Article

Inbreeding depression by polygenic load following a severe population bottleneck

2026-06-05

Abstract excerpt

It is poorly understood how populations survive extreme bottlenecks despite severe inbreeding. We investigate the genomic architecture of inbreeding in the once critically endangered Seychelles warbler ( Acrocephalus sechellensis ) using 37 years of individual-based monitoring and 1.8 million SNPs. Linkage disequilibrium patterns reveal a historical effective population size of ~270 that plummeted to ~13 coincidi...

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Literature Corpus work: 985e4c53-72eb-531a-b9dc-ca638520098d
DOI: 10.64898/2026.06.03.729877

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