湖北省外来入侵植物研究

通过实地调查和查阅文献,研究了湖北省外来入侵植物的种类、原产地、生活型等。结果表明:当前湖北省共有外来入侵植物114种,隶属于28科,其中,在外来入侵植物中,菊科最多(34种),占总数的29.8%;豆科次之(14种);禾本科排第3位(11种)。从入侵湖北省的外来入侵植物总体构成来看,以来自美洲的外来植物种类最多(66种),占57.9%,其次为欧洲(29种),占25.4%,亚洲和非洲较少。笔者还对湖北省外来植物的入侵现状进行了讨论。

Study of Alien Invasive Plants in Hubei Province

Based on field investigation and related literatures,the specials,original places,life forms of alien invasive plants in Hubei Province were studied.The result showed that there were 114 species of alien invasive plants belonging to 28 families.The most abundant family was compositae involving 34 species,accounting for 29.8% of the total invasive plants,followed by Leguminosae（14 species） and gramineae（11 species）.The most abundant varieties were from America involving 66 species,accounting for 57.9% of the total invasive plants,followed by Europe（29 species） accounting for 25.4%,the less was Asia and Africa.The authors has analyzed the situation of invasion of the alien invasive plants in Hubei.