Using the weighted urban proliferation (WUP) approach to measure the effects of planning strategies on urban sprawl in Poland
Urban sprawl is one of the major challenges facing urbanizing societies. This study quantifies the extent of urban sprawl in southern Poland’s four most populous metropolitan areas, encompassing 164 municipalities, and assesses the effectiveness of spatial planning strategies aimed at limiting sprawl. The first phase of the research establishes comparative parameters for evaluating sprawl across these urban regions. To measure it, we apply the weighted urban proliferation (WUP) method, which comprises three indicators: the proportion of built-up land, the degree of spatial dispersion, and land consumption per capita. The most dispersed metropolitan areas are Rzeszów and Upper Silesia-Zagłębiowska and the most compact are Kraków and Wrocław. In the second phase, we analyze sprawl at the municipal level and examine how specific planning instruments—namely local spatial development plans (MPZPs) and decisions on land development and management conditions (WZs)—influence its occurrence. We correlate the WUP metrics for each municipality with the percentage of land covered by MPZPs in 2018 and the total number of WZs issued from 2009 to 2018.
Click here to read the article in the journal Cities.

The analysis reveals diverse sprawl patterns, shaped by differing historical contexts, planning coverage (MPZPs), and intensity of WZ decisions. Notably, the number of WZs per square kilometer appears to exert a stronger impact on sprawl dynamics than the mere extent of MPZP coverage. Our findings indicate only weak to moderate correlations between the presence of MPZPs and sprawling development, suggesting the need for more targeted and effective anti-sprawl planning policies. This study highlights the critical role of well-designed spatial management tools for coping with urban expansion.








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