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5
6−10
11−15
16−30
31−55 < −25
−24 to −10
−9 to −5
−4 to −0
Indicator 1: Urban density 2004 (people per ha) In dicator 2: Change in urban density (1996–2004, in %)
50
Indicator 3: Greenfield development rate (new
buildings constructed in new residential areas, 1996–2004)
Journal of Land Use Science 83
0,00−0,70
0,71−0,80
0,81−0,83
0,84−0,85
3.3. Data use
As mentioned above we combined land use information and area statistics for this study.
Land cover data comes from the European Union’s CORINE project (Coordination of
Information on the Environment). Comparable data were available for the years 1990 and
> 0
0,86−0,90
Indicator 4: Effective share of open space (index)
Figure 3. Indicators 1–4. Indicator 1: urban density 2004 (people per hectare); Indicator 2: change in
urban density (1996–2004, in percent); Indicator 3: Greenfield development rate (new buildings
constructed in new residential areas, 1996–2004); Indicator 4: effective share of open space (index).