- Copenhagen Fingerplan 2007
Danish Ministry of the Environment
Copenhagen, Denmark
Credit: Danish Ministry of the Environment - Ontario Canada Green Belt
The Friends of the Greenbelt Foundation
Ontario, Canada
Credit: The Friends of the Greenbelt Foundation. Licensed under Creative Commons. - Land Use Plan Berlin
Berlin, Germany
Credit: Senate Department for Urban Development and the Environment - Metro Future Growth and Preservation Areas
Metropolitan Area Plannign Council (MAPC)
Boston, Massachusetts, United States
Credit: Metropolitan Area Planning Council (MAPC) - Metropolitan Region Scheme
Department of Planning, Western Australian Planning Commission
Perth, Western Australia, Australia
Credit: Department of Planning, Western Australian Planning Commission - Regional Transportation Plan 2030: Planned Future Land Use Growth
Madison Area Transportation Planning Board
Dane County, Wisconsin, United States
Credit: Madison Area Transportation Planning Board - Portland Urban Growth Boundary
Metro
Portland, Oregon, United States
Credit: Metro - England's Green Belts
England, United Kingdom
Credit: Dan Palmer and Mark Oliver - Zoning Plan and Regulations 2030, Development Strategy for ArRiyadh
ArRiyadh, Saudi Arabia
Credit: ArRiyadh Development Authority, KSA
定居区应有明确的边界,这有助于限制定居区的无序蔓延,保护栖息地带和自然资源。
随着区域、城市及城镇的发展,其边缘区向外扩张,产生蔓延交通流量增加以及其特征的逐渐丧失,扩张同时也会增加基础设施所承受的压力,并使自然资源受到威胁。
在规划定居区时,应当考虑界定边界增长以实现:
- 有效保护自然资源和敏感的栖息地;
- 结合对人口增长的预测;
- 在现有城镇填充、改造与交通枢纽上直接发展;
- 允许相邻地区发展以公共交通为导向的新区;
- 建立或保护动植物的迁徙走廊。
当在所定的边界内进行填充和发展无法继续支撑新的增长时,可考虑规划独立的定居区,但其仍需由公共交通枢纽来支撑。