#8034. A recovery network leads to the natural recolonization of an archipelago and a potential trailing edge refuge

October 2026publication date
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Journal’s subject area:
Ecology;
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Abstract:
Rapid environmental change is reshaping ecosystems and driving species loss globally. Carnivore populations have declined and retracted rapidly and have been the target of numerous translocation projects. Identifying refuges, locations that are resistant to environmental change, within a translocation framework should improve population recovery and persistence. American martens (Martes americana) are the most frequently translocated carnivore in North America. As elsewhere, martens were extirpated across much of the Great Lakes region by the 1930s and, despite multiple translocations beginning in the 1950s, martens remain of regional conservation concern. Surprisingly, martens were rediscovered in 20XX on the Apostle Islands of Lake Superior after a putative absence of >40 yr. To identify the source of martens to the islands and understand connectivity of the reintroduction network, we collected genetic data on martens from the archipelago and from all regional reintroduction sites.
Keywords:
American marten; Apostle Islands National Lakeshore; coalescence; heterogeneity; Martes americana; population genetics; reintroduction

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