27 Mar '12, 1am

Humans killed off magnificent Australian megafauna, flipping rainforest into savannah via @mongabay

Humans killed off magnificent Australian megafauna, flipping rainforest into savannah via @mongabay

Humans killed off magnificent Australian megafauna, flipping rainforest into savannah Jeremy Hance mongabay.com March 27, 2012 An extinct marsupial mega-herbivore, Diprotodon optatum. Drawing by Peter Murray. Image © Science/AAAS. The theory that humans, and not climate change, was primarily responsible for the extinction of giant marsupials in prehistoric Australia takes another step forward with a new study in Science . Exploring sediment cores for past evidence of big herbivores, researchers found that the arrival of humans coincided with the loss of a menagerie of magnificent beasts, from giant kangaroos to fearsome marsupial lions and monster birds to Komodo dragon-like reptiles. The decline of this megafauna ultimately led to ecological changes that may have caused Australia's rainforest to become savannah. To help determine what killed off Australia's megafauna, res...

Full article: http://news.mongabay.com/2012/0326-hance_australia_megafa...

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