南盘江流域云南松径向生长对气候暖干化的响应

申佳艳,李帅锋,黄小波,雷志全,施兴全,苏建荣

Radial growth responses to climate warming and drying in Pinus yunnanensis in Nanpan River Basin

SHEN Jia-Yan,LI Shuai-Feng,HUANG Xiao-Bo,LEI Zhi-Quan,SHI Xing-Quan,SU Jian-Rong

表1 南盘江流域云南松树木年轮宽度标准年表(STD)统计特征及公共区间统计量

Table 1 Statistics of tree-ring width standard chronology (STD) and common interval analysis of Pinus yunanensis in Nanpan River Basin

统计特征 Statistic feature 标准年表 STD 样本量(树/样芯) Sample size (trees/radii) 62/95 年表时段 Chronology span 1954-2018 平均敏感度 Mean sensitivity 0.18 公共区间 Common period (year) 1968-2015 公共区间统计量 Statistics of common interval analysis 第一特征向量百分比 Variance in first eigenvector (%) 28.26 标准偏差 Standard deviation 0.39 一阶自相关系数 First order autocorrelation 0.125 信噪比 Signal-to-noise ratio 14.31 样本总体代表性 Expressed population signal 0.94 样芯间相关系数 Correlations between cores 0.254