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引用本文:梁丽英,官洋溢,梁彦庆,史思琪.京津冀城市群土地经济密度时空格局演变与驱动因素分析[J].中国农业资源与区划,2020,41(7):163~172
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京津冀城市群土地经济密度时空格局演变与驱动因素分析
梁丽英1官洋溢1梁彦庆1,2※史思琪1
1.河北师范大学资源与环境科学学院,石家庄050024; 2.河北省环境演变与生态建设实验室,石家庄050024
摘要:
[目的]研究2006—2016年京津冀城市群土地经济密度的时空格局演变特征及其驱动机制。[方法]以京津冀城市群153个县区为例,运用空间自相关分析、热点分析、地理探测器等研究方法,对土地经济密度的时空演变规律及其驱动因素进行探讨。[结果](1)2006—2016年京津冀城市群县区和地市的土地经济密度及其发展速度在空间上均呈“东高西低,南高北低”格局,但随时间变化区域差异逐渐缩小; (2)Moran′s I指数由0013 9上升至0065 3,表明在空间上存在空间集聚状态,且随时间不断优化,区域一体化趋势逐渐增强;(3)空间集聚特征明显,热点显著区集中于北京、天津等经济优势区,并向四周梯度扩散;(4)人均GDP、当年实际使用外资额、固定资产投资额等经济类因子对土地经济密度的解释力较大,且任意两因子交互后作用力优于单项因子作用力。[结论]可为京津冀城市群土地资源的合理利用和差别化调控提供参考。
关键词:  土地经济密度京津冀城市群县区时空格局演变驱动因素
DOI:
分类号:F301
基金项目:国家自然科学基金项目“多尺度城市地价分异规律研究”(41471090); 河北省自然地理学重点学科项目; 河北省教育厅科学技术研究重点项目“河北省城市地价时空变化对土地集约利用的影响机制研究”(ZD2019115); 河北师范大学科技类科研重点基金项目“城市地价与土地集约利用互作机制的地理探测与优化研究”(L052018Z09)
SPATIAL TEMPORAL EVOLUTION OF LAND ECONOMIC DENSITY AND ITS DRIVING FACTORS IN BEIJING TIANJIN HEBEI URBAN AGGLOMERATION
Liang Liying1, Guan Yangyi1, Liang Yanqing1,2※, Shi Siqi1
1.College of Resource and Environmental Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China; 2. Lab of Environment Change and Ecological Construction of Hebei Province, Shijiazhuang, Hebei 050024, China
Abstract:
The research aims to analyze the spatial temporal evolution characteristics of land economic density and its driving mechanism in the Beijing Tianjin Hebei urban agglomeration from 2006 to 2016. Taking 153 counties in Beijing Tianjin Hebei urban agglomeration as an example, it discussed the spatial and temporal evolution of land economic density and its driving factors based on spatial auto correlation analysis, hotspot analysis and geographic detectors model. Conclusions were drawn as follows. (1) During the period of 2006 to 2016, the economic density and development speed of counties and cities showed a pattern of "high in the east and low in the west, high in the south and low in the north", but the regional differences gradually decreased; (2)Moran′s I index increased from 0.013 9 to 0.065 3, indicating the existence of spatial agglomeration in space, and the trend of regional integration gradually strengthened with the continuous optimization over time; (3) The characteristics of spatial agglomeration were obvious, and the hot spots were concentrated in economically advantageous areas such as Beijing and Tianjin, spreading gradually to the surrounding areas; (4)Economic factors, such as per capita GDP, actual use of foreign capital, and investment in fixed assets, had a greater explanatory power for land economic density, and the interaction between any two factors was better than the single factor. The research can provide reference for the rational utilization and differential regulation of the land resources in Beijing Tianjin Hebei urban agglomeration.
Key words:  land economic density  Beijing Tianjin Hebei urban agglomeration  county level  spatial temporal evolution  driving factors
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