Mapping the origins and expansion of the Indo-European language family.

Mapping the origins and expansion of the Indo-European language family.
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DOI:
10.1126/science.1219669
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发表时间:
2012-08-24
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Atkinson QD
Atkinson QD
中科院分区:
其他
文献类型:
--
作者:
Bouckaert R;Lemey P;Dunn M;Greenhill SJ;Alekseyenko AV;Drummond AJ;Gray RD;Suchard MA;Atkinson QD

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关于印欧语系的起源有两种相互竞争的假说。传统观点认为,祖国位于东欧大草原上,距离大约 6 基亚。另一种假设认为,语言是随着农业扩张 8-9.5 基亚而从安纳托利亚传播开来的。在这里,我们使用贝叶斯系统发育地理学方法以及 103 种古代和当代印欧语言的基本词汇数据来明确模拟家庭的扩张并测试故乡假设。我们找到了对安纳托利亚人关于草原起源的决定性支持。印欧语言树的推断时间和根位置都符合自公元前九世纪开始的安纳托利亚农业扩张。这些结果凸显了系统发育地理学推断在解决有关人类史前史的长期争论中可以发挥的关键作用。
There are two competing hypotheses for the origin of the Indo-European language family. The conventional view places the homeland in the Pontic steppes approximately 6kya. An alternative hypothesis claims the languages spread from Anatolia with the expansion of farming 8–9.5kya. Here we use Bayesian phylogeographic approaches together with basic vocabulary data from 103 ancient and contemporary Indo-European languages to explicitly model the expansion of the family and test between the homeland hypotheses. We find decisive support for an Anatolian over a steppe origin. Both the inferred timing and root location of the Indo-European language trees fit with an agricultural expansion from Anatolia beginning in the 9th millennium BP. These results highlight the critical role phylogeographic inference can play in resolving longstanding debates about human prehistory.
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影响因子: 4.3
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