维护我国生态安全,防范外来物种入侵的几点思考

随着全球经济一体化,国际贸易和旅游业的快速发展,外来物种入侵现象日益加剧,对我国生态安全和生物多样性保护构成了极大的威胁,加强外来入侵物种的防范和管理已迫在眉睫。本文分析了我国外来物种入侵的途径、入侵特征以及外来入侵物种对我国造成的危害,探讨了防范外来入侵物种的对策。

Precaution against Risk of Alien Invasive Species for Ensuring Ecological Security

In the wake of the gradual expansion of international trade and exchange,alien species invasion rate has been greatly increasing.Corresponding,the intrusion of alien species has posed a great threat to the diversity of living things worldwide and it has affected ecological security badly.Therefore,the intrusion of alien species has been attached more and more importance to all over of world.In China,along with the influence of world economy and trade development with high speed,the invasion of alien species has constituted enormous threat to biodiversity and ecological security.In the meantime,the alien species invasion has resulted in grave economic losses and ecosystem obstruction.For the protection of ecological environment and biodiversity,the guarantee of the ecological security and the maintenance of sustainable development,it is very urgent and essential to prevent and control alien species.This paper analyzes the characteristic and the invasive way of alien species in China,studies the damage caused by them,and discusses prevention and integrated control strategies,which provide an insight to assist with the design of effective politics.