简介：Basedonasystematicanalysisaboutthedesignprinciples,systematicobjectives,clients'demandsandfunctionalmodulesoftheregionalkarstdesertificationdisasterinformationsystem,asystematicapplicationplanwasproposedinthispaperthatthemainstreamtechnologieslikeCOMGIS,etc.canbeusedforsecondarydevelopment,andDu'anYaoAutonomousCountyofGuangxiwastakenasanexampletoillustratetheapplicationofgeographicalinformationsystemindevelopmentofkarstdesertificationdisasterinformationsystem,andtoprovideafeasibleplanforrealizationofaccessorydecisioninformationaimingforsustainabledevelopmentofkarstdesertificationarea.
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