长江流域资源与环境 >> 2020, Vol. 29 >> Issue (11): 2450-2461.doi: 10.11870/cjlyzyyhj202011012

• 生态环境 • 上一篇    下一篇

江淮生态经济区土地利用格局及生态系统服务价值变化

胡毅1,2,乔伟峰1,2,3* ,何天祺1,2   

  1. (1.南京师范大学地理科学学院,江苏 南京210023;2.南京师范大学乡村振兴研究院,江苏 南京 210023;
    3.江苏省地理信息资源开发与利用协同创新中心,江苏 南京210023)
  • 出版日期:2020-11-20 发布日期:2020-12-17

Changes of the Land Use Pattern and Ecosystem Service Value in Yangtze-Hwai Ecological Economic Zone

HU Yi 1,2, QIAO Wei-feng 1,2,3, HE Tian-qi 1,2   

  1. (1. College of Geography, Nanjing Normal University, Nanjing 210023, China; 2. College of Rural Vitalization,
    Nanjing Normal University, Nanjing 210023, China; 3. Jiangsu Center for Collaborative Innovation in
    Geographical Information Resource Development and Application, Nanjing 210023, China)
  • Online:2020-11-20 Published:2020-12-17

摘要: 基于2005~2015年土地利用变更调查数据,结合土地利用变化模型和生态系统服务价值理论,分析了江苏省江淮生态经济区县域单元土地利用结构演化规律及生态系统服务价值变化。结果表明:研究期间建设用地、水域面积增加的最多;土地利用程度指数呈现北高南低的空间格局;生态系统服务价值略有上升,空间上总体为南高北低的格局,呈现市区较低,周边县(市)较高的现象;研究期内水域对于江淮生态经济区生态系统服务价值的贡献和生态环境的调控作用十分显著;结合区域建设开发现状,利用生态系统服务价值敏感性指数,在县域尺度上将研究区划分为以下五种类型:优先保护区、优先开发区、保护均衡区、开发权衡区、开发调整区,并提出建设开发策略,以期为江淮生态经济区开发建设、环境保护提供科学指引。

Abstract: Based on the data of land use change survey from 2005 to 2015, combined with land use change model and ecosystem service value theory, it analyzes the evolution law of land use structure and changes of ecosystem service of county units in Yangtze-Hwai Ecological Economic Zone, Jiangsu province. The results show that the area of construction land and water area increased most greatly during the study period; the land use degree index shows a spatial pattern of high north and low south. the ecosystem service value increases slightly, and it was higher in the southern than the northern part of the study area, and the pattern shows that the urban area is low and the surrounding counties are higher; during the study period, the contribution of water area to the ecosystem service value and the regulation of the ecological environment the ecological economic zone in Yangtze-Hwai area are significant; combined with the status quo of regional construction and development, the study area is divided into the following five types on the county scale by using the ecosystem service value sensitivity index: priority conservation area, priority development zone, balanced protection zone, balanced development zone, adjustment development zone. The construction and development strategy have also been proposed to guide the development, construction and environmental protection in the ecological economic zone in Yangtze-Hwai Ecological Economic Zone scientifically.

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