Ecosystem Collapse in Pleistocene Australia and a Human Role in Megafaunal Extinction

@article{Miller2005EcosystemCI,
  title={Ecosystem Collapse in Pleistocene Australia and a Human Role in Megafaunal Extinction},
  author={Gifford H. Miller and Marilyn L. Fogel and John W. Magee and Michael K. Gagan and Simon J. Clarke and Beverly J. Johnson},
  journal={Science},
  year={2005},
  volume={309},
  pages={287 - 290}
}
Most of Australia's largest mammals became extinct 50,000 to 45,000 years ago, shortly after humans colonized the continent. Without exceptional climate change at that time, a human cause is inferred, but a mechanism remains elusive. A 140,000-year record of dietary δ13C documents a permanent reduction in food sources available to the Australian emu, beginning about the time of human colonization; a change replicated at three widely separated sites and in the marsupial wombat. We speculate that… 
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EXTINCTIONS OF BIG GAME
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