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Cuaderno urbano

versión On-line ISSN 1853-3655


AINSTEIN, Luis. Urbanización, medio ambiente y sustentabilidad en Argentina. Cuad. urbano [online]. 2012, vol.12, n.12, pp.173-189. ISSN 1853-3655.

The processes of population and urbanization expansion in Argentina had adopted a massive character by the end of the XIXth C., and again, during the first decades following the end of WWII. The national level of urbanization already reached these periods levels similar to those of the highest prevalent in other advanced nations. During the most recent decades, however, within the context of much less dynamic population growth, the processes of urban transformations still continued to develop, involving: i) i. the primacy conditions configuring the national urban network; (ii) ii. the internal structural configuration of the urban nodes themselves. The most remarkable trait regarding urban primacies reveals the diminishing orders of high primacy which now characterize the urban network. As to the internal configuration of urban areas the most notable fact is related to the progressive general transformation of relatively compact urban settings into increasingly diffuse regional conurbations patterns of spatial organization involving mostly, but not only, and with much more significant consequences, the largest urban units. The primacy issue can be regarded positively, at least in potential terms, due to the more restricted levels of functional and environmental diseconomies positively correlated with the levels of urban concentration. The urban diffusion issue can only be regarded in a more critical vein in most respects. Within the present framework the environmental consequences of these two processes at both the national and local scales as well as their short and long term impacts become particularly remarkable. The present paper is therefore aimed at considering a set of related issues as follows: a) the dynamics of the level of primacy undergone by the national urban network during the more recent six decades; b) the underlying factors explaining the internal transformations of major Argentinean conurbations; c) the pluridimensional consequences of such circumstances; d) the general outline of a set of public policies dealing on one side with the general structure of the national urban network and on the other with those related to the internal structural transformation of urban agglomerations.

Palabras clave : Argentinean urban network; Urban primacy; Large agglomerates; Compact urbanization; Diffuse regional urbanization.

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