Sex ratio


Whether one is talking about primary sex ratio biases or the simpler fact that adults don’t always interact at balanced sex ratios, these biases are intriguing to understand and so are their (sometimes underappreciated and important) consequences.


Booksmythe, I., Gerber, N., Ebert, D. & Kokko, H. In press. Daphnia females adjust sex allocation in response to current sex ratio and density. Ecology Letters.
pdf Gerber, N., Kokko, H., Ebert, D. & Booksmythe, I. 2018. Daphnia invest in sexual reproduction when its relative costs are reduced. Proceedings of the Royal Society of London B 285: 20172176.
 pdf Lindholm, A.K., Dyer, K.A., Firman, R.C., Fishman, L., Forstmeier, W., Holman, L., Johannesson, H., Knief, U., Kokko, H., Larracuente, A.M., Manser, A., Montchamp-Moreau, C., Petrosyan, V.G., Pomiankowski, A., Presgraves, D.C., Safronova, L.D., Sutter, A., Unckless, R.L., Verspoor, R. L., Wedell, N., Wilkinson, G.S. & Price, T.A.R. 2016. The ecology and evolutionary dynamics of meiotic drive. Trends in Ecology & Evolution 31 (4), 315-326.
 pdf Henshaw, J.M., Kokko, H. & Jennions, M.D. 2015. Direct reciprocity stabilises simultaneous hermaphroditism at high mating rates: a model of sex allocation with egg trading. Evolution 69:2129–2139.
 pdf Kahn, A.T., Jennions, M.D. & Kokko, H. 2015. Sex allocation, juvenile mortality, and the costs imposed by offspring on parents and siblings. Journal of Evolutionary Biology 28:428-437.
haiku pdf Holman, L., Price, T., Wedell, N. & Kokko, H. 2015. Coevolutionary dynamics of polyandry and sex-linked meiotic drive. Evolution 69-3:709-720.
haiku Harts, A. & Kokko, H. 2013. Understanding promiscuity: when is seeking additional mates better than guarding an already found one? Evolution 67: 2838-2848.
haiku pdf Kahn, A.T., Kokko, H. & Jennions, M.D. 2013. Adaptive sex allocation in anticipation of changes in offspring mating opportunities. Nature Communications 4:1603.
haiku pdf Booksmythe, I., Schwanz, L. & Kokko, H. 2013. The complex interplay of sex allocation and sexual selection. Evolution 67: 673-678.
 pdf Vahl, W., Boiteau, G., de Heij, M.E., MacKinley, P.D. & Kokko, H. 2013. Female fertilization: effects of sex-specific density and sex ratio determined experimentally for Colorado potato beetles and Drosophila fruit flies. PLoS one 8:e60381.
haiku pdf Jennions, M.D., Kokko, H. & Klug, H. 2012. The opportunity to be misled in studies of sexual selection. Journal of Evolutionary Biology 25:591-598.
haiku pdf Lehtonen, J. & Kokko, H. 2012. Positive feedback and alternative stable states in inbreeding, cooperation, sex roles and other evolutionary processes. Philosophical Transactions of the Royal Society of London B 367:211-221.
haiku pdf Heinsohn, R., Langmore, N.E., Cockburn, A. & Kokko, H. 2011. Adaptive secondary sex ratio adjustments via sex-specific infanticide in a bird. Current Biology 21:1744-1747.
 pdf Fromhage, L. & Kokko, H. 2010. Spatial seed and pollen games: dispersal, sex allocation, and the evolution of dioecy. Journal of Evolutionary Biology 23:1947-1956.
pdf Kokko, H. & Jennions, M.D. 2008. Parental investment, sexual selection and sex ratios. Journal of Evolutionary Biology 21:919-948.
pdf Heubel, K., Lindström, K. & Kokko, H. 2008. Females increase reproductive effort when future access to males is uncertain. Biology Letters 4:224-227.

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