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Article

Biotope Area Factor: An Ecological Urban Index to Geovisualize Soil Sealing in Padua, Italy

1
Department of Historical and Geographic Sciences and the Ancient World—DiSSGeA, University of Padova, 35141 Padova, Italy
2
Department of Civil, Environmental and Architectural Engineering, University of Padova, 35131 Padova, Italy
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(1), 150; https://doi.org/10.3390/su12010150
Received: 6 November 2019 / Revised: 5 December 2019 / Accepted: 19 December 2019 / Published: 23 December 2019
Over the last few years, soil sealing has been recognized as one of the major threats in terms of soil degradation and loss of ecosystem services. Although many efforts have been promoted to increase the awareness of safeguarding soil for stakeholders, its value as a non-renewable resource as well as soil-related services in urban ecosystems is not implemented enough in urban planning and policies. Due to the spatially explicit component and the geographical scale of soil sealing, mapping and quantifying the number of sealed surfaces is crucial. The aim of this paper was to estimate and geovisualize the soil sealed in the city of Padua (Italy) at a very detailed scale, testing the use of the Biotope Area Factor (BAF) index. Moreover, the paper aimed to simulate an alternative mitigation scenario in a specific study area of the city. Spatial analysis was performed testing the BAF index in a Geographic Information Sistem (GIS) environment and using aerial ortho-photos at very high resolution. The results show different values of the BAF index for all four neighborhoods from 0.35 to 0.69. In the mitigation scenario, the value of the BAF index was improved using a measure of green roofs. In conclusion, the paper provides an insightful case study for enriching the debate about soil sealing and gives scientific support for sustainable urban planning. View Full-Text
Keywords: soil sealing; BAF index; mitigation measures; soil protection; urban planning; geovisualization soil sealing; BAF index; mitigation measures; soil protection; urban planning; geovisualization
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MDPI and ACS Style

Peroni, F.; Pristeri, G.; Codato, D.; Pappalardo, S.E.; De Marchi, M. Biotope Area Factor: An Ecological Urban Index to Geovisualize Soil Sealing in Padua, Italy. Sustainability 2020, 12, 150. https://doi.org/10.3390/su12010150

AMA Style

Peroni F, Pristeri G, Codato D, Pappalardo SE, De Marchi M. Biotope Area Factor: An Ecological Urban Index to Geovisualize Soil Sealing in Padua, Italy. Sustainability. 2020; 12(1):150. https://doi.org/10.3390/su12010150

Chicago/Turabian Style

Peroni, Francesca, Guglielmo Pristeri, Daniele Codato, Salvatore E. Pappalardo, and Massimo De Marchi. 2020. "Biotope Area Factor: An Ecological Urban Index to Geovisualize Soil Sealing in Padua, Italy" Sustainability 12, no. 1: 150. https://doi.org/10.3390/su12010150

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