Abstract
The change in urban construction land (UCL) and rural residential land (RRL) and their coupling relationship are the main manifestation of urban-rural construction land transition (URCLT) and the mapping of urban-rural factor flow. It is of great significance to systematically understand and master its laws for expanding the theory of land use transition (LUT) and adjusting the man-land relationship between urban and rural area. This paper constructs a theoretical model of URCLT, analyses the spatial and temporal characteristics of urban and rural construction land (UARCL) scale, elasticity and structure transition in Shandong Province from 1996 to 2015, reveals the transition process and coupling mechanism of UCL and RRL by using the method of geographic detector. The research shows that the UCL and RRL in Shandong Province have evolved along a coordinated track of increase and decrease as a whole, but with certain periodic fluctuations, resulting in insufficient elasticity and structural transition of URCLT. The rationalization degree of UCL growth was reduced, the low synchronization and non-synchronization of RRL reduction predominates, while the dominant type of urban-rural human-land relationship changed from urban-rural (UR) increase or decrease coordinated to both urban (U) and rural (R) increase uncoordinated. The URCLT had obvious spatial differences. The UARCL in the “blue-yellow” economic zone and the provincial capital urban agglomeration was active, but was dominated by uncoordinated transition, and the non-synchronization reduction of RRL was dominant. The factors influencing the transition of URCL were complex, diverse and unstable, and the transition mechanism was the interaction process of self-regulation of population, industry and land elements within the urban and rural system and intervention of external natural environment, science and technology and institutional policies.
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