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     data   graph     files  public Blue mussel (Mytilus edulis) gonad index data from mussel collections in coastal eastern
Maine between 2014 and 2016 (MuLTI-2 project)
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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
attribute NC_GLOBAL acquisition_description String 15-25 individual blue mussels (Mytilus edulis) were randomly sampled at each
of the major mussel beds (stations) along the eastern Maine coast from
Frenchman Bay to the Canadian border. Sampling reflected the existing size
frequency distribution of mussels within each bed, but was truncated at a
minimum shell length of 25 mm to ensure mussels were of reproductive size. For
each individual mussel, sample processing consisted of measuring the shell
length (0.1 mm resolution), and then dissecting out the gonad and somatic soft
tissue separately. Gonad and somatic soft tissues were weighed separately to
0.01 g resolution. The gonad index of each individual mussel was calculated
from the two measured weights (Gonad Soft Tissue Weight, Somatic Soft Tissue
Weight).
attribute NC_GLOBAL awards_0_award_nid String 527111
attribute NC_GLOBAL awards_0_award_number String OCE-1333755
attribute NC_GLOBAL awards_0_data_url String http://nsf.gov/awardsearch/showAward?AWD_ID=1333755 (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 MuLTI-2 Gonad Index (GI) data
PI: P. Yund
data version: 2017-11-30
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 2016-09-15T19:01:36Z
attribute NC_GLOBAL date_modified String 2020-01-03T19:33:21Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.658752.1
attribute NC_GLOBAL Easternmost_Easting double -66.986325
attribute NC_GLOBAL geospatial_lat_max double 44.825311
attribute NC_GLOBAL geospatial_lat_min double 44.45134
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -66.986325
attribute NC_GLOBAL geospatial_lon_min double -68.344405
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/658752 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, code, data, dataset, date, dmo, erddap, event, gonad, Gonad_Weight, latitude, length, longitude, management, oceanography, office, preliminary, sample, Sample_Date, sampling, Sampling_Event, shell, Shell_Length, somatic, Somatic_Weight, station, Station_Code, weight, year
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/658752/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/658752 (external link)
attribute NC_GLOBAL Northernmost_Northing double 44.825311
attribute NC_GLOBAL param_mapping String {'658752': {'Latitude': 'master - latitude', 'Longitude': 'master - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/658752/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 Downeast Institute for Applied Marine Research and Education
attribute NC_GLOBAL people_1_affiliation_acronym String DEI
attribute NC_GLOBAL people_1_person_name String Dr Philip O. Yund
attribute NC_GLOBAL people_1_person_nid String 51154
attribute NC_GLOBAL people_1_role String Contact
attribute NC_GLOBAL people_1_role_type String related
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 Amber York
attribute NC_GLOBAL people_2_person_nid String 643627
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 MuLTI-2
attribute NC_GLOBAL projects_0_acronym String MuLTI-2
attribute NC_GLOBAL projects_0_description String Acronym "MuLTI-2" (Mussel Larval Transport Initiative-2)
Extracted from the NSF award abstract:
Existing larval transport models focus mainly on along-shelf transport and have done little to explicitly incorporate the effects of cross-shelf mixing and transport processes. Yet cross-shelf transits (both outgoing and incoming legs) are critical components of the dispersal paths of coastal invertebrates. This project will explore the role of cross-shelf mixing in the connectivity of blue mussel populations in eastern Maine. Previous work has shown that the Eastern Maine Coastal Current (EMCC) begins to diverge from shore southwest of the Grand Manan Channel and creates a gradient in cross-shelf mixing and larval transport, with cross-shelf mixing being more common on the northeastern end, episodic in the transitional middle area, and then becoming rare in the southwestern half of the region of the Gulf of Maine. As a result, the investigators predict that northeastern populations of mussels are seeded mostly from up-stream sources, while a significant component of self-seeding (local retention) exists in southwestern populations. Larvae settling in the intervening bays are expected to be derived from a mixture of local and up-stream sources. Using a combined empirical and theoretical approach hydrographic, current profile, and larval vertical migration data will be collected and used to develop and validate a high-resolution coastal circulation model coupled to a model of larval behavior. The investigators will model simulations in different years using the empirical data from mussel reproductive output and spawning times. Connectivity predicted from this model will be then tested against independent empirical estimates of connectivity based on trace element fingerprinting for larvae which can be connected to specific natal habitats. Regions of agreement and discrepancy in the model will be identified to guide additional data collection and model refinement. This iterative process will ensure an understanding of both larval transport patterns and processes, and provide estimates of inter-annual variability in connectivity for blue mussel populations in the Gulf of Maine.
