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La donnée est présentée ici dans sa version conforme INSPIRE.

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            <gmd:keyword>
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            <gmd:keyword>
              <gco:CharacterString>azote</gco:CharacterString>
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              <gco:CharacterString>agriculture</gco:CharacterString>
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              <gmx:Anchor xlink:href="http://inspire.ec.europa.eu/metadata-codelist/PriorityDataset/NitratesVulnerableZones-dir-1991-676">Nitrates vulnerable zones (Nitrates Directive)</gmx:Anchor>
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            <gmd:keyword>
              <gmx:Anchor xlink:href="http://inspire.ec.europa.eu/metadata-codelist/PriorityDataset/dir-1991-676">Directive 91/676/EEC</gmx:Anchor>
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                      <gco:Date>2018-04-04</gco:Date>
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          <gmd:MD_Keywords>
            <gmd:keyword>
              <gmx:Anchor xlink:href="http://inspire.ec.europa.eu/metadata-codelist/SpatialScope/regional">Régional</gmx:Anchor>
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            <gmd:type>
              <gmd:MD_KeywordTypeCode codeList="http://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#MD_KeywordTypeCode" codeListValue="theme" />
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                  <gmx:Anchor xlink:href="http://inspire.ec.europa.eu/metadata-codelist/SpatialScope">Champ géographique</gmx:Anchor>
                </gmd:title>
                <gmd:date>
                  <gmd:CI_Date>
                    <gmd:date>
                      <gco:Date>2019-05-22</gco:Date>
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              <gmx:Anchor xlink:href="http://data.europa.eu/bna/c_dd313021">Observation de la terre et environnement</gmx:Anchor>
            </gmd:keyword>
            <gmd:keyword>
              <gmx:Anchor xlink:href="http://data.europa.eu/bna/c_af646f5b">Zones de gestion, de restriction ou de réglementation et unités de déclaration</gmx:Anchor>
            </gmd:keyword>
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              <gmd:MD_KeywordTypeCode codeList="http://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#MD_KeywordTypeCode" codeListValue="theme" />
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              <gmd:CI_Citation>
                <gmd:title>
                  <gmx:Anchor xlink:href="http://data.europa.eu/bna/asd487ae75">High-value dataset categories</gmx:Anchor>
                </gmd:title>
                <gmd:date>
                  <gmd:CI_Date>
                    <gmd:date>
                      <gco:Date>2024-12-11</gco:Date>
                    </gmd:date>
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                      <gmd:CI_DateTypeCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
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              <gmx:Anchor xlink:href="http://data.europa.eu/eli/reg_impl/2023/138/oj">2023/138 - High Value Datasets Regulation</gmx:Anchor>
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            <gmd:keyword>
              <gmx:Anchor xlink:href="http://data.europa.eu/eli/dir/2007/2/oj">2007/2/EC - INSPIRE Directive</gmx:Anchor>
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                  <gmx:Anchor xlink:href="http://data.europa.eu/r5r/applicableLegislation">Applicable legislations</gmx:Anchor>
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                    <gmd:date>
                      <gco:Date>2025-07-16</gco:Date>
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              <gmx:Anchor xlink:href="http://publications.europa.eu/resource/authority/data-theme/ENVI">Environnement</gmx:Anchor>
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              <gmd:MD_KeywordTypeCode codeList="http://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#MD_KeywordTypeCode" codeListValue="theme" />
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                  <gmx:Anchor xlink:href="http://publications.europa.eu/resource/authority/data-theme">Themes de données européens DCAT-AP</gmx:Anchor>
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                    <gmd:date>
                      <gco:Date>2024-10-10</gco:Date>
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            <gmd:otherConstraints>
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L'utilisation des webservices est à privilégier pour disposer à tout moment de la version la plus à jour. Cette donnée est disponible sous les termes de la licence ouverte CC BY 4.0. Les réutilisations sont autorisées moyennant citation de la source et mention explicite des modifications apportées à la donnée.</gco:CharacterString>
