@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:21511
  skos:inScheme envthes: ;
  a skos:Concept ;
  skos:note "[controlled by ] S Stoll 2013-06-20\" , \"[source of definition ] http://en.wikipedia.org/wiki/Strahler_number"@en ;
  skos:scopeNote "US LTER controlled vocabulary"@en ;
  skos:exactMatch <https://vocab.lternet.edu/vocab/vocab/?tema=560>, <http://linkeddata.ge.imati.cnr.it:2020/resource/EARTh/66270>, <http://en.wikipedia.org/wiki/stream_order> ;
  skos:definition "Hierarchical classification of perennial and recurring streams, originally developed by Robert E. Horton and Arthur Newell Strahler. Stream order numbers, also called Strahler stream order, are used to define stream size based on a hierarchy of tributaries. Alternative stream ordering systems have been developed by Shreve and Hodgkinson."@en ;
  skos:broader envthes:20935 ;
  skos:prefLabel "stream order"@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:21511 .