Any headlines claiming that we’ve “lost 73% of wildlife”, “73% of species have gone extinct” or “73% of species are declining” are incorrect. What this metric tells us is that across the 34, studied wildlife populations, the average decline was 73%.
How fast is biodiversity being lost worldwide
How fast has biodiversity been declining? Biodiversity loss is a result of problems such as the conversion of natural areas into developments or farms, the introduction of invasive species and climate change.
Measuring biodiversity loss: methods and metrics
This summary presents the basic principles and main methods for measuring biodiversity in terrestrial, freshwater, and marine ecosystems.
The impact of climate change on biodiversity loss rates
What percentage of species are going extinct due to biodiversity loss
The number of species lost The number of populations or individuals that have been lost The number or percentage of species or populations that are declining The number of extinctions Any headlines claiming that we’ve “lost 73% of wildlife”, “73% of species have gone extinct” or “73% of species are declining” are incorrect. The steepest decline is in freshwater populations (85%), followed by terrestrial (69%) and then marine (56%). Habitat loss and degradation and overharvesting, driven primarily by our global food system are the dominant threats to wildlife populations around the world, followed by invasive species, disease and climate change.
Current biodiversity loss statistics: global data analysis
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Biodiversity loss percentage by region: a comprehensive study
Biodiversity, the variety of life found in a place on Earth or, often, the total variety of life on Earth. A common measure of this variety, called species richness, is the count of species in an area.
