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     data   graph     files  public [Ulva: CHN and stable isotopes] - Stable isotope ratios and mass of carbon and nitrogen in
Ulva cells under ocean acidification conditions (Seaweed OA Resilience project) (Ocean
Acidification: Scope for Resilience to Ocean Acidification in Macroalgae) 		   ?        I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_732564

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 Ulva was collected prior to each trial in May, June and July 2015 near Malibu,
CA (34\u00b004'12\"N 118\u00b056'69\"W)

Culture pots were placed in large thermally insulated coolers in a
temperature-controlled water bath at 15C under saturating illumination of ~550
\u00b5moles photons/m^2/s. pCO2 treatments were supplied to closed culture
pots by use of a gas mixing system combining Nitrogen, Oxygen and Carbon
Dioxide to specific CO2 partial pressures, 20.9% oxygen and the balance being
Nitrogen.
attribute NC_GLOBAL awards_0_award_nid String 55177
attribute NC_GLOBAL awards_0_award_number String OCE-1316198
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1316198 (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 CHN isotopes - Ulva
Stable isotope ratios and mass of carbon and nitrogen in Ulva cells under OA
PI's: J. Kubler, S. Dudgeon (CSU-Northridge)
version: 2018-03-26
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 2018-03-28T18:54:35Z
attribute NC_GLOBAL date_modified String 2019-06-03T18:11:29Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.732564.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/732564 (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 Instrument located at the University of California, Davis Stable Isotope Facility (UCD-SIF) and used to measure isotope carbon and nitrogen isotopes.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 732571
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_1_acronym String Scale
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Used to weigh dried plant tissue samples.
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 732570
attribute NC_GLOBAL instruments_1_description String An instrument used to measure weight or mass.
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB13/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String Scale
attribute NC_GLOBAL instruments_1_instrument_nid String 714
attribute NC_GLOBAL instruments_1_supplied_name String Analytical balance (Mettler Toledo XP205)
attribute NC_GLOBAL keywords String average, bco, bco-dmo, biological, C_mass_sample, C_N, carbon, carbon dioxide, chemical, co2, d13, d13C, d15, d15N, data, dataset, dioxide, dmo, erddap, management, mass, mass_plant, N_mass_sample, oceanography, office, pCO2_avg, pCO2_sd, plant, preliminary, sample, Sample_ID
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/732564/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/732564 (external link)
attribute NC_GLOBAL param_mapping String {'732564': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/732564/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String California State University Northridge
attribute NC_GLOBAL people_0_affiliation_acronym String CSU-Northridge
attribute NC_GLOBAL people_0_person_name String Dr Janet E Kubler
attribute NC_GLOBAL people_0_person_nid String 51681
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 California State University Northridge
attribute NC_GLOBAL people_1_affiliation_acronym String CSU-Northridge
attribute NC_GLOBAL people_1_person_name String Dr Steve Dudgeon
attribute NC_GLOBAL people_1_person_nid String 51682
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 Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_2_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_2_person_name String Nancy Copley
attribute NC_GLOBAL people_2_person_nid String 50396
attribute NC_GLOBAL people_2_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_2_role_type String related
attribute NC_GLOBAL project String Seaweed OA Resilience
attribute NC_GLOBAL projects_0_acronym String Seaweed OA Resilience
attribute NC_GLOBAL projects_0_description String Benthic macroalgae contribute to intensely productive near shore ecosystems and little is known about the potential effects of ocean acidification on non-calcifying macroalgae. Kübler and Dudgeon will test hypotheses about two macroalgae, Ulva spp. and Plocamium cartilagineum, which, for different reasons, are hypothesized to be more productive and undergo ecological expansions under predicted changes in ocean chemistry. They have designed laboratory culture-based experiments to quantify the scope for response to ocean acidification in Plocamium, which relies solely on diffusive uptake of CO2, and populations of Ulva spp., which have an inducible concentrating mechanism (CCM). The investigators will culture these algae in media equilibrated at 8 different pCO2 levels ranging from 380 to 940 ppm to address three key hypotheses. The first is that macroalgae (such as Plocamium cartilagineum) that are not able to acquire inorganic carbon in changed form will benefit, in terms of photosynthetic and growth rates, from ocean acidification. There is little existing data to support this common assumption. The second hypothesis is that enhanced growth of Ulva sp. under OA will result from the energetic savings from down regulating the CCM, rather than from enhanced photosynthesis per se. Their approach will detect existing genetic variation for adaptive plasticity. The third key hypothesis to be addressed in short-term culture experiments is that there will be a significant interaction between ocean acidification and nitrogen limited growth of Ulva spp., which are indicator species of eutrophication. Kübler and Dudgeon will be able to quantify the individual effects of ocean acidification and nitrogenous nutrient addition on Ulva spp. and also, the synergistic effects, which will inevitably apply in many highly productive, shallow coastal areas. The three hypotheses being addressed have been broadly identified as urgent needs in our growing understanding of the impacts of ocean acidification.
