摘要
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.
出处
《西南师范大学学报(自然科学版)》
CAS
CSCD
北大核心
2001年第2期217-221,共5页
Journal of Southwest China Normal University(Natural Science Edition)
关键词
喀斯特地貌
生态建设
土地整治
珙县
四川
土地利用
经济可持续发展
karst landform areas
land renovation
ecological environment construction
rearrange ment of the earth
gongxian county sichuan province