水土保持研究2025，Vol.32Issue(1)：316-327,335,13.DOI:10.13869/j.cnki.rswc.2025.01.024
陕北地区生态系统服务的时空演变、集聚特征及权衡与协同关系
Spatial and temporal variation,spatial agglomeration and trade-offs and synergies of ecosystem services in northern Shaanxi
摘要
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 In VEST model,RUSLE equation,and NDVI index.Getis-Ord Gi* analysis 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.关键词
生态系统服务/时空演变/集聚特征/权衡与协同/陕北地区Key words
ecosystem services/spatial and temporal variation/spatial agglomeration/trade-offs and syner-gies/northern Shaanxi分类
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安健吉,杨悦,员学锋,苏强俊,安骐岷..陕北地区生态系统服务的时空演变、集聚特征及权衡与协同关系[J].水土保持研究,2025,32(1):316-327,335,13.基金项目
国家自然科学基金项目(42371210) （42371210）
陕西省创新能力支撑计划创新团队项目(2024RS-CXTD-55) （2024RS-CXTD-55）
中央高校基本科研业务费专项资金项目(30010235203) （30010235203）
