珠江上游农业区域生态现状及生态安全预警系统的可行性研究

Present Condition of Ecology in Agriculture Areas of Upper Reaches of Zhujiang River and Feasibility Study on Early Warning System of Ecological Safety

珠江上游地区农业人口众多 ,对生态环境依赖和压力很大。本文通过对珠江上游农业区域的生态现状进行综述 ,阐明生态安全对可持续发展的重要性以及生态安全预警系统建立的必要性 ,进而对建立生态安全预警系统的可行性、原则、基本方法和步骤进行初步研究 ,为这一区域生态环境和可持续发展研究奠定基础。

On the basis of analysizing present condition of ecology in agriculture areas of upper reaches of Zhujiang River, this article expounds importance of ecological safety to sustainable development and necessity of establishing forecast system of ecological safety. Furthermore, the authors make an elementary study on feasibility, principles and basic methods of the latter, which lays a foundation for the study on ecological environment and sustainable development of this area.