摘要
河南的外来入侵植物有34种,隶属17科29属,其中水生植物1种,陆生植物33种。美洲的植物种类最多,达27种,占总种数的79.4%。作为蔬菜、花卉和药用植物等引进的有23种,随人工引种带入或自然扩散无意引进的有11种。外来入侵植物具有一定的危害性,主要体现在4个方面:破坏生态系统的结构和功能、加快物种多样性的丧失、严重危害农林业生产、严重危害经济发展。
There are 34 species of exotic invasive plants, 17 families and 29 genera are identified in Henan province. There are one species of hydrophyte and 33 species of terricolous among them. Plants from America are 27 species ,accounting for 79.4 %of the total number. 23 species are fetched in intentionally as vegetable, flower and plant of drug. 1 lspecies are fetched in accidentally by manpower or natural pervasion. Exotic invasive plants are harmful and widespread. They are four aspects of harmness :destroying structure and function of ecosystem, making species diversity decrease,being harmful to agriculture and forestry production severity and economic development.
出处
《重庆科技学院学报(自然科学版)》
CAS
2008年第2期158-160,共3页
Journal of Chongqing University of Science and Technology:Natural Sciences Edition
基金
河南省基础与前沿技术研究计划项目(072300430200)
关键词
外来入侵种
入侵植物
生态系统
exotic invasive species
invasive plants
biogeocenose