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            <gco:CharacterString>1973-88 University of Bristol Severn estuary littoral, littoral rock and sediment surveys</gco:CharacterString>
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        <gco:CharacterString>Littoral monitoring and sediments surveys on the Severn Estuary. Monitoring zonation, habitat and invertebrate patterning. Data on species and biotope recorded and entered onto Marine Recorder.  Species data and biotope data mapped as points using MapInfo. Includes 1973 University of Bristol Severn estuary littoral survey, 1973-75 University of Bristol Severn estuary littoral sediment survey and 1975-78 University of Bristol Severn Estuary littoral rock survey, 1985 University of Bristol upper Severn Estuary survey and 1988 University of Bristol River Severn subestuaries survey.</gco:CharacterString>
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            <gmx:Anchor xlink:href="">Geology</gmx:Anchor>
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                <gco:CharacterString>SeaDataNet P021 parameter discovery vocabulary</gco:CharacterString>
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                    <gco:Date>2009-11-16</gco:Date>
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            <gmd:EX_TemporalExtent>
              <gmd:extent>
                <!-- Identifier -->
                <gml:TimePeriod gml:id="medinDBRC002">
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