广东银瓶山森林公园浙江润楠群落结构与物种多样性研究

广东银瓶山森林公园浙江润楠群落结构与物种多样性研究
黄练忠;张尚坤;陈进;熊基粦
【期刊名称】《广东林业科技》
【年(卷),期】2013(029)001
【摘要】We analyzed physiognomy, structure, floristic composition and species diversity of a Machilus chekiangensis community in Yinpingshan Forest Park in Donguan, Guangdong, by field investigation of a 1 600 m2 plot. Results are as follows: There were 107 vascular species belonging to 85 genera and 58 families. The community was mainly dominated by M. chekiangensis. The age structure indicated M. chekiangensis population may be in recovering after disturbed. The community was characterized by microphanerophytes with microphylls and meso-phylls, simple and papery leaves. According to the Raunkiaer Frequency Law, species in 1 % ~ 20% occurrence frequency dominated the community (56.07% ). The vertical structure of the community was composed of Tree layer , shrub layer, herb layer and interstater plants (as liana layer). Analysis on four species diversity indices showed different trend curves, in which Margalef richness index: shrub layer > tree layer > herb layer > liana layer; Simpson index; shrub layer > tree layer > liana layer > herb layer; Shannon-Wiener index; shrub layer > tree layer > liana layer > herb layer; Pielou index; liana layer > shrub layer > herb layer > tree layer.%通过样方调查,对广东银瓶山森林公园的浙江润楠(Machilus chekiangensis群落的群落特征和物种多样性进行分析.结果
表明:(1)在1 600 m2的样地内共有维管束植物58科85属107种；(2)群落以浙江润楠为建群种,优势地位明显；年龄结构显示其种群可能处于受干扰后的恢复阶段；(3)群落植物以小高位芽植物为主,叶以单叶、纸质、全缘叶、中小型叶为主；按Raunkiaer标准,群落内的种群频度为1％～20％的种类占优势；(4)群落成层现象明显,可分为乔木层、灌木层、草本层及藤本层,对群落物种多样性分析发
现,Margalef指数的大小顺序为:灌木层＞乔木层＞草本层＞藤本层,Simpson指数和Shannon-Wiener指数的的大小顺序均为:灌木层＞乔木层＞藤本层＞草本层,Pielou指数的大小顺序为:藤本层＞灌木层＞草本层＞乔木层.
【总页数】6页(P16-21)
【作者】黄练忠;张尚坤;陈进;熊基粦
【作者单位】广东省东莞市银瓶山森林公园管理处广东东莞 523641
【正文语种】中文
【中图分类】S718.54+2
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