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Warming-induced upward migration of the alpine treeline in the Changbai Mountains, northeast China
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SYSNO ASEP 0489436 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Warming-induced upward migration of the alpine treeline in the Changbai Mountains, northeast China Author(s) Du, H. (US)
Liu, J. (CN)
Li, M. (CN)
Büntgen, Ulf (UEK-B) RID, ORCID, SAI
Yang, Y. (CN)
Wang, L. (CN)
Wu, Z. (CN)
He, Hong S. (CN)Number of authors 8 Source Title Global Change Biology. - : Wiley - ISSN 1354-1013
Roč. 24, č. 3 (2018), s. 1256-1266Number of pages 11 s. Language eng - English Country GB - United Kingdom Keywords climate-change ; tibetan plateau ; pinus-cembra ; elevation ; dynamics ; shifts ; forest ; growth ; line ; carbon ; altitudinal transect ; Betula ermanii ; Changbai Mountains ; climate change ; dendroecology ; forest growth ; treeline dynamics Subject RIV EH - Ecology, Behaviour OECD category Environmental sciences (social aspects to be 5.7) R&D Projects LO1415 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UEK-B - RVO:86652079 UT WOS 000425396700032 EID SCOPUS 85042141453 DOI 10.1111/gcb.13963 Annotation Treeline responses to environmental changes describe an important phenomenon in global change research. Often conflicting results and generally too short observations are, however, still challenging our understanding of climate-induced treeline dynamics. Here, we use a state-of-the-art dendroecological approach to reconstruct long-term changes in the position of the alpine treeline in relation to air temperature at two sides in the Changbai Mountains in northeast China. Over the past 160 years, the treeline increased by around 80 m, a process that can be divided into three phases of different rates and drives. The first phase was mainly influenced by vegetation recovery after an eruption of the Tianchi volcano in 1702. The slowly upward shift in the second phase was consistent with the slowly increasing temperature. The last phase coincided with rapid warming since 1985, and shows with 33 m per 1 degrees C, the most intense upward shift. The spatial distribution and age structure of trees beyond the current treeline confirm the latest, warming-induced upward shift. Our results suggest that the alpine treeline will continue to rise, and that the alpine tundra may disappear if temperatures will increase further. This study not only enhances mechanistic understanding of long-term treeline dynamics, but also highlights the effects of rising temperatures on high-elevation vegetation dynamics. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2019
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