大米草与外来生物入侵

Rice Grass and Outside Living Beings Invading

我国是一个生物灾害危害严重、生态环境脆弱的农业大国, 外来有害生物的入侵加剧了这一矛盾。本文通过介绍大米草的形态学、生态学特征及其危害, 阐述外来有害生物入侵给我国生态环境、生物多样性造成的巨大危害, 对社会经济造成的严重损失; 总结了生物入侵的预防、控制策略和方法。

China is a large agricultural country with serious ecological calamity and fragile ecological environment. The harmful outside living beings invading aggravates this contradiction. By introducing the morphological and ecological characteristics and perniciousness of rice grass, the thesis elaborates great perniciousness of outside living beings invading to the ecological environment and biological variety, and the enormous losses in social economy. It also sums up the prevention and controlling strategies and methods of the outside living beings invading.