@prefix envthes: <http://vocabs.lter-europe.net/EnvThes/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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

envthes:22226
  skos:inScheme envthes: ;
  a skos:Concept ;
  skos:note "[controlled by ] Alessandro Oggioni 23.05.2013 , \"[controlled by ] Alessandro Oggioni 23.05.2013"@en ;
  skos:altLabel "secchi"@en ;
  skos:scopeNote "US LTER controlled vocabulary"@en ;
  skos:exactMatch <https://vocab.lternet.edu/vocab/vocab/?tema=490> ;
  skos:definition "n. is a measure of water trasparency in oceans and lakes. N. is measured by Secchi disk created in 1865 by Pietro Angelo Secchi. Secchi disk is a circular disk mounted on a pole or line, and the depth at which the pattern on the disk is no longer visible is taken as a measure of the transparency of the water."@en ;
  skos:broader envthes:20935 ;
  skos:prefLabel "secchi depth"@en ;
  dc:modified "2019-06-12"^^xsd:date ;
  dc:creator "herbert.schentz@umweltbundesamt.at"@en .

envthes:20935
  skos:prefLabel "variable"@en ;
  a skos:Concept ;
  skos:narrower envthes:22226 .