Multi-Scenario Simulation and Trade-Off Analysis of Ecological Service Value in the Manas River Basin Based on Land Use Optimization in China

Yongjun Du, Xiaolong Li, Xinlin He, Xiaoqian Li, Guang Yang, Dongbo Li, Wenhe Xu, Xiang Qiao, Chen Li and Lu Sui
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Yongjun Du: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Xiaolong Li: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Xinlin He: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Xiaoqian Li: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Guang Yang: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Dongbo Li: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Wenhe Xu: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Xiang Qiao: College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
Chen Li: Faculty of Geography, Yunnan Normal University, Kunming 650500, China
Lu Sui: Faculty of Public Administration, Xinjiang Agricultural University, Urumqi 830000, China

IJERPH, 2022, vol. 19, issue 10, 1-31

Abstract: Rapid socio-economic development has had a significant impact on land use/cover (LULC) changes, which bring great pressure to the ecological environment. LULC changes affect ecosystem services by altering the structure and function of ecosystems. It is of great significance to reveal the internal relationship between LULC changes and ecosystem service value (ESV) for the protection and restoration of ecological environments. In this study, based on the spatial and temporal evolution of ecological service values in the Manas River basin from 1980 to 2020 and considering ecological and economic benefits, we coupled the gray multi-objective optimization model (GMOP) and patch-generating land-use simulation (PLUS) model (GMOP–PLUS model) to optimize the LULC structure under three scenarios (a natural development scenario, ND; ecological priority development scenario, (EPD); and balanced ecological and economic development scenario, EED) in 2030, and analyzed the trade-offs and synergies in the relationships among the four services. We found that from 1980 to 2020, farmland and construction land expanded 2017.90 km 2 and 254.27 km 2 , respectively, whereas the areas of grassland and unused land decreased by 1617.38 km 2 and 755.86 km 2 , respectively. By 2030, the trend of LULC changes will be stable under the ND scenario, the area of ecological land will increase by 327.42 km 2 under the EPD scenario, and the area of construction land will increase most under the EED scenario, reaching 65.01 km 2 . From 1980 to 2020, the ESV exhibited an upward trend in the basin. In 2030, the ESV will increase by 7.18%, 6.54%, and 6.04% under the EPD, EED, and ND scenarios, respectively. The clustering of the four services is obvious in the desert area and around the water system with “low–low synergy” and “high–high synergy”; the plain area and mountainous area are mainly “high–low trade-off” and “low–high trade-off” relationships. This paper provides a scientific reference for coordinating economic development and ecological protection in the basin. It also provides a new technical approach to address the planning of land resources in the basin.

Keywords: ecological service value; GMOP–PLUS coupled model; land use changes; trade-offs and synergies; Manas River Basin (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (14)

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