首页|Comparing the driving mechanisms of different types of urban construction land expansion:A case study of the Beijing-Tianjin-Hebei region
Comparing the driving mechanisms of different types of urban construction land expansion:A case study of the Beijing-Tianjin-Hebei region
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Different types of urban construction land are different in terms of driving factors for their expansion.Most existing studies on driving forces for urban construction land expansion have considered the construction urban land as a whole and have not examined and com-pared the differentiated driving forces for different types of construction land expansion.This study explored the differentiated driving mechanisms for two types of urban construction land expansion by selecting key driving factors and using spatial econometric regression and ge-ographical detector models.The results show that there are significant differences in the driving forces for expansion between the two types of urban construction land.The driving factors of urban land expansion do not necessarily affect industrial parks.And the factors acting on expansion of both types are different in influence degree.For urban expansion,economic density growth,the value-added growth of tertiary industries,and proximity to ur-ban centers have a negative effect.However,urbanization levels and value-added growth of secondary industries have a positive effect.The explanatory power of these factors is ar-ranged in the following descending order:value-added growth of tertiary industries,val-ue-added change of secondary industries,urban population growth,economic density growth,and proximity to urban centers;road network density has no significant effect.For industrial parks expansion,the value-added growth of secondary industries and road network density has a positive effect,while economic density growth has a negative effect.The explanatory power is arranged in the following descending order:value-added growth of secondary in-dustries,road network density,and economic density growth.The findings can help imple-ment differentiated and refined urban land use management policies.
urban construction land expansionurban landindustrial parksdifferentiated driving forcesBeijing-Tianjin-Hebei region
KANG Lei、MA Li、LIU Yi
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Key Laboratory of Regional Sustainable Development Modeling,Institute of Geographic Sciences and Nat-ural Resources Research,CAS,Beijing 100101,China
College of Resources and Environment,University of Chinese Academy of Sciences,Beijing 100049,China
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