外来入侵物种对南北盘江及红水河流域民生和生态的影响研究

Influence of Invasive Alien Species on People’s Livelihood and Ecology in North & South Pan River and Hongshui River Valley

通过对南北盘江及红水河流域外来物种的研究发现,该区域有入侵物种110种,占全省种类的84.61%。其中列入国家林草局林业检疫性有害生物的有4种,即松材线虫、红棕象甲、薇甘菊、红火蚁;列入环保部外来入侵物种名单的种类共有33种;紫茎泽兰、飞机草、空心莲子草等的发生面积达到37.07万hm 2,占全省外来有害生物发生面积的85.20%。松材线虫、红火蚁、紫茎泽兰等外来入侵物种,在流域内造成了重大的经济损失。

Based on the study of alien species in North&South Pan river and Hongshui river valley,110 invasive alien species were found,accounting for 84.61%of the total species in the province.Among them,4 species were listed in the forest quarantine pests of the State Forestry and Grass Administration,i.e.Bursaphelenchus xylophilus,Rhynchophorus ferrugineus,Mikania micrantha,Solenopsis invicta;33 species were listed in the list of invasive alien species of the Ministry of Environmental Protection;The occurrence area of Eupatorium adenophorum,Eupatorium odoratum,and Alternanthera philoxeroides reached 370700 hm 2,accounting for 85.20%of the occurrence area of alien pests in the province.Invasive alien species such as Bursaphelenchus xylophilus,Solenopsis invicta and Eupatorium adenophorum had caused great economic losses in the basin.