湖南平江幕阜山云锦杜鹃群落特征的分析

Primary Studies of Rhododendron fortunei Community of Mufu Forest Park, Pingjiang, Hunan

就湖南省平江县幕阜山云锦杜鹃群落的结构特征和动态特征进行了调查分析,结果表明:群落结构保存较为完整,立木分布均匀;云锦杜鹃的相对多度、相对频度和相对显著度均处最高值,其重要值为96.8,是该群落的建群种;该群落中云锦杜鹃种群的数量最多,其基径级结构呈正态分布,说明其尚处在相对稳定发展阶段.该群落是地带性珍稀群落,具有保护、开发和利用价值.

<Abstrcat>An analysis has been made of the structural feature and dynamic characteristic of Rhododendron fortunei community in Mufu Mountain, Pingjiang County, Hunan Province. This community keeps a ralatively full structure and well-propotioned stumpage; it has the maximal relative abundance, frequence and prominence; its importance value is 96.8; and it is a constructive community. Through this analysis, we can conclude that Rhododendron fortunei community has the maximal amount among other communities, its trunk-level structure is in a positive distribution, and it is still in a period of steady progress. Because it is a zoned rare community, it is of high value for protection and exploitation.