The Characteristics of Fungshui Woods Pygeum topengii-Endospermum chinense Community in Fenggang Town, Dongguan City
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    Abstract:

    The characteristics of fungshui woods Pygeum topengii-Endospermum chinense community in Fenggang Town, Dongguan City, Guangdong Province were studied. The results showed that the P. topengii-E. chinense community belonged to a representative restoration type of the lowland evergreen broad-leaved forest in southern subtropical China. It was found that there were 64 species of vascular plants belonging to 56 genera and 39 families in 20 plots of 2 000 m2, and the floristic components are dominated by Tropical and Subtropical types (94% of the total genera). P. topengii, E. chinense, Aporosa dioica, Machilus chekiangensis and Microdesmis caseariifolia are the dominant tree species. The physiognomy of the community was evergreen, and the life form was dominated by phanerophytes (67.19%). Vertical stratification of community is conspicuous, and can be divided into tree layer, shrub layer, herb layer and liana and epiphyte layer. The species diversity of the community is relatively high with the Margalef richness index of 6.8354, the Shannon diversity index of 3.8874, and the Pielou evenness index of 0.6479. The diversity pattern of Shannon diversity index in order of tree layer > shrub layer > liana > epiphyte layer > herb layer. The age structure, spatial distribution pattern and interspecific covariation of 10 dominant tree populations in P. topengii-E. chinense community were analyzed, it indicated that there was a change trend in the distribution pattern of dominant tree populations from aggregation to random during the stage of progressive succession. Moreover, the interspecific correlation relationship tended towards weakening among the dominant tree populations.

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吕浩荣,刘颂颂,叶永昌,朱剑云,莫罗坚,陈红跃.东莞凤岗镇臀果木-黄桐风水林群落特征分析[J].热带亚热带植物学报,2009,17(2):137~145

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History
  • Received:April 24,2008
  • Revised:November 02,2008
  • Adopted:November 28,2008
  • Online: March 18,2009
  • Published: