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The costs of parental care: a meta‐analysis of the trade‐off between parental effort and survival in birds

Santos, E. S. A. ; Nakagawa, S.

Journal of evolutionary biology, 2012-09, Vol.25 (9), p.1911-1917 [Periódico revisado por pares]

Switzerland: Blackwell Publishing Ltd

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Título:
The costs of parental care: a meta‐analysis of the trade‐off between parental effort and survival in birds
Autor: Santos, E. S. A. ; Nakagawa, S.
Assuntos: Animal behavior ; Animals ; Aves ; Bayes Theorem ; Behavior, Animal - physiology ; Birds ; Birds - classification ; Birds - physiology ; Clutch Size ; cost of reproduction ; Databases, Factual ; Evolutionary biology ; Female ; Genetic Fitness ; life history ; Male ; meta‐regression ; Odds Ratio ; parental effects ; parent–offspring conflict ; Phylogenetics ; Phylogeny ; Sex Factors ; Survival Analysis
É parte de: Journal of evolutionary biology, 2012-09, Vol.25 (9), p.1911-1917
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: A fundamental premise of life‐history theory is that organisms that increase current reproductive investment suffer increased mortality. Possibly the most studied life‐history phenotypic relationship is the trade‐off between parental effort and survival. However, evidence supporting this trade‐off is equivocal. Here, we conducted a meta‐analysis to test the generality of this tenet. Using experimental studies that manipulated parental effort in birds, we show that (i) the effect of parental effort on survival was similar across species regardless of phylogeny; (ii) individuals that experienced reduced parental effort had similar survival probabilities than control individuals, regardless of sex; and (iii) males that experienced increased parental effort were less likely to survive than control males, whereas females that experienced increased effort were just as likely to survive as control females. Our results suggest that the trade‐off between parental effort and survival is more complex than previously assumed. Finally, our study provides recommendations of unexplored avenues of future research into life‐history trade‐offs.
Editor: Switzerland: Blackwell Publishing Ltd
Idioma: Inglês

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The costs of parental care: a meta‐analysis of the trade‐off between parental effort and survival in birds

Santos, E. S. A. ; Nakagawa, S.

Switzerland: Blackwell Publishing Ltd

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