Observatoire des droits humains (anglais seulement)

Wildlife populations have declined 73% since 1970 – but many of the world’s animals still aren’t being counted

(Version anglaise seulement)

par Hannah Sarah Wauchope, Lecturer in Ecology & Conservation, University of Edinburgh
Gary David Powney, Quantitative Ecologist, UK Centre for Ecology & Hydrology
Nick Isaac, Macroecologist, Biodiversity Modelling & Analysis Group, UK Centre for Ecology & Hydrology

The WWF’s Living Planet Index is one of our best measures of biodiversity loss. But the populations it counts may not be representative of wildlife as a whole.

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