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Dataset Title:  Cefas04 - Impacts of chronic trawling disturbance on nematode communities Subscribe RSS
Institution:  CEFAS, MBA   (Dataset ID: manuela_c4)
Range: longitude = 1.833 to 2.6°E, latitude = 54.03 to 54.1°N, time = 2000-11-01T01:00:00Z to 2001-04-01T01:00:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

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 2000.0, 2001.0;
    String long_name "YearCollected";
    String units "None";
    String units_uri "None";
  }
  MonthCollected {
    Float32 actual_range 4.0, 11.0;
    String long_name "MonthCollected";
    String units "None";
    String units_uri "None";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.730404e+8, 9.860868e+8;
    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";
  }
  MinimumDepth {
    Float32 actual_range 60.22, 74.75;
    String long_name "MinimumDepth";
    String units "None";
    String units_uri "None";
  }
  MaximumDepth {
    Float32 actual_range 60.22, 74.75;
    String long_name "MaximumDepth";
    String units "None";
    String units_uri "None";
  }
  ObservedIndividualCount {
    Float32 actual_range 1.0, 88.0;
    String long_name "ObservedIndividualCount";
    String units "http://rs.tdwg.org/dwc/terms/individualCount";
    String units_uri "http://rs.tdwg.org/dwc/terms/individualCount";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 1.833, 2.6;
    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 54.03, 54.1;
    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 {
    Float32 actual_range 1.0, 2592.0;
    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 "21";
    String AccConstrDescription "This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.";
    String AccConstrDisplay "This dataset is licensed under a Creative Commons Attribution 4.0 International License.";
    String AccConstrEN "Attribution (CC BY)";
    String AccessConstraint "Attribution (CC BY)";
    String AccessConstraints "None";
    String Acronym "None";
    String added_date "2009-03-10 11:05:14.303000";
    String BrackishFlag "0";
    String CDate "2005-12-21";
    String cdm_data_type "Other";
    String CheckedFlag "1";
    String Citation "Schratzberger, M. (2000). Impacts of chronic trawling disturbance on nematode communities. Centre for Environment, Fisheries and Aquaculture Science (CEFAS), UK.";
    String Comments "Nematode species abundance data are listed as counts per sample. Other data available data include total harpacticoid copepod counts per sample and sediment granulometry.";
    String ContactEmail "None";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Schratzberger";
    String CurrencyDate "None";
    String DasID "661";
    String DasOrigin "Research";
    String DasType "Data";
    String DasTypeID "1";
    String DateLastModified "{'date': '2025-02-13 01:37:29.538097', 'timezone_type': 1, 'timezone': '+01:00'}";
    String DescrCompFlag "1";
    String DescrTransFlag "0";
    Float64 Easternmost_Easting 2.6;
    String EmbargoDate "None";
    String EngAbstract "An impact study was conducted on fishing grounds in the Silver Pit (central North Sea).";
    String EngDescr "The aim of the data collection was to assess the response of meiofaunal nematode communities to chronic trawling disturbance.";
    String FreshFlag "0";
    Float64 geospatial_lat_max 54.1;
    Float64 geospatial_lat_min 54.03;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 2.6;
    Float64 geospatial_lon_min 1.833;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-03-09T23:33:24Z (local files)
2025-03-09T23:33:24Z http://erddap.eurobis.org/tabledap/manuela_c4.das";
    String infoUrl "None";
    String InputNotes 
"data are under Open Government License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/2/, which corresponds to CC-BY.
Email with this info received from Michaela Schratzberger on May 3, 2016";
    String institution "CEFAS, MBA";
    String keywords "aphia_id, BasisOfRecord, InstitutionCode, latitude, longitude, MaximumDepth, MinimumDepth, MonthCollected, ObservedIndividualCount, ScientificName, time, YearCollected";
    String License "https://creativecommons.org/licenses/by/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 54.1;
    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 "None";
    String OrigTitleLangCode "None";
    String OrigTitleLangID "None";
    String OrigTitleLangNL "None";
    String Progress "Completed";
    String PublicFlag "1";
    String ReleaseDate "None";
    String ReleaseDate0 "None";
    String RevisionDate "None";
    String SizeReference "None";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 54.03;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String StandardTitle "Cefas04 - Impacts of chronic trawling disturbance on nematode communities";
    String StatusID "1";
    String subsetVariables "ScientificName,BasisOfRecord,YearCollected,MonthCollected,aphia_id";
    String summary "An impact study was conducted on fishing grounds in the Silver Pit (central North Sea).";
    String TerrestrialFlag "0";
    String time_coverage_end "2001-04-01T01:00:00Z";
    String time_coverage_start "2000-11-01T01:00:00Z";
    String title "Cefas04 - Impacts of chronic trawling disturbance on nematode communities";
    String UDate "2016-05-03";
    String VersionDate "Dec 21 2005 12:00AM";
    String VersionDay "21";
    String VersionMonth "12";
    String VersionName "1";
    String VersionYear "2005";
    String VlizCoreFlag "1";
    Float64 Westernmost_Easting 1.833;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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