开封地区主要外来入侵植物研究

对开封地区外来入侵植物的种类、来源地、入侵机制、危害和防治措施进行研究，结果表明，开封外来入侵植物共计24种，全部为草本，大部分原产美洲和欧洲；它们主要随人类活动传人，自身强大的繁殖能力、生态适应能力和传播能力以及本地环境条件的适宜性等使它们能够在本地自然繁衍和扩散；它们的入侵给开封的生态系统和农林业生产带来了一定的危害，在进行防控的同时，还应注意积极利用．

Study on the Invasive Alien Plant in Kaifeng

This paper discusses the invasive alien plants in Kaifeng based on investigating and referring to the related literatures, including their composition of flora, mechanism of invasion, harm , prevention and control , and so on .It is discovered that there are 24 species of invasive alien plant in the area , most of which come from America and Europe, along with various activities of humanity, whose wide distribution in Kaifeng is the integrated result of the powerful reproductive capacity, ecologic adaptability and spreading ability of themselves as well as suitable conditions here .These plants have brought about harm to farming and forest of Kaifeng , so we must take some active measures to control them and prevent others invading, meanwhile we try to use them as mach as we can.