Living Planet Index
Indicator of the state of global biological diversity / From Wikipedia, the free encyclopedia
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For other uses, see Living Planet (disambiguation).
The Living Planet Index (LPI) is an indicator of the state of global biological diversity, based on trends in vertebrate populations of species from around the world. The Zoological Society of London (ZSL) manages the index in cooperation with the World Wide Fund for Nature (WWF).
As of 2022, the index is statistically created from journal studies, online databases and government reports for 31,821 populations of 5,230 species of mammal, bird, reptile, amphibian and fish.[4]