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Difference between revisions of "Anthropocene extinction event"

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(New page: {{RED}} The '''anthropocene extinction event''',<ref>S.A. Wooldridge Mass extinctions past and present: unifying hypothesis, Biogeosciences Discuss, Copernicus volume 5 pages 2401–2423 ...)
 
 
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{{RED}}
 
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The '''anthropocene extinction event''',<ref>S.A. Wooldridge Mass extinctions past and present:  unifying hypothesis, Biogeosciences Discuss, Copernicus volume 5 pages 2401–2423 [http://www.biogeosciences-discuss.net/5/2401/2008/bgd-5-2401-2008.html biogeosciences]</ref> '''anthropocene mass extinction'''<ref>cite doi|10.1073/pnas.0802812105}}</ref> or sixth mass extinction<ref>cite doi|10.1073/pnas.0801921105}}</ref> are terms which have been used to describe the [[Wikipedia:anthropogenic]] (due to human activity) [[Wikipedia:mass extinction]]s occurring from the late [[Wikipedia:Pleistocene]]<ref name=Zalasiewicz>{{cite doi|10.1130/GSAT01802A.1}}</ref> to the present day, and hypothesized projections of future events.
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The '''anthropocene extinction event''',<ref>S.A. Wooldridge Mass extinctions past and present:  unifying hypothesis, Biogeosciences Discuss, Copernicus volume 5 pages 2401–2423 [http://www.biogeosciences-discuss.net/5/2401/2008/bgd-5-2401-2008.html biogeosciences]</ref> '''anthropocene mass extinction'''<ref>cite doi|10.1073/pnas.0802812105}}</ref> or sixth mass extinction<ref>cite doi|10.1073/pnas.0801921105}}</ref> are terms which have been used to describe the [[Wikipedia:anthropogenic]] (due to human activity) [[Wikipedia:mass extinction]]s occurring from the late [[Wikipedia:Pleistocene]]<ref name=Zalasiewicz>10.1130/GSAT01802A.1}}</ref> to the present day, and hypothesized projections of future events.
  
 
== Influence of the Anthropocene ==
 
== Influence of the Anthropocene ==
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=== Geologic time periods influenced ===
 
=== Geologic time periods influenced ===
{{main|Quaternary extinction event | Pleistocene extinction event | Holocene extinction event}}
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{{main|Wikipedia:Quaternary extinction event | Pleistocene extinction event | Holocene extinction event}}
 
*Quaternary period, which encompasses the Pleistocene and Holocene epochs.  
 
*Quaternary period, which encompasses the Pleistocene and Holocene epochs.  
 
*Pleistocene epoch  
 
*Pleistocene epoch  

Latest revision as of 07:13, 12 February 2014

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The anthropocene extinction event,[1] anthropocene mass extinction[2] or sixth mass extinction[3] are terms which have been used to describe the Wikipedia:anthropogenic (due to human activity) Wikipedia:mass extinctions occurring from the late Wikipedia:Pleistocene[4] to the present day, and hypothesized projections of future events.

Influence of the Anthropocene[edit]

The Wikipedia:Anthropocene is the period in Earth's history where the results of human activity became a major influence upon ecosystems such that it is distinguished from the contemporary Pleistocene, Wikipedia:Quaternary period, and Wikipedia:Holocene. Extinction of animals and plants caused by human actions may go as far back as the late Wikipedia:Pleistocene. If a strict delineation of geologic ages as being unable to overlap is held to, then paradoxically, human-driven extinctions may therefore pre-date the Anthropocene. he extinction of megaherbivores in the late Pleistocene is explained by one of two hypotheses, or a combination of the two: climate change, and the ecological impact of early humans. Not only hunting, but anthropogenic fire selected for the survival of Wikipedia:ruminants more than the survival of browsing, and against carnivores and scavengers which fed on both.[5][6][7]

Geologic time periods influenced[edit]

  • Quaternary period, which encompasses the Pleistocene and Holocene epochs.
  • Pleistocene epoch
  • Holocene epoch

Although they are most strictly defined in terms of geologic processes, this period and its epochs lend their names to the more common designations of extinction instances in this time frame.

References[edit]

  1. S.A. Wooldridge Mass extinctions past and present: unifying hypothesis, Biogeosciences Discuss, Copernicus volume 5 pages 2401–2423 biogeosciences
  2. cite doi|10.1073/pnas.0802812105}}
  3. cite doi|10.1073/pnas.0801921105}}
  4. 10.1130/GSAT01802A.1}}
  5. Martin P. S. (1963). The last 10,000 years: A fossil pollen record of the American Southwest, Tucson, AZ: Univ. Ariz. Press.
  6. Martin P. S. (1967). 'Prehistoric overkill. In Pleistocene extinctions: The search for a cause (ed. P.S. Martin and H.E. Wright)', New Haven: Yale Univ. Press.
  7. Martin P. S. (1989). 'Prehistoric overkill: A global model. In Quaternary extinctions: A prehistoric revolution (ed. P.S. Martin and R.G. Klein)', p. 354–404, Tucson, AZ: Univ. Arizona Press.