摘要
该文应用环境梯度分析的原理和方法，研究了山西省关帝山孝文峰自然景现在一定干扰情况下的植物群落空间分布格局、分类与环境梯度变化的相互关系；环境梯度与主要森林类型以生产力为基准的重要值的关系；计算了各群落的环境梯度指数。文中还讨论了梯度分析对植物群落的排序分类，用双重加权平均排序法将孝文峰植物群落划分为五类，即灌丛草甸、针叶林、落叶阔叶林、低中山针叶林、疏林灌丛农耕地，此研究为该区植被演替、更新、适地适树提供了理论根据。
By means of environmental gradient analysis,this paper deals with the classifi-cation and spatial patterns of plant communities in Peak Xiaowen of Guandi Mountains, andthe way in which they are related to environmental gradient.Based on duply weighted aver-age ordination,five types of plant communities are classified,i.e,shrub-grass-covered land,coniferous stand,deciduous broad-leaved stand,coniferous stand in lovver or middle moun-tains and sparse forest-shrub-cuItivated land. For each type of plant community,the enViron-mental gradient index and its relationship to the Important Value(productivity)of corre-sponding stand are calculated and described in detail.
出处
《北京林业大学学报》
CAS
CSCD
北大核心
1995年第4期36-43,共8页
Journal of Beijing Forestry University
关键词
环境梯度
梯度分析
植物群体
关帝山
environmental gradient,gradient analysis,index of Important Value,commu-nity ordination
