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Conservation Genetics

, Volume 15, Issue 6, pp 1479–1489 | Cite as

Genetic structure of the black rhinoceros (Diceros bicornis) in south-eastern Africa

  • Antoinette Kotzé
  • Desiré Lee DaltonEmail author
  • Raoul du Toit
  • Natasha Anderson
  • Yoshan Moodley
Research Article

Abstract

Despite an on-going struggle to conserve the endangered black rhinoceros (Diceros bicornis) since the 1980s, huge capital investment and several genetic surveys, the level of genetic structure and connectivity among populations in southern Africa is not well understood. Here, we undertake a major population genetic study of black rhinoceros in the Zimbabwe Lowveld, an area inhabited by over half of that country’s original Zambezi descendants plus one large population sourced from the relict KwaZulu stock of South Africa. Using nuclear microsatellite and mitochondrial DNA data, we found much higher levels of genetic diversity in the indigenous Zimbabwean populations, where observed multilocus heterozygosity was 0.54 versus 0.40 in KwaZulu, and maternal haplotype diversity was 0.77 versus 0.03. We show, for the first time, that both gene pools can be differentiated from each other on the basis of nuclear markers. This, along with the discovery of recent gene flow between all Lowveld populations, suggests that Zimbabwean and South African gene pools were prehistorically connected.

Keywords

Diceros bicornis Black rhino Structure Connectivity Conservation 

Notes

Acknowledgments

We thank the International Rhino Foundation and the US Fish and Wildlife Service for financial support. We thank Steve Smith for comments on an earlier version of the manuscript.

Conflict of interest

The authors of this article have no financial or non-financial competing interests.

Funding

This work was supported by the International Rhino Foundation and the United States Fish and Wildlife Service.

Supplementary material

10592_2014_632_MOESM1_ESM.doc (42 kb)
Supplementary material 1 (DOC 42 kb)

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Antoinette Kotzé
    • 1
    • 2
  • Desiré Lee Dalton
    • 1
    • 2
    Email author
  • Raoul du Toit
    • 3
    • 4
  • Natasha Anderson
    • 3
    • 4
  • Yoshan Moodley
    • 5
  1. 1.Centre for Conservation ScienceNational Zoological Gardens of South AfricaPretoriaSouth Africa
  2. 2.Genetics DepartmentUniversity of the Free StateBloemfonteinSouth Africa
  3. 3.Lowveld Rhino TrustHarareZimbabwe
  4. 4.International Rhino FoundationFort worthUSA
  5. 5.Department of Integrative Biology and Evolution, Konrad Lorenz Institute for EthologyUniversity of Veterinary MedicineViennaAustria

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