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Title Sum-
Institution Dataset ID
     data   graph     files  public Depth distribution of mussel larvae in eastern Gulf of Maine from R/V C-Hawk day cruises in
the Eastern Gulf of Maine from 2012 to 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,.esriCsv,.geoJson,.odvTxt
attribute NC_GLOBAL acquisition_description String Samples were collected by pumping 100L of water from specific depths and
filtering the water through a 50 \u03bcm plankton net. Samples were preserved
in ethanol. Bivalve veligers were sorted from other plankton and enumerated
under a microscope. A random subset of approximately 33 veligers per sample
were prepared for SEM and viewed. Veligers were identified to the family level
based on previously published criteria for hinge tooth morphology and all
veligers classified as mytillids were measured. Mytilus sp. veligers were
distinguished from the much rarer Modiolus by established relationships
between shell length and the number of hinge teeth. The total number of
bivalve veligers was multiplied by the fraction identified as Mytilus sp. to
yield the estimated number of Mytilus sp. larvae in each sample. This method
did not allow us to distinguish Mytilus edulis larvae from Mytilus trossulus
larvae, but the later species is rare in the bays that we sampled.

For more information see Weinstock et al. 2018.
attribute NC_GLOBAL awards_0_award_nid String 542416
attribute NC_GLOBAL awards_0_award_number String OCE-1458188
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1458188 (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 Mussel Larvae Vertical Distribution
PI(s): Dr Philip O. Yund
Data Version 1: 2019-12-20
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 2019-12-09T20:26:57Z
attribute NC_GLOBAL date_modified String 2020-01-07T15:32:43Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.783755.1
attribute NC_GLOBAL Easternmost_Easting double -67.340914
attribute NC_GLOBAL geospatial_lat_max double 44.657059
attribute NC_GLOBAL geospatial_lat_min double 44.4091939
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -67.340914
attribute NC_GLOBAL geospatial_lon_min double -67.6526958
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 17.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/783755 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, column, data, dataset, date, depth, dmo, end, End_DateTime_UTC, End_time, erddap, latitude, longitude, management, mytilus, name, num, num_Mytilus_sp, oceanography, office, percent, percent_of_Water_column_total, phase, preliminary, sample, Sample_Date, site, Site_name, start, Start_time, tidal, Tidal_Phase, time, total, water
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/783755/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/783755 (external link)
attribute NC_GLOBAL Northernmost_Northing double 44.657059
attribute NC_GLOBAL param_mapping String {'783755': {'Latitude': 'master - latitude', 'Depth': 'master - depth', 'Longitude': 'master - longitude', 'End_DateTime_UTC': 'master - time'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/783755/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Downeast Institute for Applied Marine Research and Education
attribute NC_GLOBAL people_0_affiliation_acronym String DEI
attribute NC_GLOBAL people_0_person_name String Dr Philip O. Yund
attribute NC_GLOBAL people_0_person_nid String 51154
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 Amber York
attribute NC_GLOBAL people_1_person_nid String 643627
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 GOMEPRO
attribute NC_GLOBAL projects_0_acronym String GOMEPRO
attribute NC_GLOBAL projects_0_description String Rocky intertidal habitats in the Gulf of Maine (GoM) provide a model system to examine the structure and dynamics of natural communities. Throughout the Gulf of Maine, the same species are often found in these habitats but community structure, dynamics and productivity differ markedly among 3 distinct regions (southern, central and northern GoM). Past influential work, conducted primarily in the southern and central GoM, focused on the local processes driving intertidal community structure but produced very different conceptual models of how these communities are structured. This project examines whether regional differences in rocky shore community processes are driven by differences in recruitment that are shaped by regional variation in temperature and food availability and nearshore coastal oceanography. This project will improve the understanding of how large-scale environmental forces interact with local processes to control the distribution of species and the structure and dynamics of these communities. Understanding the interaction between processes operating at different scales is fundamentally important to developing more reliable models that can be used to predict community dynamics. In addition, data resulting from this project will have important implications for regional dynamics in commercially important species and for ecosystem and fisheries management within the GoM.
The overarching hypothesis of this project is that regional differences in community-level processes are driven by very different patterns of population connectivity and recruitment in a few key species, and that these differences are ultimately caused by regional variation in temperature and food availability and mediated by physical larval transport processes. Hence, the project will test the following hypotheses with manipulative field experiments, field sampling, connectivity estimates, and integrative modeling:
1) Locally-dispersing species dominate dynamics in regions with a net export of planktonic larvae (Northern GoM), while species with planktonic larvae dominate the dynamics in regions with high settlement and extensive connectivity among populations (Southern GoM).
2) Settlement density of species with planktonic larvae increases from northern to southern regions in accord with regional variation in food availability.
3) Population connectivity varies greatly among regions, with regions differing in the degree to which they are self-seeded or serve as larval sources vs. sinks; self-seeding leads to relatively localized population dynamics in the middle portion of the GoM.
4) Patterns of population connectivity are driven by physical transport processes and can be represented by coupling basic larval behavior models with circulation models.
