ArticleRoyal Society open science2016
The eastern migratory caribou: the role of genetic introgression in ecotype evolution.
Article in Royal Society open science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Genomic insights into the recent evolution of ecotypes: delineating at-risk caribou populations with high gene flow.BMC genomics · 2026Article
- Glacial History and Landscape Features Shape the Hierarchical Population Genetic Structure of Woodland Caribou (Evolutionary applications · 2026Article
- Article
- Resequencing of reindeer genomes provides clues to their docile habits.Evolution letters · 2024Article
- Ancient reindeer mitogenomes reveal island-hopping colonisation of the Arctic archipelagos.Scientific reports · 2024Article
- Genomic population structure and inbreeding history of Lake Superior caribou.Ecology and evolution · 2023Article
- Using landscape genomics to delineate future adaptive potential for climate change in the Yosemite toad (Evolutionary applications · 2023Article
- The relevance of genetic structure in ecotype designation and conservation management.Evolutionary applications · 2022Article
- Available names forZooKeys · 2022Review
- Population dynamics of caribou shaped by glacial cycles before the last glacial maximum.Molecular ecology · 2021Article
- The role of introgression and ecotypic parallelism in delineating intraspecific conservation units.Molecular ecology · 2020Article
- The biogeography of the caribou lungworm,International journal for parasitology. Parasites and wildlife · 2020Article
- Measuring Faecal Glucocorticoid Metabolites to Assess Adrenocortical Activity in Reindeer.Animals : an open access journal from MDPI · 2019Article
- Spatial differences in genetic diversity and northward migration suggest genetic erosion along the boreal caribou southern range limit and continued range retraction.Ecology and evolution · 2019Article
- Partitioning drivers of spatial genetic variation for a continuously distributed population of boreal caribou: Implications for management unit delineation.Ecology and evolution · 2019Article
- Parallel evolution of site-specific changes in divergent caribou lineages.Ecology and evolution · 2018Article
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Authors and funding
5 authors.
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Abstract
Understanding the evolutionary history of contemporary animal groups is essential for conservation and management of endangered species like caribou (Rangifer tarandus). In central Canada, the ranges of two caribou subspecies (barren-ground/woodland caribou) and two woodland caribou ecotypes (boreal/eastern migratory) overlap. Our objectives were to reconstruct the evolutionary history of the eastern migratory ecotype and to assess the potential role of introgression in ecotype evolution. STRUCTURE analyses identified five higher order groups (i.e. three boreal caribou populations, eastern migratory ecotype and barren-ground). The evolutionary history of the eastern migratory ecotype was best explained by an early genetic introgression from barren-ground into a woodland caribou lineage during the Late Pleistocene and subsequent divergence of the eastern migratory ecotype during the Holocene. These results are consistent with the retreat of the Laurentide ice sheet and the colonization of the Hudson Bay coastal areas subsequent to the establishment of forest tundra vegetation approximately 7000 years ago. This historical reconstruction of the eastern migratory ecotype further supports its current classification as a conservation unit, specifically a Designatable Unit, under Canada's Species at Risk Act. These findings have implications for other sub-specific contact zones for caribou and other North American species in conservation unit delineation.
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