The Urban Environment

The Urban Environment - One process by which natural areas...

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o The Urban Environment The city is one of the most striking features of our modern era, basic to many of the characteristics of modern society. The Origin and Evolution of Cities. Preindustrial cities were primarily small affairs. Urbanization has proceeded rapidly during the past 180 years, resulting in industrial-urban centers, metropolitan cities, megalopolises, and global cities. Patterns of City Growth. Sociologists provide a number of models of city growth: the concentric circle model, the sector model, and the multiple nuclei model. Ecological Processes: Segregation and Gentrification. The structural patterning of cities derives from a number of underlying ecological processes.
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Unformatted text preview: One process by which natural areas are formed is segregation. Invasion and succession are also critical ecological processes. Urban gentrification is the return of middle-class professionals to older urban neighborhoods. Urban Crisis: Cities in Decline. Urban decline in many American cities has been both descriptive and functional. Sprawling Urban Growth: The Rise of "Edge" Cities. "Outer cities,""minicities," or "edge cities" have been made possible by beltways and expressways, and the development of a service-based economy in which telecommunications allow service-sector firms to locate anywhere....
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