贵阳市两湖一库生态功能区植物入侵情况及防范措施

摘要

为了解贵阳市外来入侵生物情况,对红枫湖、百花湖和阿哈水库的主要入侵植物进行了调查.结果表明:贵阳市红枫湖、百花湖和阿哈水库生态功能区外来入侵植物有52种,隶属于20科.入侵种以菊科最多,为15种;其次是苋科和豆科,分别为4种和6种.有28种入侵种来源于美洲,其他种来源于欧洲、亚洲、非洲等地区.有入侵行为的39种外来植物大部分属于田间杂草.并针对入侵植物的种类组成、入侵途径及危害程度等提出了相应的防范措施.%Results from investigation of alien invasive plants in “two lakes and one reservoir” ecological functional area of Guiyang showed that there were 51 plant species belonging to 20 families in the area, 15,4,and 6 species of which belonged to Compositae,Amarantaceae and Leguminosae,respectively. 28 species of them originated from America and others from Europe,Asia and Africa. Most of the 39 alien plants were field weeds. The prevention measures were proposed aiming at the composition, invading way and extent of injury of alien invasive plants.