Characteristics and Diversity of Litsea monopetala community in Ilha Verde Hill, Macao

FOREST RESOURCES WANAGEMENT ›› 2009›› Issue (4): 54-60.

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Characteristics and Diversity of Litsea monopetala community in Ilha Verde Hill, Macao

LIANG Guanxin^1,2, ZHENG Xilong^1,2, WANG Faguo¹, XING Fuwu¹, ZHANG Sumei³, PAN Yonghua³

1. South China Botanical Garden, the Chinese Academy of Sciences, Guangzhou 510650, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
3. Civic and Municipal Affairs Bureau of Macao Special Administrative Region, CP3054, Macao, China

Received:2009-04-13 Revised:2009-06-08 Online:2009-08-28 Published:2020-12-16

Abstract

Abstract: The characteristics and species diversity of the Litsea monopetala community in Ilha Verde Hill of Macao were studied. Based on data from 1100 m² plot. 47 species in 42 genera and 27 families of vascular plants were found. The floral composition of the community was divided into 9 areal types, and tropical elements predominated. The appearance of community was characterized by everygreen phanerophytes plants with mesophyll,entire and single leaf. The diameter classes of dominant populations implicated that the community dominated by Litsea monopetala may remain constant, while the amount of Terospermum heterophyllum and Sterculia lanceolata may increase. The horizontal spatial patterns of 3 dominance populations conform to aggregated distribution. The species diversity of the community is relatively poor with Magarlef index at 4.9072, Shannon－Wiener index at 0.8742, Simpson index at 1.1641 and Pielou index at 0.3024. Species diversity comparison with 3 communities of adjacent regions indicated that the value of arbor-shrub layer species Shannon-Wiener index was lower than that of Endospermum chinense community in Hong Kong, Cryptocarya chinensis community in Dinghushan Natural Reserve and Schefflera heptaphylla community in Nanshan District Shenzhen City, owing to its insularity, dominant populations and invasive species. This situation suggested that some necessary measures should be taken to restore the diversity in Litsea monopetala community.

Key words: Litsea monopetala community, Ilha Verde Hill, Macao

CLC Number:

S718.5

LIANG Guanxin, ZHENG Xilong, WANG Faguo, XING Fuwu, ZHANG Sumei, PAN Yonghua. Characteristics and Diversity of Litsea monopetala community in Ilha Verde Hill, Macao[J]. FOREST RESOURCES WANAGEMENT, 2009, (4): 54-60.

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Characteristics and Diversity of Litsea monopetala community in Ilha Verde Hill, Macao

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