The Research On The Low Carbon Type Of Land Use Evaluation Index System In Liling County

This study using the theory of ecological economics, geography and land low-carbon development theory, set way of land use in liling as the basis, measured different land use carbon and nitrogen characteristics, based on liling land utilization dynamic change from 2011 to 2014, Analyzed the characteristic of the total land use and cover change during different periods, established Low carbon evaluation system, Analyzed land use way and the regional economy, culture, the relationship between medical development and its driving factors, And then summarized the theory of low carbon economy development countermeasures and principles of low carbon type of land use.In this paper, the evaluation index system of low-carbon land use at home and abroad research achievements and the deficiencies are analyzed, discussed the basic theory about the development of the regional land low-carbon, connotation and characteristics, the research results show that the soil physical and chemical properties as:Different land use ways of SOC content showed obvious differences on average, All land use types of SOC in the average amount of order:Woodland> farmland> grassland> residential land> unused> road land, Its range is 9.92～13.09 g/Kg,5.82 ～7.16 g/Kg,7.16～4.53 g/Kg,1.79～2.89 g/Kg,2.89～2.14 g/Kg and 1.69～1.82 g/Kg; From the average contents of TN, farmland of TN content is the highest, at 2.00%, road land TN content is the lowest, at 0.5%, equivalent to 25% of the farmland, TN content of various land use types in order:agricultural land> residential land> forest land= grassland> road land> unused land; Different land utilization way of soil bulk density showed a certain difference, the way of land use under the soil bulk density in order:Residential land> unused land> grassland> forest land> road land > farmland; Land utilization way of soil carbon density order is:woodland> grassland> agricultural land> residential land> unused> road land.Based on remote sensing data from 2011 to 2014, Dynamic change of land use of Liling has carried on the quantitative analysis from Number structure, physical and chemical properties and type conversion, through calculation, liling land resources use judgement in general belong to low carbon using preliminary stage(86.45), to subsystem, ecological benefit evaluation index belong to low carbon using preliminary stage(87.40); economic benefit evaluation index belongs to the low carbon using preliminary stage(72.80); Social benefit evaluation index belongs to the low carbon using phase(91.57); intergenerational relationship evaluation index belongs to the low carbon using preliminary stage(92.86); regulation ability evaluation index belongs to the low carbon make use of the preliminary stage(87.64). Then combine the calculated results and the way of land use and regional economy, culture, the relationship between medical development and its driving factors, and summarizes the theory of low carbon economy development countermeasures and principles of low carbon type of land use, In order to liling low-carbon optimizing configuration of land use, land policy. For liling reflect regional regional development and the future development trend of low-carbon land use evaluation index system.