@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-ML5ZZMW7-0
  skos:prefLabel "biology and chemistry"@en ;
  a skos:Concept ;
  skos:narrower n9j:-B6CSGSLD-K .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-B6CSGSLD-K .

n9j:-B6CSGSLD-K
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/methane> ;
  skos:definition "Methane (ch4) IS a colorless and odorless gas that is produced naturally and as a result of industrial processes. It is present in natural gas and in firedamp, which is associated with coal mining, as well as in marsh gas, which is a product of the anaerobic decomposition of animal or plant matter. [Source: Encyclopedia of Environment and Society; Methane]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-ML5ZZMW7-0 ;
  skos:prefLabel "methane"@en .

n9j: a skos:ConceptScheme .