At 18 different sites in the GoM across ~ 600 km, surveys will evaluate variation in recruitment, food availability and secondary productivity and experiments will assess community processes in wave-exposed and sheltered habitats. We will use hydrographic, current profile, and larval vertical distribution surveys to collect data for coupled larval/circulation models. Population connectivity will be both modeled and empirically evaluated (for one species) using elemental fingerprinting. A spatially explicit metacommunity model will integrate across all project components and test the relative importance of regional and local processes in controlling community organization and dynamics.
attribute NC_GLOBAL projects_0_end_date String 2019-01
attribute NC_GLOBAL projects_0_geolocation String Rocky intertidal shores and nearshore coastal waters throughout the Gulf of Maine
attribute NC_GLOBAL projects_0_name String Intertidal community assembly and dynamics: Integrating broad-scale regional variation in environmental forcing and benthic-pelagic coupling
attribute NC_GLOBAL projects_0_project_nid String 542407
attribute NC_GLOBAL projects_0_start_date String 2015-02
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 Southernmost_Northing double 44.4091939
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Depth distribution of mussel larvae in eastern Gulf of Maine from R/V C-Hawk day cruises in the Eastern Gulf of Maine from 2012 to 2014
attribute NC_GLOBAL time_coverage_end String 2014-08-07T22:12Z
attribute NC_GLOBAL time_coverage_start String 2012-08-01T13:22Z
attribute NC_GLOBAL title String Depth distribution of mussel larvae in eastern Gulf of Maine from R/V C-Hawk day cruises in the Eastern Gulf of Maine from 2012 to 2014
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -67.6526958
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Sample_Date   String  
attribute Sample_Date bcodmo_name String date_utc
attribute Sample_Date description String Sample date in ISO 8601 format yyyy-mm-dd
attribute Sample_Date long_name String Sample Date
attribute Sample_Date time_precision String 1970-01-01
attribute Sample_Date units String unitless
variable Site_name   String  
attribute Site_name bcodmo_name String site
attribute Site_name description String Site name. Matches Fig. 1 in Weinstock et al. 2018
attribute Site_name long_name String Site Name
attribute Site_name units String unitless
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 44.4091939, 44.657059
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String Sample latitude
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -67.6526958, -67.340914
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String Sample longitude
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable Start_time   String  
attribute Start_time bcodmo_name String ISO_DateTime_UTC
attribute Start_time description String Sample start time (UTC) in HH:MM
attribute Start_time long_name String Start Time
attribute Start_time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute Start_time units String unitless
variable End_time   String  
attribute End_time bcodmo_name String ISO_DateTime_UTC
attribute End_time description String Sample end time (UTC) in ISO 8601 format HH:MM
attribute End_time long_name String End Time
attribute End_time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute End_time units String unitless
variable Tidal_Phase   String  
attribute Tidal_Phase bcodmo_name String site_descrip
attribute Tidal_Phase description String Tidal phase (Ebb or Flood tide)
attribute Tidal_Phase long_name String Tidal Phase
attribute Tidal_Phase units String unitless
variable depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 0.0, 17.0
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String Sample depth
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable num_Mytilus_sp   short  
attribute num_Mytilus_sp _FillValue short 32767
attribute num_Mytilus_sp actual_range short 0, 7426
attribute num_Mytilus_sp bcodmo_name String abundance
attribute num_Mytilus_sp description String The number of Mytilus larvae as calculated by the methods of Weinstock et al. 2018. The total number of bivalve larvae in the sample was multiplied by the fraction determined to be Mytilus edulis or Mytilus trossulus (the two species could not be distinguished) based on scanning electron microscope (SEM) analysis of larval hinge teeth. These are the raw data used for analysis.
attribute num_Mytilus_sp long_name String Num Mytilus Sp
attribute num_Mytilus_sp nerc_identifier String https://vocab.nerc.ac.uk/collection/P03/current/B070/ (external link)
attribute num_Mytilus_sp units String per individual
variable percent_of_Water_column_total   float  
attribute percent_of_Water_column_total _FillValue float NaN
attribute percent_of_Water_column_total actual_range float 0.0, 68.8
attribute percent_of_Water_column_total bcodmo_name String abundance
attribute percent_of_Water_column_total colorBarMaximum double 100.0
attribute percent_of_Water_column_total colorBarMinimum double 0.0
attribute percent_of_Water_column_total description String The percent of water column total is number of Mytilus sp. divided by the sum of the number of Mytilus sp. at that location, date, and tidal phase for samples collected in 2014, and 1/3 of that same sum for samples collected in 2012 and 2013 to remove the effect of triplicate samples at each depth. These data remove the effect of variation in total abundance among sampling dates/sites and are presented in Fig. 2 of Weinstock et al., 2018.
attribute percent_of_Water_column_total long_name String Percent Of Water Column Total
attribute percent_of_Water_column_total nerc_identifier String https://vocab.nerc.ac.uk/collection/P03/current/B070/ (external link)
attribute percent_of_Water_column_total units String percent
variable Start_DateTime_UTC   String  
attribute Start_DateTime_UTC bcodmo_name String ISO_DateTime_UTC
attribute Start_DateTime_UTC description String Sample start datetime (UTC) in ISO 8601 format YYYY-mm-ddTHH:MMZ
attribute Start_DateTime_UTC long_name String Start Date Time UTC
attribute Start_DateTime_UTC nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute Start_DateTime_UTC source_name String Start_DateTime_UTC
attribute Start_DateTime_UTC time_precision String 1970-01-01T00:00Z
attribute Start_DateTime_UTC units String unitless
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.34382732E9, 1.40744952E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Sample end datetime (UTC) in ISO 8601 format YYYY-mm-ddTHH:MMZ
attribute time ioos_category String Time
attribute time long_name String End Date Time UTC
attribute time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z

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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