Secular and Age-Related Dynamics of Biological Characteristics in the Rural Population of Mongolia: A Study of Environmental Adaptation

Batsevich, Valery; Yasina, O.V.; Sukhova, Alla V.

doi:10.17746/1563-0110.2018.46.1.144-153

Cited by 4 publications

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“…В халха-монгольских популяциях такие процессы не фиксируются [Batsevich et al, 2018]. Рассмотренный ранее комплекс биологических характеристик свидетельствует об адаптированности обследованных групп халха-монголов к социально-экономическим и природным факторам окружающей среды и наличию временной стабильности антропоэкологических связей в популяциях.…”

Section: Introductionunclassified

Age and sex variability of measuring features of the head and face in the adult Khalkha population of Mongolia

Batsevich,

Maurer,

Chumakova

2023

MUAB

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Introduction. A number of studies have shown that the Khalka rural pastoral population of Mongolia leading a traditional lifestyle is not characterized by acceleration of development and a secular trend in somatic characteristics of the body. The purpose is to study the morphological variability of head and face features in the adult rural Khalkha-Mongolian population against the background of variability of the same features in the Chuvash group and try to catch acceleration trends based on measuring head features. Materials and methods. The data (370 men and 355 women aged 18-60) was obtained during anthropoecological expeditions in 1986-1990 in 4 Khalkha-Mongolian somons. As a comparative material, data on the Chuvash of Bashkiria were used. Regression analysis was applied. The age-related variability of normalized values of cephalometric traits was assessed using variance analysis. For the Mongolian and Chuvash populations, the coefficients of sexual dimorphism of individual features of the face and head (according to V. Deryabin`s formula), as well as the Mahalanobis distance between female and male samples were determined. Results and discussion. For the studied characteristics (head length and breadth, the minimal forehead breadth and facial breadth, face height, facial and head indexes) in men, no reliable links were found between the variability of these traits and age. Variance analysis of normalized values of cephalometric signs revealed no differences in either the male or female Mongolian sample. The Mahalanobis distances calculated from the complex of head and face signs between the female and male Mongolian subsamples are noticeably smaller than the corresponding values obtained for the Chuvash group. Conclusion. Comparative studies of the age dynamics of a number of measuring features of the head for about one and a half generations of the twentieth century in Khalkha-Mongols (adapted groups) and Chuvash (populations with impaired adaptation due to changes in socio-economic environmental factors) showed weakly pronounced morphological changes in the features on the head and face in the studied population groups. There were no significant age differences in the complex of features of the face and head in the Khalkhas populations. Data on sexual dimorphism of facial and head features in Mongols and Chuvash have been introduced into scholarly discourse, and in the Mongolian population the values of indicators of sexual dimorphism of cephalometric signs are less than in Chuvash sample. @ 2023. This work is licensed under a CC BY 4.0 license

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Section: Introductionunclassified

Age and sex variability of measuring features of the head and face in the adult Khalkha population of Mongolia

Batsevich,

Maurer,

Chumakova

2023

MUAB

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“…Â îòå÷åñòâåííîé àíòðîïîëîãèè èññëåäîâàíèÿ ñåêóëÿðíûõ èçìåíåíèé ïîêàçàòåëåé òåëîñëîaeåíèÿ â ðàçëè÷íûõ ãðóïïàõ íàñåëåíèÿ Ðîññèè è ñîïðåäåëüíûõ ñòðàí òàêaeå âåñüìà àêòóàëüíû [Ñèíåâà, Íåãàøåâà, 2014;Áàöåâè÷, ßñèíà, 2018;Ãîðáà÷åâà, Ôåäîòîâà, 2018;Êîçëîâ ñ ñîàâò., 2018;Ôåäîòîâà, Ãîðáà÷åâà, 2019;Negasheva, 2011;Kozlov, Vershubsky, 2015;Godina, Khomyakova, Zadorozhnaya, 2016;Godina, Gorbacheva, Fedotova, 2018;Batsevich, Yasina, Sukhova, 2019;Fedotova, Gorbacheva, 2019;Godina et al, 2019].…”

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Changes of the main body measurements in the late 20th – early 21st century (based on data published in foreign periodicals for the last 15 years)

Зимина¹,

Khafizova²,

Negasheva³

2020

MUAB

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Ñåêóëÿðíûå èçìåíåíèÿ ïî îñíîâíûì ïàðàìåòðàì òåëîñëîaeåíèÿ íàáëþäàþòñÿ â áîëüøèíñòâå èíäóñòðèàëüíûõ ñòðàí ñ êîíöà XVIII-ñåðåäèíû XIX âåêà. Â êîíöå XX-íà÷àëå XXI âåêà ïîÿâèëîñü ìíîaeåñòâî ðàáîò, ïîñâÿùåííûõ îáçîðó èññëåäîâàíèé äèíàìèêè ïàðàìåòðîâ òåëîñëîaeåíèÿ â ðàçëè÷íûõ ãðóïïàõ ñîâðåìåííîãî íàñåëåíèÿ [

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Ethnic variability of growth processes through the prism of sexual dimorphism of body dimensions (based on data of early and first childhood children)

Fedotova

Gorbacheva

2023

VAAE

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The study deals with the process of forming of the level and vector of sex somatic differences through early and first childhood, specific peculiarities of sexual dimorphism at 3–6 years of age as compared to the sexual dimorphism of adults, ethnic heterogeneity of sexual dimorphism dynamics of main anthropometric dimensions (height, weight, chest girth); most adequate algorithms of analysis of data considering age peculiarities. Generali-zation of vast material on children of Russia and former USSR of 1950s–2010s (over 200 samples) allowed to describe convincing conformities of intergroup distribution of sex somatic dimorphism; different by sex vector of significant correlations of standardized levels of sexual dimorphism of dimensions with average population values of dimensions themselves — positive for boys , negative for girls, which may be interpreted as confirmation of the contribution of somatic variability of both sexes to forming of sexual differences. When analyzed of data locally, under greater enlargement, sexual dimorphism allowed to estimate inter-ethnic specificity of somatic growth dy-namics. In particular, definite sex synchrony of growth dynamics of Russian children regardless of the ecological niche of development through early and first childhood; similar synchrony for some groups of different ethnicity. To fix well known in age physiology effect of decreasing of growth activity before semigrowth spurt, which chrono-logical age differs between populations, for the case of more homogeneous groups. Thus, the results show the sensitivity of sexual dimorphism of body dimensions as the informative indicator of ethno-territorial diversity of somatic status and growth dynamics through early and first childhood.

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Secular and Age-Related Dynamics of Biological Characteristics in the Rural Population of Mongolia: A Study of Environmental Adaptation

Cited by 4 publications

References 0 publications

Age and sex variability of measuring features of the head and face in the adult Khalkha population of Mongolia

Age and sex variability of measuring features of the head and face in the adult Khalkha population of Mongolia

Changes of the main body measurements in the late 20th – early 21st century (based on data published in foreign periodicals for the last 15 years)

Ethnic variability of growth processes through the prism of sexual dimorphism of body dimensions (based on data of early and first childhood children)

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