Multi-Scenario Simulation and Driving Force Analysis of Ecosystem Service Value in Arid Areas Based on PLUS Model: A Case Study of Jiuquan City, China

Jing Shi, Peiji Shi (), Ziyang Wang, Lirong Wang and Yali Li
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Jing Shi: College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China
Peiji Shi: College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China
Ziyang Wang: College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China
Lirong Wang: College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China
Yali Li: College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China

Land, 2023, vol. 12, issue 5, 1-21

Abstract: The arid region of northwest China is an extremely fragile area of natural ecology. With population growth and continuous expansion of urban scale, the ecosystem in the arid region is facing greater pressure. Scientific assessment and prediction of the value of ecosystem services in arid areas are necessary and of great significance for the sustainable development of regional ecological environments. In this paper, a parametric optimal geographic model is used to analyze the driving factors of ESV spatial dispersion in Jiuquan City as an example. The PLUS model is also used to simulate the spatial and temporal evolution of ESV in 2035 under the scenarios of natural development, urban development, water constraints and ecological conservation, based on the historical change pattern of land use and ecosystem service value (ESV). The results showed that from 1980 to 2020, the plowland, water and construction land area in Jiuquan City showed a significant increasing trend, while other land use types showed a decreasing trend. ESV has increased from CNY 139.394 billion to CNY 142.642 billion. The expansion of plowland and water area was the main reason for the increase in ESV. Elevation, temperature, and precipitation are the main driving factors of spatial differentiation of ESV in Jiuquan City. The interaction of natural and human factors enhances the explanatory power of each factor to the spatial differentiation of ESV. In 2035, the ESV in four development scenarios in Jiuquan City showed an upward trend, and the ESV of the ecological protection scenario was the highest, which was the best mode to realize a sustainable development in Jiuquan City in the future. This study can provide scientific basis and decision-making basis for Jiuquan City to formulate sustainable development strategy.

Keywords: ecosystem service value; scenario simulation; PLUS model; parameter-optimal geographic detector; Jiuquan City (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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