Show simple item record Nitsch, Aïda Lummaa, Virpi Faurie, Charlotte
dc.coverage.spatial Finland 2016-06-27T17:03:09Z 2016-06-27T17:03:09Z 2016-06-18
dc.identifier doi:10.5061/dryad.jt03g
dc.identifier.citation Nitsch A, Lummaa V, Faurie C (2016) Sibship effects on dispersal behaviour in a pre-industrial human population. Journal of Evolutionary Biology 29(10): 1986-1998.
dc.identifier.issn 1010-061X
dc.description Understanding dispersal behaviour and its determinants is critical for studies on life-history maximizing strategies. Although many studies have investigated the causes of dispersal, few have focused on the importance of sibship, despite that sibling interactions are predicted to lead to intrafamilial differences in dispersal patterns. Using a large demographic data set from pre-industrial Finland (n = 9000), we tested whether the sex-specific probability of dispersal depended on the presence of same-sex or opposite-sex elder siblings who can both compete and cooperate in the family. Overall, following our predictions, the presence of same-sex elder siblings increased the probability of dispersal from natal population for both sexes, whereas the number of opposite-sex siblings had less influence. Among males, dispersal was strongly linked to access to land resources. Female dispersal was mainly associated with competition over availability of mates but likely mediated by competition over access to wealthy mates rather mate availability per se. Besides ecological constraints, sibling interactions are strongly linked with dispersal decisions and need to be better considered in the studies on the evolution of family dynamics and fitness maximizing strategies in humans and other species.
dc.relation.haspart doi:10.5061/dryad.jt03g/1
dc.relation.isreferencedby doi:10.1111/jeb.12922
dc.relation.isreferencedby PMID:27318237
dc.subject Dispersal
dc.subject sibling rivalry
dc.subject family evolution
dc.subject humans
dc.title Data from: Sibship effects on dispersal behaviour in a preindustrial human population
dc.type Article
dc.contributor.correspondingAuthor Nitsch, Aïda
prism.publicationName Journal of Evolutionary Biology
workflow.step.inProgressUsers 10386

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