Tapanuli orangutan endangered by Sumatran hydropower scheme

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Fig. 1: The Tapanuli orangutan and the hydrodam that imperils it in Sumatra, Indonesia.

Maxime Aliaga (orangutan image); maps created using ArcMap by ESRI (www.esri.com); map images from Planetscope / US Geological Survey Global Visualization Viewer (https://glovis.usgs.gov/).


  1. 1.

    Wich, S. A., Fredriksson, G., Usher, G., Kühl, H. S. & Nowak, M. G. Conserv. Sci. Pract. 1, e33 (2019).

    Article  Google Scholar 

  2. 2.

    Rochmyaningsih, D. Science 365, 1064–1065 (2019).

    CAS  Article  Google Scholar 

  3. 3.

    Jong, H. N. Scientists call for independent review of dam project in orangutan habitat. Mongabay (24 March 2020); https://go.nature.com/3e8zcaU

  4. 4.

    Indonesian Firm using “Deplorable” Tactics to Push Orangutan-Killer Project (Alliance of Leading Environmental Researchers & Thinkers, 2018); https://go.nature.com/2W2JzXt

  5. 5.

    Batang Toru Hydropower Project. Factcheck and References on Key Issues (IUCN SGA/ARRC, 2020); https://go.nature.com/2BT4up9

  6. 6.

    Santosa, Y. et al. Impact of Batang Toru Hydropower Construction on Primary Forest, Orangutan Population and Habitat, Drought and Flood, Greenhouse Gases Emission and Socio-Economic Surroundings (The Center of Study, Advocacy and Nature Conservation, 2018).

  7. 7.

    New photos show Tapanuli orangutans on the move. Foresthints (26 September 2018); https://go.nature.com/3iJ2BMl

  8. 8.

    Rochmyaningsih, D. A dam threatens the world’s rarest ape. Why are some conservationists suddenly on board? Science (10 September 2019); https://go.nature.com/3gIcRm6

  9. 9.

    Purba, J. Ian Singleton: Dampak PLTA Batangtoru Terhadap Kelangsungan Hidup Orangutan Tapanuli Dapat Direstorasi. RMOL Sumut (19 February 2020); https://go.nature.com/2O6s1W8

  10. 10.

    Aktivis Asing “Menggoyang” Indonesia. Kompasiana (24 September 2019); https://go.nature.com/2O8siYF

  11. 11.

    Finer, M. & Jenkins, C. N. PLoS ONE 7, e35126 (2012).

    CAS  Article  Google Scholar 

  12. 12.

    Watts, J. Chinese dam project in Guinea could kill up to 1,500 chimpanzees. The Guardian (28 February 2019); https://go.nature.com/3205jHp

  13. 13.

    Kormos, R. et al. PLoS ONE 9, e111671 (2014).

    Article  Google Scholar 

  14. 14.

    IUCN calls for a moratorium on projects impacting the Critically Endangered Tapanuli orangutan. IUCN (16 April 2019); https://go.nature.com/3224VIy

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Correspondence to William F. Laurance or Erik Meijaard.

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Laurance, W.F., Wich, S.A., Onrizal, O. et al. Tapanuli orangutan endangered by Sumatran hydropower scheme. Nat Ecol Evol (2020). https://doi.org/10.1038/s41559-020-1263-x

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