华北落叶松、樟子松生长与气候因子的关联度分析

Grey correlation analysis between climatic factors and the growth of Larix principis-rupprechtii and Pinus sylvestris var.mongolica

运用灰色关联度方法分析了塞罕坝地区华北落叶松、樟子松生长与气候因子的相关关系，结果表明：水分因子是影响华北落叶松、樟子松直径、树高连年生长的主导气候因子，主要包括年平均相对湿度、年降水量、上年11月-当年1月平均蒸发量、上年6-8月份降水量。

The relation between climatic factors and the growth of Larix principis-rupprechtii and Pinus sylvestris vat. mongolica were analysed by using grey correlation method,The results showed that： Water factors is leading function in the growth of Larix principis-rupprechtii and Pinus sylvestris var. mongolica, which mainly includes annual average relative humidity,annual rainfall,average evaporation on november last year to january in the same year,average precipitation on june to august last year.