@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007992>
  skos:prefLabel "pollution"@en, "آلودگی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .

<http://www.irandoc.acir/onto/irandoc/NEMA000566>
  skos:prefLabel "خاک‌های قلیایی"@fa, "alkaline soils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .

<http://www.irandoc.acir/onto/irandoc/NEMA000564>
  skos:prefLabel "خاک‌های شور"@fa, "saline soils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007985>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007606>, <http://www.irandoc.acir/onto/irandoc/NEMA000564>, <http://www.irandoc.acir/onto/irandoc/NEMA000556>, <http://www.irandoc.acir/onto/irandoc/NEMA0005314>, <http://www.irandoc.acir/onto/irandoc/NEMA000872>, <http://www.irandoc.acir/onto/irandoc/NEMA000566> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "soil pollution"@en, "آلودگی خاک"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0007992> .

<http://www.irandoc.acir/onto/irandoc/NEMA000556>
  skos:prefLabel "خاک‌های اسیدی"@fa, "acid soils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007606>
  skos:prefLabel "حفاظت خاک"@fa, "soil conservation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .

<http://www.irandoc.acir/onto/irandoc/NEMA0005314>
  skos:prefLabel "آفت‌کش‌ها"@fa, "pesticides"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .

<http://www.irandoc.acir/onto/irandoc/NEMA000872>
  skos:prefLabel "آلودگی مواد غذایی"@fa, "food contamination"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007985> .