Defragmenting the fragmented urban landscape (DEFRAG)

对支离破碎的城市景观进行碎片整理 (DEFRAG)

基本信息

  • 批准号:
    NE/W002906/1
  • 负责人:
  • 金额:
    $ 63.98万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2021
  • 资助国家:
    英国
  • 起止时间:
    2021 至 无数据
  • 项目状态:
    未结题

项目摘要

The UK has an exciting opportunity to radically improve the urban environment through the government's commitment to the creation of more "green infrastructure" (GI) in our town and cities. It is recognised that urban GI delivers multiple benefits to nature and society, by increasing biodiversity, enhancing those ecosystem services (such as air quality improvement, removing carbon dioxide from the air, and reducing flood risk) and improving the health and wellbeing of urban residents by living and working in a biodiverse rich environment. This extends to the role that rivers, streams, canals and other water bodies also play - the "blue" infrastructure and both are heavily constrained by the built, "grey" infrastructure. Urban GI exists as a patchwork of fragments of varying size, shape and composition within intensely complex and fragmented landscapes. This makes the identification of key biological processes linking urban landscapes to multiple ecological functions very difficult. Connectivity between green fragments can have much larger effects on the relationship between ecological structure and functioning than simple patch sizes. There is thus a need to understand how patches and their connectivity alter biological communities and ecological functioning. A key challenge faced by planners when investing in Green and Blue Infrastructure is how this should be designed and configured, so that the interactions between the green-blue-grey infrastructures will most effectively deliver multiple benefits. We shall be working closely with the general public, local authorities, NGOs and local businesses as Project Partners throughout the lifetime of the project. Improved understanding of multiple benefits from greenspace (improved air quality and health outcomes, biodiversity, carbon storage, etc.) can help stimulate engagement with, and uptake of GI solutions at a local scale, by "co-designing" such interventions.The project will have six work packages:WP1 Site selection and spatial survey: determining the relationship between urban spatial configuration, air quality and soil moisture, and the influence on these of biodiversity and local meteorology using sites in Luton, Bedford and Milton Keynes.WP2 Urban Observatory GI manipulations: real world and controlled experiments to investigate the impact of interventions on air quality, water and biodiversity.WP3 Mechanistic Modelling of urban ecological networks: better understanding how urban fragmentation and structure influence: i) air purification services; and ii) cascading effects of urban structure, air pollution and water availability on urban trophic networks.WP4 Integrated Modelling to assess the effects of altered greenspace structure and management: development of Bayesian hierarchical models to (i) allow 'virtual' scenarios to assess to the effects of altered GI on air quality, water regulation and biodiversity; and (ii) provide information for inputs to other WPs.WP5 Barriers to effective GI interventions: understanding the barriers to successful implementation of GI and identifying enabling mechanisms.WP 6 Impact: engagement with key users and stakeholder groups to understand their requirements and so that new knowledge is transferred to critical decision makers.This project aims to deliver new knowledge on how urban form affects biodiversity, biological processes and ecosystem services derived from them. This information can be used to design healthier and more resilient urban environments through targeted interventions with green, blue, and grey infrastructures, while improving our understanding of current barriers to implementation. The work will focus on the interventions that improve air quality, enhance water management, and safeguard and enhance biodiversity.
英国有一个令人兴奋的机会,通过政府承诺在我们的城镇和城市创造更多的“绿色基础设施”(GI),从根本上改善城市环境。人们认识到,城市地理信息系统通过增加生物多样性,增强生态系统服务(如改善空气质量,消除空气中的二氧化碳,降低洪水风险),并通过在生物多样性丰富的环境中生活和工作来改善城市居民的健康和福祉,为自然和社会带来多重利益。这延伸到河流、小溪、运河和其他水体也发挥的作用--“蓝色”基础设施,两者都受到已建成的“灰色”基础设施的严重制约。城市地理信息系统是在高度复杂和分散的景观中,由不同大小、形状和组成的碎片拼凑而成的。这使得识别将城市景观与多种生态功能联系起来的关键生物过程变得非常困难。绿色碎片之间的连接性可以有更大的影响生态结构和功能之间的关系比简单的斑块大小。因此,有必要了解斑块及其连通性如何改变生物群落和生态功能。规划者在投资于绿色和蓝色基础设施时面临的一个关键挑战是,应该如何设计和配置这些基础设施,以便绿色-蓝色-灰色基础设施之间的互动能够最有效地提供多种好处。我们将与公众、地方当局、非政府组织和当地企业密切合作,作为项目的合作伙伴。更好地理解绿色空间的多重效益(改善空气质量和健康成果、生物多样性、碳储存等)通过“共同设计”此类干预措施,可以帮助促进参与并在当地范围内采用地理信息解决方案。该项目将有六个工作包:WP 1选址和空间调查:确定城市空间配置、空气质量和土壤湿度之间的关系,以及生物多样性和当地气象学对卢顿、贝德福德和米尔顿凯恩斯的影响。WP 2城市观测地理信息操作:真实的世界和控制实验,以调查干预措施对空气质量,水和生物多样性的影响。WP 3城市生态网络的机制建模:更好地了解城市碎片化和结构如何影响:i)空气净化服务;城市结构的连锁效应,空气污染和水的可利用性对城市营养网络的影响。WP 4综合模拟评估改变绿地结构和管理的影响:贝叶斯分层模型的发展(i)允许“虚拟”情景来评估改变GI对空气质量、水资源管理和生物多样性的影响;(ii)为其他WP提供信息。WP 5有效GI干预的障碍:了解成功实施地理信息系统的障碍,并确定支持机制。WP 6影响:与关键用户和利益相关者群体接触,了解他们的需求,以便将新知识传递给关键决策者。该项目旨在提供有关城市形态如何影响生物多样性的新知识,生物过程和由此产生的生态系统服务。这些信息可用于通过有针对性的绿色、蓝色和灰色基础设施干预来设计更健康、更具弹性的城市环境,同时提高我们对当前实施障碍的理解。这项工作将侧重于改善空气质量、加强水管理以及保护和加强生物多样性的干预措施。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Biodiversity and environmental stressors along urban walking routes
  • DOI:
    10.1016/j.ufug.2023.127951
  • 发表时间:
    2023-04
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Briony A. Norton;M. Mears;Ph. Warren;G. Siriwardena;K. E. Plummer;Tim Turner;S. Hancock;Darren R. Grafius;K. Evans
  • 通讯作者:
    Briony A. Norton;M. Mears;Ph. Warren;G. Siriwardena;K. E. Plummer;Tim Turner;S. Hancock;Darren R. Grafius;K. Evans
Greater local cooling effects of trees across globally distributed urban green spaces
全球分布的城市绿地中的树木具有更大的局部降温效果
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Karl Evans其他文献

Karl Evans的其他文献

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