贵州省贵定县石漠化现状及动态变化研究

Current situation and dynamic change of rocky desertification in Guiding,Guizhou

石漠化是重要环境问题之一,对生产生活有着重大影响。为掌握贵定县岩溶地区石漠化最新状况及变化情况,本文采用3S技术对贵定县石漠化情况开展调查,结果表明:贵定县石漠化面积为80853.0492 hm 2,其中:潜在石漠化面积为72956.3338 hm 2,轻度石漠化面积3824.8074 hm 2,中度石漠化面积3686.2608 hm 2,重度石漠化面积355.9048 hm 2,极重度石漠化面积29.7424 hm 2。

Rocky desertification is one of the important environmental problems.In order tomaster the current situation and change of rocky desertification in Guiding County,this paper uses 3S technology to investigate the rocky desertification situation in Guiding County.The results show that the rocky desertification area of Guiding County is 80853.0492 hm 2,of which the potential rocky desertification area is 72956.3338 hm 2,the mild rocky desertification area is 3824.8074 hm 2,the moderate rocky desertification area is 3686.2608 hm 2,the severe rocky desertification area is 355.9048 hm 2,and the extremely severe rocky desertification area is 29.7424 hm 2.