La resilienza si riferisce all'abilità dei sistemi complessi socio-ecologici di cambiare, adattarsi e di trasformarsi nel tempo in risposta a stress e tensioni di varia natura (Carpenter, et al., 2005, in Davoudi, 2012). Secondo l'approccio evolutivo, la resilienza sviluppa in un sistema territoriale l'abilità di interfacciarsi con i disturbi endogeni o esogeni, raggiungendo uno stato nuovo e provvisorio. I processi non-lineari di trasformazione ed evoluzione che coinvolgono le varie componenti naturali ed antropiche del sistema socioecologico sono caratterizzati da flessibilità, auto-organizzazione, contingenza, e dinamismo, al fine di riconoscere e accettare le condizioni di incertezza, cambiamento e sorpresa che affliggono la contemporaneità. Nell'ambito europeo della pianificazione spaziale però, l'incontro tra i modelli tradizionali basati su rigore, razionalità e controllo, e le "incertezze ontologiche" della prospettiva resiliente conduce verso un grande scontro concettuale. L'apertura della disciplina a strategie flessibili e piani meno omnicomprensivi è ancora in via di sviluppo, con un acceso dibattito accademico ed una situazione europea eterogenea. Partendo così dalle principali interpretazioni e discussioni teoriche elaborate a tale proposito sinora, la tesi intende formulare considerazioni utili sull'andamento dell'integrazione concettuale, anche attraverso la lettura di alcune pratiche europee che indirizzano le pratiche di pianificazione verso una prospettiva di resilienza.

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