长白山北坡林线岳桦种群动态对气候变化响应的坡向分异
|
|
王晓东, 刘惠清
|
The Dynamics Response of Betula ermanii Population and Climate Change on Different Slopes Aspect of North Slope,Changbai Mountains
|
|
Xiao-dong WANG, Hui-qing LIU
|
|
| 表5 生态气候指标与对应年份内繁殖并且存活下来的岳桦棵数逐步回归分析 |
| Table 5 Stepwise regression between annual stem recruitment and ecological preferences |
|
| 东坡 | 灌丛状 | 东南坡 | 东坡 | 乔木状 | 东南坡 | | 东北坡 | 东北坡 | | 自变量 | x1 | | | | | -0.10 | | | x2 | -0.26 | -0.25 | | -0.23 | -0.29 | | | x3 | | | | | | | | x4 | 0.35* | 0.16 | 0.37* | 0.26 | 0.17 | 0.30 | | x5 | | -0.06 | | | | | | x6 | | 0.22 | | | | | | x7 | 0.11 | | | | | | | x8 | 0.26 | | 0.22 | 0.34* | 0.29 | 0.33* | | x9 | 0.21 | 0.08 | 0.19 | 0.24 | 0.23 | 0.36* | | x10 | 0.26 | | 0.25 | 0.26 | 0.17 | 0.34* | | x11 | 0.53** | 0.09 | 0.39 | 0.51** | 0.44** | 0.54** | | x12 | 0.56** | 0.57** | 0.59** | 0.45** | 0.34* | 0.46** | | x13 | 0.21 | 0.09 | 0.38* | 0.14 | | 0.31* | | x14 | -0.31 | -0.14 | -0.44** | -0.25 | -0.12 | -0.37* | 模型 检验 | y1 | 0.0001 | 0.0120 | 0.0001 | 0.0002 | 0.0023 | 0.0001 | | y2 | 1.3875 | 1.5347 | 1.0522 | 1.4012 | 1.2861 | 1.3336 |
|
|
|