News From the Field
Decline of Carbon-dioxide-gobbling Plankton Coincided With Ancient Global Cooling
January 7, 2009
The evolutionary history of diatoms--abundant oceanic plankton that remove billions of tons of carbon dioxide from the air each year--needs to be rewritten, according to a new Cornell University study. The findings suggest that after a sudden rise in species numbers, diatoms abruptly declined about 33 million years ago--trends that coincided with severe global cooling.
Cornell University Communications
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