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                            <gco:CharacterString>Greenbelt</gco:CharacterString>
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                            <gmd:URL>https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords</gmd:URL>
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                            <gco:CharacterString>Global Change Master Directory (GCMD) Keywords</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>DNA</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>Fungi</gco:CharacterString>
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          <gmd:keyword>
            <gco:CharacterString>Sequencing</gco:CharacterString>
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            <gco:CharacterString>Soil</gco:CharacterString>
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            <gco:CharacterString>Signy Island, Leonie Island and Bird Island Antarctica</gco:CharacterString>
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            <gmd:MD_KeywordTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="place">place</gmd:MD_KeywordTypeCode>
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        <gmd:MD_Keywords>
          <gmd:keyword>
            <gmx:Anchor xlink:href="https://inspire.ec.europa.eu/theme/mf" xlink:actuate="onRequest">Meteorological geographical features</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://inspire.ec.europa.eu/theme/lc" xlink:actuate="onRequest">Land cover</gmx:Anchor>
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            <gmx:Anchor xlink:href="https://inspire.ec.europa.eu/theme/hb" xlink:actuate="onRequest">Habitats and biotopes</gmx:Anchor>
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              <gmd:title>
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                    <gco:Date>2021-01-06</gco:Date>
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        <gmd:MD_LegalConstraints>
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                <gmx:Anchor xlink:href="https://ror.org/01rhff309" xlink:actuate="onRequest" xlink:title="ror">NERC EDS UK Polar Data Centre</gmx:Anchor>
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