Analysis on Quantitative Structural Characteristics of Land Use in the Baoquanling Reclamation Area

Baoquanling reclamation area is an important grain production base of China.Quantitative indices combining with GIS technology were selected to analyze the quantitative structural characteristics of land use of Baoquanling Reclamation in 2009 in order to plan reclamation area of land use,provide reference for reclamation area of land use management and policy formulation,realize the regional land the rational development,and provide the scientific basis for utilization.The research results showed that the diversification indices of each farm were not relatively high,while centralization indices were generally high in the whole reclamation.The combination of land use types and Lorenz curve showed that the combination of land use types were only three.That was cultivated land,cultivated land + foreland,and cultivated land + waters and water conservancy facilities.The complete degree of land use types was relatively single.The quantitative GIS spatial analysis illuminated the location significance of 13 farm land types.Land use degree index was between 265.54 to 291.56.And the degree indices of 8 farms were higher than the average level of 276 farms in the reclamation area,a higher degree of land use.