Quantifying the extent of North American mammal extinction relative to the pre-anthropogenic baseline.
Earth has experienced five major extinction events in the past 450 million years. Many scientists suggest we are now witnessing a sixth, driven by human impacts. However, it has been difficult to quantify the real extent of the current extinction episode, either for a given taxonomic group at the co...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Public Library of Science (PLoS)
2009-12-01
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Series: | PLoS ONE |
Online Access: | http://europepmc.org/articles/PMC2789409?pdf=render |