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Dataset Title:  OCEAMM harbor porpoise sightings in the North Sea Subscribe RSS
Institution:  OCEAMM   (Dataset ID: zd_779)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 ScientificName (Not applicable) ?      
   - +  ?
 BasisOfRecord (None) ?      
   - +  ?
 InstitutionCode (None) ?          "OBIS-SEAMAP"    "OBIS-SEAMAP"
 YearCollected (None) ?      
   - +  ?
 MonthCollected (None) ?      
   - +  ?
 DayCollected (None) ?      
   - +  ?
 time (UTC) ?          2009-03-18T14:47:00Z    2011-09-03T13:18:00Z
  < slider >
 TimeOfDay (None) ?          8.586    16.52
 ObservedIndividualCount (http://rs.tdwg.org/dwc/terms/individualCount) ?          1.0    40.0
 Notes (None) ?          "Visual; boat"    "Visual; boat"
 longitude (degrees_east) ?          1.271    2.498
  < slider >
 latitude (degrees_north) ?          50.47    51.3
  < slider >
 aphia_id (Not applicable) ?      
   - +  ?
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  ScientificName {
    String long_name "ScientificName";
    String sdn_P02_name "SeaDataNet biological format biotic parameters";
    String sdn_P02_uri "https://vocab.nerc.ac.uk/collection/P02/current/BPRP/";
    String sdn_P02_urn "SDN:P02::BPRP";
    String sdn_parameter_name "Taxon of biological entity specified elsewhere";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/";
    String sdn_parameter_urn "SDN:P01::SCNAME01";
    String sdn_uom_name "Not applicable";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/XXXX/";
    String sdn_uom_urn "SDN:P06::XXXX";
    String standard_name "scientificname";
    String units "Not applicable";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/SCNAME01/";
  }
  BasisOfRecord {
    String long_name "BasisOfRecord";
    String units "None";
    String units_uri "None";
  }
  InstitutionCode {
    String long_name "InstitutionCode";
    String units "None";
    String units_uri "None";
  }
  YearCollected {
    Float32 actual_range 2009.0, 2011.0;
    String long_name "YearCollected";
    String units "None";
    String units_uri "None";
  }
  MonthCollected {
    Float32 actual_range 3.0, 10.0;
    String long_name "MonthCollected";
    String units "None";
    String units_uri "None";
  }
  DayCollected {
    Float32 actual_range 3.0, 31.0;
    String long_name "DayCollected";
    String units "None";
    String units_uri "None";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.23738762e+9, 1.31505588e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/CJDY1101";
  }
  TimeOfDay {
    Float32 actual_range 8.586, 16.52;
    String long_name "TimeOfDay";
    String units "None";
    String units_uri "None";
  }
  ObservedIndividualCount {
    Float32 actual_range 1.0, 40.0;
    String long_name "ObservedIndividualCount";
    String units "http://rs.tdwg.org/dwc/terms/individualCount";
    String units_uri "http://rs.tdwg.org/dwc/terms/individualCount";
  }
  Notes {
    String long_name "Notes";
    String units "None";
    String units_uri "None";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 1.271, 2.498;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 50.47, 51.3;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01";
  }
  aphia_id {
    String long_name "aphia_id";
    String sdn_P02_name "SeaDataNet biological format biotic parameters";
    String sdn_P02_uri "https://vocab.nerc.ac.uk/collection/P02/current/BPRP/";
    String sdn_P02_urn "SDN:P02::BPRP";
    String sdn_parameter_name "Identifier (LSID) of biological entity specified elsewhere";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/";
    String sdn_parameter_urn "SDN:P01::SNANID01";
    String sdn_uom_name "Not applicable";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/XXXX/";
    String sdn_uom_urn "SDN:P06::XXXX";
    String standard_name "aphia_id";
    String units "Not applicable";
    String units_uri "https://vocab.nerc.ac.uk/collection/P01/current/SNANID01/";
  }
 }
  NC_GLOBAL {
    String AccConID "24";
    String AccConstrDescription "This license lets others remix, tweak, and build upon your work non-commercially, and although their new works must also acknowledge you and be non-commercial, they don’t have to license their derivative works on the same terms";
    String AccConstrDisplay "This dataset is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.";
    String AccConstrEN "Attribution-NonCommercial (CC BY-NC)";
    String AccessConstraint "Attribution-NonCommercial (CC BY-NC)";
    String AccessConstraints "None";
    String Acronym "None";
    String added_date "2012-06-13 15:54:16.190000";
    String BrackishFlag "0";
    String CDate "2012-05-14";
    String cdm_data_type "Other";
    String CheckedFlag "0";
    String Citation "Bouveroux, T., Kot, C. 2011. OCEAMM harbor porpoise sightings in the North Sea. Observatoire pour la Conservation et l'Etude des Animaux et Milieux Marins (OCEAMM).";
    String Comments "None";
    String ContactEmail "None";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Bouveroux";
    String CurrencyDate "None";
    String DasID "3079";
    String DasOrigin "Research: field survey";
    String DasType "Data";
    String DasTypeID "1";
    String DateLastModified "{'date': '2025-02-18 01:34:01.301036', 'timezone_type': 1, 'timezone': '+01:00'}";
    String DescrCompFlag "0";
    String DescrTransFlag "0";
    Float64 Easternmost_Easting 2.498;
    String EmbargoDate "None";
    String EngAbstract "In this study, systematic surveys were conducted to document the distribution of the harbor porpoise observed in the English Channel (North Sea, France).";
    String EngDescr 
"Small cetaceans can use a variety of habitats and are generally wide-ranging. For this reason, extensive sighting surveys to assess their distribution, abundance, and habitat preference are needed. In this study, we conducted systematic surveys to document the distribution of the harbor porpoise observed in the English Channel (North Sea, France). The English Channel is an epicontinental sea. It constitutes a relatively narrow link between the Atlantic Ocean and the North Sea and is influenced by strong tides and freshwater inputs, which create well-mixed waters. The harbor porpoise is placed under Appendix II of the European Union Habitats Directive, and an assessment of his status and distribution in the English Channel, very exposed to human activities, is much needed to identify conservation and management strategies.

