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Applying SEA to Urban Planning in Japan: The Use of SCIs for Ecological Consideration

This study explores the applicability of Strategic Environmental Assessment (SEA) to urban planning in Japan, with a focus on incorporating ecological considerations. It introduces Spatial Composite Indicators (SCIs) as a tool for evaluating urban planning, using geographic data to identify land use conflicts and promote public consensus. The study also highlights the need for disaster prevention and ecological network construction in Chigasaki, Japan, and encourages the preservation of agricultural land and tree planting in urbanized areas.

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Applying SEA to Urban Planning in Japan: The Use of SCIs for Ecological Consideration

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  1. IAIA 07 Concurrent Sessions CS19.1361. Applicability of Strategic Environmental Assessment (SEA) to Urban Planning in Japan • by Mizuo Kishita, Mihoko Matsuyuki, and Sadatsugu Nishiura

  2. Purpose of Study • Application of SEA to urban planning necessary. • Present Master Plan focuses on economic and social aspects, but not on ecological. • More ecological consideration necessary. • Spatial Composite Indicators (SCIs) tesed.

  3. Bird’s View of Chigasaki Chigasaki

  4. SCIs • Geographic data collected for sustainability analysis. • Spatial Composite Indicators (SCIs) prepared using geographic data. • Chigasaki needs more consideration on disaster prevention from earthquakes, and ecological network constructuion.

  5. High Risk Area for Earthquake • High Risk of Fire • Ratio of wooden houses • Ratio of build-up area • Ratio of road density

  6. Ratio of Wooden Houses

  7. Ratio of Build-up Area

  8. Ratio of Road Density

  9. High Risk of Fire Ratio of Build-up Area (1)High wooden house ratio more than 80%, (2) High build-up area ratio more than 20%, and(3) Low road density less than 10% Ratio of Road Density

  10. High Risk Area for Earthquake • High Risk of Building Collapse • Liquefiable site • Ratio of wooden houses • Ratio of old wooden houses High-ratio wooden houses area

  11. Risk of liquefiable site High Risk Middle Risk Law Risk

  12. Ratio of Wooden Houses

  13. Ratio of Old Wooden Houses

  14. High Risk of Building Collapse (1)High wooden house ratio, (2)High old wooden house ration, (3)High risk of liquefiable 番屋２ 南湖２丁目

  15. Ecological Network • Green land use • Habitat

  16. Land Use (natural and agricultural) Forest Paddy Field Field Park Water front Golf links Seaside

  17. Habitat Reptiles Mammals Bugs Plants Plants Birds

  18. Potential Ecological Network Reptiles Mammals Bugs Plants Plants Birds Preservation of agricultural land necessary. Preservation of agricultural land and tree planting at houses and streets to be encouraged

  19. Agricultural Land Use in Urbanized Area

  20. SCIsas tool evaluating urban planning • SCIs evaluated useful tool in identifying land use conflicts among economic, social, and ecological in urban area. • SCIs also useful in establishing public consensus. • Use of SCIs to be effective in applying SEA to urban planning.

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