attribute NC_GLOBAL projects_0_end_date String 2017-08
attribute NC_GLOBAL projects_0_geolocation String Gulf of Maine: Frenchmen Bay (44 28.239 N -68 15.927 W) to Machais Bay (44 39.350 N -67 21.320 W)
attribute NC_GLOBAL projects_0_name String An integrated theoretical and empirical approach to across-shelf mixing and connectivity of mussel populations
attribute NC_GLOBAL projects_0_project_nid String 527082
attribute NC_GLOBAL projects_0_start_date String 2013-09
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 Southernmost_Northing double 44.45134
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Blue mussel (Mytilus edulis) gonad index data from mussel collections in coastal eastern Maine between 2014 and 2016.
attribute NC_GLOBAL title String Blue mussel (Mytilus edulis) gonad index data from mussel collections in coastal eastern Maine between 2014 and 2016 (MuLTI-2 project)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -68.344405
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Station_Code   String  
attribute Station_Code bcodmo_name String station
attribute Station_Code description String Station code
attribute Station_Code long_name String Station Code
attribute Station_Code units String unitless
variable Year   short  
attribute Year _FillValue short 32767
attribute Year actual_range short 2014, 2016
attribute Year bcodmo_name String year
attribute Year description String Year of sample
attribute Year long_name String Year
attribute Year nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/ (external link)
attribute Year units String unitless
variable Sampling_Event   String  
attribute Sampling_Event bcodmo_name String event
attribute Sampling_Event description String Identifier of sampling event
attribute Sampling_Event long_name String Sampling Event
attribute Sampling_Event nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/ (external link)
attribute Sampling_Event units String unitless
variable Sample_Date   String  
attribute Sample_Date bcodmo_name String date
attribute Sample_Date description String Date sample was taken
attribute Sample_Date long_name String Sample Date
attribute Sample_Date nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute Sample_Date units String unitless
variable Shell_Length   float  
attribute Shell_Length _FillValue float NaN
attribute Shell_Length actual_range float 35.0, 91.8
attribute Shell_Length bcodmo_name String length
attribute Shell_Length description String Shell length measurement (0.1 mm resolution)
attribute Shell_Length long_name String Shell Length
attribute Shell_Length units String millimeters (mm)
variable Gonad_Weight   float  
attribute Gonad_Weight _FillValue float NaN
attribute Gonad_Weight actual_range float 0.01, 6.9
attribute Gonad_Weight bcodmo_name String weight
attribute Gonad_Weight description String Gonad soft tissue weight
attribute Gonad_Weight long_name String Gonad Weight
attribute Gonad_Weight units String grams
variable Somatic_Weight   float  
attribute Somatic_Weight _FillValue float NaN
attribute Somatic_Weight actual_range float 0.26, 15.94
attribute Somatic_Weight bcodmo_name String weight
attribute Somatic_Weight description String Somatic soft tissue weight
attribute Somatic_Weight long_name String Somatic Weight
attribute Somatic_Weight units String grams
variable GI   double  
attribute GI _FillValue double NaN
attribute GI actual_range double 0.00749064, 0.67647059
attribute GI bcodmo_name String unknown
attribute GI description String Gonad index; Proportion of soft tissue weight attributable to gonad soft tissue: GI = gonad_weight/(somatic_weight + gonad_weight)
attribute GI long_name String GI
attribute GI units String dimensionless
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 44.45134, 44.825311
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 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 -68.344405, -66.986325
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 Longitude; west is negative
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

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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