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Is the speed of adjusting to environmental change condition dependent?An experiment with house mice(Mus musculus)

Current Zoology 2024年第3期70卷 350-360页

作者： Karem Lopez-Hervas Neelam Porwal Mathilde Delacoux alexandros vezyrakis Anja Guenther RG Behavioural Ecology of Individual Differences Max Planck Institute for Evolutionary Biology24306 PlönGermany Department of Evolutionary Biology Faculty of BiologyAdam Mickiewicz UniversityWieniawskiego 161-712 PoznańPoland Department for Collective Behaviour Max Planck Institute of Animal Behaviour78464 ConstanceGermany Centre for the Advanced Study of Collective Behaviour University of Konstanz78464 ConstanceGermany Animal Ecology Institute for Biochemistry and BiologyUniversity of Potsdam14469 PotsdamGermany

Environmental conditions change constantly either by anthropogenic perturbation or naturally across space and ***,a change in behavior is the frst response to changing *** fexibility can potentially improve an organism’s chances to survive and ***,we lack an understanding on the time-scale such behavioral adjustments need,how they actually affect reproduction and survival and whether behavioral adjustments are suffcient in keeping up with changing *** used house mice(Mus musculus)to test whether personality and life-history traits can adjust to an experimentally induced food-switch fexibly in adulthood or by intergenerational plasticity,that is,adjustments only becoming visible in the offspring *** lived in 6 experimental populations of semi-natural environments either on high or standard quality food for 4 *** showed previously that high-quality food induced better conditions and a less risk-prone ***,we tested whether the speed and/or magnitude of adjustment shows condition-dependency and whether adjustments incur ftness ***-history but not personality traits reacted fexibly to a food-switch,primarily by a direct reduction of reproduction and sloweddown *** whose parents received a food-switch developed a more active stress-coping personality and gained weight at a slower rate compared with their respective ***,the modulation of most traits was condition-dependent,with animals previously fed with high-quality food showing stronger *** study highlights that life-history and personality traits adjust at different speed toward environmental change,thus,highlighting the importance of the environment and the mode of response for evolutionary models.

关键词： animal personality context dependence environmental change Match-mismatch non-genetic inheritance phenotypic flexibility phenotypic plasticity

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