@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

<https://lod.nal.usda.gov/naltv#Topic>
  a owl:Class ;
  rdfs:label "Topic"@en .

nalt:17420
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2016-06-22"^^xsd:date ;
  skos:broader nalt:17421 ;
  skos:exactMatch agrovoc:c_9264, <http://id.agrisemantics.org/gacs/C5319>, <http://id.cabi.org/cabt/18729> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "biological activity in soil"@en, "actividad biológica en el suelo"@es ;
  skos:related nalt:156625, nalt:17422, nalt:17423, nalt:957 ;
  ns0:marc001 "5053" .

nalt:957
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "bioturbación"@es, "bioturbation"@en ;
  skos:related nalt:17420 .

nalt:17423
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "respiración del suelo"@es, "soil respiration"@en ;
  skos:related nalt:17420 .

nalt:17422
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "mineralización"@es, "mineralization"@en ;
  skos:related nalt:17420 .

nalt:156625
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "soil ecosystems"@en, "ecosistemas del suelo"@es ;
  skos:related nalt:17420 .

nalt:17421
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:17420 ;
  skos:prefLabel "biología del suelo"@es, "soil biology"@en .