苏南人口密集地区城镇化过程中的环境特征分析

江苏省南部是长江三角洲地区的城镇密集区，该地区在工业化带动下的乡村城镇化迅速发展，非农业人口比重大，隐性城市化人口多。城镇化过程中存在以下环境问题：耕地资源减少，环境承载力降低；水污染严重，环境容量减少；工业污染物集中，小城镇排放的污染物浓度大；城镇化后生态风险增大。近期苏南乡村城镇化正处于高峰期，针对城镇化过程中的环境变化特点，应制定符合生态经济规律的小城镇规划，加强土地管理和环境管理，加快乡村城镇化进程，加快乡镇合并，实施乡镇工业经济增长方式的转变。

ENVIRONMENTAL CHARACTERISTICS DURING THE PROCESS OF URBANIZATION IN SOUTH JIANGSU WITH CONCENTRATED POPULATION

Taihu Basin in Jiangsu province is an area with concentrated towns within the Yangtze River Delta, with the rapid development of urbanization in the country driven by industrialization. The proportion of population out of agriculture is quite high there and latent townsfolk becames more and more. Main environmental problems there are: plantation has reduced, bearing power of the environment has fallen; water pollution became serious and environmental capacity has decreased; contamination from industry in towns is in high consistence; and ecological risk after urbanization has increased. Urbanization in South Jiangsu is under a fastigium now, the programming of new towns with ecological rule and economic rule should be made based on the characteristics of environment change during the process of urbanization. Land management and environment management should be intensified; the course of urbanization should be sped up, and the increasing mode of industrial economy in the villages and towns should be changed.