@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/population_density>
  skos:definition "Population density is an arithmetic average expressing the number of people, animals, or plants per unit of area for a given spatial unit. For example, Denmark has an average of 121 persons/km2 (square kilometer), and the island of Manhattan has 27,267 persons/km2. [Source: <a href=\"https://sk.sagepub.com/reference/geography/n907.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Geography; Population Density</a>]"@en ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/underpopulation>, <https://concepts.sagepub.com/social-science/concept/overpopulation> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D011156.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/demography> ;
  skos:prefLabel "population density"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/population_density> .

<https://concepts.sagepub.com/social-science/concept/underpopulation>
  skos:prefLabel "underpopulation"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/population_density> .

<https://concepts.sagepub.com/social-science/concept/demography>
  skos:prefLabel "demography"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/population_density> .

<https://concepts.sagepub.com/social-science/concept/overpopulation>
  skos:prefLabel "overpopulation"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/population_density> .