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Ecosystem services and the city: How can ecosystem service mapping aid urban planning decisions?

Ecosystem services and the city: How can ecosystem service mapping aid urban planning decisions?. Name Author. Marthe Laura Derkzen SURE Congress 2013 – Berlin. Urban ecosystem services. Sustainable. Resilient. Liveable. Trees & Design Action Group, 2012.

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Ecosystem services and the city: How can ecosystem service mapping aid urban planning decisions?

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  1. Ecosystem services and the city: How can ecosystem service mapping aid urban planning decisions? Name Author Marthe Laura Derkzen SURE Congress 2013 – Berlin

  2. Urban ecosystem services Sustainable Resilient Liveable Trees & Design Action Group, 2012

  3. Urban ecosystem services: Green infrastructure Develop methods to quantify and map bundles of urban ecosystem services in order to assess the dynamics in supply and demand of ecosystem services and inform urban planning Local climate regulation DEMAND SUPPLY Recreation Urban heat island effect Water retention Moderation noise & air pollution

  4. “Gateway to Europe”: international port and commercial hub Modern city, famous architecture, not a green healthy city Challenges: flooding, heat waves, air pollution Rotterdam Adaptation Strategy: climate-proofing the city Investigate how the ES concept can support urban planning Case study: Rotterdam 600,000 1,300,000 West Virginia University, 2010 TURAS, 2013

  5. Map a bundle of ecosystem services Air purification Carbon storage Stormwater runoff mitigation Noise reduction Temperature regulation Recreation Discover synergies between ES supplying landscape elements Unique use of very detailed spatial data Methodology: Quantification and mapping

  6. Air purification: Literature review • Air purification services are vital for contemporary cities: public health • Vegetation removes pollutants from the air by filtering atmospheric particulates • Pollutant removal capacity depends on: leaf area & distance to pollution source • PM10: most harmful and most effectively removed • Air pollution at the citywide scale: background pollution concentration Run4Air, 2013 Srivastava & Rao, 2011

  7. Air purification: Data • Detailed assessment of urban green landscape elements • Street trees • Public greenspace: herbaceous, shrub, woodland • Semi-public greenspace: allotment gardens, golf court, cemeteries, recreation area • Private greenspace: domestic gardens

  8. Air purification: Data • High level of detail: urban green infrastructure constitutes a substantial surface that provides essential ecosystem services and supports biodiversity conservation

  9. Air purification: Mapping rules • Pollutant removal per greenspace element is a function of • area • distance to road • removal rate Table: PM10removal rate per m2 of greenspace/tree cover*

  10. Air purification: Mapping results

  11. Air purification: Mapping results

  12. Air purification: Mapping results

  13. Air purification: Mapping results

  14. Air purification: Mapping results

  15. Recommendations for urban planning • The most effective air quality improvement emerges from • a mix of GI types and sizes • well thought-out positioning across the city • Evaluate synergies and trade-offs between ES • What is needed where? • And for whom? • Be creative in design: multifunctionality and flexibility

  16. marthe.derkzen@vu.nl www.ivm.vu.nl www.turas-cities.org www.rotterdamclimateinitiative.nl Thank you

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