Ecological Land Use in Typical Karst Area——A Case of Qingzhen City

The purpose of the paper is to provide some references for comprehensive land use planning in karst region.Methods of documentation and case study were employed.The future spatial land use pattern was determined by using gray multi-objective planning model while GIS was applied in data processing of land use changes.The results show the land eco-service value will be 58.96 in 2010 and be 64.16 in 2010 in Qingzhen city,an significant increase compared to that in 2004 when all ecological land are allocated.The ecological land use is a new concept in the eco-environment management in karst region.In order to harmonize the relationship of land use and eco-environment protection,the eco-environment sensitive areas can be used as ecological land.