Environmental variability across space and time drives the recolonization pattern of a historically persecuted large carnivore

Ehsan M. Moqanaki,C. Milleret,P. Dupont,J. Mattisson,Soumen Dey,H. Brøseth,M. Aronsson,J. Persson,Petter Wabakken,Ø. Flagstad,R. Bischof

Published 2025 in Proceedings of the National Academy of Sciences of the United States of America

ABSTRACT

Significance Across Europe and North America, some large carnivore species are recovering their former ranges. The spatial and temporal dynamics of this recovery are still poorly understood. We used nine years of transnational noninvasive genetic sampling to quantify temporal changes in the drivers of density of a recovering wolverine Gulo gulo population across the Scandinavian Peninsula. We provide pervasive evidence for successful expansion of the wolverine population from the refuge-like alpine range into boreal forest, which was previously considered suboptimal habitat for wolverines in Scandinavia. The ongoing recovery of the Scandinavian wolverine demonstrates that coexistence of apex predators with humans on multiuse landscapes is possible.

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