Moscow University
Anthropology
Bulletin

Influence of biological and social factors on the level of gender dimorphism in contemporary urban and rural populations

Zimina S.N. (1), Goncharova N.N. (1), Salivon I.Iv. (2), Negasheva M.A. (1)

1) Lomonosov Moscow State University, Faculty of biology, Department of anthropology, Leninskie Gory, 1, p.12, Moscow, 119991, Russia; 2) Institute of History of NAS Belarus, 1 Akademicheskaya Street, Minsk, 220072, Republic of Belarus

Zimina Sofya N., Researcher, e-mail: sonishat@yandex.ru; Goncharova Natalia N., Ph.D., ORCID ID: 0000-0001-8504-1175, e-mail: 1455008@gmail.com; Salivon Inessa Iv., Ph.D., D.Sc., e-mail: innasalivon1937@mail.ru; Negasheva Marina A., Ph.D., D.Sc., ORCID ID: 0000-0002-7572-4316, e-mail: negasheva@mail.ru

Abstract

The study objective was comparative analysis of variability of the level of gender dimorphism in different somatic systems (proportions of the skeleton, circumferential sizes of the trunk and extremities, subcutaneous fat deposition) under the influence of biosocial factors in contemporary urban and rural populations. The material for the study was data of anthropological examination of more than 5.200 men and woman at the age of 18–25 years old from three regions: Moscow, rural territories of Belorussia and Pridnestrovie. The results of the comparative analysis demonstrate that conditions of living in the megapolis do not influence the level of gender dimorphism in skeleton development and circumferences of the body. At the same time, the degree of gender dimorphism on the value of fat folds in the group of Muscovites is decreased significantly. Taking in consideration the age of examined people, it has been concluded that social factors (specific nutrition habits, hypodynamia etc.) render significant influence on the contemporary generation of young men and women under megapolis conditions along with ecological contamination and pressure of urban stress that cause morphological changes in the form of fading differences between men and women on subcutaneous fat deposition. Based on the results of our work, it is possible to make the following conclusions: variations of the level of gender dimorphism on separate morphological parameters in different regional groups are of similar character; inhabitants of Pridnestrovie demonstrate weaker gender differences on signs of development of the skeleton (proportions of the body), which appears to be stipulated by the influence of geographic and social factors; the minimal level of gender differences has been observed in the group of Muscovites compared with Belarussian rural populations on the value of subcutaneous adipopexis, which can be connected with strong influence of the urban factor.

Keywords

anthropology, urban population, rural population, sex dimorphism, biosocial factors

Цит.: Zimina S.N., Goncharova N.N., Salivon I.Iv., Negasheva M.A. Influence of biological and social factors on the level of gender dimorphism in contemporary urban and rural populations // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2015; 2/2015; с. 34-44

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