globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0119758
论文题名:
New Genetic and Linguistic Analyses Show Ancient Human Influence on Baobab Evolution and Distribution in Australia
作者: Haripriya Rangan; Karen L. Bell; David A. Baum; Rachael Fowler; Patrick McConvell; Thomas Saunders; Stef Spronck; Christian A. Kull; Daniel J. Murphy
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-4-1
卷: 10, 期:4
语种: 英语
英文关键词: Gene flow ; Phylogenetic analysis ; Phylogeography ; Languages ; Fruits ; Language families ; Australia ; Trees
英文摘要: This study investigates the role of human agency in the gene flow and geographical distribution of the Australian baobab, Adansonia gregorii. The genus Adansonia is a charismatic tree endemic to Africa, Madagascar, and northwest Australia that has long been valued by humans for its multiple uses. The distribution of genetic variation in baobabs in Africa has been partially attributed to human-mediated dispersal over millennia, but this relationship has never been investigated for the Australian species. We combined genetic and linguistic data to analyse geographic patterns of gene flow and movement of word-forms for A. gregorii in the Aboriginal languages of northwest Australia. Comprehensive assessment of genetic diversity showed weak geographic structure and high gene flow. Of potential dispersal vectors, humans were identified as most likely to have enabled gene flow across biogeographic barriers in northwest Australia. Genetic-linguistic analysis demonstrated congruence of gene flow patterns and directional movement of Aboriginal loanwords for A. gregorii. These findings, along with previous archaeobotanical evidence from the Late Pleistocene and Holocene, suggest that ancient humans significantly influenced the geographic distribution of Adansonia in northwest Australia.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0119758&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/21605
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Centre for Geography and Environmental Science, Monash University, Melbourne VIC, 3800, Australia;Centre for Geography and Environmental Science, Monash University, Melbourne VIC, 3800, Australia;Royal Botanic Gardens Melbourne, South Yarra, VIC, 3141, Australia;Department of Botany, University of Wisconsin-Madison, Madison, WI, 53706, United States of America;Centre for Geography and Environmental Science, Monash University, Melbourne VIC, 3800, Australia;Royal Botanic Gardens Melbourne, South Yarra, VIC, 3141, Australia;School of Language Studies, The Australian National University, Canberra, ACT, 0200, Australia;Independent Researcher—Linguist, PO Box 10, Derby, WA, 6728, Australia;Linguistics, School of Culture, History, and Language, The Australian National University, Canberra, ACT, 0200, Australia;Linguistics, Katholieke Universiteit Leuven, 3000, Leuven, Belgium;Centre for Geography and Environmental Science, Monash University, Melbourne VIC, 3800, Australia;Institut de Géographie et Durabilité, Universitie de Lausanne, Lausanne, CH, 1015, Switzerland;Royal Botanic Gardens Melbourne, South Yarra, VIC, 3141, Australia

Recommended Citation:
Haripriya Rangan,Karen L. Bell,David A. Baum,et al. New Genetic and Linguistic Analyses Show Ancient Human Influence on Baobab Evolution and Distribution in Australia[J]. PLOS ONE,2015-01-01,10(4)
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