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DOI10.1007/s00468-012-0721-8
Spatiotemporal variability of tree growth and its association with climate over Northwest China
Fang, Keyan; Gou, Xiaohua; Chen, Fahu; Cook, Edward; Li, Jinbao; Li, Yingjun
发表日期2012
ISSN0931-1890
卷号26期号:5页码:1471-1481
英文摘要

Understanding spatiotemporal tree growth variability and its associations with climate can provide key insights into forest dynamics in the context of global climate change. Here, we conduct a comprehensive investigation on 64 ring-width chronologies across the entire Northwest (NW) China to understand the regional patterns of tree growth and climate-growth relationships. Using rotated principal component analysis and hierarchical clustering analysis, we found that tree growth was mainly determined by the climate and could be classified into nine groups. Most of the tree-ring chronologies in NW China showed high correlations with moisture conditions in the current and previous growing seasons. After removing age-related growth trends, inter-annual tree growth patterns are supposed to be mainly determined by climate and climate-growth relationships. Since climate-growth relationships for most tree-ring chronologies in this arid region are similar, patterns of tree growth are mainly determined by climate variability. Within each group, the strength of the common signal increases under extreme climate conditions. Thus, climate plays a more important role in determining tree growth in extreme climate conditions relative to the non-climate factors, leading to more coherent growth patterns.


英文关键词Tree growth;Climate-growthrelationship;Dendrochronology;NW China;Spatial clustering
语种英语
WOS研究方向Forestry
WOS类目Forestry
WOS记录号WOS:000308860500006
来源期刊TREES-STRUCTURE AND FUNCTION
来源机构兰州大学 ; 中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/1975
推荐引用方式
GB/T 7714
Fang, Keyan,Gou, Xiaohua,Chen, Fahu,et al. Spatiotemporal variability of tree growth and its association with climate over Northwest China[J]. 兰州大学, 中国科学院青藏高原研究所,2012,26(5):1471-1481.
APA Fang, Keyan,Gou, Xiaohua,Chen, Fahu,Cook, Edward,Li, Jinbao,&Li, Yingjun.(2012).Spatiotemporal variability of tree growth and its association with climate over Northwest China.TREES-STRUCTURE AND FUNCTION,26(5),1471-1481.
MLA Fang, Keyan,et al."Spatiotemporal variability of tree growth and its association with climate over Northwest China".TREES-STRUCTURE AND FUNCTION 26.5(2012):1471-1481.
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