Divergence in an archipelago and its conservation consequences in Aleutian Island rock ptarmigan

被引：16

作者：

Pruett, Christin L. ^{[1
,2
]}

Turner, Tyler N. ^{[1
]}

Topp, Carrie M. ^{[3
]}

Zagrebelny, Sergey V. ^{[4
]}

Winker, Kevin ^{[2
,3
]}

机构：

[1] Florida Inst Technol, Dept Biol Sci, Melbourne, FL 32901 USA

[2] Univ Alaska Museum, Fairbanks, AK 99775 USA

[3] Univ Alaska Fairbanks, Inst Arctic Biol, Fairbanks, AK 99775 USA

[4] Commander State Natl Biosphere Reservate, Nikolskoe 684500, Kamchatka, Russia

来源：

CONSERVATION GENETICS | 2010年 / 11卷 / 01期

基金：

美国国家科学基金会;

关键词：

Aleutian Islands; Island endemic; Genetic diversity; Lagopus muta; Rock ptarmigan; RECENT POPULATION BOTTLENECKS; ALLELE FREQUENCY; GENETIC DIVERSITY; LAGOPUS-MUTUS; SOFTWARE; EXPANSION; INFERENCE; TESTS; LOCI; SIZE;

D O I：

10.1007/s10592-009-0026-7

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

The identification and assessment of island endemics is a conservation priority. We genotyped 115 rock ptarmigan from five insular populations in the Aleutian-Commander archipelago and two Alaska mainland populations to identify conservation units, assess genetic diversity and gene flow, and to determine whether populations have declined over time. We found four distinct populations that appear to be completely isolated and which correspond closely to recognized subspecies. The most geographically isolated populations also have the lowest genetic diversity. Three populations (Attu Island, Rat Islands, and Adak Island), which each experienced historic introductions of an exotic predator, showed genetic signals of declines, but the timing did not correspond with the introduction. We recommend management of each endemic group as a unique conservation unit.

引用

页码：241 / 248

页数：8

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Sergey V. Zagrebelny
Kevin Winker
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