AJPS  Vol.7 No.17 , December 2016
Study on Plant Diversity of Mountain Areas of Yangmeikeng and Chiao, Shenzhen, China
Abstract: In this study, Yangmeikeng mountain area with a long-term natural restoration status (communities 1, 2, and 3) and Chiao mountain area with an artificially disturbed status (communities 4 and 5) in Shenzhen in China were subjected to plant community composition and diversity statistical analysis on the basis of the following indices: plant height; density; tree layer DBH; coverage; number of family, genus, and species; calculated diversity indices; richness; similarity coefficients of family, genus and species; and species evenness. The diversity levels of each index in each community were compared, and the relationships of family, genus, and species in the communities with one another were determined. The integrated diversity levels in the two areas were also analyzed. Results showed that the composition status of three communities, especially communities 2 and 3, which were located at high elevation, in Yangmeikeng with the long-term natural restoration status was better. The diversity values were also evidently higher. The vegetation composition in Yangmeikeng was also greater than that in Chiao. The integration status of numerous diversity indices, such as evenness and richness, was higher than that of the latter. These data could be used as a basis for arguments regarding the status of natural and artificial forest biodiversities. Many species in the community in artificial forests were shrubs and herbs. The richness and proportion of tree species were distinctly low. Thus, shrubs and herbs were the main components of the artificial interference community. The number and richness of the tree species in natural or long-term natural restoration forests were higher than those of the former. The family diversity Df of the three communities in Yangmeikeng was slightly lower than that of the two communities in Chiao. By contrast, the genus diversity Dg, family richness, and genus richness in Yangmeikeng were higher than those in Chiao. In terms of α-diversity and similarity coefficient, family, genus, and species were not directly related to one another. Therefore, species, genus, and family composition should be combined with their diversity status in the statistical and biodiversity analysis of a community. Synthetic diversity indices should be further analyzed to evaluate the diversity status of a community objectively.
Cite this paper: Liang, H. , Huang, Y. , Lin, S. , Zhao, K. , Zou, Y. , Yu, X. , Yang, L. , Xu, W. , Ming, Z. and Zhou, Z. (2016) Study on Plant Diversity of Mountain Areas of Yangmeikeng and Chiao, Shenzhen, China. American Journal of Plant Sciences, 7, 2527-2552. doi: 10.4236/ajps.2016.717220.

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