Essential indicators for measuring area-based conservation effectiveness in the post-2020 global biodiversity framework


Jonas Geldmann., Marine Deguignet, Andrew Balmford, Neil D. Burgess, Nigel Dudley, Marc Hockings, Naomi Kingston, Helen Klimmek, Alanah Hayley Lewis, Carsten Rahbek, Sue Stolton, Claire Vincent, Sue Wells, Stephen Woodley, James E. M. Watson

Publication Year:

Preprints 2020


Geldmann, J.; Deguignet, M.; Balmford, A.; Burgess, N.D.; Dudley, N.; Hockings, M.; Kingston, N.; Klimmek, H.; Lewis, A.H.; Rahbek, C.; Stolton, S.; Vincent, C.; Wells, S.; Woodley, S.; Watson, J.E. Essential Indicators for Measuring Area-Based Conservation Effectiveness in the Post-2020 Global Biodiversity Framework. Preprints 2020, 2020030370 (doi: 10.20944/preprints202003.0370.v1).


Work has begun in earnest to formulate a post-2020 Global Biodiversity Framework which will outline the vision and targets for the next decade of biodiversity conservation and beyond. However, the performance of the 2011-2020 Strategic Plan for Biodiversity suggests that even a meaningful target can fail to deliver if not accompanied by fit-for-purpose indicators. Here we provide a review of how ‘protected area’ effectiveness was addressed in the 2011-2020 plan and based on this, provide recommendations for fit-for-purpose indicators that will measure how such efforts contribute to the conservation of biodiversity. Indicators need to be built on quantitative data from site-level biodiversity monitoring of species and ecosystems combined with measurements of the state of nature in near-time, informed by remote-sensed products and other technologies. Additionally, indicators need to capture whether the essential elements of good management are in place including the identification of ecological values, threats, and objectives, equitable governance, and sufficient management resources and capacity. These fit-for-purpose indicators will require multilateral collaboration to galvanize support for, and resources to develop, the necessary infrastructure to collate and store information from countries.

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