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allopatric speciation
(redirected from vicariance)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
allopatric speciation [¦al·ō¦pa·trik ‚spē·sē′ā·shən]
(ecology)
Differentiation of populations in geographical isolation to the point where they are recognized as separate species.


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Fern biogeographers were required to consider a new variety of possible outcomes from dispersal and vicariance (e.
Glacial vicariance in the Pacific Northwest: evidence from a lodgepole pine mitochondrial DNA minisatellite for multiple genetically distinct and widely separated refugia.
Furthermore, because silver seatrout are not tied to shallow estuarine waters, they may have eluded the significant vicariance effects (that is, genetic divergence caused by the appearance of a transient or permanent boundary) caused by sea level shifts during periods of glacial advance.
 
 
 
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