地理科学进展 ›› 2019, Vol. 38 ›› Issue (1): 26-37.doi: 10.18306/dlkxjz.2019.01.003

• 研究专题:京津冀协同发展 • 上一篇    下一篇

基于生态-经济权衡的京津冀城市群土地利用优化配置

马冰滢1(), 黄姣2,3, 李双成2,3,*()   

  1. 1. 北京大学深圳研究生院城市规划与设计学院,广东 深圳 518055
    2. 北京大学城市与环境学院,北京 100871
    3. 北京大学地表过程分析与模拟教育部重点实验室,北京100871
  • 收稿日期:2018-02-01 修回日期:2018-08-09 出版日期:2019-01-28 发布日期:2019-01-22
  • 通讯作者: 李双成 E-mail:1501213790@pku.edu.cn;scli@urban.pku.edu.cn
  • 作者简介:

    第一作者简介:马冰滢(1994— ),女,陕西西安人,硕士研究生,主要从事生态系统服务与土地利用优化研究。E-mail: 1501213790@pku.edu.cn

  • 基金资助:
    国土资源部公益性行业科研专项(201511010-3B)

Optimal allocation of land use types in the Beijing-Tianjin-Hebei urban agglomeration based on ecological and economic benefits trade-offs

Bingying MA1(), Jiao HUANG2,3, Shuangcheng LI2,3,*()   

  1. 1. School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, Guangdong, China
    2. College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
    3. Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China
  • Received:2018-02-01 Revised:2018-08-09 Online:2019-01-28 Published:2019-01-22
  • Contact: Shuangcheng LI E-mail:1501213790@pku.edu.cn;scli@urban.pku.edu.cn
  • Supported by:
    Special Fund for Public Welfare Research of Ministry of Land and Resources of China, No. 201511010-3B.

摘要:

探索生态保护与经济发展的权衡关系,并利用该权衡关系协调土地利用优化配置是解决城市群经济与生态协调发展难题的重要途径,已成为目前的一个研究热点。论文针对京津冀城市群生态友好型协同发展的需求,设置生态系统服务价值最大化和经济价值最大化2种优化目标,每种目标下再设置“生态保护”“统筹兼顾”“粮食安全”和“经济发展”4种土地利用情景,采用CLUE-S模型模拟2025年京津冀城市群在不同情景下的土地利用空间配置格局,及其生态系统服务价值、经济价值在不同目标的各种情景下的变化。研究结果表明:相比2015年,2025年在不同目标不同情景下,各类土地利用面积的数量变化和空间格局均有较大不同,且生态目标和经济目标下不同情景的土地利用配置不同。生态系统服务价值在生态目标生态保护情景下最大,为14423.58亿元;而经济价值则在经济目标经济发展情景下最大,为96771.49亿元。从土地利用变化的空间分布上来看,生态用地中林地与草地的增加多出现在坝上高原和燕山与太行山山地,水体的增加则主要分布在东部沿海地区。研究认为,生态效益与经济效益间存在权衡关系,基于生态-经济权衡的土地利用优化研究结果对未来京津冀城市群生态实践工作有较大的参考价值。

关键词: 生态-经济权衡, 土地利用优化配置, CLUE-S模型, 京津冀城市群

Abstract:

In order to achieve harmonious ecological and economic development in urban agglomerations, it is important to explore the trade-offs between environmental protection and economic development, and use this knowledge to optimize land use allocation. This study aimed to simulate land use changes in the Beijing-Tianjin-Hebei urban agglomeration with different goals and under different scenarios in 2025 to identify the optimal land use allocation strategies based on the trade-offs between ecological and economic benefits. In order to meet the land use demands for environment-friendly development in the Beijing-Tianjin-Hebei urban agglomeration, we developed two optimization goals—ecosystem services value maximization and economic value maximization, and four land use scenarios—environmental protection, balanced development, food security, and economic development focus. A CLUE-S model was built to simulate and predict the optimal land use allocation strategy. The results show that the optimal land use allocations with the ecosystem services maximization goal were very different comparing to that with the economic value maximization goal. The ecosystem services value is estimated to be approximately 1442.36 billion Yuan with the ecosystem services maximization goal and under the environmental protection scenarios, more than that with the economic value maximization goal and under the same scenario. Spatially, the increase of ecologically beneficial land-use types, including forest land and grassland, is more often seen in the Bashang Plateau, Yanshan Mountains, and Taihang Mountains. The increase of water areas often occurs in coastal regions in the east. There are significant trade-offs between ecosystem services value maximization and economic value maximization. The results of this trade-off analysis can provide a basis for future ecological projects in the Beijing-Tianjin-Hebei urban agglomeration.

Key words: ecological-economic benefits trade-off, land use allocation, CLUE-S model, Beijing-Tianjin-Hebei urban agglomeration