喀斯特地貌区土地整治与生态环境建设途径研究——以四川省珙县为例

A Study on the Ways of Land Renovation and Ecological Environment Construction on the Karst Area ——a case study of Gongxian county, Sichuan province

以四川省珙县为例 ,分析了喀斯特地区土地利用的基本特点和土地有效利用的制约因素 ,提出改善生态环境质量是喀斯特地区经济可持续发展的客观要求 ;从整个生态系统的角度出发 ,指出以退耕还林为主恢复喀斯特地区的森林植被 。

By taking Gongxian county, Sichuan province, as a case, the basic features of land use and the restricted factors of land use efficiently on the karst area are analyzed, It is introduced that improving the ecological environment of karst area is the objective demand for sustainable development of its economy and society. At the same time, if the ecological system is taken as a whole, to recover its forest and renovate the land comprehensively, mainly, the earth in which there stones of the percent from 20% to 30%, are the main ways of the ecological environment construction on the karst area.