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CHEN Xu, LIU Zongyue, XU Junjie, QI Xiangbin, YU Shuquan. Restoration characteristics of Phyllostachys edulis community after clear-cutting in Mount Tianmu[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210595
Citation: CHEN Xu, LIU Zongyue, XU Junjie, QI Xiangbin, YU Shuquan. Restoration characteristics of Phyllostachys edulis community after clear-cutting in Mount Tianmu[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210595

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Restoration characteristics of Phyllostachys edulis community after clear-cutting in Mount Tianmu

doi: 10.11833/j.issn.2095-0756.20210595
  • Received Date: 2021-08-25
  • Accepted Date: 2022-02-22
  • Rev Recd Date: 2022-02-19
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Restoration characteristics of Phyllostachys edulis community after clear-cutting in Mount Tianmu

doi: 10.11833/j.issn.2095-0756.20210595

Abstract:   Objective  The continuous expansion of Phyllostachys edulisin recent years has severely threatened the species diversity and ecosystem stability of the forest. Therefore, the research on the renewal and management of Ph. edulis forest has attracted extensive attention. The purpose of this study is to analyze the dynamic changes of species composition, tree species characteristics and species diversity in the natural restoration process of the community through clear cutting of Ph. edulis forest in Mount Tianmu, so as to promote the protection and restoration of species diversity.  Method  Based on the location monitoring data from 2018 to 2020 in the natural restoration process of Ph. edulis community after clear cutting in Mount Tianmu, the restoration characteristics of plant community, such as composition of family, genus and species, changes of dominant species, the functional characteristic composition of tree species and species diversity were studied.  Result  (1) The species composition was rich and varied sharply: 45 families, 86 genera, and 131 species were found in the arbor layer, 65 families, 137 genera, and 224 species in the shrub layer, and 45 families, 99 genera, and 135 species in the herb layer. Compared with 2018, there was little change in the arbor layer in 2020, but the number of species in the shrub layer and herb layer decreased rapidly, by 54.1% and 65.5%, respectively. (2) The dominant species in tree layer were deciduous species, and the absolute value of the annual average population size change rate of most dominant species exceeded 10%. The dominant species in shrub layer were Theaceae and Rosaceae. The dominant species in the herb layer were Cyperaceae and Gramineae. (3) After clear cutting, community was dominated by deciduous tree species, and the proportion of species and plants in the community was about 80% and 90% respectively. The proportion of species of different growth types and light-tolerant species had little change, but the number of plants of neutral and negative species increased significantly, withgrowth rates of 88.1% and 56.2% respectively. (4) The species diversity of tree layer had no significant difference with time and showed a slight upward trend. Shannon index and Margalef richness of shrub layer decreased significantly, and Pielou evenness increased significantly (P<0.05). Shannon diversity, Simpson Index and Margalef richness of herb layer decreased significantly, but Pielou evenness had no significant difference (P<0.05).  Conclusion  In the natural restoration process of Ph. edulis community after clear cutting, the species composition is rich and the restoration effect of species diversity is obvious. Therefore, clear cutting of Ph. edulis forest is a feasible method to restore and protect biodiversity in National Nature Reserveof Mount Tianmu, and can also be used to improve the ecosystem stability of the spreading area of subtropical Ph. edulis forest. [Ch, 10 tab. 35 ref.]

CHEN Xu, LIU Zongyue, XU Junjie, QI Xiangbin, YU Shuquan. Restoration characteristics of Phyllostachys edulis community after clear-cutting in Mount Tianmu[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210595
Citation: CHEN Xu, LIU Zongyue, XU Junjie, QI Xiangbin, YU Shuquan. Restoration characteristics of Phyllostachys edulis community after clear-cutting in Mount Tianmu[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210595
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