休宁县常绿阔叶林的类型及其群落物种多样性分析

Types of the Evergreen Broad-leaf Forest and Their Diversity Analysis of Community Species in Xiuning County of Anhui Province

探讨了休宁县境内的常绿阔叶林类型及其物种多样性 ,结果表明 ,休宁县常绿阔叶林可分为 6种类型 8个群落 ,不同类型常绿阔叶林中物种多样性变化较大 ;而在同一个群落中 ,其物种多样性表现为灌木层>乔木层 >草本层。

Xiuning County is situated at the southernmost area of Anhui Province.It is a transitional area from central subtropic to north subtropic.Its zonal vegetation is the evergreen broad leaf forest.The types of the evergreen broad leaf forest and their community species diversity characteristics in Xiuning County were discussed in this paper. The results showed that there are 6 types and 8 community of the evergreen broad leaf forest in Xiuning County. The species diversity index varies with the types of community. The species diversity index is shrub layer>tree layer>herb layer in the same community.The rich plant resources and some valuable local trees were very important to the comprehensive developments in the mountain areas.