An na al le el le e U Un ni iv ve er rs si it tă ăţ ţi ii i d di in n O Or ra ad de ea a, , S Se er ri ia a G Ge eo og gr ra af fi ie e X XX XI IX X, no. 1/ /2 20 01 19 9, pp.79 9-9 91 1

The purpose of the article is to analyze the evolution of the school population in the Apuseni Mountains in the range 1992-2017. For the implementation of the article we needed statistical data that we took over from the National Institute of Statistics. After they were obtained, they were processed in Microsoft Excel, and then the database was built that was introduced in the ARC Gis 10.3 program. After entering data in geographic information systems, a number of maps were generated on the herd, decreases and population increases during the period mentioned. The school population has been and is influenced by the migratory dynamics of the population. As the young population leaves and does not come back, it remains the elderly population that can no longer reproduce. The few administrative units in which the school population grew was due to the positive evolution of ethnicities.

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The aim of the study is to comprise in one work the cyclicality and ethnic and religious continuity of the Petroşani Depression between 1850-2011. In the second half of the 19th century, the depression was subjected to cycles of colonization that had consequences for the ethnic and religious structure. The ethnic and religious continuity was preserved throughout this period, even though after 1930, some of the settlers remigrated to their birthplace. Compared to the late 19-century censuses, the herds have fallen to 2011, but none of the ethnics and confessions have completely disappeared. The statistical data used were taken from the literature mentioned during the work and on the online platform of the National Institute of Statistics. The geographic information systems were used to achieve the geographical position map at the county and national level of the Petroşani Depression.

Re ev vi is st ta a R Ro om mâ ân nă ă d de e G Ge eo og gr ra af fi ie e P Po ol li it ti ic că ă Year X XX XI I, no. 2, 2 20 01 19 9, pp.