@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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#> .

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

nalt:69904 skos:definition nalt:69904_def .