2024-03-28T23:40:27Zhttps://www.tdx.cat/oai/requestoai:www.tdx.cat:10803/3864392017-08-29T21:06:37Zcom_10803_1col_10803_12
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Arquitectura del paisatge
Arquitectura del paisaje
Landscape architecture
Ecologia del paisatge
Ecología del paisaje
Landscape ecology
Plantes
Plantas
Plants
Edificis
Edificios
Buildings
Mediterrània (Costa)
Mediterráneo (Costa)
Mediterranean Coast
Green roofs in the mediterranean area : ecophysiological and agronomic aspects = Cubiertas ajardinadas en ambiente mediterráneo: aspectos ecofisiológicos y agronómicos
[Barcelona] :
Universitat de Barcelona,
2016
Accés lliure
http://hdl.handle.net/10803/386439
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Vestrella, Antonio,
autor
1 recurs en línia (220 pàgines)
Tesi
Doctorat
Universitat de Barcelona. Departament de Biologia Vegetal
2016
Universitat de Barcelona. Departament de Biologia Vegetal
Tesis i dissertacions electròniques
Biel Loscos, Carme,
supervisor acadèmic
Savé i Montserrat, Robert, ,
1954-
supervisor acadèmic
López Carbonell, Marta,
supervisor acadèmic
TDX
This study looks at green roofs in a Mediterranean environment. A green roof is a structure installed on the roof of a building and is characterised by a thin substrate layer and limited vegetation growth.
In the last few decades the use of green roofs has become common in North America and Central Europe, though it has only recently begun to spread to the Mediterranean area. There are a variety of different climates in the Mediterranean area, but overall it is differentiated from North America mainly in terms of thermal properties, rainfall variability, and social conditions.
In a Mediterranean context, the specific peculiarities of a green roof are added to by wide temperature variations between day and night, by the effects of climate change, and by the scarce availability of water.
Green roofs can reduce rainwater runoff, thereby lessening the burden on drainage systems, improve the microclimate of buildings (protecting from summer heat and from the cold in winter), and can also help to reduce temperatures in cities as well as contributing to biological diversity.
The trials that were carried out for this study took place in Caldes de Montbui (41° 63´ N 2° 16´ E), 205 metres above sea level, and 30 km from Barcelona (Spain), along the Catalonian pre-coastal mountain range.
We used a number of different green roof simulations and minimal irrigation conditions (0% - 20% - 40% ET0). In the first part of our study we evaluated the adaptability of twelve different species and the way they interacted.
Then we examined the humidity content and substrate temperatures of three species each with a different growth pattern. Our results show that in minimal irrigation conditions there are species which are able to adapt to green roof environments and achieve an increase in biomass as well as adequate vegetational cover and flowering. Different growth forms in the species studied affected the performance of both green roofs in terms of diversity and the capacity to host colonising species. Differences in biomass structure influenced temperature and substrate humidity content.
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