Home > Archive>Volume 21, Issue 6, 2013 >496-504. DOI:10.3969/j.issn.1005-3395.2013.06.002
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Species Diversity and Dominate Population Dynamics of Triadica rotundifolia Community in Qingxin and Yangshan Counties, Guangdong
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Affiliation:

College of Forestry, South China Agricultural University,College of Forestry, South China Agricultural University,College of Forestry, South China Agricultural University,College of Forestry, South China Agricultural University,College of Forestry, South China Agricultural University

Clc Number:

S718.54

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    Abstract:

    Triadica rotundifolia is a common species of secondary forest in limestone region. In order to understand the dynamic changes of T. rotundifolia community in limestone region, the species diversity and population structure of T. rotundifolia community in Qingxin and Yangshan Counties, Guangdong Province, were studied by plot method. The results showed that there were 140 vascular plants in two plots with a total area of 4800 m2, belonging to 65 families and 118 genera. The dominant families were Euphorbiaceae, Rubiaceae, Rutaceae, Moraceae and Oleaceae. Among them, the tropical distribution elements at genus level were dominate accounting for 79.6%, and then 18.3% for temperate distribution elements. The species richness, species diversity and evenness of T. rotundifolia community in Qingxin were higher than those in Yangshan, except for evenness of herbal layer. T. rotundifolia population in Qingxin is unstable owing to lack seedlings and small individuals, while T. rotundifolia population in Yangshan is young comparatively with abundant small trees. With succession of the community, the dominance of T. rotundifolia in community would be replaced by other shade-tolerant species.

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Get Citation

徐瑞晶,黄川腾,周雪刚,邹龙海,唐光大,庄雪影.清新和阳山县圆叶乌桕群落物种多样性和优势种群动态探讨[J].热带亚热带植物学报,2013,21(6):496~504

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History
  • Received:March 26,2013
  • Revised:May 06,2013
  • Adopted:June 18,2013
  • Online: November 17,2013
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