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

nalt:31841
  skos:hiddenLabel "dark-light cycles"@en, "light-regime"@en, "skeleton photoperiods"@en, "skeleton photoperiod"@en, "light dark cycle"@en, "light regimes"@en, "light-dark cycles"@en, "photoperiods"@en ;
  skos:prefLabel "photoperiod"@en, "fotoperíodo"@es ;
  skos:altLabel "light regime"@en, "light cycle"@en, "day length"@en, "dark-light cycle"@en, "daylength"@en, "light-dark cycle"@en, "daylight cycle"@en ;
  skos:related nalt:57467, nalt:306800, nalt:47447 ;
  ns0:marc001 "28345" ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:exactMatch <http://id.cabi.org/cabt/89408>, <http://id.agrisemantics.org/gacs/C2121> ;
  a skos:Concept, ns0:Topic ;
  skos:narrower nalt:50035, nalt:31740 ;
  skos:broader nalt:4631 ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2017-08-11"^^xsd:date .

nalt:31740
  skos:prefLabel "escotofase"@es, "scotophase"@en ;
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:31841 .

nalt:306800
  skos:prefLabel "transmisión de luz"@es, "light transmission"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:31841 .

nalt:57467
  skos:prefLabel "fotoperiodismo"@es, "photoperiodism"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:31841 .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

nalt:4631
  skos:prefLabel "factores ambientales"@es, "environmental factors"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:31841 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .

nalt:47447
  skos:prefLabel "radiación solar"@es, "solar radiation"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:31841 .

nalt:50035
  skos:prefLabel "fotofase"@es, "photophase"@en ;
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:31841 .