重庆外来入侵植物调查研究

经多年调查积累和资料查阅,发现重庆市有外来入侵植物46种39属21科.其中具有严重危害性植物3种(空心莲子草、凤眼莲和红花酢浆草),较严重危害性植物6种,一般影响植物37种.重庆已发现紫茎泽兰,应尽早清除,否则后果严重.同时简略讨论了外来入侵植物的入侵过程,危害作用,控制清除方法.

Investigation and Study on the Alien Invasive Plants in Chongqing

Based on long-term field investigation and literature compilation, it is found that Chongqing region has 46 alien invasive plant species, belonging to 39 genera and 21 families. Among them, 3 species (Alteranathera philoxeroidis, Eichhornia crassipes, Oxalis corymbosa) have caused very serious negative consequences, 6 species result in significant negative effects, and 37 species have slight impacts. Eupatorium adenophorum is found in Chongqing region recently, measures should be taken to control the expansion of this species. In this paper, the invasion process, invasion consequences of invasive plants and possible control measures for them are discussed.