@prefix envthes: . @prefix skos: . @prefix owl: . @prefix dc: . @prefix xsd: . envthes:39 skos:prefLabel "soil horizon"@en ; a skos:Concept ; skos:narrower envthes:40 . envthes: skos:prefLabel "EnvThes"@en ; a owl:Ontology, skos:ConceptScheme . envthes:40 skos:inScheme envthes: ; skos:definition "[Agren & Andersson 2012] Accumulation of litter and particular decomposed plant parts on top of the mineral soil. Often sub-divided into litter (S, L and F) and humus (H) horizons. This horizon consists mostly of organic matter. In forest soils, this horizon is often called forest floor"@en ; skos:altLabel "organic layer"@en, "O layer"@en ; skos:broader envthes:39 ; a skos:Concept ; dc:creator "0000-0003-0631-8231"@en ; dc:created "2013-02-21"^^xsd:date ; dc:contributor "0000-0003-0631-8231"@en ; dc:modified "2018-06-18"^^xsd:date ; skos:note "[controlled by ] Staszewski 08.06.2013"@en ; skos:prefLabel "O horizon"@en .