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Exploring informal urban greenspace in Brisbane and Sapporo

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See "slide notes" for comments/contexts/quotes from residents!

Presentation based on a talk I gave for the URP 2013 Gold Coast Seminar Series, Griffith University, February 2013.

The talk introduces informal urban greenspace, its definition and how I studied it. I then describe the ecology and use of some IGS types in more detail (street verges, gaps, vacant lots, railway verges and waterside areas). The residents of Brisbane and Sapporo voice their opinion on informal greenspace. I end the presentation with some thoughts on methodology.

Contact: focx@focx.de - http://www.treepolis.org - this presentation is under a CC-BY-SA license.

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Exploring informal urban greenspace in Brisbane and Sapporo

  1. Exploring informal urban greenspace in Brisbane and SapporoChristoph RupprechtURP 2013 Gold Coast Seminar Series, Griffith University
  2. • What is informal greenspace?• How did I study it?• Exploring informal greenspace• Flâneur – walking the city Source: Del Tredici
  3. How people describe informal greenspace
  4. What is informal greenspace?• Not recognised or managed by owner as – recreational space – agricultural space – conservation space• Previously modified• Spontaneous vegetation
  5. IGS Typology Basic types: 1. Verge 2. Lot 3. Gap 4. Brownfield 5. Powerline 6. Railway 7. Waterside 8. Structural 9. Microsite
  6. Study locations Brisbane SapporoFounded 1824, city status 1902 1868, city status 1922Population 1,07 mil. (2010)  1,3 mil. (2031) 1,9 mil. (2011)  1,8 mil. (2030)Pop. density 770/km2 (peak >5,000/km2) 1,700/km2 (peak >8,000/km2)Local parks 32m2 per person 12m2 per person Source: Google Maps Source: Google Maps
  7. Data collection Source: Sapporo City1. Spatial, GIS and IGS attribute data • IGS proportion & type • Accessibility • Human use2. Ecological data • vegetation structure • bird species occurrence3. Social data: • Resident survey on IGS use, attitude and urban nature attitude • central planning policy documents (Sapporo Green Plan, Brisbane City Plan) Source: Sapporo
  8. Sampling1km sampling site 10m IG S City centre 50m bird point count location 0 50 100 example on edge of site, chosen for max. field of sight % IGS cover 10km 10x10km grid with 121 sampling sites
  9. Street verges: ecology
  10. Succession without high energy/labour maintenance
  11. Street verges: use
  12. Street verges:use & modification
  13. Gaps: ecology
  14. Gaps: use
  15. Lots: ecology
  16. Lots: use(able?) Source: Hayashi 1999
  17. Lots: use
  18. Railway: ecology
  19. Railway: use
  20. Railway: re-use
  21. Waterside: ecology
  22. Waterside: use
  23. IGS impressions & residents’ voices: Brisbane“It’s REAL,not FAKElike a park”
  24. Feelings
  25. Use / non-use
  26. Children
  27. Negativecomments
  28. Philosophy
  29. IGS impressions & residents’ voices: Sapporo“Green only in designated spaces?That’s unnatural.”
  30. Feelings
  31. Use
  32. Children
  33. No Don’t enter!playing!
  34. Negative comments
  35. Philosophy
  36. Flâneur – walking the city
  37. Want to see more?• Follow on Twitter: @focx• Web: www.treepolis.org

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