| Autor: |
Dan, Yi, Xiao-Min, Zhao, Xi, Guo, Li-Hong, Zhao, Han, Zhang, Yi, Han, Subedi, Roshan, Zhi-Jun, Luo |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
Ying yong sheng tai xue bao = The journal of applied ecology. 31(1) |
| ISSN: |
1001-9332 |
| Popis: |
The rational delimitation of urban development boundary plays an important role in guiding the orderly growth of urban space and ensure proper environment health of urban space. In this study, we evaluated the ecological sensitivity of Nanchang City from four aspects (soil erosion, habitat, geological disaster and water resource) and simulated urban expansion in 2020 based on CA-Markov and land use data in 2000, 2010 and 2015. Spatial decision-making analysis of the two aspects was carried out in combination to the future development of the study area. We proposed a new method of delimitating urban development boundary integrating environmental protection and urban development through the dynamic coordination of both aspects. The results showed that ecological sensitivity of Nanchang City was moderate. The scale of urban construction land based on CA Markov simulation was 1239.67 km城市开发边界的合理划定对引导城市空间有序增长、保障城市空间健康发展具有重要作用。本文以南昌市为研究区,从土壤侵蚀、生境、地质灾害和水资源4方面进行生态敏感性评价,同时,基于CA-Markov模型和南昌市2000、2010和2015年土地利用数据对2020年城市扩张进行模拟;结合南昌市未来发展定位,对两方面成果进行空间决策分析;通过两者的动态协调,提出一种综合生态保护和城市发展的新型城市开发边界划定方法。结果表明: 南昌市生态整体属于中度敏感,基于CA-Markov模拟得到的城市建设用地规模为1239.67 km |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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