@prefix dc: <http://purl.org/dc/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix cast: <http://onto.nerc.ac.uk/CAST/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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

cast:284
  a skos:Concept ;
  skos:broader cast:110 ;
  skos:prefLabel "dissolved organic nitrogen"@en .

cast:13
  a skos:Concept ;
  skos:broader cast:110 ;
  skos:prefLabel "dissolved ammonium"@en .

cast:193
  a skos:Concept ;
  skos:broader cast:110 ;
  skos:prefLabel "total oxidised nitrogen"@en .

cast:250
  a skos:Concept ;
  skos:narrower cast:110 ;
  skos:prefLabel "total nitrogen"@en .