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

<http://www.irandoc.acir/onto/irandoc/chmtr000038>
  skos:prefLabel "آلودگی هوا"@fa, "air pollution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/chmtr000043> .

<http://www.irandoc.acir/onto/irandoc/chmtr000244>
  skos:prefLabel "هوا کره"@fa, "atmosphere"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/chmtr000042>
  skos:prefLabel "مرداب‌ها"@fa, "marshes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000043> .

<http://www.irandoc.acir/onto/irandoc/chmtr000040>
  skos:prefLabel "طوفان‌های صحرایی"@fa, "desert storms"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000043> .

<http://www.irandoc.acir/onto/irandoc/chmtr000039>
  skos:prefLabel "باتلاق‌ها"@fa, "swamps"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000043> .

<http://www.irandoc.acir/onto/irandoc/chmtr000043>
  skos:related <http://www.irandoc.acir/onto/irandoc/chmtr000244>, <http://www.irandoc.acir/onto/irandoc/chmtr000037>, <http://www.irandoc.acir/onto/irandoc/chmtr000038> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/chmtr000039>, <http://www.irandoc.acir/onto/irandoc/chmtr000041>, <http://www.irandoc.acir/onto/irandoc/chmtr000042>, <http://www.irandoc.acir/onto/irandoc/chmtr000040> ;
  skos:prefLabel "آلودگی‌های طبیعی"@fa, "natural pollutions"@en ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:scopeNote "در بیشتر موارد، محیط زیست، مواد آلوده‌كننده را رقیق می‌كند و از جایی به جای دیگر انتقال می‌دهد."@fa .

<http://www.irandoc.acir/onto/irandoc/chmtr000037>
  skos:prefLabel "آلودگی آب"@fa, "water pollution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/chmtr000041>
  skos:prefLabel "فوران آتشفشانی"@fa, "volcanic eruption"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/chmtr000043> .