An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm

@article{Dinerstein2017AnEA,
  title={An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm},
  author={Eric Dinerstein and David P. Olson and Anup R. Joshi and Carly Vynne and Neil D. Burgess and Eric D. Wikramanayake and Nathan R Hahn and Suzanne Palminteri and Prashant Hedao and Reed F Noss and Matt Hansen and Harvey Locke and Erle C. Ellis and Benjamin S Jones and Charles Victor Barber and Randy Hayes and Cyril F. Kormos and Vance G. Martin and Eileen Crist and Wes Sechrest and Lori Price and J. E. M. Baillie and Donald E. Weeden and Kieran F. Suckling and Crystal Davis and Nigel C. Sizer and Rebecca Moore and David Thau and Tanya Birch and Peter V. Potapov and Svetlana Turubanova and Alexandra Tyukavina and Nadia de Souza and Lilian Pintea and Jos{\'e} Carlos Brito and Othman Abd-ar-Rahman Llewellyn and Anthony G. Miller and Annette Patzelt and Shahina A. Ghazanfar and John R. Timberlake and Heinz Kl{\"o}ser and Yara Shennan‐Farp{\'o}n and Roeland Kindt and Jens-Peter Barnekow Lilles{\o} and Paulo Van Breugel and Lars Graudal and Maianna Voge and Khalaf F. Al-Shammari and Muhammad Saleem},
  journal={Bioscience},
  year={2017},
  volume={67},
  pages={534 - 545}
}
Abstract We assess progress toward the protection of 50% of the terrestrial biosphere to address the species-extinction crisis and conserve a global ecological heritage for future generations. Using a map of Earth's 846 terrestrial ecoregions, we show that 98 ecoregions (12%) exceed Half Protected; 313 ecoregions (37%) fall short of Half Protected but have sufficient unaltered habitat remaining to reach the target; and 207 ecoregions (24%) are in peril, where an average of only 4% of natural… 
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