@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
nalt:69904_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "That portion of the electromagnetic spectrum that is the energy source utilized for photosynthesis and generally coincides with the visible light spectrum (approximately 400-700 nm). PAR is characterized by the greater absorption of the blue light and red light wavelengths by pigments."@en, "Porción del especto electromagnético que es la fuente de energía utilizada en la fotosíntesis y generalmente coincide con el espectro de luz visible (aproximadamente 400-700 nm). La RFA se caracteriza por una mayor absorción por parte de los pigmentos de la longitud de onda de la luz azul y de la luz roja."@es ;
  dc:source "NAL Thesaurus Staff" .

<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:69904
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-05-05"^^xsd:date ;
  dc:modified "2017-12-06"^^xsd:date ;
  skos:altLabel "PAR (photosynthetically active radiation)"@en, "photosynthetic active radiation"@en, "RFA (radiación fotosintéticamente activa)"@es, "radiación fotosintética activa"@es ;
  skos:broader nalt:18228 ;
  skos:definition nalt:69904_def ;
  skos:exactMatch <http://id.cabi.org/cabt/89437>, <http://id.agrisemantics.org/gacs/C14499> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "photosynthetically active radiation"@en, "radiación fotosintéticamente activa"@es ;
  skos:related nalt:17171, nalt:69903, nalt:14059, nalt:47447 ;
  ns0:marc001 "51879" .

nalt:17171
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "pigmentos"@es, "pigments"@en ;
  skos:related nalt:69904 .

nalt:18228
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:69904 ;
  skos:prefLabel "luz"@es, "light"@en .

nalt:69903
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "radiation use efficiency"@en, "eficiencia de uso de la radiación"@es ;
  skos:related nalt:69904 .

nalt:14059
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "fotosíntesis"@es, "photosynthesis"@en ;
  skos:related nalt:69904 .

nalt:47447
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "radiación solar"@es, "solar radiation"@en ;
  skos:related nalt:69904 .