摘要
通过喀斯特石漠化概念、演绎过程的介绍 ,深入探讨了喀斯特石漠化的科学内涵。喀斯特石漠化是指在亚热带脆弱的喀斯特环境背景下 ,受人类不合理的社会经济活动的干扰破坏 ,造成土壤严重侵蚀 ,基岩大面积出露 ,土地生产力严重下降 ,地表出现类似荒漠景观的土地退化过程。喀斯特石漠化是土地荒漠化的主要类型之一 ,它以脆弱的生态地质环境为基础 ,以强烈的人类活动为驱动力 ,以土地生产力退化为本质 ,以出现类似荒漠景观为标志。
This article discussed the connotation of karst rocky desertification by way of introducing the deductive procedure of karst rocky desertification concept. Karst rocky desertification is a process of land devolution that soil was eroded seriously or thoroughly, bedrock was exposed widespread, bearing capability of land declined seriously, and at last, landscape similar to desert appears on the earth's surface under violent human impaction on the vulnerable eco geo environment. Karst rocky desertification is one major type in desertification. In the process, the vulnerable eco geo environment serves as its base, violent human impaction as its driving force, devolution of bearing capability of the land is the essence, and the appearing of landscape similar to desert is the sign.
出处
《中国岩溶》
CAS
CSCD
2002年第2期101-105,共5页
Carsologica Sinica
基金
国家"九五"攻关项目 (96 - 92 0 - 0 4 - 0 2 - 0 2 )
国家自然科学基金重点项目 (498330 0 2 )
