Biodiversity plunges below ‘safe’ levels – study


MIAMI: Having a range of different plant and animal species helps guarantee the health of the Earth, but a study on Thursday suggested that biodiversity may be declining beyond safe levels. On 58 percent of the world’s land surface, which is home to 71 percent of the global population, “the level of biodiversity loss is substantial enough to question the ability of ecosystems to support human societies,” said the report in the US journal Science. Researchers at University College London based their study on data from hundreds of international scientists, crunching 2.38 million records for more than 39,000 species at more than 18,000 sites in the world. They sought to estimate how biodiversity has changed over time, particularly since humans arrived and built on land.



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