An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm.

Bioscience

Eric Dinerstein David Olson, Carly Vynne Eric Wikramanayake, Nathan Hahn, Suzanne Palminteri, Lori Price, and Nadia de Souza are conservation biologists at RESOLVE's Biodiversity and Wildlife Solutions Program, in Washington, DC. Anup Joshi is a

Published: June 2017


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Article 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 habitat remains. We propose a Global Deal for Nature-a companion to the Paris Climate Deal-to promote increased habitat protection and restoration, national- and ecoregion-scale conservation strategies, and the empowerment of indigenous peoples to protect their sovereign lands. The goal of such an accord would be to protect half the terrestrial realm by 2050 to halt the extinction crisis while sustaining human livelihoods.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5451287PMC
http://dx.doi.org/10.1093/biosci/bix014DOI Listing

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