一、保护物种刻不容缓植物是生命的源泉,是大自然赋予人类的宝贵财富,它作为生态系统中的第一性有机物质生产者,为比其自身多10—30倍的异养生物提供必需的食物。宝贵的植物资源不仅是人们生活的物质基础,而且构成了人类赖以生存的环境,维持着生态系统的平衡。可是,本世纪以来,由于人口猛增,各行各业加速发展以及社会消费不断增长,人类为了谋求经济发展,在享受自然资源的同时,因不合理利用植物资源,破坏了生态平衡,植物资源面临枯竭;大 First, the conservation species urgently Plant is the source of life, nature is endowed with humanity’s precious wealth, as the ecosystem of primary organic material producers, 10-30 times more than their own heterotrophs to provide the necessary food. Valuable plant resources are not only the material basis of people’s lives, but also constitute the environment upon which human beings depend for their existence and maintain the ecological balance. However, since the rapid population growth and the ever-increasing social consumption of mankind since the beginning of this century, in order to seek economic development, human beings have enjoyed the natural resources while ignoring the ecological balance due to the unreasonable use of plant resources and the plant resources facing Exhausted