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Barriers Broken: Genetic swamping in restored Brook Trout populations.

PloS one - 1 Jan 2025

Smith Rebecca J, Kulp Matt A, Fitzpatrick Benjamin M

Abstract excerpt

Scientists use reintroductions to restore native species to their historical ranges but sometimes overlook effects of dispersal on genetic structure of restored populations. Unidirectional or biased gene flow can result in genetic swamping, where unique variation in a recipient population is replaced by genotypes from the source population. In theory, this can result in loss of advantageous alleles and adaptive...

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PMID: 41452837
DOI: 10.1371/journal.pone.0327926
PMCID: PMC12742775

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