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学科主题: 地理学::自然地理学
题名: Species interactions slow warming-induced upward shifts of treelines on the Tibetan Plateau
作者: Liang, EY (Liang, Eryuan)1, 2, 3; Wang, YF (Wang, Yafeng)1; Piao, SL (Piao, Shilong)1, 3; Lu, XM (Lu, Xiaoming)1; Camarero, JJ (Julio Camarero, Jesus)4; Zhu, HF (Zhu, Haifeng)1; Zhu, LP (Zhu, Liping)2, 3; Ellison, AM (Ellison, Aaron M.)5; Ciais, P (Ciais, Philippe)6; Penuelas, J (Penuelas, Josep)7
通讯作者: Liang, EY
刊名: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
发表日期: 2016
DOI: 10.1073/pnas.1520582113
卷: 113, 期:16, 页:4380-4385
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: The alpine treeline is commonly regarded as being sensitive to climatic warming because regeneration and growth of trees at treeline generally are limited by low temperature. The alpine treelines of the Tibetan Plateau (TP) occur at the highest elevations (4,900 m above sea level) in the Northern Hemisphere. Ongoing climatic warming is expected to shift treelines upward. Studies of treeline dynamics at regional and local scales, however, have yielded conflicting results, indicating either unchanging treeline elevations or upward shifts. To reconcile this conflict, we reconstructed in detail a century of treeline structure and tree recruitment at sites along a climatic gradient of 4 degrees C and mean annual rainfall of 650 mm on the eastern TP. Species interactions interacted with effects of warming on treeline and could outweigh them. Densification of shrubs just above treeline inhibited tree establishment, and slowed upward movement of treelines on a time scale of decades. Interspecific interactions are major processes controlling treeline dynamics that may account for the absence of an upward shift at some TP treelines despite continued climatic warming.
语种: 英语
WOS记录号: WOS:000374393800049
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7715
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.CSIC, IPE, Zaragoza 50059, Spain
5.Harvard Forest, Petersham, MA 01366 USA
6.Univ Versailles St Quentin, CNRS, Lab Sci Climat & Environm, Commissariat Energie Atom, F-91191 Gif Sur Yvette, France
7.UAB, CREAF, Global Ecol Unit, CSIC, E-08193 Cerdanyola Del Valles, Catalonia, Spain

Recommended Citation:
Liang, EY ,Wang, YF ,Piao, SL ,et al. Species interactions slow warming-induced upward shifts of treelines on the Tibetan Plateau[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2016,113(16):4380-4385.
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