长白山东坡不同海拔长白落叶松径向生长对气候变化的响应
|
于健, 徐倩倩, 刘文慧, 罗春旺, 杨君珑, 李俊清, 刘琪璟
|
Response of radial growth to climate change for Larix olgensis along an altitudinal gradient on the eastern slope of Changbai Mountain, Northeast China
|
YU Jian,XU Qian-Qian,LIU Wen-Hui,LUO Chun-Wang,YANG Jun-Long,LI Jun-Qing,LIU Qi-Jing
|
|
表2 年表的统计参数及公共区间分析结果 |
Table 2 Statistics of ring-width chronologies and common interval analysis |
|
统计特征 Statistic characters | 低海拔 Low altitude | 高海拔林线内 Upper altitude below timberline | 高海拔林线外 Upper altitude above timberline | 公共区间 Common intervals | 1882-2010 | 1946-2006 | 1969-2008 | 平均值 Mean | 0.997 | 0.974 | 0.954 | 平均敏感度 Mean sensitivity | 0.19 | 0.28 | 0.29 | 标准偏差 Standard deviation | 0.18 | 0.24 | 0.24 | 一阶自相关 First order autocorrelation | 0.10 | -0.01 | -0.06 | 树间相关系数 Correlation between trees | 0.42 | 0.57 | 0.54 | 信噪比 Signal-to-noise ratio | 30.90 | 40.28 | 28.89 | 样本总体代表性 Expressed population signal | 0.97 | 0.98 | 0.97 | 第一主成分方差解释量 Variation in first eigenvector (%) | 44.19 | 58.30 | 56.07 |
|
|
|