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Géographie d’une ville fragmentée : morphogenèse, gouvernance des voies et impacts de la fermeture résidentielle à Marseille

Abstract : This thesis describes causes and consequences of urban fragmentation linked to gated communities expansion in Marseille (France). This work is based on 10 years of research and field surveys led by geographers. The dynamics of enclosure is very strong from over 20 years in Marseille, especially in peripherical areas, urbanized all along 20th and 21th centuries. New-built residential projects in urban regeneration areas or existing streets closure are very common now and tends to be more and more. By this enclosure phenomenon, we question another elementary city’s object. We analyse street / road in its symbolical (link with public space), functional (enclosure impacts) and juridical (soil law) way. We address enclosure by its origins through a “geohistory” of streets and their private status, local morphogenesis of peripherical road map, marked by an old liberalism politics and informality. Actor’s plurality and their evolution through time about roads management and production reveal important governance stakes. It explains the inheritance and reproduction of a large number of private streets too. Lack of planification and public interventions has promoted enclosure dynamics. We analyse its impact on urban environment and urbanities in 3 ways: cut-offs intensity on urban street continuity and pedestrian moves, contradiction with urban public projects, linked to sustainable politics and at last, conflicts emergence between local residents. We built this work as a research-action, we address the impacts and genesis of this deeply embedded phenomenon.
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Submitted on : Tuesday, September 15, 2020 - 2:23:12 PM
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  • HAL Id : tel-02939260, version 1


Julien Dario. Géographie d’une ville fragmentée : morphogenèse, gouvernance des voies et impacts de la fermeture résidentielle à Marseille. Géographie. Aix Marseille Université (AMU), 2019. Français. ⟨tel-02939260⟩



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