阿尔泰山西伯利亚落叶松径向生长对气候变化的分异响应

焦亮,王玲玲,李丽,陈晓霞,闫香香

Divergent responses of radial growth of Larix sibirica to climate change in Altay Mountains of Xinjiang, China

JIAO Liang,WANG Ling-Ling,LI Li,CHEN Xiao-Xia,YAN Xiang-Xiang

表1 阿尔泰山西伯利亚落叶松差值年表主要特征参数

Table 1 Main parameters of tree-ring residual chronology of Larix sibirica in Altay Mountains

统计特征 Statistics 数值 Value 平均敏感度 Mean sensitivity (MS) 0.216 标准偏差 Standard deviation (SD) 0.212 一阶自回归系数 First-order serial autocorrelation (AC1) 0.122 样本相关系数 Correlation coefficient for all series (R1) 0.467 树内相关系数 Correlation coefficients within trees (R2) 0.673 树间相关系数 Correlation coefficients between trees (R3) 0.463 第一主分量方差 Variance in first eigenvector (PC1)(%) 48.5 信噪比 Signal-to-noise ratio (SNR) 38.59 样本总体解释量 Expressed population signal (EPS) 0.975 信号强度(SSS) > 0.85起始年(树芯数) First year of SSS > 0.85 (Number of tree-ring) 1 788 (6)