Transformações territoriais na região centro-sul da área urbana de Santa Maria, Rio Grande do Sul: análise a partir da Avenida Hélvio Basso (1966-2021).

The main purpose of this research consisted on analyze the territorial transformations in the portion center-south of Santa Maria, Rio Grande do Sul (RS)'s urban area using, as empirical object of analysis, Hélvio Basso Avenue in the period between 1966 and 2021. As methodological procedures, making use of "ground truthing", aerial photographs of the 66s, 75s, 83s, 87s, 92s and 2021, as well as satellite images from Google Earth Pro of 2009, 2013, 2014, 2017 and 2021, in addition to urban legislation applied on Santa Maria's territory, most precisely the Director Plannings' zoning. The territorial transformations are occasioned by a number of factors and social agents that, overlapping and on different moments, set the territory in the center-south portion of urban area becoming Hélvio Basso Avenue the main reference in terms of technique density in current times. Is possible to detach the State in the Municipal, State and Federal spheres, as well as the private companies, i. e., the business use of territory as main agent evolved in the development of these processes of territorial transformations in center-south portion of Santa Maria's urban area. [ABSTRACT FROM AUTHOR]