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林业资源管理 ›› 2009›› Issue (3): 42-46.

• 科学技术 • 上一篇    下一篇

北京市引进植物的区系分析

季慧颖1, 刘艳红2   

  1. 北京林业大学 省部共建森林培育与保护教育部重点实验室,北京 100083
  • 收稿日期:2009-03-10 修回日期:2009-04-28 出版日期:2009-06-28 发布日期:2020-12-16
  • 通讯作者: 刘艳红(1965-),女,副教授,主要研究方向为景观生态及林火生态和城市生态。Email:liuyh0710@sohu.com
  • 作者简介:季慧颖(1985-),女,在读硕士,主要研究方向为城市生态。Email:jihuiying-27@163.com
  • 基金资助:
    北京市科技计划项目“北京市重要植物种质资源调查、评价研究”(Z0850602970801)

Floristic Analysis on the Introduced Plants in Beijing

JI Huiying1, LIU Yanhong2   

  1. The Key Lab of Silviculture and Forest Conservation of Ministryof Education, Beijing Forestry University, Beijing 100083, China
  • Received:2009-03-10 Revised:2009-04-28 Online:2009-06-28 Published:2020-12-16

摘要: 通过问卷和野外调查,对北京市引进植物的组成、地理区系及空间分布进行了统计分析。结果表明:1)北京市引进植物共有965种(包括品种),隶属于86科,179属,其中境内引进植物占总数的62%,境外引进植物占总数的38%,中国特有种8个;2)引进植物属的区系分布以北温带分布、东亚和北美间断分布及泛热带分布为主,科的区系分布多以世界分布、泛热带分布为主;3)优势科为蔷薇科、豆科、禾本科、菊科等9个,占总种数的55.97%;4)北京市引进植物有61%用于风景观赏,有16%生态防护与风景观赏并用;5)空间分布以海淀区、朝阳区、昌平区引进植物种类较多,主要分布在公园和苗圃。

关键词: 引进植物, 植物区系, 北京市

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

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