vicariance

listen to the pronunciation of vicariance
English - Turkish
(Biyoloji) Organizmaların veya toplulukların birbirlerinden coğrafik bir bariyer ile ayrılması

or some fish species, the signal of this vicariance in mtDNA has been eroded by gene flow and is not evident with classic, equilibrium measures of population structure. (Cynthia Riginos, 2005).

English - English
The separation of a group of organisms by a geographic barrier, resulting in differentiation of the original group into new varieties or species
The act of experiencing an event by proxy through an empathic link with the person who is experiencing the event firsthand
The geological event which produces such a barrier (volcano, earthquake, etc)
(Biyoloji) Fragmentation of the environment (as by splitting of a tectonic plate) in contrast to dispersal as a factor in promoting biological evolution by division of large populations into isolated subpopulations ― called also vicariance biogeography
(Biyoloji) The separation or division of a group of organisms by a geographic barrier, such as a mountain or a body of water, resulting in differentiation of the original group into new varieties or species