Arid
DOI10.2193/2008-448
Using Genetic Tools to Track Desert Bighorn Sheep Colonizations
Epps, Clinton W.1; Wehausen, John D.2; Palsboll, Per J.1; McCullough, Dale R.1
通讯作者Epps, Clinton W.
来源期刊JOURNAL OF WILDLIFE MANAGEMENT
ISSN0022-541X
出版年2010
卷号74期号:3页码:522-531
英文摘要

Understanding colonization is vital for managing fragmented populations. We employed mitochondrial DNA haplotypes and 14 microsatellite (nuclear DNA) markers to infer the origins of newly established populations of desert bighorn sheep (Ovis canadensis nelsoni) and to assess loss of genetic diversity during natural colonizations. We used haplotype distribution, F-statistics, Bayesian population clustering, and assignment tests to infer source populations for 3 recent colonies and identified a previously undetected colonization from multiple source populations. Allelic richness declined in 3 of 4 colonies in comparison to the primary source populations, but not as much as has been reported for translocated populations. Heterozygosity declined in only one colony. We also demonstrated that both native and translocated desert bighorn sheep have naturally recolonized empty habitats and suggest that colonization may partially offset population extinction in the region as long as connectivity is maintained. Genetic techniques and mitochondrial DNA haplotypes we described will allow managers to determine the origins of future colonizations by bighorn sheep in California, USA, and prioritize protection of linkages between known sources and colonies.


英文关键词assignment test California colonization metapopulation microsatellites mitochondrial DNA Ovis canadensis translocation
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000275964200018
WOS关键词RECENT POPULATION BOTTLENECKS ; DWELLING MOUNTAIN SHEEP ; MITOCHONDRIAL-DNA ; DIFFERENTIATION ; IDENTIFICATION ; CONSERVATION ; IMMIGRATION ; VARIABILITY ; ASSIGNMENT ; CALIFORNIA
WOS类目Ecology ; Zoology
WOS研究方向Environmental Sciences & Ecology ; Zoology
来源机构University of California, Berkeley
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/165532
作者单位1.Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA;
2.Univ Calif, White Mt Res Stn, Bishop, CA 93514 USA
推荐引用方式
GB/T 7714
Epps, Clinton W.,Wehausen, John D.,Palsboll, Per J.,et al. Using Genetic Tools to Track Desert Bighorn Sheep Colonizations[J]. University of California, Berkeley,2010,74(3):522-531.
APA Epps, Clinton W.,Wehausen, John D.,Palsboll, Per J.,&McCullough, Dale R..(2010).Using Genetic Tools to Track Desert Bighorn Sheep Colonizations.JOURNAL OF WILDLIFE MANAGEMENT,74(3),522-531.
MLA Epps, Clinton W.,et al."Using Genetic Tools to Track Desert Bighorn Sheep Colonizations".JOURNAL OF WILDLIFE MANAGEMENT 74.3(2010):522-531.
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