Effects of religion, economics, and geography on genetic structure of Fogo Island, Newfoundland

M. H. Crawford, T. Koertevlyessy, R. G. Huntsman, M. Collins, R. Duggirala, L. Martin, D. Keeping

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


The population structure of Fogo Island, Newfoundland is described using geography, religious affiliation, economic factors (such as the presence of a fish‐packing plant), and genetic markers. Five different analytic methods, R‐matrix analysis, rii VS. mean per locus heterozygosity, predicted kinship (ϕ), mean first passage time, and Mantel matrix comparisons, were applied to the Fogo Island genetic and demographic data. The results suggest that geography plays a role on Fogo Island in the distribution of genes, while religion, ethnicity, and economic factors play less significant roles. The communities with fish‐packing plants and tourism serve as migratory “sinks” for Fogo islanders seeking employment. Reproductively, the most isolated village on Fogo Island is Tilting, and this is reflected in its genetic uniqueness, initially caused by Irish settlement and subsequently the action of stochastic processes. © 1995 Wiley‐Liss, Inc.

Original languageEnglish (US)
Pages (from-to)437-451
Number of pages15
JournalAmerican Journal of Human Biology
Issue number4
StatePublished - 1995
Externally publishedYes

ASJC Scopus subject areas

  • Anatomy
  • Ecology, Evolution, Behavior and Systematics
  • Anthropology
  • Genetics


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