Humans, not climate change, wiped out Australian megafauna

Watts Up With That?

Monash University, CU-Boulder show steep decline in megafauna shortly after 45,000 years ago

From the UNIVERSITY OF COLORADO AT BOULDER

This is a menagerie of megafauna that inhabited Australia some 45,000 years ago. CREDIT Peter Trusler, Monash University This is a menagerie of megafauna that inhabited Australia some 45,000 years ago. CREDIT Peter Trusler, Monash University

New evidence involving the ancient poop of some of the huge and astonishing creatures that once roamed Australia indicates the primary cause of their extinction around 45,000 years ago was likely a result of humans, not climate change.

Led by Monash University in Victoria, Australia and the University of Colorado Boulder, the team used information from a sediment core drilled in the Indian Ocean off the coast of southwest Australia to help reconstruct past climate and ecosystems on the continent. The core contains chronological layers of material blown and washed into the ocean, including dust, pollen, ash and spores from a fungus called Sporormiella that thrived on the dung of plant-eating mammals…

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