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Forest and Grassland Resources Research >

2023 , Vol. 0 >Issue 5: 63 - 71

DOI: https://doi.org/10.13466/j.cnki.lczyyj.2023.05.008

Scientific Research

Plant Diversity and Influencing Factors on Different Plant Community in Zengcheng Forest Farm

  • Zhuohong XIE ,
  • Peitong CHEN ,
  • Shipei FU ,
  • Anjun CHEN ,
  • Wei LI ,
  • Xinling LIANG ,
  • Min LEI ,
  • Ping LIU
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  • 1. College of Forestry and Landscape Architecture,South China Agricultural University,Guangzhou 510642,China
    2. Guangdong Lingnanyuan Survey and Design Co.,Ltd.,Guangzhou 510000,China
    3. Zengcheng Forest Farm,Guangzhou 511399,China

Received date: 2023-07-25

  Revised date: 2023-09-26

  Online published: 2023-12-20

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Abstract

Firstly,based on 50 standard survey data,TWINSPAN method was used to classify 50 standard communities into different community types.Secondly,the α-diversity and β-diversity of different community types were analyzed to determine the difference of plant diversity among different community types.Finally,using redundancy analysis,plant diversity and influencing factors of different plant communities in Zengcheng Forest Farm were explored.The results showed as follows:1)The plants in Zengcheng Forest Farm included 84 families,189 genera and 270 species,which could be divided into 10 plant communities,among which the dominant communities were "Ass.Machilus chinensis+Schima superba+Lophatherum gracile","Ass.Castanopsis fissa+Heptapleurum heptaphyllum+Psychotria asiatica" and "Ass.Cunninghamia lanceolata+Schima superba+Lophatherum gracile".2)There were significant differences in α-diversity among different plant community types.The α-diversity was the most abundant in the community of "Ass.Mallotus paniculatus+Heptapleurum heptaphyllum+Blechnopsis orientalis" and the community of "Ass.Cunninghamia lanceolata+Schima superba+Lophatherum gracile",followed by the community of "Ass.Machilus chinensis+Schima superba+Lophatherum gracile",and the community of "Ass.Eucalyptus grandis x urophylla+Microstegium vimineum" was the simplest.Compared with other communities,the average β-diversity index of the community of "Ass.Machilus chinensis+Schima superba+Lophatherum gracile" was the highest,indicating the least interspecific competition and the strongest community stability.3)Stand cover and dominant tree species had significant effects on plant diversity,while stand density and altitude had significant effects on plant diversity.In summary,the comprehensive plant diversity of "Ass.Machilus chinensis+Schima superba+Lophatherum gracile" was the best.By adjusting the stand density of the dominant tree species to optimize the stand structure,the stand can be transformed in the direction of "Ass.Machilus chinensis+Schima superba+Lophatherum gracile" in forest management activities,so as to further enrich the plant diversity and enhance the system stability.

Key words： plant community; plant diversity; quantitative classification; redundancy analysis; Zengcheng Forest Farm

Cite this article

Zhuohong XIE , Peitong CHEN , Shipei FU , Anjun CHEN , Wei LI , Xinling LIANG , Min LEI , Ping LIU . Plant Diversity and Influencing Factors on Different Plant Community in Zengcheng Forest Farm[J]. Forest and Grassland Resources Research, 2023 , 0(5) : 63 -71 . DOI: 10.13466/j.cnki.lczyyj.2023.05.008

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