Ancient DNA Reveals Genetic Continuity in Mountain Woodland Caribou of the Mackenzie and Selwyn Mountains, Northwest Territories, Canada

被引:0
|
作者
Letts, Brandon [1 ]
Fulton, Tara L. [1 ]
Stiller, Mathias [1 ]
Andrews, Thomas D. [2 ]
MacKay, Glen [2 ]
Popko, Richard [3 ]
Shapiro, Beth [1 ]
机构
[1] Penn State Univ, Dept Biol, Mueller Lab 208, University Pk, PA 16802 USA
[2] Prince Wales No Heritage Ctr, Yellowknife, NT X1A 2L9, Canada
[3] Environm & Nat Resources, Sahtu Reg, Norman Wells, NT X0E 0V0, Canada
基金
美国国家科学基金会;
关键词
ice patch; Redstone herd; ecotype; White River tephra; mitochondrial; barren-ground; ALPINE ICE PATCHES; RANGIFER-TARANDUS; MITOCHONDRIAL-DNA; POPULATIONS; CALIBRATION;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
We examine the mitochondrial genetic stability of mountain woodland caribou (Rangifer tarandus caribou) in the Mackenzie and Selwyn Mountains, Northwest Territories, over the last 4000 years. Unlike caribou populations in the Yukon, populations in the Northwest Territories show no evidence for mitochondrial genetic turnover during that period, which indicates that they were not adversely affected by the widespread deposition of the White River tephra around 1200 years ago. We detect moderate genetic differentiation between mountain woodland and barren-ground caribou in both territories, lending support to the current subspecies designations. In addition, we identify moderate genetic differentiation between Northwest Territories and western Yukon mountain woodland caribou, suggesting that there has been minimal mixing of matrilines between these herds.
引用
收藏
页码:80 / 94
页数:15
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