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Sweet mama: affiliative interactions are related to the reproductive success of dominant female Alpine marmots (Marmota marmota)
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AbstractSociality is a complex phenomenon, able to influence multiple traits of an individual life history. In group-living mammals, sociality is likely to play a major role in the reproductive success of individuals. Here we investigate how sociality traits are associated to reproductive success in female Alpine marmots (Marmota marmota), a highly social and cooperative breeding ground squirrel distributed in the European Alps. We used social network analysis to calculate sociality metrics and hurdle generalized linear mixed models (hurdle GLMMs) to model the relationship between sociality metrics and reproductive success of individually tagged female Alpine marmots. Our results showed that centrality of a reproductive female within her social group and the number of social partners are positively related to reproductive success, while agonistic behavior was not related with reproduction. Our results highlight the importance of affiliative interactions with other group members in cooperative breeders, suggesting that in such systems female fitness could be more related to social cohesion than to costs of agonistic behaviors to maintain dominance status.
Springer Science and Business Media LLC
Title: Sweet mama: affiliative interactions are related to the reproductive success of dominant female Alpine marmots (Marmota marmota)
Description:
AbstractSociality is a complex phenomenon, able to influence multiple traits of an individual life history.
In group-living mammals, sociality is likely to play a major role in the reproductive success of individuals.
Here we investigate how sociality traits are associated to reproductive success in female Alpine marmots (Marmota marmota), a highly social and cooperative breeding ground squirrel distributed in the European Alps.
We used social network analysis to calculate sociality metrics and hurdle generalized linear mixed models (hurdle GLMMs) to model the relationship between sociality metrics and reproductive success of individually tagged female Alpine marmots.
Our results showed that centrality of a reproductive female within her social group and the number of social partners are positively related to reproductive success, while agonistic behavior was not related with reproduction.
Our results highlight the importance of affiliative interactions with other group members in cooperative breeders, suggesting that in such systems female fitness could be more related to social cohesion than to costs of agonistic behaviors to maintain dominance status.
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XII Congresso da Sociedade Brasileira de Radioterapia (SBRT); X Jornada de Física Médica; VIII Encontro de Enfermeiros Oncologistas em Radioterapia; VII Encontro de Técnicos em Radioterapia da SBRT
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