不同林龄、树种落叶松人工林径向生长与气候变化的关系
温晓示1,陈彬杭1,张树斌1,徐凯1,叶新宇1,倪伟杰2,王襄平1,*(
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Relationships of radial growth with climate change in larch plantations of different stand ages and species
WEN Xiao-Shi1,CHEN Bin-Hang1,ZHANG Shu-Bin1,XU Kai1,YE Xin-Yu1,NI Wei-Jie2,WANG Xiang-Ping1,*()
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图3. 草河口和湾甸子落叶松年轮宽度指数与气温(T)、帕尔默干旱指数(PDSI)的主成分分析。P表示上一年, C表示当年, Spr、Sum、Aut、Win分别表示春、夏、秋、冬季。
Fig. 3. Principal component analysis of ring width index of larch and air temperature (T), palmer drought severity index (PDSI) of Caohekou and Wandianzi. P designates the previous year, and C the current year. Spr, Sum, Aut and Win are abbreviations for spring, summer, autumn and winter, respectively.
