@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/> .

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

envthes:20160
  skos:inScheme envthes: ;
  a skos:Concept ;
  skos:altLabel "breeding birds surveys"@en, "BBS"@en ;
  skos:scopeNote "MS Academic Keywords"@en ;
  skos:definition "[WAYNE C. WEBER] The Breeding Bird Survey (hereafter BBS) is a standardized technique designed to measureyear-to-year changes in numbers of breeding birds (Robbins and Van Velzen 1967, 1969"@en ;
  skos:broader envthes:20118 ;
  skos:prefLabel "breeding bird survey"@en ;
  dc:creator <https://orcid.org/0000-0003-2195-3997> .

envthes:20118
  skos:prefLabel "survey"@en ;
  a skos:Concept ;
  skos:narrower envthes:20160 .