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Pleistocene |
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Pleistocene of, denoting, or formed in the first epoch of the Quaternary period, which lasted for about 1 600 000 years. It was characterized by extensive glaciations of the N hemisphere and the evolutionary development of humans Pleistocene [′plī·stə‚sēn] (geology) The older of the two epochs of the Quaternary Period, spanning about 1.8 million to 10,000 years ago. It represents the interval of geological time (and rocks accumulated during that time) extending from the end of the Pliocene Epoch (and the end of Tertiary Period) to the start of the Holocene Epoch. It is commonly characterized as an epoch when the earth entered its most recent phase of widespread glaciation. Also known as Ice Age; Oiluvium. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The idea of Pleistocene rewilding in North America is provocative ("Brave Old World; SN: 11/11/06, p. Ecological niches as stable distributional constraints on mammal species, with implications for Pleistocene extinctions and climate change projections for biodiversity. In the November 2006 issue of the journal American Naturalist, Donlan and his 11 coauthors write: "we advocate Pleistocene rewilding--reinstituting ecological and evolutionary processes that were transformed or eliminated by megafaunal extinctions--as a conservation priority in North America. |
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