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13:48
Design and Construction of an Urban Runoff Research Facility
Published on: August 8, 2014
Temporal changes in greenspace in a highly urbanized region.
Martin Dallimer1, Zhiyao Tang, Peter R Bibby
1Biodiversity and Macroecology Group, Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK.
Biology Letters
|March 25, 2011
Summary
Urban greenspace increased initially but declined after 2001 policy shifts favoring densification. This highlights the need to balance urban development with preserving vital green spaces for biodiversity and ecosystem services.
Area of Science:
- Urban planning and land use change
- Environmental science and conservation
- Ecosystem services in urban environments
Background:
- Rapid urbanization worldwide necessitates strategic land-use planning.
- Urban greenspaces are critical for improving urban living conditions, biodiversity, and ecosystem services.
- Debates exist between urban sprawl and densification strategies.
Purpose of the Study:
- To investigate the impact of national planning policy on urban greenspace extent in England.
- To analyze temporal patterns of greenspace change in response to policy reforms.
- To understand the dynamic relationship between urban land use and policy.
Main Methods:
- Utilized data from multiple sources for a case study of England's urbanized regions.
- Analyzed temporal changes in greenspace extent between 1991 and 2006.
- Correlated land-use changes with national policy reforms, particularly those favoring densification.
Main Results:
- A net increase in greenspace was observed in most of the 13 studied cities between 1991 and 2006.
- The majority of greenspace gains occurred before 2001.
- Greenspace subsequently declined in nine cities after 2001, coinciding with policy shifts favoring densification.
Conclusions:
- Urban land use is dynamic and highly responsive to national planning policies.
- Policy reforms favoring densification can lead to a decline in urban greenspace.
- Further research is needed to assess trade-offs in densification strategies to secure greenspace benefits.
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