玉溪市土地利用对生态环境的影响研究

Effects of Land Use Changes on the Environment in Yuxi City

从城市土地利用的结构、布局和强度阐述了玉溪市土地利用变化的特征,并探讨了土地利用带来的系列生态环境效应,结果表明:玉溪市土地开发强度大,已利用土地比例高;土地利用结构与布局不尽合理;近年来伴随城市发展,环境污染状况与区域土地利用状况存在密切关系,大气、水、土壤污染呈现加重趋势,成为影响玉溪市可持续发展的主要环境问题。

The sustainable utilization of land resources influences the sustainable development of social economy.This paper briefly analyzed land use changes and environmental problem in Yuxi City.The results showed that expanding speed of land use scale become more and more fast.The land resource in Yuxi City are confronting severe problems,such as the large population with little lands,the rapid decreasing in the land resources,the high utilized rates,the shortage of reserved land resources and son on.The environmental effects following the development process of land use in Yuxi were the increasingly severe water,air,soil and solid discharge pollution.Therefore,to realize the sustainable utilization of the land resources,measures must be taken to control the growth of population,be strengthen the management of land resources,increase its productivity,optimize its utilizable structure and improve its eco-environment.