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dc.contributor.author
Huck, Maren
dc.contributor.author
Fernandez Duque, Eduardo
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dc.date.available
2019-05-14T19:06:16Z
dc.date.issued
2012-03
dc.identifier.citation
Huck, Maren; Fernandez Duque, Eduardo; Children of divorce: Effects of adult replacements on previous offspring in Argentinean owl monkeys; Springer; Behavioral Ecology And Sociobiology; 66; 3; 3-2012; 505-517
dc.identifier.issn
0340-5443
dc.identifier.uri
http://hdl.handle.net/11336/76279
dc.description.abstract
According to the Evolutionary Theory of the Family, the replacement of one pair-member by an intruder may have profound consequences for the existing offspring. Step-parents are expected to provide less care towards unrelated immatures than to genetic offspring, unless caring also serves as a mating strategy. Furthermore, because an intruder will be a potential mate for opposite-sexed offspring, relationships between offspring and same-sex parents are predicted to deteriorate. To test these predictions, we studied an Azara's owl monkey (Aotus azarai) population in Argentina exhibiting serial monogamy and bi-parental care. Since 1997, we have collected demographic data from ca. 25 groups and inter-individual distance data from ca. 150 marked individuals. First, we compared survival and dispersal age of immatures in groups with and without replacements to investigate whether parental care serves as a mating strategy. Second, we compared sex-specific age at dispersal for groups with replacement of opposite-sex parents, same-sex parents, or in stable groups in order to test whether relationships between offspring and same-sex parents deteriorated after the replacement of the other parent. Survival and dispersal ages were not negatively associated with replacements, suggesting that male care might serve, at least partly, as a mating strategy. The time lag between a replacement and the subsequent dispersal of female offspring was greater if the intruder was a male, while the offspring and same-sex parents were less often nearest neighbors after replacements than before. Our results suggest that family disruption through the replacement of a parent is not associated with decreased offspring survival or early dispersion of juveniles, but deteriorates parent-offspring relationships. © 2011 Springer-Verlag.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Aotus Azarai
dc.subject
Dispersal
dc.subject
Evolutionary Theory Of the Family
dc.subject
Night Monkeys
dc.subject
Parent-Offspring Conflict
dc.subject
Survival
dc.subject.classification
Zoología, Ornitología, Entomología, Etología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Children of divorce: Effects of adult replacements on previous offspring in Argentinean owl monkeys
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-05-14T17:39:39Z
dc.identifier.eissn
1432-0762
dc.journal.volume
66
dc.journal.number
3
dc.journal.pagination
505-517
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Huck, Maren. University of Pennsylvania; Estados Unidos
dc.description.fil
Fil: Fernandez Duque, Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Centro de Ecología Aplicada del Litoral. Universidad Nacional del Nordeste. Centro de Ecología Aplicada del Litoral; Argentina. University of Pennsylvania; Estados Unidos
dc.journal.title
Behavioral Ecology And Sociobiology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00265-011-1297-9
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs00265-011-1297-9
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