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贵州省城乡人口变化与建设用地扩张的脱钩关系
潘友娜1, 赵翠薇1,2
1.贵州师范大学 地理与环境科学学院, 贵州 贵阳 550025;2.喀斯特山地生态环境保护与资源利用协同创新中心, 贵州 贵阳 550001
摘要:
[目的] 研究贵州省人口与建设用地变化的关系,以促进土地资源优化配置。[方法] 利用贵州省2000—2017年城乡人口及建设用地数据,采用脱钩模型和GIS空间分析方法,研究城乡人地关系演化过程。[结果] 贵州省城镇人口持续增加,乡村人口逐年减少;城乡建设用地面积不断扩大,城镇和乡村建设用地同向增长。2000—2008年,贵州省城乡人口变化与建设用地扩张关系为强负脱勾类型,乡村人口与乡村建设用地变化为强负脱钩类型,城镇人口与城镇建设用地变化为扩张负脱钩类型。农村人口减少伴随着建设用地增加,农村人地关系处于较不合理状态;城镇人口和建设用地二者均增长,但建设用地增幅快于人口增幅。[结论] 贵州省应积极推动农村宅基地流转,提高城乡建设用地集约利用水平,促进城乡融合。
关键词:  城乡人口  建设用地  脱钩关系  喀斯特山区
DOI:10.13961/j.cnki.stbctb.2020.03.026
分类号:F301.2
基金项目:国家重点研发计划项目“喀斯特槽谷区土地石漠化过程及综合治理技术研发与示范”(2016YFC0502300)
Decoupling Relationship Between Urban and Rural Population Change and Expansion of Construction Land in Guizhou Province
Pan Youna1, Zhao Cuiwei1,2
1.School of Geography and Environmental Science, Guizhou Normal University, Guiyang, Guizhou 550025, China;2.Collaborative Innovation Center of Ecological Environment Protection and Resource Utilization in Karst Mountain Area, Guiyang, Guizhou 550001, China
Abstract:
[Objective] The relationship between population and construction land change in Guizhou Province areas was studied in order to promote the optimal allocation of land resources.[Methods] Using the data of urban and rural population and construction land in Guizhou Province from 2000 to 2017, the evolution process of urban and rural human-land relationship was studied using the decoupling model and GIS spatial analysis method.[Results] From 2000 to 2017, the urban population of Guizhou Province increased while the rural population decreased. Urban and rural construction land area also expanded during this time. From 2000 to 2008, the relationship between population change and construction land was strong negative decoupling. The relationship between rural population and rural construction land in Guizhou Province showed strong negative decoupling, while that between urban population and urban construction land showed expansive negative decoupling. With the decrease of rural population and increase of construction land, the relationship between rural people and land became unstable. Though both the urban population and urban construction land increased, the latter increased faster than the former.[Conclusion] The transfer of rural homestead land should be promoted actively in Guizhou Province so as to improve the level of intensive use of land for urban and rural construction. Integration of urban and rural areas should also be encouraged.
Key words:  urban and rural population  construction land  decoupling  karst mountains