摘要
在我国整个榛属分布区内机械布设５２个样区，以榛属在各区内分布的种数得分及对应的环境气候指标，对榛属内种的分布与气候因子的关系进行了定量研究，获得了数学模型．结果表明：榛属内种的分布受气候因子的综合作用，其主导因子为降水量，呈紧密负相关；其次为温度，呈弱的正相关．据此认为，在榛子的引种工作中首先应重点考虑的气候因子是引种区环境的湿润状况。
A quantitative research of relation between distribution of species in genus Corlyus and climatic factors is carried out and a mathematical model is obtained. The original data of distribution score and climatic factors are obtained from 52 sampling areas which are arranged mechanically in distribution area of genus Corylu of China. The results showed: the distribution in genus Corylus is influenced by climatic factors, the main factor is annual mean precipitation, second is annual mean temperature. So, the most important climatic factor in introducing and cultivating hazel is humid environment in intnducing variety area, the second is tem perature,
基金
国家自然科学基金
关键词
榛属
分布
气候因子
引种
榛属内种
榛子
Corylus, Distribution, Climatic factors,Introducing variety
