Floristic Analysis on the Introduced Plants in Beijing

Abstract

Abstract: In order to define the actuality and flora characters of the introduced plants in Beijing, based on the feedbacks of the questionnaires and field survey, this article analyzed their components and spatial distribution patterns.The results showed that there are 965 species(including the varieties) of introduced plants in Beijing, belonging to 86families and 179 genera, among which 134 species are from the other countries, occupying 38% of the flora in Beijing. The introduced species are mainly distributed in North Temperate, East Asia &North America and Pantropic zones, and the distribution patterns of families are characterized by Cosmopolitanand Pantropic.The obvious dominant families have 197 species, occupying 55.97% of the total.The introduced plants in Beijing are mostly used for the landscape (61%) and ecological protection (16%).Haidian District, Chaoyang DistrictandChangping District take the advantage of the introduced plants in the spatial distribution.

Key words: introduced plants, flora, Beijing Municipalty

CLC Number:

Q948.5

JI Huiying, LIU Yanhong. Floristic Analysis on the Introduced Plants in Beijing[J]. FOREST RESOURCES WANAGEMENT, 2009, (3): 42-46.

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