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              <gmd:CI_OnlineResource>
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                  <gmd:URL>http://environnement.wallonie.be/de/eso/atlas/#3.2</gmd:URL>
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                  <gco:CharacterString>Le nitrate dans les eaux potabilisables</gco:CharacterString>
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              <gmd:CI_OnlineResource>
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                  <gmd:URL>https://geoservices.wallonie.be/geoserver/inspire_am/ogc/features/v1/openapi</gmd:URL>
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                  <gco:CharacterString>OGC API - Features</gco:CharacterString>
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                  <gmd:URL>https://geodata.wallonie.be/dataset/571a70c1-6c14-4eae-8405-ddcf0af5b46f</gmd:URL>
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          </gmd:MD_DigitalTransferOptions>
        </gmd:transferOptions>
        <gmd:transferOptions>
          <gmd:MD_DigitalTransferOptions>
            <gmd:transferSize>
              <gco:Real>0.6406536102294922</gco:Real>
            </gmd:transferSize>
          </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 codeListValue="dataset" codeList="http://standards.iso.org/iso/19115/resources/Codelists/cat/codelists.xml#MD_ScopeCode" />
            </gmd:level>
          </gmd:DQ_Scope>
        </gmd:scope>
        <gmd:report>
          <gmd:DQ_DomainConsistency>
            <gmd:result>
              <gmd:DQ_ConformanceResult>
                <gmd:specification xlink:href="http://inspire.ec.europa.eu/id/citation/ir/reg-1089-2010">
                  <gmd:CI_Citation>
                    <gmd:title>
                      <gmx:Anchor xlink:href="http://data.europa.eu/eli/reg/2010/1089">RÈGLEMENT (UE) N o 1089/2010 DE LA COMMISSION du 23 novembre 2010 portant modalités d'application de la directive 2007/2/CE du Parlement européen et du Conseil en ce qui concerne l'interopérabilité des séries et des services de données géographiques</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/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
                        </gmd:dateType>
                      </gmd:CI_Date>
                    </gmd:date>
                  </gmd:CI_Citation>
                </gmd:specification>
                <gmd:explanation>
                  <gco:CharacterString>Voir la spécification référencée</gco:CharacterString>
                </gmd:explanation>
                <gmd:pass>
                  <gco:Boolean>true</gco:Boolean>
                </gmd:pass>
              </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>
                      <gco:CharacterString>INSPIRE Data Specification on Area management/restriction/regulation zones and reporting units – 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/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
                        </gmd:dateType>
                      </gmd:CI_Date>
                    </gmd:date>
                  </gmd:CI_Citation>
                </gmd:specification>
                <gmd:explanation>
                  <gco:CharacterString>Voir la spécification référencée</gco:CharacterString>
                </gmd:explanation>
                <gmd:pass>
                  <gco:Boolean>true</gco:Boolean>
                </gmd:pass>
              </gmd:DQ_ConformanceResult>
            </gmd:result>
          </gmd:DQ_DomainConsistency>
        </gmd:report>
        <gmd:lineage>
          <gmd:LI_Lineage>
            <gmd:statement>
              <gco:CharacterString>La donnée est créée dans le cadre de la directive européenne Nitrates 91/676/CE.
Pour des questions de compréhension par les exploitants agricoles, les limites sont plus souvent constitués d'éléments physiques (cours d'eau, routes,...) qui ne cadrent pas nécessairement parfaitement à la vulnérabilité géologique ou constatée. Les données de base sont le réseau hydrographique (RES_HYDRO) du SPW et le réseau routier de NAVTEQ.
En dehors des limites internes ce sont les limites de la Région qui font référence.</gco:CharacterString>
            </gmd:statement>
            <gmd:source uuidref="c75b182d-9d14-4fde-b94f-0e8b8e0afa79" xlink:title="Zones vulnérables aux nitrates" xlink:href="https://metawal.wallonie.be/geonetwork/srv/api/records/c75b182d-9d14-4fde-b94f-0e8b8e0afa79/formatters/iso19139?output=xml" />
          </gmd:LI_Lineage>
        </gmd:lineage>
      </gmd:DQ_DataQuality>
    </gmd:dataQualityInfo>
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