一、植物资源保护的必要性我们要在本世纪末实现四个现代化,不仅要有可供持续开发利用的植物资源作为雄厚的物质基础,而且要有优良的自然环境作为四化建设条件。因此,保护植物资源和自然环境是关系到国家,民族的未来,关系到子孙后代的大事。过去由于盲目地毁林开荒,使野生植物资源遭受了空前浩劫,我国森林覆盖率仅占12. 7%,许多珍稀植物资源 I. The Necessity of Plant Resource Conservation We need to achieve the four modernizations by the end of this century. Not only do we have plant resources for sustainable development and utilization as a solid material foundation, but also an excellent natural environment as the four-nation construction conditions. Therefore, the protection of plant resources and the natural environment are related to the future of our country and our nation and the major event that affects future generations. In the past, due to blind deforestation and wasteland, wild plant resources suffered an unprecedented catastrophe, China’s forest coverage rate accounted for only 12.7%, many rare plant resources