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The World Wildlife Fund’s Living Planet Report 2022 found that wildlife populations declined by an average 69% since 1970. [1] [2] [3]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 average size of global wildlife populations have declined by 73% in 50 years, a new study by the World Wildlife Fund has found. ... mammals and reptiles between 1970 and 2020. Its findings ...
There is some debate over the severity of declining trends in the global mammal and the broader vertebrate population: while the Living Planet Report of the World Wide Fund for Nature reported a 68% decline in the aggregate wild vertebrate populations since 1970, [39] [40] [4] a scientific reanalysis of its data in Nature found that 98.6% of ...
"Data source: World Wildlife Fund (WWF) and Zoological Society of London" Source for Version 1 states: "The Living Planet Index (LPI) measures the average decline in monitored wildlife populations. The index value measures the change in abundance in 31,821 populations across 5,230 species relative to the year 1970 (i.e. 1970 = 100%)."
The 2024 Living Planet Report details "a catastrophic 73% decline in the average wildlife populations over just 50 years." ... the number of winter-run Chinook salmon dropped 88% since 1970. The ...
In just the last 10-25 years, there was a 40% decline in population, from 4.8 million to the current 2.9 million. ... They were added in December of 2022 by the United States Fish and Wildlife ...
The 2018 report found a "decline of 60% in population sizes" of vertebrate species overall from 1970 to 2014. The tropics of South and Central America had an 89% loss compared to 1970. [ 2 ] These claims have been criticized by some studies such as the research group led by Brian Leung and including Maria Dornelas .
The U.S. Fish and Wildlife Service is pushing for added protections ... monarch butterfly after seeing a population decline of about 80%. ... had a 95% decline since the 80s in migratory population.