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Inbreeding from isonymy and repeated pairs of surnames in the Ebro Delta region (Tarragona, Spain)
Author(s) -
Esparza Mireia,
GarcíaMoro Clara,
Hernández Miquel
Publication year - 2006
Publication title -
american journal of human biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.559
H-Index - 81
eISSN - 1520-6300
pISSN - 1042-0533
DOI - 10.1002/ajhb.20563
Subject(s) - inbreeding , hum , population , geography , demography , sociology , history , performance art , art history
The aim of the study was to evaluate the levels of inbreeding calculated from isonymy with its random (F r ) and nonrandom (F n ) components, and repeated pairs of surnames (RP 2 ) and their random component (RP 2r ) in the Ebro River Delta region (Tarragona, Spain). This region is made up of four parishes, and data correspond to the period 1939–1995. The global results are on the same levels as observed in other studies, but the values obtained in 3 of 4 parishes are relatively high. The F n global value is higher than F r , as opposed to what happens in each parish, so there is a clear Wahlund effect of subdivision of the region into parishes. Among the parishes there is a clear differentiation for Amposta, with values much lower than for the rest, due to the behavior of this population, i.e., a high immigration rate. Am. J. Hum. Biol. 18:849–852, 2006. © 2006 Wiley‐Liss, Inc.