贵州喀斯特山区石漠化生态环境背景与生态重建

贵州省地处中国西南喀斯特中心地区,是中国石漠化分布面积最大、危害最严重的省份。轻度以上的石漠化面积已达35 920 km2,占全省土地总面积的20.39%。由于贵州喀斯特石漠化生态环境背景的特殊性,其研究对石漠化的生态重建研究有着重要的意义。对此贵州省采取了一系列措施,但实施过程中尚存在一些问题。在总结前人的研究基础上,综合考虑贵州喀斯特石漠化生态地质环境背景的特殊性,提出适宜的生态重建措施。

Ecological Environment of Rocky Desertification and Ecological Rehabilitation Model in Karst Mountainous Area of Guizhou

Guizhou Province located in the centre of karst region which is the province with the most broad and serious harmful desertification of China.The area of longitudinal upwards rocky desertification has been up 35 920 km~2,which is occupied 20.39% of the total area in Guizhou Province.On account of the particularities of the ecological environment of karst mountainous area in Guizhou,the research on desertificated ecological rehabilitation model is of great significance.The government takes a series of measures.However, there are still many problems which are found during the process of enforcement.The authors take into the account of the particularities of the ecological environment of karst mountainous area on the basis of summarizing liberal forefathers' research,and put forward proper measures of ecological rehabilitation model.