GEOGRAPHICAL RESEARCH ›› 2019, Vol. 38 ›› Issue (10): 2458-2472.doi: 10.11821/dlyj020171164

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The urban space and urban development boundary under the framework of territory spatial planning

GAO Xiaolu1,2,3,WU Danxian1,2,3(),ZHOU Kan1,2,3,LIAO Liuwen1,2,3   

  1. 1. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
    2. Key Laboratory of Regional Sustainable Development Modeling, CAS, Beijing 100101, China
    3. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2017-12-04 Revised:2018-12-14 Online:2019-10-20 Published:2019-10-30
  • Contact: WU Danxian E-mail:wudanxian15@mails.ucas.ac.cn

Abstract:

The assessment of suitability for urban land-use and delimitation of urban space (US) and urban development boundary (UDB) are among the key tasks and is a challenge for carrying out basic evaluation and drawing up the base map of planning in the 'Pilot Program of Province-level Spatial Planning' launched by the State Council in 2016. In line with the framework of spatial planning reform, i.e. to achieve effective governance over national land- use with the tool of "Three Zones and Three Lines" (Three Zones represent ecological space, agricultural space, and urban space; Three Lines represent ecological conservation redline, permanent capital farmland, and urban development boundary), we first explored the conceptual ideas of US and UDB, and appropriate topological relationships and rules, upon which the principles and methodology for assessing suitability for urban land-use and delimitation of US and UDB were determined. Then, based upon the practice in Fujian province, we elaborated the procedures and the method. It was revealed that the proposed principles and methodologies are reasonable and feasible. One aspect that sets the work apart from previous practices is that, US and UDB were designated upon comprehensive assessment of the carrying capacity of resources and environments and the suitability of land for different functions. This improves the balance of urban development activities with resource and environments. In addition, the procedure for drawing up US and UDB incorporates the evaluation of urban development potentials and directions of each land parcel, and considers the objectives of spatial governance over the whole area, thus the randomness of US and UDB is well controlled. This practice is expected to provide useful reference for the improvement of the Chinese spatial planning system.

Key words: territory spatial planning, "Three Zones and Three Lines", suitability assessment, urban space(US), urban development boundary (UDB), spatial governance