摘要: |
通过野外调查,结合相关文献资料,发现广西目前有外来入侵植物约74种,隶属于57属26科,其中,菊科的种类最多,有19种,其次是禾本科,有10种。草本植物最多,占总数的78.4%。从来源看,大多来源于美洲。在广西,危害较为严重的外来入侵植物主要是紫茎泽兰、飞机草、银胶菊、凤眼莲等11种。此外,还进一步论述了外来植物在广西的基本特征和入侵成因,分析其在广西的发展状况,预测其可能入侵的区域,并提出了有关的防治对策。 |
关键词: 广西 外来植物 生物入侵 分布 |
DOI: |
分类号:Q948.13 |
Fund project: |
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The alien invasive plants in Guangxi |
TANG Sai-Chun, Lü Shi-Hong, HE Cheng-Xin,
LI Xian-Kun, PAN Yu-Mei, PU Gao-Zhong*
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Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, China
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Abstract: |
74 alien invasive plant species belonging to 57 genera and 26 families are identified and recorded in Guangxi at present based on field investigation and related literatures. Compositae is the most,which consists of 19 species,and Gramineae is the second comprising 10 species. Herbaceous plants are the most and make up 78.4%. Most of them originate from America. Among them,Eupatorium adenophorum,E.odoratum,Parthenium hysterophorus,Eichhornia crassipes ,etc. are most serious and harmful. Their basic characters,successful invasion and developing tendency in Guangxi are discussed and analyzed in this paper. Related prevention and controlling measures are also put forward. |
Key words: Guangxi alien plants biological invasion distribution |