Compte-rendu de fin de projet - Projet ANR-07-JCJC-0081 IP4 (Interaction Privé-Public dans la Production des espaces Périurbains) : Programme Jeunes Chercheurs 2007

Abstract : The production of suburban areas: an international analysis of complex processes Does suburbanization yield to new models in the production of urban space ? The issue raised connects to the genesis of urban edges' areas, and of the underlying forces that structure them. Indeed, private actors contribute to the production of space (professional territorial management, real-estate developers...) ; local public authorities have key strategies (control on land-use, social selection of residents, urban sprawl or slow-growth policies) ; and publicly-owned and managed areas tend to disappear, yielding to a private urbanism in which planned-unit developments are key features. By the means of a comparative study of Paris-Ile-de-France and Los Angeles metropolitan regions, the study aims at investigating both contextual effects and interactions between public and private actors, in producing suburban developments. The project also aims at reinforcing the interactions between academic research and planning, by the means of a partnership with the IAU-IDF. A quantitative and theoretical approach Spatial analysis has been heavily used to characterize the dynamics on the suburban edges. The team, composed by geographers and planners has relied on quantitative methodologies (spatial analysis of road networks, geostatistics) and qualitative interviews ; the fields of economy and sociology have also been covered by the means of interactions with the international research network Private Urban Governance (http://www.gated-communities.de). On the one hand, theories of actors and systems have been mobilized to analyze the qualitative materials (interviews). On the other hand, the analysis of house prices have been instrumental in assessing the effects of local contexts, either because of the static effects of site and location rental ; but also dynamically, with an analysis of market local variations. The implementation of spatial databases (GIS) covering a large sample of surveyed subdivisions and planned communities covers both quantitative information on urban environment and qualitative data acquired during field surveys. Data collected therefore cover two fields, very different in terms of legal, urban and cultural contexts. Major results Multiple actors operate at different levels, according to their own strategies. Nevertheless, the different levels of public bodies of governments are preeminent in shaping the morphologies of suburban developments. Indeed, if residential enclaves clearly derive from the street patterns morphologies, produced by subdividers and developers, the local actors highly contribute to shaping the significance of the phenomenon (isolation, enclosure and gating, dedication of streets, renewal) - by the means of their decisional capacity in terms of local management. Scientific production Besides regular publication output (papers and conferences) and other means of promotion (reports, websites, press and TV interviews), two doctorate thesis will result from the project. Databases created will be distributed by the means of a web-based open access GIS (Mapserver) (http://gated.parisgeo.cnrs.fr). Factual informations The project IP4: (ANR-07-JCJC-0081 CSD9) is a fundamental and applied research project coordinated par Renaud LE GOIX, Associate Prof., University Paris 1 Panthéon-Sorbonne. The consortium is structured by a partnership between the UMR 8504 Géographie-Cités and IAU-Ile-de-France, with other contributing partners : Cardiff University (Dept. CPLAN), ENSG (IGN) and IFU. The project started in 2007, for a total of 36 month. It has received 79159 € of direct funding by the ANR, for a total cost of 114 000 €.
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Renaud Le Goix, Eric Charmes, Delphine Callen, Patricia Bordin, Céline Loudier-Malgouyres, et al.. Compte-rendu de fin de projet - Projet ANR-07-JCJC-0081 IP4 (Interaction Privé-Public dans la Production des espaces Périurbains) : Programme Jeunes Chercheurs 2007. 2011. ⟨halshs-00563469⟩

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