Xie Xianjian,Gou Qiantao,Huang An.Analysis of spatiotemporal characteristics and driving factors of ecosystem service values in Chongqing City under rapid urbanization[J].Research of Soil and Water Conservation,2025,32(06):348-360,369.[doi:10.13869/j.cnki.rswc.2025.06.025]
快速城市化背景下重庆市生态系统服务价值时空特征及驱动因子分析
- Title:
- Analysis of spatiotemporal characteristics and driving factors of ecosystem service values in Chongqing City under rapid urbanization
- 文章编号:
- 1005-3409（2025）06-0348-13
- Keywords:
- ecosystem service value; spatiotemporal evolution; urban expansion; trade-offs; geodetector; Chongqing City
- 分类号:
- X171.1
- 文献标志码:
- A
- 摘要:
- [目的] 分析快速城市化下生态系统服务价值时空动态及成因，有助于深化理解人地耦合机制，为构建生态安全格局、推动城乡可持续发展奠定基础。[方法] 以重庆市为研究对象，剖析区域内11项生态系统服务价值的空间变异、相互作用模式及影响机理，据此划分不同生态服务功能区。[结果]（1）2000—2020年重庆市土地利用结构显著变化，其中建设用地面积增长最大，20年间增加了2.5倍，86.31%的面积流转于耕地。（2）重庆市生态系统服务价值呈递增态势，其中水文调节功能的价值起主导作用，相当于全部增量的72.75%。（3）重庆市生态系统服务价值空间分异明显呈中间低四周高格局；低值区集中在高度城市化的核心城区及其近郊，高值区位于自然保护区或远离市中心地带。（4）2000—2020年重庆市11种生态系统服务间以协同关系为主，占比89.09%。（5）地理探测器结果显示：社会经济因素对生态系统服务价值空间分异的解释度高于自然因素，主要驱动因子有人口密度、农村人均纯收入、地区生产总值、财政收入水平、土地利用程度及房地产开发。（6）重庆市划分为生态服务增值区、稳态区、退化区3种功能区，面积占比分别为8.34%，78.13%，13.53%。[结论] 2000—2020年重庆市土地利用结构、生态系统服务价值时空动态有显著特征（价值递增、空间分异、服务协同等），社会经济因素主导价值空间分异。
- Abstract:
- [Objective] To analyze the spatiotemporal dynamics and driving factors of ecosystem service value (ESV) under rapid urbanization, thereby deepening the understanding of human-land coupling mechanisms and laying a foundation for constructing ecological security patterns and promoting urban and rural sustainable development. [Methods] Taking Chongqing City as the study area, this study analyzed the spatial variations, interaction patterns, and influencing mechanisms of 11 ecosystem service values within the region, and divided the region into different ecological service functional zones accordingly. [Results](1) From 2000 to 2020, Chongqing City experienced significant changes in land use structure. Specifically, construction land showed the largest expansion, increasing 2.5 times over 20 years, with 86.31% of the land converted from cultivated land.(2) The total ESV in Chongqing City showed an increasing trend, with hydrological regulation contributing dominantlyaccounting for 72.75% of the total increment.(3) The spatial differentiation of ESV in Chongqing City displayed a pattern of lower values in the center and higher values in the surrounding regions. Low-value areas were concentrated in highly urbanized core districts and their suburbs, while high-value areas were located in nature reserves or areas distant from urban center.(4) From 2000 to 2020, synergistic relationships dominated among the 11 ecosystem services in Chongqing City, accounting for 89.09%. (5) Geodetector results showed that socioeconomic factors explained the spatial variation of ESV more effectively than natural factors. The main driving factors included population density, rural per capita net income, gross regional product, fiscal revenue level, land use intensity, and real estate development. (6) Chongqing City was divided into three functional zones： value-added zone(8.34%), stable zone(78.13%), and degraded zone(13.53%). [Conclusion] From 2000 to 2020, Chongqing exhibited distinct spatiotemporal dynamics in land use structure and ESV, characterized by value increase, spatial differentiation, and service synergy. Socioeconomic factors played a dominant role in the spatial differentiation of the ESV.
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备注/Memo
收稿日期：2025-01-03 修回日期：2025-03-20 接受日期：2025-03-28
资助项目：国家自然科学基金项目（42201272）；长江科学院开放研究资助项目（CKWV2017523/KY）
第一作者：谢贤健（1978—），男，四川广汉人，博士，教授，主要从事3S 技术及应用。E-mail：249983710@qq.com