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[1]An Jianji,Yangyue,Yuan Xuefeng,et al.Spatial and temporal variation, spatial agglomeration and trade-offs and synergies of ecosystem services in northern Shaanxi[J].Research of Soil and Water Conservation,2025,32(01):316-327,335.[doi:10.13869/j.cnki.rswc.2025.01.024]

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Spatial and temporal variation, spatial agglomeration and trade-offs and synergies of ecosystem services in northern Shaanxi

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 32 Number of periods: 2025 01 Page number: 316-327,335 Column: Public date: 2025-01-10

Title:: Spatial and temporal variation, spatial agglomeration and trade-offs and synergies of ecosystem services in northern Shaanxi

Author(s):: An Jianji^1,2, Yangyue^1,2, Yuan Xuefeng^1,2, Su Qiangjun^1,2, An Qimin^1,2; (1.School of Land Engineering,Chang'an University,Xi'an 710054,China; 2.Key Laboratory of Land Reclamation,Shaanxi Province,Xi'an 710054,China)

Keywords:: ecosystem services; spatial and temporal variation; spatial agglomeration; trade-offs and synergies; northern Shaanxi

CLC:: X171.1

DOI:: 10.13869/j.cnki.rswc.2025.01.024

Abstract:: [Objective]This study aims to reveal the characteristics of changes in typical ecosystem services in northern Shaanxi from 2000 to 2020, to enrich the systematic research framework of ecosystem services, and to provide theoretical support for the sustainable development of northern Shaanxi. [Methods]The ecosystem services including carbon sequestration, water yield, soil conservation, and food supply were quantifies through the use of the InVEST model, RUSLE equation, and NDVI index. Getis-Ord G^*_ianalysis was applied to identify ecosystem services' spatial agglomeration. Anselin Local Moran's I analysis was applied to assess ecosystem services' trade-offs and synergies. [Results](1)From 2000 to 2020, the regions with increases in carbon storage, water yield, soil conservation, and food supply per unit area accounted for 10.23%, 77.91%, 90.44%, and 47.80%, respectively.(2)All types of ecosystem services exhibited agglomeration distribution patterns(p<0.01), with strengthened high-value agglomeration effects and simultaneous increase in low-value agglomeration effects for water yield and food supply services, while the low-value agglomeration effects for carbon sequestration and soil conservation services weakened.(3)The interaction among ecosystem services gradually transitioned from being dominated by trade-offs to being dominated by synergies, with weakening trade-off relationships and the enhanced synergistic relationships among most ecosystem services. [Conclusion]The ecosystem in northern Shaanxi is showing a positive trend, but some towns(townships, streets)still need tailore approaches to alleviate water resource shortages, to improve food supply capabilities, and to promote coordinated development between production and ecology based on local conditions.

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Last Update: 2025-01-10