Acidifying oceans helped fuel mass extinction
Great die-off 250 million years ago could trace in part to waters' change in pH
By Alexandra Witze, 17:18 PM September 2, 2011
The question of what killed most life on Earth 250 million years ago is a veritable Murder on the Orient Express, with multiple characters all dealing part of the deathblow. Now, scientists have learned how one of the assassins — acid — could have performed its part of the deed.
High levels of atmospheric carbon dioxide would have turned the oceans more than acidic enough to kill off marine critters, a computer simulation indicates.
“This would have been another stressor in the system tha...
Source URL: https://www.sciencenews.org/article/acidifying-oceans-helped-fuel-mass-extinction?mode=magazine&context=4510