Primates

, Volume 43, Issue 4, pp 315–327 | Cite as

Population subdivision and gene flow among wild orangutans

  • Sreetharan Kanthaswamy
  • David Glenn Smith
Article

Abstract

Genetic variability among populations of orangutans from Borneo and Sumatra was assessed using seven SSR loci. Most SSR loci were highly polymorphic and their allele frequencies exhibited substantial variation across subpopulations. While significant genetic subdivision was observed among the island populations, genetic distance did not increase with geographic distance and sufficient gene flow persists to prevent marked genetic subdivision. Since it is unlikely that the Bornean Orangutans dispersed naturally among locations separated by such formidable geographic barriers, human assistance might already have altered their genetic structure. Our data suggests that there may be at least two subspecific clades of orangutans within Borneo while Central Kalimantan animals may have become more genetically related to animals in Sumatra due to human intervention.

Key Words

Pongo pygmaeus Microsatellite polymorphism Migration Conservation 

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Copyright information

© Japan Monkey Centre 2002

Authors and Affiliations

  • Sreetharan Kanthaswamy
    • 1
  • David Glenn Smith
    • 2
  1. 1.Department of Internal MedicineUniversity of Iowa College of Medicine, Department of Veteran Affairs Medical CenterIowa CityUSA
  2. 2.Department of AnthropologyUniversity of CaliforniaDavisUSA

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