Ocean

Oxygen-depleted oceans had key role in mass extinction over 200M years ago

Changes in the biochemical balance of the ocean were a crucial factor in the end-Triassic mass extinction, during which half of all plant, animal and marine life on Earth perished, according to new research involving the University of Southampton. The study, published in the upcoming edition of Geology, reveals that a condition called ‘marine photic zone euxinia’ took place in …