The Conversation

Entire hillsides of trees turned brown this summer. Is it the start of ecosystem collapse?

Written by Rachael Helene Nolan, Postdoctoral research fellow, Western Sydney University

Rachael Nolan, CC BY-NC

The drought in eastern Australia was a significant driver of this season’s unprecedented bushfires. But it also caused another, less well known environmental calamity this summer: entire hillsides of trees turned from green to brown.

We’ve observed extensive canopy dieback from southeast Queensland down to...

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