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dc.contributor.authorFernandez Fournier, Philippe-
dc.contributor.authorGuevara, Jennifer-
dc.contributor.authorHoffman, Catherine-
dc.contributor.authorAvilés, Leticia-
dc.identifier.citationFernandez-Fournier, P., Guevara, J., Hoffman, C., & Avilés, L. (2018). Trait overdispersion and the role of sociality in the assembly of social spider communities across the Americas. Proceedings of the National Academy of Sciences, 115(23), 6010–6015. doi:10.1073/pnas.1721464115es
dc.description.abstractAmong the factors that may lead to differences in resource use among closely related species, body size and morphology have been traditionally considered to play a role in community assembly. Here we argue that for animals that live and forage in groups, level of sociality, reflecting differences in group size and cooperative tendencies, can be an additional and powerful dimension separating species in niche space. We compare 50+ communities of the social spider genus Anelosimus across the Americas against a null model that accounts for known effects of biotic and abiotic factors on the distribution of social systems in the genus. We show that these communities are more overdispersed than expected by chance in either or both body size and level of sociality, traits we have previously shown to be associated with differences in resource utilization (prey size, microhabitat, and phenology). We further show that the contribution of sociality to differences in the size of the prey captured is two to three times greater than that of body size, suggesting that changes in group size and cooperative tendencies may be more effective than changes in body size at separating species in niche space.es
dc.publisherNational Academy of Scienceses
dc.relation.ispartofseriesPRODUCCIÓN CIENTÍFICA-ARTÍCULOS;A-IKIAM-000153-
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Estados Unidos de América*
dc.subjectFunctional diversityes
dc.subjectHabitat filteringes
dc.subjectLimiting similarityes
dc.subjectTrait overdispersiones
dc.titleTrait overdispersion and the role of sociality in the assembly of social spider communities across the Americases
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