湖南阳明山毛竹林群落特征
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颜玉娟,女,1968年生,在职博士研究生.研究方向:园林植物学、植物景观设计. E-mail: csyanyujuan@126.com

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国家林业公益性行业科研专项(200804033)资助


Phyllostachys pubescens Community Characteristics in Yangmingshan Mountain,Hunan
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    摘要:

    利用样地法,研究了湖南省阳明山国家森林公园毛竹林群落特征。结果表明:阳明山毛竹林主要有毛竹纯林群落、甜槠+毛竹群落、毛竹+马尾松群落和毛竹+南方红豆杉群落4种类型,其中毛竹纯林群落占地面积最大;组成该毛竹林群落主要有46种植物,隶属41属26科8个地理分布型,温带分布的属(51.2%)略高于热带分布的属(48.8%)。群落结构较简单,乔木层以毛竹单优种为主。群落的生活型以高位芽(63.04%)为主,叶的性质以中型叶、单叶、革质叶、全缘叶为主。不同毛竹林群落的丰富度指数、多样性指数、平均树间距不同。通过径级和龄级分析表明:阳明山毛竹林属衰退型。

    Abstract:

    Based on sample plots,Phyllostachys pubescens community characteristics inYangmingshan National Forest Park were analyzed.Results showed that there are four community types,pure Phyllostachys pubescens forest,Castanopsis eyrei+Phyllostachys pubescens forest,Phyllostachys pubescens+Pinus massoniana forest and Phyllostachys pubescens+Taxus chinensis var mairei forest.Pure Phyllostachys pubescens forest is the largest in area.There are 46 species,belonging to 41 genera,26 families,8 geographical distribution types.Ratio of temperate genera (51.2%) is slightly higher than that of the tropical (48.8%).The community structure is relatively simple,Phyllostachys pubescens is the single dominant species.The lifeform of Phyllostachys pubescens community is composed of phaenerophytes,and leaves are mainly mesophyll,simple,coriaceous,entire leaf.Different Phyllostachys pubescens community types have different richness index,diversity index and average spaces between trees.Results of analysis on the level of diameter and age showed that Phyllostachys pubescens community in Yangming Mountain is declined.

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颜玉娟,赵虎,杨倩,谢碧霞.湖南阳明山毛竹林群落特征[J].华中农业大学学报,2010,29(3):375-380

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  • 收稿日期:2009-07-16
  • 最后修改日期:2010-01-27
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