Adult sex ratios: Causes of variation and implications for animal and human societies

Ryan Schacht; Steven R. Beissinger; Claus Wedekind; Michael D. Jennions; Benjamin Geffroy; András Liker; Peter M. Kappeler; Franz J Weissing; Karen L. Kramer; Therese Hesketh; Jérôme Boissier; Caroline Uggla; Mike Hollingshaus; Tamás Székely

doi:10.1038/s42003-022-04223-w

Adult sex ratios: Causes of variation and implications for animal and human societies

Ryan Schacht, Steven R. Beissinger, Claus Wedekind, Michael D. Jennions, Benjamin Geffroy, András Liker, Peter M. Kappeler, Franz J Weissing, Karen L. Kramer, Therese Hesketh, Jérôme Boissier, Caroline Uggla, Mike Hollingshaus, Tamás Székely^*

^*Corresponding author for this work

Weissing group - Theoretical Biology

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Abstract

Converging lines of inquiry from across the social and biological sciences target the adult sex ratio (ASR; the proportion of males in the adult population) as a fundamental population-level determinant of behavior. The ASR, which indicates the relative number of potential mates to competitors in a population, frames the selective arena for competition, mate choice, and social interactions. Here we review a growing literature, focusing on methodological developments that sharpen knowledge of the demographic variables underlying ASR variation, experiments that enhance understanding of the consequences of ASR imbalance across societies, and phylogenetic analyses that provide novel insights into social evolution. We additionally highlight areas where research advances are expected to make accelerating contributions across the social sciences, evolutionary biology, and biodiversity conservation.

Original language	English
Article number	1273
Number of pages	16
Journal	Communications biology
Volume	5
DOIs	https://doi.org/10.1038/s42003-022-04223-w
Publication status	Published - 2022

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Author correction: Adult sex ratios: Causes of variation and implications for animal and human societies
Schacht, R., Beissinger, S. R., Wedekind, C., Jennions, M. D., Geffroy, B., Liker, A., Kappeler, P. M., Weissing, F. J., Kramer, K. L., Hesketh, T., Boissier, J., Uggla, C., Hollingshaus, M. & Székely, T., 7-Dec-2022, In: Communications biology. 5, 1, p. 1341 1 p.
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MARM: The evolution of adaptive response mechanisms
Weissing, F. (PI), Kozielska-Reid, M. (Staff), Hildenbrandt, H. (Technician), Janzen, T. (Technician), Bakker, J. (Technician), Elsner, D. (Postdoc), Markovitch, O. (Postdoc), Boon, E. (Postdoc), Méndez Salinas, E. (Researcher), Ramesh, A. (PhD student), Netz, C. (PhD student), Gupte, P. (PhD student), Daras, I. (PhD student), Gismann, J. (PhD student), Long, X. (PhD student), Riederer, J. (PhD student), van Eldijk, T. (PhD student), Zheng, J. (PhD student), Tiso, S. (PhD student) & Rostovtseva, V. (PhD student)
01/12/2018 → 01/12/2023
Project: Research

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Schacht, R., Beissinger, S. R., Wedekind, C., Jennions, M. D., Geffroy, B., Liker, A., Kappeler, P. M., Weissing, F. J., Kramer, K. L., Hesketh, T., Boissier, J., Uggla, C., Hollingshaus, M., & Székely, T. (2022). Adult sex ratios: Causes of variation and implications for animal and human societies. Communications biology, 5, Article 1273. https://doi.org/10.1038/s42003-022-04223-w

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AU - Geffroy, Benjamin

AU - Liker, András

AU - Kappeler, Peter M.

AU - Weissing, Franz J

AU - Kramer, Karen L.

AU - Hesketh, Therese

AU - Boissier, Jérôme

AU - Uggla, Caroline

AU - Hollingshaus, Mike

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AB - Converging lines of inquiry from across the social and biological sciences target the adult sex ratio (ASR; the proportion of males in the adult population) as a fundamental population-level determinant of behavior. The ASR, which indicates the relative number of potential mates to competitors in a population, frames the selective arena for competition, mate choice, and social interactions. Here we review a growing literature, focusing on methodological developments that sharpen knowledge of the demographic variables underlying ASR variation, experiments that enhance understanding of the consequences of ASR imbalance across societies, and phylogenetic analyses that provide novel insights into social evolution. We additionally highlight areas where research advances are expected to make accelerating contributions across the social sciences, evolutionary biology, and biodiversity conservation.

U2 - 10.1038/s42003-022-04223-w

DO - 10.1038/s42003-022-04223-w

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Adult sex ratios: Causes of variation and implications for animal and human societies

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MARM: The evolution of adaptive response mechanisms

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