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Published January 9, 2022 | Version v1
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An ecoregion-based approach to restoring the world's intact large mammal assemblages

Authors/Creators

  • 1. RESOLVE*
  • 2. United Nations Environment Programme
  • 3. German Center for Integrative Biodiversity Research
  • 4. Wildlife Institute of India
  • 5. Florida Institute for Conservation Science
  • 6. Birchdale Ecological*
  • 7. Arizona Center for Nature Conservation/Phoenix Zoo*
  • 8. ProCAT Colombia/Internacional*
  • 9. University of Minnesota
  • 10. World Wildlife Fund, Hong Kong*
  • 11. Oregon State University
  • 12. Aarhus University

Description

Assemblages of large mammal species play a disproportionate role in the structure and composition of natural habitats. Loss of these assemblages destabilizes natural systems, while their recovery can restore ecological integrity. Here we take an ecoregion-based approach to identify landscapes that retain their historically present large mammal assemblages, and map ecoregions where reintroduction of 1–3 species could restore intact assemblages. Intact mammal assemblages occur across more than one-third of the 730 terrestrial ecoregions where large mammals were historically present, and 22% of these ecoregions retain complete assemblages across >20% of the ecoregion area. Twenty species, if reintroduced or allowed to recolonize through improved connectivity, can trigger restoration of complete assemblages over 54% of the terrestrial realm (11,116,000 km2). Each of these species have at least two large, intact habitat areas (>10,000 km2) in a given ecoregion. Timely integration of recovery efforts for large mammals strengthens area-based targets being considered under the Convention on Biological Diversity.

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Additional details

Related works

Is derived from
10.5281/zenodo.5768445 (DOI)
Is source of
10.5281/zenodo.5828466 (DOI)