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应用生态学报 ›› 2022, Vol. 33 ›› Issue (9): 2475-2484.doi: 10.13287/j.1001-9332.202209.026

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基于生态系统服务供需匹配的深圳市生态安全格局构建

赵宇豪1,2, 罗宇航1,2, 易腾云1, 王振宇1, 王娜1,3, 吴健生1,2*   

  1. 1北京大学深圳研究生院城市规划与设计学院, 城市人居环境科学与技术重点实验室, 广东深圳 518055;
    2北京大学城市与环境学院地表过程与模拟教育部重点实验室, 北京 100871;
    3深圳市规划国土房产信息中心, 广东深圳 518040
  • 收稿日期:2021-11-08 接受日期:2022-06-21 出版日期:2022-09-15 发布日期:2023-03-15
  • 通讯作者: * E-mail: wujs@pkusz.edu.cn
  • 作者简介:赵宇豪, 男, 1991年生, 博士研究生。主要从事生态系统服务和生态可持续性研究。E-mail: zhaoyh2017@pku.edu.cn
  • 基金资助:
    国家自然科学基金重点项目(42130505)资助。

Constructing an ecological security pattern in Shenzhen, China, by matching the supply and demand of ecosystem services

ZHAO Yu-hao1,2, LUO Yu-hang1,2, YI Teng-yun1, WANG Zhen-yu1, WANG Na1,3, WU Jian-sheng1,2*   

  1. 1Key Laboratory for Urban Habitat Environmental Science and Technology, School of Urban Planning and Design, Peking University, Shenzhen 518055, Guangdong, China;
    2Ministry of Education Key Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China;
    3Shenzhen Municipal Planning and Land Real Estate Information Center, Shenzhen 518040, Guangdong, China
  • Received:2021-11-08 Accepted:2022-06-21 Online:2022-09-15 Published:2023-03-15

摘要: 构建基于生态系统服务供需匹配的生态安全格局对于深圳市实现中国特色社会主义先行示范区中的可持续发展先锋和民生幸福标杆的战略定位具有重要意义。选取水源供给、碳固持和游憩服务,通过InVEST模型、生态供需比、手机信令数据分析以及电路理论等方法,识别深圳市生态系统服务综合供需状态,构建耦合生态系统服务供需的生态安全格局,并探讨了不同划定界限对生态源地面积和个数的影响。结果表明: 深圳市综合生态供需比大体呈现东部充裕、西部不足的分布状态,其中,水源供给服务在数量和空间分布上均基本满足需求,碳固持服务则相反,而游憩服务虽然数量上可以满足需求,但空间分布极度不均;识别出总面积为347.62 km2的25块生态源地以及总长度为346.06 km的34条生态廊道,其中,生态源地面积呈现东多西少的分布状态,廊道长度呈现相反的分布趋势;不同的划定界限对生态源地面积和个数的影响不同,一级、二级和三级生态源地面积分别为347.62、520.84和557.58 km2,呈逐步增加趋势,源地个数分别为25、35和32个,呈现出先增后减的变化趋势;深圳市存在未纳入生态管控的重要生态斑块且生态控制线内部分斑块生态可持续性较差,可据此制定针对性的保护和管理政策。研究结果可以为深圳市生态管控单元的划定提供空间指引。

关键词: 生态可持续性, 生态系统服务, 生态供需比, 电路理论, 手机信令数据

Abstract: Constructing an ecological security pattern by matching the supply and demand of ecosystem services is of great significance for Shenzhen, China. To determine the strategic positioning of sustainable development pioneers and benchmarks for human well-being in a pilot demonstration area of socialism with Chinese characteristics, we selected water yield, carbon sequestration, and recreational services to identifiy the integrated supply and demand status of ecosystem services in Shenzhen using the InVEST model, ecological supply-demand ratio, cell phone signalling data analysis, and circuit theory. An ecological security pattern based on the matching of supply and demand of ecosystem services was constructed. We further examined the impacts of different delimitation boundaries on the area and number of ecological sources. The results showed that the comprehensive ecological supply-demand ratio in Shenzhen generally showed a distribution pattern of abundant in the east and scarce in the west. Among them, water yield services met the demand in terms of quantity and spatial distribution, but carbon sequestration services can not. Recreational services met the demand in terms of quantity, but their spatial distribution was extremely uneven. We identified 25 ecological sources covering a total area of 347.62 km2 and 34 ecological corridors with a total length of 346.06 km. The ecological source area was large in the east and small in the west, while the length of the corridors showed the opposite distribution pattern. Different delineation boundaries had different effects on the area and number of ecological sources. Primary, secondary, and tertiary ecological source areas cover 347.62, 520.84, and 557.58 km2, respectively, showing a gradual increasing trend, the numbers of ecological sources were 25, 35, and 32, showing an increasing then decreasing trend. In Shenzhen, there were important ecological patches that were not included in the ecological control line, and some patches within the ecological control line had poor ecological sustainability. Targeted protection and management policies could be formulated based on such pattern. The results could provide spatial guidance for the delimitation of ecological management and control units in Shenzhen.

Key words: ecological sustainability, ecosystem service, ecological supply-demand ratio, circuit theory, mobile phone signaling data