@prefix envthes: <http://vocabs.lter-europe.net/EnvThes/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix dc: <http://purl.org/dc/terms/> .

envthes:
  skos:prefLabel "EnvThes"@en ;
  a skos:ConceptScheme .

envthes:1
  skos:prefLabel "deprecated concept"@en ;
  a skos:Concept .

envthes:EnvEU_335
  skos:inScheme envthes: ;
  a skos:Concept ;
  skos:note "[source of definition ] http://www.tesionline.com\" , \"[controlled by ] Heikki Hamalainen"@en ;
  skos:altLabel "DON"@en ;
  skos:definition "The difference between Total Dissolved Nitrogen (TDN) and Dissolved Inorganic Nitrogen (DIN), which comprises nitrate-N (NO3-), ammonia-N (NH4+) and nitrite-N (NO2-). DON is not a single compound but a mixture of compounds ranging from simple amino acids to complex humic substances."@en ;
  skos:broader envthes:1 ;
  owl:deprecated true ;
  skos:prefLabel "Dissolved organic nitrogen"@en ;
  dc:creator "herbert.schentz@umweltbundesamt.at"@en .