基于GIS赣州市章贡区土地适宜性评价

Land suitability assessment of Zhanggong zone in Ganzhou City based on GIS

应用土地适宜性评价理论和地理信息系统(GIS)技术,以赣州市章贡区宜农、宜林、不宜地为评价目标,系统阐述了GIS在赣州市章贡区土地适宜性评价中的应用和作用.结果表明,宜农一等地、宜农二等地、宜农宜林地、宜林一等地、宜林二等地和不宜利用的土地面积分别占23.6%、12.86%、16.69%、34.85%、2.92%和0.07%.

Based on the theory of land suitability assessment and GIS,the methodology and steps of land suitability assessment of Zhanggong zone in Ganzhou City was discussed in detail by taking agricultural suitability and forest suitability of land as the objective of land assessment.The results showed that the land was classified into six types of suitable land,such as first-class land suitable for farm,second-class land suitable for farm,the land suitable for farm and forestry,first-class land suitable for forestry,second-class land suitable for forestry and unsuitable land.The areas of these suitable types accounted for 23.61%,12.86%,16.69%,34.85%,2.92% and 0.07% of total land,respectively.