| 摘要: |
| 通过实地调查和文献整理，初步确认中山有外来入侵植物81种，隶属于30科63属，其中以菊科的种类最多，有18种。外来入侵植物来源于世界各地，以来源于美洲居多，有64种，占79.0％。入侵植物以草本植物为主，有57种，占70.4％。外来入侵植物主要通过有意引入和无意传入等方式入侵中山。它们的入侵，特别是一些恶性杂草的入侵，给中山农业、林业、人民健康以及生态环境带来巨大的负面影响。加强对外来入侵植物的调查和评估，恢复当地植被和物种的多样性，开展有害生物风险分析是防范外来入侵植物的有效途径。 |
| 关键词: 入侵植物 传入途径 管理对策 中山市 |
| DOI： |
| 分类号: |
| 基金项目:广东中山市科技项目（2005A149） |
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| An investigation on the invasive plants in Zhongshan, GuangDong Province |
|
Jiang Qiancai
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| Abstract: |
| There are 81 species of invasive plants belonging to 63 genera in 30 families in Zhongshan, GuangDong Province．The most abundant family is Compositae involving 18 species. The plants are all from aboard and 64 species （79.0％）are mainly from America. There are 57 species of herb amounting to 70.4％ of the total species. The plants almost were introduced intentionally or unconsciously. They, especially poisonous or virulent weeds, have produced large negative effects on agriculture, forestry, human health and ecological environment in Zhongshan．The effective approaches to defend against invasive plants are as follows: to invesitgate and evaluate invasive species, to recover native vegetation and species diversity, to implement risk analysis of invasive plants. |
| Key words: Invasive plants,Invasion approaches,Management strategy,Zhongshan city |
