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|Title:||Assessing land take by urban development and its impact on carbon storage: Findings from two case studies in Italy||Authors:||Sallustio, Lorenzo
|Keywords:||Urbanization;Monitoring;Sampling approach;Ecosystem services;InVEST||Issue Date:||2015||Publisher:||Elsevier||Source:||Sallustio, L. et al. 2015. Assessing land take by urban development and its impact on carbon storage: Findings from two case studies in Italy. " Environmental Impact Assessment Review" 54: 80–90||Abstract:||
Land take due to urbanization triggers a series of negative environmental impactswith direct effects on quality of life for people living in cities. Changes in ecosystem services are associated with land take, among which is the immediate C loss due to land use conversion. Land use change monitoring represents the first step in quantifying
land take and its drivers and impacts. To this end, we propose an innovative methodology for monitoring land take and its effects on ecosystem services (in particular, C loss) undermulti-scale contexts. The devised approach was tested in two areas with similar sizes, but different land take levels during the time-span 1990–2008 in Central
Italy (the Province of Rome and theMolise Region). The estimates of total coverage of built up areaswere calculated
using point sampling. The area of the urban patches including each sampling point classified as built up
areas in the year 1990 and/or in the year 2008 is used to estimate total abundance and average area of built up
areas. Biophysical and economic values for carbon loss associated with land take were calculated using InVEST.
Although land take was 7–8 times higher in the Province of Rome (from 15.1% in 1990 to 20.4% in 2008) than in Molise region, our findings show that its relative impact on C storage is higher in the latter,where the urban growth consistently
affects not only croplands but also semi-natural land uses such as grasslands and other wooded lands. The total C loss due to land take has been estimated in 1.6 million Mg C, corresponding to almost 355 million €.
Finally, the paper discusses the main characteristics of urban growth and their ecological impact leading to risks and challenges for future urban planning and land use policies.
|Appears in Collections:||DiSAFRi - Archivio della produzione scientifica|
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