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Spatial variability of tree growth along a latitudinal transect in the Qilian Mountains, northeastern Tibetan Plateau
Liang E.; Shao X. M.; Eckstein D.; Liu X. H.
出处Canadian Journal of Forest Research-Revue Canadienne De Recherche Forestiere
2010
40
2
200-211
关键词Precipitation Variation Northwestern China Northern Patagonia Temporal Variation Picea-crassifolia Ring Chronologies Douglas-fir Arid Areas Climate Qinghai
英文摘要Little is known about the spatial variability in tree growth and its responses to climate on the Tibetan Plateau, however, such information is essential for improving predictions of forest ecosystem response to climatic change A network of 16 ring width chronologies was developed along a latitudinal transect in the Qilian Mountains. northeastern Tibetan Plateau A principal components analysis revealed that the residual chronologies had a positive loading on the first unrotated principal component (PC1) After rotation, PC1 yielded the highest loadings on the driest sites in the northwest and decreased to the south and to the east. PC2 was negatively correlated with altitude Moisture availability was a dominant limiting factor for tree growth, and this dominance increased northwards and westwards along the precipitation gradient Loadings of the first two rotated principal components separated the 16 forest sites into three major groups corresponding to the three regions affected by the East Asian Monsoon, Westerlies, and their interaction. Thus, spatial variability in tree growth is an excellent bioindicator of regional climate.
收录类别SCI
语种英语
ISSN号0045-5067
文献类型SCI/SSCI论文
条目标识符http://ir.igsnrr.ac.cn/handle/311030/23565
专题历年回溯文献
推荐引用方式
GB/T 7714
Liang E.,Shao X. M.,Eckstein D.,et al. Spatial variability of tree growth along a latitudinal transect in the Qilian Mountains, northeastern Tibetan Plateau. 2010.
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