Paleodemography Population Forest-Steppe Cis-Irtysh in XVII-XVIII Centuries (Cheplyarovo 27 Burial)

Currently the main characteristics of the demographic structure of the population of forest-steppe Cis-Irtysh in the XVII-XVIII centuries are not studied, although there is a representative anthropological material. The paper presents an analysis of the demographic structure of the ayalynskaya group of Tobol-Irty sh Tatars. Materials for the study are based on the definition of sex and age of individuals of burial ground Cheplyarovo 27 (the second half of XVII - XVIII centuries.). The age and sex determination of groups Tobol-Irtysh Tatars made A.N. Bagashev were also used for intergroup analysis. It should be noted that a small number of children's burials or lack of information about them, comparison was held according to the age of the adult individuals. The work consisted of two stages. The first one was intra-group analysis, which included the preparation of the table of percentages of different age and sex groups, the calculation of paleodemography indicators and the construction of mortality tables. As a result, certain features have been identified sex and age structure of the population Cis-Irtysh forest-steppe: a fairly high level of infant mortality (60.2 %) account for the largest percentage of deaths in both men and women at the age of 35-45 years, individuals who are in the category of over 55, is 5 % of the total number of adults. The analysis showed that paleopopulation was well adapted to environment. The next step was to conduct intergroup analysis. On the basis of age and gender definitions of the group of Tobol-Irtysh Tatars were calculated basic demographic indicators (sex ratio, the average life expectancy for adults, the percentage of individuals of the first reproductive age (20 to 35 years), of the final age group (55+). The comparative analysis showed that virtually all of the compared groups of Tobol-Irtysh Tatars on the main demographic indicators fit into the general pattern of the demographic processes of the ancient population. In addition, studied sample is acceptable model for studying paleodemography processes on the territory of the forest-steppe Irtysh in XVII-XVIII centuries. Further accumulation and analysis of new materials for the Tobol-Irtysh Tatars, will provide fuller information on the demographic processes taking place on the territory of West Siberia and the forest-steppe Cis-Irtysh.

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