hybrid zone


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hybrid zone

[¦hī·brəd ¦zōn]
(ecology)
A geographic zone in which two populations hybridize after the breakdown of the geographic barrier that separated them.
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References in periodicals archive ?
musculus meet in a well-studied hybrid zone ranging across Denmark, the Netherlands, Germany, Czech Republic and Bulgaria (Jones et al.
In a hybrid zone the steepness of character transitions between species can inform about the strength of selective forces separating the taxa (Barton & Gale 1993).
Thus, further research on contact zones is needed to clarify which population and landscape attributes (either natural or antropogenically produced) are likely to affect the process of natural hybridization and, consequently, the persistence of hybrid zones.
2004), extrinsic selection for hybrids (Flockhart and Wiebe, 2008), or a combination of both (Good et al, 2000; Gay et al, 2008); yet, few of these studies have examined more than one hybrid zone within the same species complex.
Previously, a hybrid zone at the salinity gradient between the North Sea and the Baltic Sea was known to exist where M.
glaucescens-occidentalis hybrid zone occurs along a transition between 2 marine ecosystems, the first characterized by fjords and estuaries and the second by the California Current and coastal upwelling (Bell 1996).
The study is the first to assess genetic ancestry of primate hybrids inhabiting a natural hybrid zone using molecular data to explain morphological variation.
Characteristics and reproductive biology of grosbeaks (Pheucticus) in the hybrid zone in South Dakota.
Rapid movement of a Heliconius hybrid zone evidence for phase III of wright's shifting balance theory?