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001-es BibID:	BIBFORM078512
035-os BibID:	(cikkazonosító)1651 (WoS)000430798100007 (Scopus)85046100134
Első szerző:	Eberhart-Phillips, Luke J.
Cím:	Demographic causes of adult sex ratio variation and their consequences for parental cooperation / Luke J. Eberhart-Phillips, Clemens Küpper, María Cristina Carmona-Isunza, Orsolya Vincze, Sama Zefania, Medardo Cruz-López, András Kosztolányi, Tom E. X. Miller, Zoltán Barta, Innes C. Cuthill, Terry Burke, Tamás Székely, Joseph I. Hoffman, Oliver Krüger
Dátum:	2018
ISSN:	2041-1723
Megjegyzések:	The adult sex ratio (ASR) is a fundamental concept in population biology, sexual selection, and social evolution. However, it remains unclear which demographic processes generate ASR variation and how biases in ASR in turn affect social behaviour. Here, we evaluate the demographic mechanisms shaping ASR and their potential consequences for parental cooperation using detailed survival, fecundity, and behavioural data on 6119 individuals from six wild shorebird populations exhibiting flexible parental strategies. We show that these closely related populations express strikingly different ASRs, despite having similar ecologies and life histories, and that ASR variation is largely driven by sex differences in the apparent survival of juveniles. Furthermore, families in populations with biased ASRs were predominantly tended by a single parent, suggesting that parental cooperation breaks down with unbalanced sex ratios. Taken together, our results indicate that sex biases emerging during early life have profound consequences for social behaviour.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Nature Communications. - 9 : 1 (2018), p. 1-8. -
További szerzők:	Küpper, Clemens Carmona-Isunza, María Cristina Vincze Orsolya (1988-) (biológus) Zefania, Sama Cruz-López, Medardo Kosztolányi András (1971-) (biológus) Miller, Tom E. X. Barta Zoltán (1967-) (biológus, zoológus) Cuthill, Innes C. Burke, Terry Székely Tamás (1959-) (biológus) Hoffman, Joseph I. Krüger, Oliver
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