The conservative process in urban systems restricts co-presence in order to conserve or reproduce culture patterns. It typically refers to residential areas in cities.
Hillier, B. & Netto, V. (2002), Society seen through the prism of space: outline of a theory of society and space, Urban Design International 7, 181-203. pp. 182;
Hillier, B. (1996, 2007), Space is the Machine: A Configurational Theory of Architecture. Space Syntax: London, UK. pp. 201