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题名: The intensification of the East Asian winter monsoon contributed to the disappearance of Cedrus (Pinaceae) in southwestern China
作者: Su, Tao1, 3; Liu, Yu-Sheng (Christopher)4, 5; Jacques, Frederic M. B.1; Huang, Yong-Jiang2; Xing, Yao-Wu6; Zhou, Zhe-Kun1, 2
刊名: QUATERNARY RESEARCH
关键词: Cedrus ; Climatic change ; Cone scale ; Longmen ; Monsoon ; Pliocene ; Quaternary ; Sanying Formation ; Yunnan
英文摘要: Climate change during the Quaternary played an important role in the distribution of extant plants. Herein, cone scales of Cedrus (Pinaceae) were uncovered from the Upper Pliocene Sanying Formation, Longmen Village, Yongping County of Yunnan Province in southwestern China. Detailed comparisons show that these fossils all belong to the genus Cedrus (Pinaceae), and a new species is proposed, Cedrus angusta sp. nov. This find expands the known distribution of Cedrus during the Late Pliocene to Yunnan, where the genus no longer exists in natural forests. Based on the analysis of reconstructed Neogene climate data, we suggest that the intensification of the East Asian winter monsoon during the Quaternary may have dramatically increased seasonality and given rise to a much drier winter in Yunnan. Combined with information on Cedrus fossil records and its seed physiology, we conclude that the intensification of a drier climate after the Late Pliocene may have prevented the survival of Cedrus seedlings, leading to the eventual disappearance of Cedrus in western Yunnan. This study indicates that the topography in southwestern China acted as a vital refuge for many plants during the Quaternary, but that other species gradually disappeared due to the intensification of the monsoonal climate. (C) 2013 University of Washington. Published by Elsevier Inc. All rights reserved.
出版日期: 2013-09-01
卷号: 80, 期号:2, 页码:316-325
语种: 英语
ISSN号: 0033-5894
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/17305
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
3.Chinese Acad Sci, State Key Lab Paleobiol & Stratig, Nanjing Inst Geol & Paleontol, Nanjing 210008, Jiangsu, Peoples R China
4.E Tennessee State Univ, Dept Biol Sci, Johnson City, TN 37614 USA
5.E Tennessee State Univ, Don Sundquist Ctr Excellence Paleontol, Johnson City, TN 37614 USA
6.Univ Zurich, Inst Systemat Bot, CH-8008 Zurich, Switzerland

Recommended Citation:
Su, Tao;Liu, Yu-Sheng (Christopher);Jacques, Frederic M. B.;Huang, Yong-Jiang;Xing, Yao-Wu;Zhou, Zhe-Kun.The intensification of the East Asian winter monsoon contributed to the disappearance of Cedrus (Pinaceae) in southwestern China,QUATERNARY RESEARCH,2013,80(2):316-325
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