ISHS Acta Horticulturae 643: International Conference on Urban Horticulture
GREEN ROOFS - HOW NATURE RETURNS TO THE CITY |
| Author: | S. Brenneisen |
| Keywords: | urban ecology, nature conservation, biodiversity, urban planning, water retention |
| DOI: | 10.17660/ActaHortic.2004.643.37 |
| Abstract:
Following a promotional campaign in 1996, green roofs have become an important factor in urban planning in the city of Basel, Switzerland. An investigation based on an urban ecological assessment proved the significance of green roofs for modern town-planning strategies. It showed that the extent of the area with a high environmental load could be reduced from 19% to 2% of the total. Furthermore, bio-ecological surveys underlined the need for the development of green roof concepts at the scale of the town. The wide range of vegetation found on green roofs and the variety of designs available provides examples of ecological compensation that can be varied according to the natural and social surroundings. | |
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