Ítem
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A cost of being amicable in a hibernating mammal
Título de la revista
Autores
Maldonado Chaparro, Adriana Alexandra
Blumstein, Daniel T
Foung, Holly
Fecha
2016-01
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Editor
International Society for Behavioral Ecology
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Resumen
Abstract
Amicable social interactions can enhance fitness in many species, have negligible consequences for some, and reduce fitness in others. For yellow-bellied marmots (Marmota flaviventris), a facultatively social rodent species with demonstrable costs of social relationships during the active season, the effects of sociality on overwinter survival have yet to be fully investigated. Here, we explored how summer social interactions, quantified as social network attributes, influenced marmot survival during hibernation. Using social data collected from 2002 to 2012 on free-living yellow-bellied marmots, we calculated 8 social network measures (in-degree, out-degree, incloseness, out-closeness, in-strength, out-strength, embeddedness, and clustering coefficient) for both affiliative and agonistic interactions.
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Keywords
Connectedness , Cost of sociality , Hibernation , Overwinter survival , Social relationships , Yellow-bellied marmot
