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Rivers constrain female but not male dispersal and genetic structure in brown bears.

Scientific reports - 9 Feb 2026

Spitzer Robert, Norman Anita J, Schneider Michael, Sahlén Ellinor, Spong Göran

Abstract excerpt

Understanding landscape barriers to connectivity is essential for studying wildlife population dynamics and developing conservation strategies that promote genetic exchange. Rivers can fragment landscapes and thereby influence genetic metapopulation structure by restricting individual movement and gene flow, yet their impact on brown bear (Ursus arctos) dispersal remains poorly understood. Using a large dataset...

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Animal Distribution
Gene Flow
Genetics, Population
Polymorphism, Single Nucleotide
Population Dynamics

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PMID: 41663591
DOI: 10.1038/s41598-026-38870-4
PMCID: PMC12891673

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 1 Sept 2026.

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