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Article

Polyandry and non-random fertilisation maintain long-term genetic diversity in an isolated island population of adders (Vipera berus).

Heredity - 1 Feb 2023

Madsen Thomas, Ujvari Beata, Bauwens Dirk, Gruber Bernd, Georges Arthur, Klaassen Marcel

Abstract excerpt

Conservation genetic theory suggests that small and isolated populations should be subject to reduced genetic diversity i.e., heterozygosity and allelic diversity. Our 34 years study of an isolated island population of adders (Vipera berus) in southern Sweden challenges this notion. Despite a lack of gene flow and a yearly mean estimated reproductive adult population size of only 65 adult adders (range 12-171),...

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PMID: 36474024
DOI: 10.1038/s41437-022-00578-2
PMCID: PMC9905584

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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