@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:66040_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Zona hasta donde se limita el crecimiento normal de los árboles; el límite arbóreo superior o del ártico está constituido por temperaturas frías a menudo acompañadas de sequía, y el límite arbóreo inferior o árido se forma por sequía acompañada de temperaturas altas."@es, "A zone where the normal growth of trees is limited; cold temperatures often combined with drought form the upper or arctic treeline, and drought combined with hot temperatures form lower or arid treeline."@en ;
  dc:source "National Vegetation Classification Standard, USGS" .

<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:66040
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2013-08-19"^^xsd:date ;
  skos:altLabel "timberline"@en ;
  skos:broader nalt:7025 ;
  skos:closeMatch <http://id.loc.gov/authorities/subjects/sh85135393> ;
  skos:definition nalt:66040_def ;
  skos:exactMatch <http://id.cabi.org/cabt/119023>, <http://id.agrisemantics.org/gacs/C22644> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "límite arbóreo"@es, "treeline"@en ;
  skos:related nalt:137339 ;
  ns0:marc001 "38184" .

nalt:137339
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "bosques subalpinos"@es, "subalpine forests"@en ;
  skos:related nalt:66040 .

nalt:7025
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:66040 ;
  skos:prefLabel "tipos de vegetación"@es, "vegetation types"@en .