Global shortfalls in documented actions to conserve biodiversity

Rebecca A. Senior (), Ruby Bagwyn, Danyan Leng, Alexander K. Killion, Walter Jetz and David S. Wilcove
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Rebecca A. Senior: Princeton University
Ruby Bagwyn: Williams College
Danyan Leng: Yale University
Alexander K. Killion: Yale University
Walter Jetz: Yale University
David S. Wilcove: Princeton University

Nature, 2024, vol. 630, issue 8016, 387-391

Abstract: Abstract Threatened species are by definition species that are in need of assistance. In the absence of suitable conservation interventions, they are likely to disappear soon1. There is limited understanding of how and where conservation interventions are applied globally, or how well they work2,3. Here, using information from the International Union for Conservation of Nature Red List and other global databases, we find that for species at risk from three of the biggest drivers of biodiversity loss—habitat loss, overexploitation for international trade and invasive species4—many appear to lack the appropriate types of conservation interventions. Indeed, although there has been substantial recent expansion of the protected area network, we still find that 91% of threatened species have insufficient representation of their habitats within protected areas. Conservation interventions are not implemented uniformly across different taxa and regions and, even when present, have infrequently led to substantial improvements in the status of species. For 58% of the world’s threatened terrestrial species, we find conservation interventions to be notably insufficient or absent. We cannot determine whether such species are truly neglected, or whether efforts to recover them are not included in major conservation databases. If they are indeed neglected, the outlook for many of the world’s threatened species is grim without more and better targeted action.

Date: 2024
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DOI: 10.1038/s41586-024-07498-7

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