福建东山岛外来入侵植物调查与控制对策

采取线路调查与随机样方调查相结合的方法对东山岛外来入侵植物进行了调查分析,结果表明:东山岛现有植物种类总计约1 055种,其中本土野生植物632种,外来和栽培植物423种。423种外来和栽培植物中有外来入侵植物22科59种,种组成类以菊科最多,有16种,占27.1%;起源地以美洲最多,有45种,占76.3%;引入途径以无意引入最多,有32种,占54.24%。在分析外来入侵植物的来源、生境特点、入侵途径、生活型和危害性的基础上,提出了加强对外来入侵植物管理和控制的对策。

Study on Status and Management Strategy of Invasive Alien Plants on Dongshan Island in Fujian

With the methods of routine and sampling survey,the investigation about invasive plants on Dongshan Island was conducted.The results showed that there were 1055 kinds of plants existing on Dongshan Island,632 kinds of which were native wild plants,423 kinds were alien and cultivated plants,and there were 59 invasive plants among the alien and cultivated ones,belonging to 22 families,with Asteraceae accounting for the largest percentage of species composition of 27.1%,which has 16 species;45 species of invasive plants origined from America,accounting for the highest percentage of origin of 76.3%;most plants were introduced with no intention,which has 32 species,accounting for 54.24%.Based on the analysis of origin,habitat,way of introduction,harmfulness and life style of alien invasive plants on Dongshan Island,this paper proposed some management strategies to enhance the management of invasive plants.