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Bulletin of Botanical Research ›› 2011, Vol. 31 ›› Issue (1): 67-72.doi: 10.7525/j.issn.1673-5102.2011.01.012

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Characteristics of Osmunda vachellii Communities and Species Diversity from Mount Maluanshan in Shenzhen

SUN Yan-Jun;Mo Xian-Hua;XU Xiao-Hui;DING Ming-Yan;Liao Wen-Bo*;YE Chang-Jing   

  1. 1.The Urban Management Bureau of Shenzhen,Shenzhen 518049;2.State Key Laboratory of Biocontrol,School of Life Sciences,Sun Yat-Sen University,Guangzhou 510275
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-01-20 Published:2011-01-20
  • Contact: Liao Wen-Bo
  • Supported by:

Abstract: According to the field investigation and analysis of the Osmunda vachellii populations and communities from Mount Maluanshan in Shenzhen,the results indicated that:82 species of vascular plants, belonging to 48 families and 69 genera were found in the O.vachellii community,the floristic components of community was with an south subtropical property; The analysis for the age structure of the community showed that the main dominant species were stable populations,but the frequence index of community was A>B<C>D>E,which was different from the Raunkiaer’s frequency law,and was also different from those of montane rainforest of Hainan island; The percentage of tree height and individual number from O.vachellii population showed that those with a tree height 0.3-0.7 meters occurred a higher proportion,indicating the populations was in a bloom of development period;and the Simpson and Shannon-Wiener index of diversity is 16.42 and 4.56,while the evenness index for E and E′ is 0.33 and 0.83, respectively,which indicated the diversity and evenness index is closed to those of the climax community from typical subtropical evergreen broad-leaved forest. The study reveals the natural survival state of O.vachellii and provides protection and utilization data for O.vachellii.

Key words: Shenzhen city, Mount Maluanshan, Osmunda vachellii, community, species diversity

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