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Holarctica

A Dictionary of Ecology | 2004 | 261 words | Copyright

Holarctica A formerly unified, circumpolar, biogeographic region, embracing what are now North America, Europe, and Asia (i.e. Laurasia). The legacy of this region is attested to by the great floral and faunal similarities between the three northern continents.

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MICHAEL ALLABY. "Holarctica." A Dictionary of Ecology. 2004. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

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