Multi-Scale Analysis of Ecosystem Service Trade-Offs/Synergies in the Yangtze River Delta

Yongqi Chen, Wei Liu (), Fen Zhao (), Qing Zhao, Zhiwei Xu and Michael Asiedu Kumi
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Yongqi Chen: College of Geography and Environment, Shandong Normal University, Jinan 250358, China
Wei Liu: College of Geography and Environment, Shandong Normal University, Jinan 250358, China
Fen Zhao: School of Resources and Environmental Engineering, Ludong University, Yantai 264025, China
Qing Zhao: Shandong Institute of Territorial and Spatial Planning, Jinan 250014, China
Zhiwei Xu: Shandong Institute of Territorial and Spatial Planning, Jinan 250014, China
Michael Asiedu Kumi: State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China

Land, 2024, vol. 13, issue 9, 1-21

Abstract: The transformation of ecosystem structure leads to changes in ecosystem services (ESs) and their relationship. However, most research in this area has focused on particular scales and timeframes, often overlooking the significance of spatial and temporal variations. Therefore, we used the equivalent value method to evaluate seven typical ESs in the Yangtze River Delta (YRD) between 2000 and 2020: food production (FP), water supply (WS), climate regulation (CR), environmental purification (EP), soil conservation (SC), biodiversity maintenance (BM), and aesthetic landscape (AL). We further employed the Spearman correlation coefficient and bivariate Moran’s I to evaluate the relationship of ESs and their spatial heterogeneity at grid, township, county and city scales. Our results show that (1) All ESs except AL exhibited a fluctuating upward trend from 2000 to 2020, resulting in a total increase in ecosystem service (ES) value of RMB 650.63 billion. (2) Approximately 70% of the ES pairs demonstrated a synergistic relationship, with the exception of FP and other ESs, which mainly showed a trade-off. (3) With the scale increased from grid to city level, the degree of trade-off between FP and other ESs strengthened at different levels, while the synergy degree of among other ESs gradually decreased. (4) The relationship between ESs demonstrated strong spatial heterogeneity, with FP and other ESs exhibiting trade-offs primarily in the northern and southern YRD, while other ES pairs exhibited mostly synergy in these regions. This study provides scientific information for governments to optimize land use distribution and improve ESs.

Keywords: trade-off/synergy analysis; ecosystem service value; scale effects; spatial heterogeneity; bivariate Moran’s I; Yangtze River Delta (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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