Study on Process and Mechanism of Land Use Transition in Metropolitan Joint Area:A Case Study of Central Chengdu-Chongqing Region

WANG Binyan, TIAN Junfeng, WANG Shijun

Areal Research and Development ›› 2024, Vol. 43 ›› Issue (3) : 151-158.

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Areal Research and Development ›› 2024, Vol. 43 ›› Issue (3) : 151-158. DOI: 10.3969/j.issn.10032363.2024.03.023

Study on Process and Mechanism of Land Use Transition in Metropolitan Joint Area:A Case Study of Central Chengdu-Chongqing Region

  • WANG Binyan1a,2, TIAN Junfeng1b, WANG Shijun3
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Abstract

Taking the central Chengdu-Chongqing region as an example, this paper uses the land use transfer matrix and spatial autocorrelation analysis method to measure the characteristics of regional land use transition from 2000 to 2020, and comprehensively applies the OLS and GWR methods to explore the influencing factors and driving mechanism of land use transition in metropolitan joint area. The results showed that: (1) During the study period, the process of land use transition occurred in central Chengdu-Chongqing region. In this process, the scale of cropland changes from relatively stable to declining. The scale of construction land has expanded rapidly, and the hot spots area have changed from dispersion to concentration, expanding from the edge of the main urban area of Chongqing to the periphery. The scale of forest land and grassland decreased, especially in some western regions. The expansion of water area in central Chengdu-Chongqing region is accelerated, and the hot spots area are concentrated in the main producing areas of agricultural products and urbanization areas. (2) The land use transition in metropolitan joint area is the result of the comprehensive action of many factors, such as policy and institutional factors, natural environmental conditions, administrative boundary effect, socio-economic transition and so on. The intensity of influencing factor has spatial heterogeneity. The process of socio-economic is the core factor that driving the land use transition. The administrative boundary effect is the characteristic factor driving the regional land use transition and its function process presents intermediary characteristics. (3) The existence of administrative boundary effect leads to poor control of ecological space, disorderly expansion and insufficient supply of construction land, aggravating land use conflict, and seriously affecting the sustainable use of land in metropolitan joint area. Therefore, a systematic policy path of regional land and space integration governance should be furtherly formed, which is of great significance to promote the construction of modern metropolitan area and realize the integrated and sustainable development of urban agglomeration.

Key words

land use transition / dynamic mechanism / geographically weighted regression / metropolitan joint area / central Chengdu-Chongqing region

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WANG Binyan, TIAN Junfeng, WANG Shijun. Study on Process and Mechanism of Land Use Transition in Metropolitan Joint Area:A Case Study of Central Chengdu-Chongqing Region[J]. Areal Research and Development, 2024, 43(3): 151-158 https://doi.org/10.3969/j.issn.10032363.2024.03.023

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