退化土地现状与改良研究进展——以贵州为例

Research Progress on the Status and Improvement of Degraded Land—A Case Study of Guizhou Province

摘要: 贵州喀斯特地区的土地退化问题日益严重，人类活动对生态的压力逐渐成为人们关注的焦点。本文阐述了土壤退化的概念和贵州省土地退化现状，分析了土地退化的成因并提出了预防土地退化的相应对策。指出应加强对土壤与土地退化指标评价体系，土壤退化的监测与预警系统研究以及对土壤与土地退化过程、机理及影响因素等方面的研究。

Abstract: The problem of land degradation in the Karst area of Guizhou is becoming more and more serious, and the pressure of human activities on the ecology has gradually become the focus of attention. This paper expounds the concept of soil degradation and the current status of land degradation in Guizhou Province, analyzes the causes of land degradation and proposes corresponding counter-measures to prevent land degradation. It points out that the evaluation system of soil and land degradation indicators, the research on the monitoring and early warning system of soil degrada-tion and the research on the process, mechanism and influencing factors of soil and land degrada-tion should be strengthened.