Research On Spatial Conflict Measurement And Zoning Optimization In Nanchang City Based On Ecological-production-living Spaces

From the perspective of ecological-production-living spaces,this paper uses the theoretical support of geography,ecology,regional economics,planning and other related disciplines to use ENVI,GIS and other graphical analysis and processing software,SPASS,EXCEL and other data processing software for analysis and research..This article also interprets the connotation,concept,cause of formation,type of division,manifestation,evolution process,and effect of spatial conflicts,laying a solid theoretical foundation for the zoning optimization of spatial conflicts.Based on the study of ecological-production-living spaces by scholars such as Zhang Hongqi and the guiding function of land use types as the basis for the division of ecological-production-living spaces,the pattern of ecological-production-living spaces are divided into Nanchang.Use the three factors of spatial complexity index,spatial vulnerability index,and spatial stability index in the relative ecological risk assessment model to build a spatial conflict model,perform spatial conflict calculation of the three-generation space,and use an inverted "U"-type spatial conflict trajectory model The level of space conflict is divided into four levels: stable and controllable,basic controllable,basic out of control,and severe out of control.Based on the ecological resource pattern and economic resource pattern of Nanchang City,with the help of measures such as optimizing industrial structure,ecosystem restoration,space resource development,and urban-rural coordination,Nanchang City’s regional optimization of spatial resources was carried out.The function is divided into 10 categories.Research indicates:(1)From 1995 to 2015,the pattern of the ecological-production-living spaces in Nanchang city was dominated by the production ecological space,followed by the ecological space,the ecological production space and the living production space.The proportion of the living production space was increasing,and the rest were decreasing,showing the characteristics of "one rise and three falls".It can be seen that in the process of urban expansion,the living production space dominated by the construction land was eroding the rest three kinds of space The living and production space in Nanchang increased by 21110.86 hectares in 1995-2005 and 10451.32 hectares in 2005-2015.From 1995 to 2015,the ecological-production-living spaces conflict in Nanchang City intensified,and the severely out of control units continued to grow,but the growth rate in 2005-2015 was slightly slower than in 1995-2005.However,the overall development of space conflict in Nanchang City is relatively stable.In 2015,the controllable level(stable and controllable,basically controllable)was as high as 88%.Level of development.(2)Further explore the spatial differences among the three types of spatial conflicts,and calculate and count the four types of spatial conflicts.As a result,it is found that there is a large difference in the level and proportion of spatial conflicts between different types of space,but all of them are based on The control level is mainly,and the proportion of out of control levels is from large to small: living production space?production ecological space?ecological production space?ecological space;living production space corresponds to land use types such as urban land,construction land,rural settlements,ecological effects Poor,space conflicts are the most serious;out-of-control level units in the other three space types also gradually increase with time,and need attention.(3)Taking the ecological resource pattern and economic resource pattern of Nanchang as the basis for zoning optimization,optimizing industrial structure,ecosystem restoration,space resource development,and urban-rural integrated development as measures for zoning optimization,based on conflict levels and dominant land use Types,main issues / advantages,etc.are used to subdivide each level of spatial conflict,and use 10 sub-function areas to optimize more than 70% of Nanchang City.Of these,two sub-function areas dominated by urban land and more than 70% belong to More than 65% of the sub-functional areas with beaches,lakes,and woodlands as construction areas are permitted construction areas,which are prohibited construction areas,and are in line with the overall land use plan.