Studies on Species Composition and Diversity of Phoebe bournei-Cinnamomum camphora Plantation in Guangzhou
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    Abstract:

    In order to understand the relationship between community structure with species diversity of artificial mixed forest, the community structure of Phoebe bournei-Cinnamomum camphora mixed plantation in Longyandong Forest Farm in Guangzhou was analyzed. The results showed that there were 128 species 9 563 plants in 0.37 hm2 quadrat, belonging to 57 families and 99 genera, in which there were 35 tree, 61 shrub, and 98 herb species. In tree layer, the species with importance value at top 5 were Triadica cochinchinensis (33.86%), Phoebe bournei (17.24%), Triadica cochinchinensis (12.96%), Melicope pteleifolia (7.92%), and Litsea pungens (3.70%), the shrub layer was dominated by Rubiaceae, and did the herb layer by Poaceae. The Shannon-Wiener indexes of tree, shrub and herb layers were 1.230, 1.708, and 1.754, respectively, and the Simpson indexes were 0.635, 0.680, and 0.707, indicating that artificial mixed forest was rich in herbaceous species. The non-metric multidimensional scale (NMDS) analysis showed that the similarity of species composition was not consistent in different plots, and some plots contained occasional species. The diameter class structure of the community showed an inverted "J" type, of which 11.64% were seedlings, and saplings, small trees, strong trees and large trees account for 6.08%, 55.34%, 25.28%, and 0.70%, respectively. Therefore, it was suggested that the Phoebe bournei-Cinnamomum camphora mixed plantation was still in the early successional stage.

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程欣欣,洪维,邓双文,魏雪莹,张干荣,冯蔚,郭勇,叶华谷,王发国.广州闽楠-樟人工混交林物种组成与多样性研究[J].热带亚热带植物学报,2022,30(2):233~240

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  • Received:April 25,2021
  • Revised:July 13,2021
  • Online: March 30,2022
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