Arid
DOI10.1371/journal.pone.0079362
Radial Growth of Qilian Juniper on the Northeast Tibetan Plateau and Potential Climate Associations
Qin, Chun1; Yang, Bao1; Melvin, Thomas M.2; Fan, Zexin3; Zhao, Yan4; Briffa, Keith R.2
通讯作者Yang, Bao
来源期刊PLOS ONE
ISSN1932-6203
出版年2013
卷号8期号:11
英文摘要

There is controversy regarding the limiting climatic factor for tree radial growth at the alpine treeline on the northeastern Tibetan Plateau. In this study, we collected 594 increment cores from 331 trees, grouped within four altitude belts spanning the range 3550 to 4020 m.a.s.l. on a single hillside. We have developed four equivalent ring-width chronologies and shown that there are no significant differences in their growth-climate responses during 1956 to 2011 or in their longer-term growth patterns during the period AD 1110-2011. The main climate influence on radial growth is shown to be precipitation variability. Missing ring analysis shows that tree radial growth at the uppermost treeline location is more sensitive to climate variation than that at other elevations, and poor tree radial growth is particularly linked to the occurrence of serious drought events. Hence water limitation, rather than temperature stress, plays the pivotal role in controlling the radial growth of Sabina przewalskii Kom. at the treeline in this region. This finding contradicts any generalisation that tree-ring chronologies from high-elevation treeline environments are mostly indicators of temperature changes.


类型Article
语种英语
国家Peoples R China ; England
收录类别SCI-E
WOS记录号WOS:000327143800065
WOS关键词ARID NORTHWESTERN CHINA ; TREE-RING CHRONOLOGY ; SABINA-PRZEWALSKII ; ALTITUDINAL GRADIENT ; HEIHE RIVER ; MOUNTAINS ; ELEVATION ; VARIABILITY ; RECONSTRUCTION ; PATTERNS
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构中国科学院西北生态环境资源研究院 ; 中国科学院地理科学与资源研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/179443
作者单位1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou, Peoples R China;
2.Univ E Anglia, Sch Environm Sci, Climat Res Unit, Norwich NR4 7TJ, Norfolk, England;
3.Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Kunming, Peoples R China;
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Qin, Chun,Yang, Bao,Melvin, Thomas M.,et al. Radial Growth of Qilian Juniper on the Northeast Tibetan Plateau and Potential Climate Associations[J]. 中国科学院西北生态环境资源研究院, 中国科学院地理科学与资源研究所,2013,8(11).
APA Qin, Chun,Yang, Bao,Melvin, Thomas M.,Fan, Zexin,Zhao, Yan,&Briffa, Keith R..(2013).Radial Growth of Qilian Juniper on the Northeast Tibetan Plateau and Potential Climate Associations.PLOS ONE,8(11).
MLA Qin, Chun,et al."Radial Growth of Qilian Juniper on the Northeast Tibetan Plateau and Potential Climate Associations".PLOS ONE 8.11(2013).
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