Deoxygenation levels similar to today's played major role in marine extinctions 200 million years ago - Phys.org
phys.orgSubmitted by physorg8953 in science
Scientists have made a surprising discovery that sheds new light on the role that oceanic deoxygenation (anoxia) played in one of the most devastating extinction events in Earth's history. Their finding has implications for current-day ecosystems—and serves a…