@prefix dc: . @prefix rdfs: . @prefix cast: . @prefix skos: . @prefix xsd: . dc:contributor rdfs:label "Contributor" . cast:13 skos:prefLabel "dissolved ammonium"@en ; a skos:Concept ; skos:broader cast:110 . cast:193 skos:prefLabel "total oxidised nitrogen"@en ; a skos:Concept ; skos:broader cast:110 . cast:250 skos:prefLabel "total nitrogen"@en ; a skos:Concept ; skos:narrower cast:110 . dc:modified rdfs:label "Modified" . dc:created rdfs:label "Created" . cast:110 skos:narrower cast:284, cast:193, cast:13 ; dc:created "2010-12-15T14:32:10Z"^^xsd:dateTime ; skos:broader cast:250 ; skos:altLabel "TDN"@en ; dc:creator "dgwr" ; dc:contributor "dgwr" ; skos:prefLabel "total dissolved nitrogen"@en ; skos:definition "Total dissolved nitrogen, including organic and inorganic forms."@en ; a skos:Concept ; dc:modified "2019-05-09T16:00:18.197+00:00"^^xsd:dateTime . cast:284 skos:prefLabel "dissolved organic nitrogen"@en ; a skos:Concept ; skos:broader cast:110 . dc:creator rdfs:label "Creator" .