|Appears in Collections:||Biological and Environmental Sciences Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Sex differences in adult mortality rate mediated by early-life environmental conditions|
|Author(s):||Griffin, Robert M|
Maklakov, Alexei A
|Citation:||Griffin RM, Hayward A, Bolund E, Maklakov AA & Lummaa V (2018) Sex differences in adult mortality rate mediated by early-life environmental conditions, Ecology Letters, 21 (2), pp. 235-242.|
|Abstract:||Variation in sex differences is affected by both genetic and environmental variation, with rapid change in sex differences being more likely due to environmental change. One case of rapid change in sex differences is human lifespan, which has become increasingly female-biased in recent centuries. Long-term consequences of variation in the early-life environment may, in part, explain such variation in sex differences, but whether the early-life environment mediates sex differences in life-history traits is poorly understood in animals. Combining longitudinal data on 60 cohorts of pre-industrial Finns with environmental data, we show that the early-life environment is associated with sex differences in adult mortality and expected lifespan. Specifically, low infant survival rates and high rye yields (an important food source) in early-life are associated with female-bias in adult lifespan. These results support the hypothesis that environmental change has the potential to affect sex differences in life-history traits in natural populations of long-lived mammals.|
|Rights:||This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is the peer reviewed version of the following article: Griffin, R. M., Hayward, A. D., Bolund, E. , Maklakov, A. A., Lummaa, V. and Gaillard, J. (2018), Sex differences in adult mortality rate mediated by early‐life environmental conditions. Ecology Lett, 21: 235-242, which has been published in final form at https://doi.org/10.1111/ele.12888. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.|
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