3 years, 7 months ago

Third of global tree species threatened with extinction due to farming, logging

Forest ecosystems can collapse when they are subjected to multiple stressors – like fire, logging and the break up of habitat – that have the potential to interact and “drive abrupt ecological change.” Around a third of all the world’s tree species are threatened with extinction, according to a global index published Wednesday, warning that climate change could tip some forests into ecosystem collapse. Land clearance for farming – both crops and livestock – and logging are by far the biggest threats to trees, the State of the World’s Trees report said, adding that climate change was also “having a clearly measurable impact”. The study looked at the risks to 58,497 tree species worldwide and found that 30 percent are threatened with extinction, with a further seven percent listed as “possibly threatened”. “Many tree species are on the brink of extinction, some represented by one last living individual,” said Jean-Christophe Vie, Director General of Fondation Franklinia, in a foreword to the report.

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