In this work, we investigated surname distribution in 4,348,021 Honduran electors with the aim of detecting population structure through the study of isonymy in three administrative levels: the whole nation, the 18 departments, and the 298 municipalities. For each administrative level, we studied the surname effective number, α, the total inbreeding, FIT , the random inbreeding, FST , and the local inbreeding, FIS . Principal components analysis, multidimensional scaling, and cluster analysis were performed on Lasker's distance matrix to detect the direction of surname diffusion and for a graphic representation of the surname relationship between different locations. The values of FIT , FST , and FIS display a variation of random inbreeding between the administrative levels in the Honduras population, which is attributed to the "Prefecture effect." Multivariate analyses of department data identified two main clusters, one south-western and the second north-eastern, with the Bay Islands and the eastern Gracias a Dios out of the main clusters. The results suggest that currently the population structure of this country is the result of the joint action of short-range directional migration and drift, with drift dominating over migration, and that population diffusion may have taken place mainly in the NW-SE direction.

译文

:在这项工作中,我们调查了4,348,021洪都拉斯选民的姓氏分布,目的是通过研究全国三个行政级别的同义性来发现人口结构:全国,18个省和298个市。对于每个行政级别,我们研究了姓氏有效数α,总近交FIT,随机近交FST和本地近交FIS。在拉斯克距离矩阵上进行主成分分析,多维缩放和聚类分析,以检测姓氏扩散的方向并以图形表示不同位置之间的姓氏关系。 FIT,FST和FIS的值显示了洪都拉斯各行政级别之间随机近交的变化,这归因于“县效应”。部门数据的多变量分析确定了两个主要集群,一个西南部和第二东北部,而湾群岛和东部Gracias a Dios不在主要集群中。结果表明,目前该国的人口结构是短程定向迁移和漂移共同作用的结果,漂移主导着迁移,迁移可能主要发生在西北-东南方向。

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