Therefore, we conducted surveys following a series of predetermined saw-tooth transect lines to study the distribution of the harbor porpoise (Phocoena phocoena). Boat transects were conducted using a Sealine Stateman 35, equipped with two 230 hp Volvo inboard engines at speed around 10 knots. Surveys were made as many days as possible throughout the season at sea state of Beaufort 3 or less, between March 2009 and September 2011.

For each animal sighting, the species, angle of sighting, the distance from the boat, the group size and composition, the general behavior and the swimming direction were recorded.";
    String FreshFlag "0";
    String GBIF_UUID "37e632a2-dcea-483d-94e1-52fafd26412a";
    Float64 geospatial_lat_max 51.3;
    Float64 geospatial_lat_min 50.47;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 2.498;
    Float64 geospatial_lon_min 1.271;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-03-09T23:03:17Z (local files)
2025-03-09T23:03:17Z http://erddap.eurobis.org/erddap/tabledap/zd_779.html";
    String infoUrl "None";
    String InputNotes "None";
    String institution "OCEAMM";
    String keywords "aphia_id, BasisOfRecord, DayCollected, InstitutionCode, latitude, longitude, MonthCollected, Notes, ObservedIndividualCount, ScientificName, time, TimeOfDay, YearCollected";
    String License "https://creativecommons.org/licenses/by-nc/4.0";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String Lineage "None";
    String MarineFlag "1";
    String modified_sync "2021-02-04 00:00:00";
    Float64 Northernmost_Northing 51.3;
    String OrigAbstract "None";
    String OrigDescr "None";
    String OrigDescrLang "English";
    String OrigDescrLangNL "Engels";
    String OrigLangCode "en";
    String OrigLangCodeExtended "eng";
    String OrigLangID "15";
    String OrigTitle "None";
    String OrigTitleLang "English";
    String OrigTitleLangCode "en";
    String OrigTitleLangID "15";
    String OrigTitleLangNL "Engels";
    String Progress "Completed";
    String PublicFlag "1";
    String ReleaseDate "None";
    String ReleaseDate0 "None";
    String RevisionDate "None";
    String SizeReference "146 sighting records";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 50.47;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String StandardTitle "OCEAMM harbor porpoise sightings in the North Sea";
    String StatusID "1";
    String subsetVariables "ScientificName,BasisOfRecord,YearCollected,MonthCollected,DayCollected,aphia_id";
    String summary "In this study, systematic surveys were conducted to document the distribution of the harbor porpoise observed in the English Channel (North Sea, France).";
    String TerrestrialFlag "0";
    String time_coverage_end "2011-09-03T13:18:00Z";
    String time_coverage_start "2009-03-18T14:47:00Z";
    String title "OCEAMM harbor porpoise sightings in the North Sea";
    String UDate "2012-06-12";
    String VersionDate "None";
    String VersionDay "14";
    String VersionMonth "5";
    String VersionName "1";
    String VersionYear "2012";
    String VlizCoreFlag "1";
    Float64 Westernmost_Easting 1.271;
  }
}

 

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