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Inbreeding in Southeastern Spain:The impact of geography and demography on marital mobility and marital distance patterns (1900–1969)

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Calderón Fernández, Rosario y Hernández de la Fuente, Candela Lucía y García-Varela, G. y Masciarelli, D. y Cuesta, P. (2018) Inbreeding in Southeastern Spain:The impact of geography and demography on marital mobility and marital distance patterns (1900–1969). Human nature, 29 (1). pp. 45-64. ISSN 1045-6767, ESSN: 1936-4776

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URL Oficial: https://link.springer.com/article/10.1007/s12110-017-9305-z



Resumen

In this paper, the structure of a southeastern Spanish population was studied for the first time with respect to its inbreeding patterns and its relationship with demographic and geographic factors. Data on consanguineous marriages (up to second cousins) from 1900 to 1969 were taken from ecclesiastic dispensations. Our results confirm that the patterns and trends of inbreeding in the study area are consistent with those previously observed in most non-Cantabrian Spanish populations. The rate of consanguineous marriages was apparently stable between 1900 and 1935 and then sharply decreased since 1940, which coincides with industrialization in Spain. A marked departure from Hardy-Weinberg expectations (0.25) in the ratio of first cousin (M22) to second cousin (M33) marriages in the study population (0.88) was observed. The high levels of endogamy (>80%) and its significant steadiness throughout the twentieth century is noteworthy. Accordingly, our results show that exogamous marriages were not only poorly represented but also that this reduced mobility (obtaining a more refined perspective regarding the population history inferred from the extent and frequency of ROH regions.


Tipo de documento:Artículo
Palabras clave:Consanguinity; Endogamy; Iberian Peninsula; Mating patterns; Population genetic structure; Public health
Materias:Ciencias Biomédicas > Biología > Antropología biológica
Código ID:46426
Depositado:13 Feb 2018 08:30
Última Modificación:10 Dic 2018 15:25

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