Sustainable Population Size at the County Level under Limited Development Policy Constraints: Case Study of the Xihaigu Mountain Area, Northwest China

Xueli Chen, Yongyong Song, Xingang Fan and Jing Ma
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Xueli Chen: School of Economics and Management, Ningxia University, Yinchuan 750021, China
Yongyong Song: School of Geography and Tourism, Shaanxi Normal University, Xi’an 710119, China
Xingang Fan: School of Economics and Management, Ningxia University, Yinchuan 750021, China
Jing Ma: School of Economics and Management, Ningxia University, Yinchuan 750021, China

IJERPH, 2022, vol. 19, issue 15, 1-21

Abstract: Understanding the extent to which demographic changes may affect the prospects of sustainable development is a priority for both academics and policy makers. Accordingly, we attempted to explore the population growth limit of the Xihaigu Mountain area in China. To analyze the optimum population at the county level, the relationship curve between population size and environmental quality was fitted using panel data (2009–2018). The sustainable population size of each county was determined by integrating the population carrying capacity of land resources and optimum population. The results show that the relationship between regional population size and environmental quality conforms to an inverted N-shaped curve. To maintain sustainable development, the population size of Tongxin, Xiji, and Haiyuan should be in the range of 320,800–379,800, 315,800–416,900, and 333,500–416,900, respectively. The current population size of other counties should be maintained, and their surplus construction lands are acceptable to be used for environmentally friendly industries rather than population expansion. We demonstrated a practical approach to calculate a dynamic range of population size under the dual constraints of resource and environment, which overcomes the shortcoming of only considering the maximum carrying capacity to a limited extent. We also identified the population boundary in a “steady-state economy” and quantified planetary boundaries of population in Xihaigu Mountain area using a dynamic sustainable population size. The findings provide decision-making references for the local government.

Keywords: population size; environmental quality; population carrying capacity; sustainable development; limited development ecological zone; Xihaigu Mountain area (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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