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Dataset Title:	Rocky shore data from the Giannutri Island Marine Protected Area
Institution:	None (Dataset ID: largenet_pp)
Range:	longitude = 11.09 to 11.11°E, latitude = 42.25 to 42.25°N, time = 1999-06-01T01:00:00Z to 2001-01-01T01:00:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form \| Files

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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 1999.0, 2001.0;
    String long_name "YearCollected";
    String units "None";
    String units_uri "None";
  }
  MonthCollected {
    Float32 actual_range 1.0, 12.0;
    String long_name "MonthCollected";
    String units "None";
    String units_uri "None";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.281988e+8, 9.783108e+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";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 11.09, 11.11;
    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 42.25, 42.25;
    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 5.0, 1360.0;
    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 "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 "only presence data are available through EurOBIS & EMODnet under the given license. For access to additional data, the provider needs to be contacted";
    String Acronym "None";
    String added_date "2010-04-01 15:38:43.113000";
    String BrackishFlag "0";
    String CDate "2007-06-21";
    String cdm_data_type "Other";
    String CheckedFlag "1";
    String Citation "Benedetti-Cecchi L. (2001). Rocky shore data from the Giannutri island MPA. Dipartimento di Biologia, Università di Pisa, Italy.";
    String Comments "None";
    String ContactEmail "None";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Benedetti-Cecchi, Bertocci";
    String CurrencyDate "None";
    String DasID "1291";
    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 "1";
    String DescrTransFlag "0";
    Float64 Easternmost_Easting 11.11;
    String EmbargoDate "None";
    String EngAbstract "These data were part of a study investigating the general statement that Marine Protected Area’s (MPA’s) have an effect on the population and assemblages of benthic organisms in the intertidal zone of rocky shores. The effects were evaluated over a variety of spatial scales";
    String EngDescr 
"Data are from rocky shore visual estimates at highshore and midshore intertidal level
Sampling location: Giannutri island Marine Protected Area, NW Mediterranean, Tuscany Archipelago, 42°15'.00N, 11°06'.26E
Sampling was repeated in each of 3 Protected and Unprotected Shores (stretches of shore about 30m long, hundreds of m apart) 
2 Sites (Stretches of shore 3-5 m long, tens of m apart) were sampled in each Shore
5 Replicates (visual counts on 20x20 cm quadrates) were sampled in each Site";
    String FreshFlag "0";
    Float64 geospatial_lat_max 42.25;
    Float64 geospatial_lat_min 42.25;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 11.11;
    Float64 geospatial_lon_min 11.09;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-03-09T23:00:13Z (local files)
2025-03-09T23:00:13Z http://erddap.eurobis.org/tabledap/largenet_pp.das";
    String infoUrl "None";
    String InputNotes 
"HARD

constraints changed from restricted to cc by nc => in correspondence with the eurobis data policy. Note added to say this is only for the presence data";
    String institution "None";
    String keywords "aphia_id, BasisOfRecord, InstitutionCode, latitude, longitude, MonthCollected, ScientificName, time, 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 "2021-02-06 00:00:00";
    Float64 Northernmost_Northing 42.25;
    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 42.25;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String StandardTitle "Rocky shore data from the Giannutri Island Marine Protected Area";
    String StatusID "1";
    String subsetVariables "ScientificName,BasisOfRecord,YearCollected,MonthCollected,aphia_id";
    String summary "These data were part of a study investigating the general statement that Marine Protected Area’s (MPA’s) have an effect on the population and assemblages of benthic organisms in the intertidal zone of rocky shores. The effects were evaluated over a variety of spatial scales";
    String TerrestrialFlag "0";
    String time_coverage_end "2001-01-01T01:00:00Z";
    String time_coverage_start "1999-06-01T01:00:00Z";
    String title "Rocky shore data from the Giannutri Island Marine Protected Area";
    String UDate "2016-04-27";
    String VersionDate "None";
    String VersionDay "13";
    String VersionMonth "6";
    String VersionName "1";
    String VersionYear "2007";
    String VlizCoreFlag "1";
    Float64 Westernmost_Easting 11.09;
  }
}

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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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