4.4 Article

A comparative study of genetic diversity of peripheral and central populations of chukar partridge from northwestern China

Journal

BIOCHEMICAL GENETICS
Volume 43, Issue 11-12, Pages 613-621

Publisher

SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10528-005-9118-3

Keywords

Alectoris chukar; peripheral population; central population; mtDNA; genetic diversity

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Although it has long been presumed that peripheral populations tend to exhibit low genetic diversity because of isolation and genetic drift, results of empirical investigation remain ambiguous. Some chukar partridge (Alectoris chukar) populations have expanded their ranges, resulting in several peripheral populations, due to recent deforestation by human beings in the Longdong Loess Plateau of northwestern China. On the basis of mitochondrial DNA control-region data, we compare the genetic diversify of two peripheral populations, Honghui and Wangxia, and six central populations. The Wangxia population possessed high levels of genetic diversity. The Honghui population, however, exhibited low genetic variation. The degree of isolation was the primary factor affecting the genetic diversity of the two peripheral populations. A peripheral population that was not isolated exhibited higher genetic diversity than did an isolated peripheral population.

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