment, either Colonization of In situ
attribute experiment long_name String Experiment
attribute experiment units String unitless
variable substrate_number_and_dive   String  
attribute substrate_number_and_dive bcodmo_name String dive_id
attribute substrate_number_and_dive description String Substrate number and Alivn dive from which the sample was collected
attribute substrate_number_and_dive long_name String Substrate Number And Dive
attribute substrate_number_and_dive units String unitless
variable habitat   String  
attribute habitat bcodmo_name String site_descrip
attribute habitat description String Seepage activity (active or inactive)
attribute habitat long_name String Habitat
attribute habitat units String unitless
variable d13C_avg   float  
attribute d13C_avg _FillValue float NaN
attribute d13C_avg actual_range float -45.43, -15.4
attribute d13C_avg bcodmo_name String d13C
attribute d13C_avg description String Average of carbon isotope signature of animals on that substrate
attribute d13C_avg long_name String D13 C Avg
attribute d13C_avg units String per mil
variable d15N_avg   float  
attribute d15N_avg _FillValue float NaN
attribute d15N_avg actual_range float -2.55, 12.62
attribute d15N_avg bcodmo_name String d15N
attribute d15N_avg description String Average of nitrogen isotope signature of animals on that substrate
attribute d15N_avg long_name String D15 N Avg
attribute d15N_avg units String per mil
variable d13C_stdev   float  
attribute d13C_stdev _FillValue float NaN
attribute d13C_stdev actual_range float 0.25, 10.49
attribute d13C_stdev bcodmo_name String d13C
attribute d13C_stdev description String Standard deviation of carbon isotope signature of animals on that substrate
attribute d13C_stdev long_name String D13 C Stdev
attribute d13C_stdev units String per mil
variable d15N_stdev   float  
attribute d15N_stdev _FillValue float NaN
attribute d15N_stdev actual_range float 0.44, 4.96
attribute d15N_stdev bcodmo_name String d15N
attribute d15N_stdev description String Standard deviation of nitrogen isotope signature of animals on that substrate
attribute d15N_stdev long_name String D15 N Stdev
attribute d15N_stdev 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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