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基于熵权TOPSIS模型的江西省土地利用多功能及其障碍因素动态分析
肖丽群1,2,3, 邓群钊1, 林永钦1, 毛燕玲1, 刘建生4
1.南昌大学 管理学院, 江西 南昌 330031;2.北卡罗莱纳大学 教堂山分校城市与区域规划系 中国城市研究中心, 美国, 教堂山, 27599;3.南昌大学 江西发展升级推进长江经济带建设协同创新中心, 江西 南昌 330031;4.南昌大学 公共管理学院, 江西 南昌 330031
摘要:
[目的] 分析江西省2004-2017年间土地利用多功能状况,为区域土地持续利用提供支撑。[方法] 构建评价指标体系,基于熵值法确定各指标权重,运用TOPSIS模型综合评价了江西省土地利用多功能变化状况,并采用障碍度模型剖析了主要限制因素。[结果] 2004-2017年江西省土地利用综合功能变化动态度为297.90%,经济功能、社会功能和生态功能变化动态度分别为224.37%,207.14%,2 021.61%;生态功能障碍度逐年下降,经济功能障碍度波动上升,2010年之后主要障碍因子有综合恩格尔系数、产业结构、经济密度、人均GDP、废水排放强度、人均水资源和城镇登记失业率等。[结论] 江西省土地利用功能总体呈现增长变化趋势,但各项功能变化有所差异,其中土地利用生态功能变化最大;土地利用功能实现从经济社会型向生态社会型转变;不同阶段限制土地利用功能发挥的因素有所差异,目前主要为经济障碍因子。
关键词:  土地利用  多功能  熵权  TOPSIS模型  江西省
DOI:10.13961/j.cnki.stbctb.2020.01.026
分类号:F301.24
基金项目:国家自然科学基金项目"AGIL理论视阈下易地扶贫搬迁的减贫长效机制研究"(41761038),"基于资源异质性和合作博弈架构下的区域土地-产业结构综合优化配置研究:以江西省为例"(71764017);国家留学基金委资助项目(201806825096);江西省社会科学研究规划项目(19GL04);江西省高校人文社会科学研究项目(GL1581)
Dynamic Analysis on Multifunctionality of Land Use and Obstacle Factors in Jiangxi Province Based on Entropy Weight TOPSIS Model
Xiao Liqun1,2,3, Deng Qunzhao1, Lin Yongqin1, Mao Yanling1, Liu Jiansheng4
1.School of Management, Nanchang University, Nanchang, Jiangxi 330031, China;2.Program on Chinese Cities, University of North Carolina at Chapel Hill, Chapel Hill, USA, 27599;3.Collaborative Innovation Center of Upgrading Development of Jiangxi to Advance the Constructive of Yangtze River Economic Belt, Nanchang, Jiangxi 330031, China;4.School of Public Administration, Nanchang University, Nanchang, Jiangxi 330031, China
Abstract:
[Objective] The multifunctional land use in Jiangxi Province from 2004 to 2017 was analyzed to support regional sustainable land use.[Methods] An evaluation index system was developed, and the multifunctional changes of land use in Jiangxi Province were measured using the TOPSIS model based on the entropy method. The obstacle model was used to analyze the main restrictive factors.[Results] The dynamic degree of land use comprehensive function change in Jiangxi Province from 2004 to 2017 was 297.90%. The dynamic degrees of economic function, social function, and ecological function were 224.37%, 207.14%, and 2 021.61%, respectively. The degree of ecological dysfunction decreased, and the degree of economic dysfunction increased year after year. After 2010, the main obstacle factors were the comprehensive Engel's coefficient, industrial structure, economic density, per capita GDP, wastewater discharge intensity, per capita water resources, and urban registered unemployment rate.[Conclusion] The overall function in Jiangxi Province shows a steady upward trend. However, changes varied between the functions, and the changes in the land use ecological function were the largest. The land use function demonstrated the transition from an economic society to an ecological society. The factors that limit the land use functions vary at different stages, and the main limiting factor is currently economical.
Key words:  land use  multifunctionality  entropy weight  TOPSIS model  Jiangxi Province