New Materials of Alien Plants in Beijing | 北京市外来入侵植物新资料
2009
Lin Qinwen, Beijing Forestry University,Beijing(China), College of Biologeial Sciences and Biotechnology | Xing Shaohua, Beijing Forestry University,Beijing(China), College of Nature Conservation | Ma Kun, Beijing Forestry University,Beijing(China), College of Nature Conservation
Chinese. 经过实地调查和对已有文献资料的对比分析，确认3种植物为北京市的分布新记录，且均为外来入侵植物，即无瓣繁缕Stellaria a petala Ucria ex Roem．，大狼把草Bidens frondosa Linn．，光梗蒺藜草Cenchrus calyculatus Cav．，对其特性及入侵情况进行简要介绍。此外，还介绍北京市19种正在扩散的外来人侵植物和7种严重入侵的外来植物，并对其扩散性及分布现状进行简要评论。以期能够引起对这些入侵种的重视，以便及时采取有效的控制措施。[著者文摘]
Show more [+] Less [-]English. According to the investigation and the reports, there are 3 species which are new records of distribution and new alien plants in Beijing. They are Stellaria apetala Ucria ex Roem. ,Bidens frondosa L. and Cenchrus ealyculatus Cav. Their character and invasion status were given. At the same time, there were 19 alien plants which were invading, and 7 alien plants which had invaded, the invasion status and the distribution of these species were given. It should be paid attentions on these plants.
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