attribute NC_GLOBAL projects_0_end_date String 2016-05
attribute NC_GLOBAL projects_0_geolocation String Temperate coastal waters of the USA (30 - 45 N latitude, -66 to -88 W and -117 to -125 W longitude)
attribute NC_GLOBAL projects_0_name String Ocean Acidification: Scope for Resilience to Ocean Acidification in Macroalgae
attribute NC_GLOBAL projects_0_project_nid String 2275
attribute NC_GLOBAL projects_0_start_date String 2013-06
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 This dataset includes carbon and nitrogen content and stable isotope values from Ulva lactuca tissue grown at 15\u00b0 C and various CO2 levels, from May 2015 through July 2015.
attribute NC_GLOBAL title String [Ulva: CHN and stable isotopes] - Stable isotope ratios and mass of carbon and nitrogen in Ulva cells under ocean acidification conditions (Seaweed OA Resilience project) (Ocean Acidification: Scope for Resilience to Ocean Acidification in Macroalgae)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Sample_ID   String  
attribute Sample_ID bcodmo_name String sample
attribute Sample_ID description String Trial number: time=0 or end (E); pot number; replicate
attribute Sample_ID long_name String Sample ID
attribute Sample_ID nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute Sample_ID units String unitless
variable pCO2_avg   short  
attribute pCO2_avg _FillValue short 32767
attribute pCO2_avg actual_range short 248, 1001
attribute pCO2_avg bcodmo_name String pCO2
attribute pCO2_avg description String Average pCO2 partial pressure in seawater tanks
attribute pCO2_avg long_name String P CO2 Avg
attribute pCO2_avg nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PCO2C101/ (external link)
attribute pCO2_avg units String microatmospheres (µatm)
variable pCO2_sd   float  
attribute pCO2_sd _FillValue float NaN
attribute pCO2_sd actual_range float 36.22, 1827.8
attribute pCO2_sd bcodmo_name String pCO2
attribute pCO2_sd colorBarMaximum double 50.0
attribute pCO2_sd colorBarMinimum double 0.0
attribute pCO2_sd description String Variability of pCO2 partial pressure - standard deviation
attribute pCO2_sd long_name String P CO2 Sd
attribute pCO2_sd nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PCO2C101/ (external link)
attribute pCO2_sd units String microatmospheres (µatm)
variable d13C   float  
attribute d13C _FillValue float NaN
attribute d13C actual_range float -40.31, -23.22
attribute d13C bcodmo_name String d13C_bio
attribute d13C description String Isotopic composition of delta 13C of plant relative to Pee Dee Belemnite (PDB)
attribute d13C long_name String D13 C
attribute d13C nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/IRBO/ (external link)
attribute d13C units String parts per thousand (ppt)
variable C_mass_sample   float  
attribute C_mass_sample _FillValue float NaN
attribute C_mass_sample actual_range float 730.24, 1133.49
attribute C_mass_sample bcodmo_name String TOC
attribute C_mass_sample description String Mass of carbon in sample
attribute C_mass_sample long_name String C Mass Sample
attribute C_mass_sample nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CORGCOTX/ (external link)
attribute C_mass_sample units String micrograms
variable d15N   float  
attribute d15N _FillValue float NaN
attribute d15N actual_range float -1.51, 15.36
attribute d15N bcodmo_name String d15N_bio
attribute d15N description String isotopic composition of delta 15N of plant relative to air
attribute d15N long_name String D15 N
attribute d15N nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/IRBO/ (external link)
attribute d15N units String parts per thousand (ppt)
variable N_mass_sample   float  
attribute N_mass_sample _FillValue float NaN
attribute N_mass_sample actual_range float 39.58, 155.77
attribute N_mass_sample bcodmo_name String TON
attribute N_mass_sample description String Mass of nitrogen in sample
attribute N_mass_sample long_name String N Mass Sample
attribute N_mass_sample nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/NTOTZZZZ/ (external link)
attribute N_mass_sample units String micrograms
variable C_N   float  
attribute C_N _FillValue float NaN
attribute C_N actual_range float 7.11, 22.48
attribute C_N bcodmo_name String C_to_N
attribute C_N description String Ratio (by mass) of Carbon to Nitrogen
attribute C_N long_name String C N
attribute C_N units String unitless
variable mass_plant   float  
attribute mass_plant _FillValue float NaN
attribute mass_plant actual_range float 3.02, 3.56
attribute mass_plant bcodmo_name String mass_dry
attribute mass_plant description String Mass of plant tissue sample
attribute mass_plant long_name String Mass Plant
attribute mass_plant units String milligrams

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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