外来入侵生物的危害与管理对策

随着国际贸易往来和旅游业的发展，生物入侵在我国不断加剧，已经成为威胁我国生物多样性与生态环境的重要因素之一。外来入侵种的生态代价是造成本地物种多样性不可弥补的消失以及物种的灭绝，其经济代价是农林牧渔业产量与质量的惨重损失与高额的防治费用。本文探讨了外来入侵生物的概念及其在我国的危害特点和状况，提出了外来入侵生物的预防及管理的一般对策。

Damage of Invasive Species and Its Management Strategy

Along with the development of international commerce and tourism,the biological invasion in China is getting more and more severe,and it has become one of the most important factors that interfere with biological diversity and ecological environment.The ecological price of the invasive species is the decrease and even extinct of the local species,its economic price is the reduction of the quantity and quality of the farm produce,plus the high cost of its prevention and cure.The articles discussed the concept of the invasive species and the characteristics and status of its damage,and put forward the countermeasures of prevention and cure of the invasive species.