摘要
我国快速城市化进程中建设用地扩张大多呈现无序扩张趋势,对区域生态造成了巨大压力.基于生态学原理,构建了生态敏感区划的技术框架;识别了福州的主要生态敏感问题,对其进行了系统的生态敏感评价;并制定了应对建设用地快速扩张的生态敏感区划;最后对基于敏感区划的生态空间政策进行了评估.结果表明,福州市域适建区、限建区和禁建区所占比例分别为26.2%、71.9%和1.9%;基于福州2000—2009年的实证分析,禁建区内的建设扩张用地,各类生态敏感用地的比例都在88%以上,远高于适建区内的扩张用地;将建设用地控制在适建区内,可以有效地降低生态风险水平,引导城镇建设用地良性发展.
The rapid construction land growth poses a great risk to the ecosystem. A technique framework of ecological sensitivity zoning was proposed based on ecological principle and employed to control the sprawl of the construction land in Fuzhou. Acid rain, geological hazards, soil erosion, drinking water conservation were identified as main ecological problems and their ecological sensitivity were systematic assessed. Then, the spatial policy of ecological sensitivity zoning was made and evaluated. Result showed that the whole region was classified as feasible construction region, limited construction region and forbidden construction region; which accounted for 26.2%, 71.9% and 1.9% of the assessment area, respectively. The empirical study of Fuzhou （2000 -2009） demonstrated that the construction land expansion in forbidden construction region had high ratios of ecological sensitive area, which were all more than 88% and much higher than that in feasible construction region. It suggested that the construction land should be limited in feasible construction region, which will reduce ecological risks and allow a sustainable construction land growth.
出处
《复旦学报（自然科学版）》
CAS
CSCD
北大核心
2013年第6期836-844,共9页
Journal of Fudan University：Natural Science
基金
国家社会科学基金资助项目(06&ZD024)
国家自然科学基金资助项目(41171432/D011201)
国家科技部"十一五"科技支撑计划资助项目(2008BAJ10B01)
上海市自然科学基金资助项目(11ZR1401900)
关键词
建设用地
生态敏感性
技术框架
政策评估
福州
construction land
ecological sensitivity
technique framework
policy evaluation
Fuzhou
