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      </gmd:extent>
      <gmd:extent>
        <gmd:EX_Extent>
          <gmd:temporalElement>
            <gmd:EX_TemporalExtent>
              <gmd:extent>
                <gml:TimePeriod gml:id="931c1983-b1e8-4eee-9cb6-8a3cd8029ebb">
                  <gml:beginPosition>1836-01-01</gml:beginPosition>
                  <gml:endPosition>2013-08-31</gml:endPosition>
                </gml:TimePeriod>
              </gmd:extent>
            </gmd:EX_TemporalExtent>
          </gmd:temporalElement>
        </gmd:EX_Extent>
      </gmd:extent>
      <gmd:distributionFormat>
        <gmd:MD_Format>
          <gmd:name>
            <gmx:Anchor xlink:type="simple" xlink:href="http://vocab.nerc.ac.uk/collection/M01/current/BIN">Binary</gmx:Anchor>
          </gmd:name>
          <gmd:version gco:nilReason="Unkown" />
        </gmd:MD_Format>
        <gmd:MD_Format>
          <gmd:name>
            <gmx:Anchor xlink:type="simple" xlink:href="http://vocab.nerc.ac.uk/collection/M01/current/DEL">Delimited</gmx:Anchor>
          </gmd:name>
          <gmd:version gco:nilReason="Unkown" />
        </gmd:MD_Format>
      </gmd:distributionFormat>
    </gmd:MD_DataIdentification>
  </gmd:identificationInfo>
  <gmd:distributionInfo>
    <gmd:MD_Distribution>
      <gmd:distributionFormat>
        <gmd:MD_Format>
          <gmd:name>
            <gco:CharacterString>Unknown</gco:CharacterString>
          </gmd:name>
          <gmd:version gco:nilReason="inapplicable" />
        </gmd:MD_Format>
      </gmd:distributionFormat>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>https://data.cefas.co.uk/view/20499</gmd:URL>
              </gmd:linkage>
              <gmd:name>
                <gco:CharacterString>Cefas Data Portal</gco:CharacterString>
              </gmd:name>
              <gmd:function>
                <gmd:CI_OnlineFunctionCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnlineFunctionCode>
              </gmd:function>
              <gmd:description>
                <gco:CharacterString>The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: Binary download, CSV.</gco:CharacterString>
              </gmd:description>
            </gmd:CI_OnlineResource>
          </gmd:onLine>
        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
    </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:dataQualityInfo>
    <gmd:DQ_DataQuality>
      <gmd:scope>
        <gmd:DQ_Scope>
          <gmd:level>
            <gmd:MD_ScopeCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_ScopeCode" codeListValue="dataset">dataset</gmd:MD_ScopeCode>
          </gmd:level>
        </gmd:DQ_Scope>
      </gmd:scope>
      <gmd:report>
        <gmd:DQ_DomainConsistency>
          <gmd:result>
            <gmd:DQ_ConformanceResult>
              <gmd:specification>
                <gmd:CI_Citation>
                  <gmd:title>
                    <gco:CharacterString>INSPIRE Data Specification on Species Distribution – Technical Guidelines</gco:CharacterString>
                  </gmd:title>
                  <gmd:date>
                    <gmd:CI_Date>
                      <gmd:date>
                        <gco:Date>2013-12-10</gco:Date>
                      </gmd:date>
                      <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CD_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
                      </gmd:dateType>
                    </gmd:CI_Date>
                  </gmd:date>
                </gmd:CI_Citation>
              </gmd:specification>
              <gmd:pass>
                <gco:Boolean>false</gco:Boolean>
              </gmd:pass>
              <gmd:explanation>
                <gco:CharacterString>See the referenced specification</gco:CharacterString>
              </gmd:explanation>
            </gmd:DQ_ConformanceResult>
          </gmd:result>
        </gmd:DQ_DomainConsistency>
      </gmd:report>
      <gmd:report>
        <gmd:DQ_DomainConsistency>
          <gmd:result>
            <gmd:DQ_ConformanceResult>
              <gmd:specification>
                <gmd:CI_Citation>
                  <gmd:title>
                    <gmx:Anchor xlink:type="simple" xlink:href="http://data.europa.eu/eli/reg/2010/1089">Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services</gmx:Anchor>
                  </gmd:title>
                  <gmd:date>
                    <gmd:CI_Date>
                      <gmd:date>
                        <gco:Date>2010-12-08</gco:Date>
                      </gmd:date>
                      <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CD_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
                      </gmd:dateType>
                    </gmd:CI_Date>
                  </gmd:date>
                </gmd:CI_Citation>
              </gmd:specification>
              <gmd:pass>
                <gco:Boolean>true</gco:Boolean>
              </gmd:pass>
              <gmd:explanation>
                <gco:CharacterString>See the referenced specification</gco:CharacterString>
              </gmd:explanation>
            </gmd:DQ_ConformanceResult>
          </gmd:result>
        </gmd:DQ_DomainConsistency>
      </gmd:report>
      <gmd:lineage>
        <gmd:LI_Lineage>
          <gmd:statement>
            <gco:CharacterString>We use fish stomach contents data from DAPSTOM (
`https://www.cefas.co.uk/data-and-publications/fish-stomach-records/`_) and 
ICES Year of the Stomach (
`https://www.ices.dk/data/data-portals/Documents/StomachData.pdf`_). DAPSTOM 
is an ongoing initiative digitizing fish stomach records. The database 
contains information collected between 1836-2013 on 187 predator species (most 
occurring in northern European groundfish surveys). ICES Year of The Stomach 
Dataset contains records from 35 fish species between 1980-1991 sampled in the 
North Sea. Both datasets have information on predator-prey interactions for 
given sea areas and years. The new trophic interaction dataset presents binary 
information of interactions detected from across the North East Atlantic and 
its marginal seas, from 415,294 fish stomachs.


.. _`https://www.cefas.co.uk/data-and-publications/fish-stomach-records/`:
    https://www.cefas.co.uk/data-and-publications/fish-stomach-records/

.. _`https://www.ices.dk/data/data-portals/documents/stomachdata.pdf`:
    https://www.ices.dk/data/data-portals/Documents/StomachData.pdf</gco:CharacterString>
          </gmd:statement>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
  <gmd:metadataStandardName>
    <gmx:Anchor xlink:type="simple" xlink:href="http://vocab.nerc.ac.uk/collection/M25/current/MEDIN/">MEDIN</gmx:Anchor>
  </gmd:metadataStandardName>
  <gmd:metadataStandardVersion>
    <gco:CharacterString>3.1.1</gco:CharacterString>
  </gmd:metadataStandardVersion>
</gmd:MD_Metadata>