Landscape ecological security response to land use change in the tidal flat reclamation zone, China

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• 作者：Runsen Zhang ; Lijie Pu ; Jianguo Li ; Jing Zhang…
• 关键词：Landscape ecological security ; Land use change ; Reclamation ; Periodic feature ; Rudong County
• 刊名：Environmental Monitoring and Assessment
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：188
• 期：1
• 全文大小：1,247 KB
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• 作者单位：Runsen Zhang (1) (2)
  Lijie Pu (2) (3)
  Jianguo Li (2)
  Jing Zhang (2)
  Yan Xu (2)
  
  1. Graduate School of Engineering, Kyoto University, Kyoto, 6158540, Japan
  2. School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing, 210023, China
  3. The Key Laboratory of the Coastal Zone Exploitation and Protection, Ministry of Land and Resources, Nanjing, 210023, China
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Monitoring, Environmental Analysis and Environmental Ecotoxicology
  Ecology
  Atmospheric Protection, Air Quality Control and Air Pollution
  Environmental Management
  
• 出版者：Springer Netherlands
• ISSN：1573-2959

文摘

As coastal development becomes a national strategy in Eastern China, land use and landscape patterns have been affected by reclamation projects. In this study, taking Rudong County, China as a typical area, we analyzed land use change and its landscape ecological security responses in the tidal flat reclamation zone. The results show that land use change in the tidal flat reclamation zone is characterized by the replacement of natural tidal flat with agricultural and construction land, which has also led to a big change in landscape patterns. We built a landscape ecological security evaluation system, which consists of landscape interference degree and landscape fragile degree, and then calculated the landscape ecological security change in the tidal flat reclamation zone from 1990 to 2008 to depict the life cycle in tidal flat reclamation. Landscape ecological security exhibited a W-shaped periodicity, including the juvenile stage, growth stage, and maturation stage. Life-cycle analysis demonstrates that 37 years is required for the land use system to transform from a natural ecosystem to an artificial ecosystem in the tidal flat reclamation zone. Keywords Landscape ecological security Land use change Reclamation Periodic feature Rudong County