How inbreeding depression across various life stages affects the dynamics and the viability of the Pyrenean brown bear (Ursus arctos) population.

Puntos clave

• Inbreeding depression negatively affects population viability and dynamics, reducing genetic diversity.
• A significant association is found between inbreeding depression and various life stages of the bear.
• Observational analysis focused on the Pyrenean brown bear population, revealing critical insights into its survival.
• Findings suggest urgent conservation strategies are needed to enhance genetic diversity and bear population stability.