Ocean Acidification Dealt The Final Blow During The 'Great Dying'

April 10, 2015 8:05 AM

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Ocean Acidification Dealt The Final Blow During The 'Great Dying'

About 252 million years ago, in an event that would later come to be recognized as the biggest mass extinction event Earth has ever seen, over 90 percent of all marine species and nearly 70 percent of terrestrial animals and plants disappeared. Research now suggests that the Permian-Triassic extinction event -- aptly called the “Great Dying” -- was caused, at least in part, by ocean acidification.

According to our current understanding, extreme volcanic activity in the Siberian Traps released huge amounts of carbon dioxide into the atmosphere, triggering the start of the extinction event that is believed to have taken place over a 60,000-year period. The latest study, published in the journal...

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