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dc.contributor.authorPilakouta, Natalie
dc.contributor.authorSellers, Lorelei
dc.contributor.authorBarratt, Rebecca
dc.contributor.authorLigonniere, Alice
dc.identifier.citationPilakouta , N , Sellers , L , Barratt , R & Ligonniere , A 2023 , ' The consequences of heatwaves for animal reproduction are timing-dependent ' , Functional Ecology , vol. 37 , no. 9 , pp. 2425-2433 .
dc.identifier.otherRIS: urn:03C7F0640672ED2B62335BC92925DB9F
dc.identifier.otherORCID: /0000-0001-8503-520X/work/144462010
dc.descriptionFunding: The study was funded by a SULSA Early Career Researcher Prize and a Royal Society Research Grant awarded to NP (RGS\R1\211295).en
dc.description.abstractIn light of the increased frequency of heatwaves due to climate change, it is crucial to better understand their potential effects on animal reproduction. Heat stress can affect all aspects of reproduction, including gamete development, fertilisation success, parental care and offspring survival. We may, therefore, expect these effects to be highly sensitive to the timing of a heatwave event relative to an organism's reproductive cycle. Here, we use an insect study system (Nicrophorus vespilloides) to test whether variation in the timing of a heatwave within a short timeframe has differential effects on reproductive success and offspring fitness. We found that heatwaves had little to no effect when they occurred a few days before or after mating, but they were highly detrimental for fitness if they occurred during mating. Individuals that experienced a heatwave during mating were significantly less likely to have a successful breeding bout, had a longer breeding bout, and their offspring were smaller and suffered a lower survival rate. Our study shows that variation in the timing of a heatwave event over very short timescales (on the order of days) can have drastically different consequences for animal reproduction. This work provides novel insights into the vulnerability of organisms at different stages of their reproductive cycle and can improve our ability to make informed predictions about the ecological consequences of heatwaves under climate change.
dc.relation.ispartofFunctional Ecologyen
dc.subjectClimate changeen
dc.subjectParental careen
dc.subjectReproductive successen
dc.subjectSDG 13 - Climate Actionen
dc.titleThe consequences of heatwaves for animal reproduction are timing-dependenten
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Biologyen
dc.description.statusPeer revieweden

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