Dispersion, fragmentation, and urban segregation in the Metropolitan Region of Piracicaba (MRP)
DOI:
https://doi.org/10.5016/geografia.v50i1.18834Abstract
Based on the relationship between dispersion, fragmentation, and urban segregation, processes that reinforce each other at different scales and result in urban forms that promote social exclusion, we analyzed the expansion of the urban areas of municipalities in the Metropolitan Region of Piracicaba (RMP), located in the interior of the state of São Paulo, between 1990 and 2020. Using a Geographic Information System (GIS) with land cover data from the MapBiomas Project, we measured the area and fragmentation of the urban footprint in each of the 24 municipalities in the RMP using landscape metrics for the years 1990, 2000, 2010, and 2020. The results indicated a 54% increase in the area occupied by the urban footprint and a 19% reduction in the number of fragments over the period. Three growth models were identified as a result of the historical process of urban occupation and the role of each municipality in the urban hierarchy. Measuring the phenomenon of urban footprint expansion in conjunction with urban fragmentation allows for the analysis of the urban occupation process, opening up possibilities for comparison and assisting in the identification of areas of special interest for urban planning at both municipal and regional levels.
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