Assessing the spatiotemporal changes and drivers of ecological security by integrating ecosystem health and ecosystem services in Loess Plateau, China  

综合生态系统健康和生态系统服务评估黄土高原生态安全时空变化及驱动因素

作　　者：HUI Le WANG Hao LIU Jiamin TANG Butian LI Zongshan ZHANG Liwei JIAO Lei 惠乐;王浩;刘嘉敏;唐不甜;李宗善;张立伟;焦磊

机构地区：[1]School of Geography and Tourism,Shaanxi Normal University,Xi'an 710119,China [2]State Key Laboratory of Urban and Regional Ecology,Research Center for Eco-Environmental Sciences,CAS,Beijing 100085,China

出　　处：《Journal of Geographical Sciences》2025年第3期459-482,共24页地理学报(英文版)

基　　金：National Natural Science Foundation of China,No.42371103;Natural Science Basic Research Plan in Shaanxi Province of China,No.2023-JC-YB-229。

摘　　要：Understanding the local ecological security status and its underlying drivers can be used as an effective reference for balancing ecosystem development with societal needs. This study assesses the ecological security of the Loess Plateau(LP) by integrating ecosystem health and ecosystem services, explores the varying impacts of ecosystem structure, quality, and services on ecological security index(ESI), and identifies the key driving factors of ESI using the Geodetector model. The results show that:(1) the average ESI indicates a relatively safe ecological status in LP with a significant increase in ESI observed in 50.21% of the region, largely due to the ecological restoration programs.(2) Natural factors predominantly influence ESI, although human factors play a significant role in the earthy-rocky mountain region and plateau wind-sand region.(3) The interactions between driving factors have a much greater impact on ESI than any single factor, with the interactions between precipitation and human factors being the most influential combination. This study provides a novel perspective on assessing ecological security in LP. We recommend that future ecological restoration efforts should consider the varying roles of ecosystem structure, quality, and services in ESI while tailoring strategies to the primary driving factors based on local conditions.

关 键 词：ecological security spatiotemporal changes driving mechanism Geodetector Loess Plateau 

分 类 号：X171.1[环境科学与工程—环境科学] X826[天文地球—地图制图学与地理信息工程] P208[天文地球—测绘科学与技术]