【摘要】 通过10个样地的调查资料,分析了秦岭中段天然铁杉林的种类组成、多样性以及结构和演替趋势。用群落相似系数排队和聚类分析方法把铁杉林划分为4个类型,并通过主成分排序研究,指出湿度和坡向是铁杉林群落的环境制约因子。更多还原

【Abstract】 Analyses species composition, diversity, structure and succession tendency of natural Chinese hemlock (Tsuga cliinensis) community in middle part of Qinling mountains. 4 community-types were classified by methods of community similarity coefficients and cluster analysis. Research on principal component analysis showed that the environmental controlling factors of Chinese hemlock community are slope exposure and moisture.更多还原