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- W4286424322 abstract "Abstract Population structure determines individuals’ interactions and trade-offs with evolutionary consequences. Male-biased populations increase intrasexual competition and intersexual harassment, reducing female resource acquisition, and thus, resources availability for the following generation. We analyzed direct and cross-generational effects of male harassment in two generations of damselflies (Odonata). We exposed adult females to treatments with different sex-ratio and density (balanced and male-biased) to modify the male harassment level. We analyzed female fecundity, fertility, and number of faecal deposits as an indirect measure of resources acquisition. We studied female flight performance after repeated exposures to males. We analyzed survivorship, development, exploration, thigmotaxis, and feeding latency of larvae produced by the experimental females. In both generations, we analyzed four metrics of behavior: mean value, interindividual differences in plasticity, intra-individual unpredictability, and repeatability. Mating duration increased in male-biased treatment, whereas female resources acquisition and fertility decreased. Females that mated longer showed higher fecundity when they were exposed to balanced treatment, but not if they were exposed to male-biased treatment. Females from the male-biased treatment showed interindividual differences in plasticity and no repeatability in flight performance. Offspring showed balanced sex-ratio and similar survivorship, development, and feeding latency independently of the parental treatment; however, females exposed to male-biased treatment produced offspring with higher differences in exploration plasticity and daughters less explorative and with higher unpredictable thigmotaxis. We propose prolonged copulation as courtship at balanced sex-ratio but a cost to females under male-biased sex-ratio. Cross-generational effects in behavioral variability may be a mechanism to cope with predicted future environments." @default.
- W4286424322 created "2022-07-22" @default.
- W4286424322 creator A5010632162 @default.
- W4286424322 creator A5037899113 @default.
- W4286424322 creator A5049795971 @default.
- W4286424322 date "2022-06-08" @default.
- W4286424322 modified "2023-09-30" @default.
- W4286424322 title "Direct and cross-generational effects of reproduction on fitness and behavioral variability in male-biased environments" @default.
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- W4286424322 doi "https://doi.org/10.1093/cz/zoac045" @default.
- W4286424322 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37351290" @default.
- W4286424322 hasPublicationYear "2022" @default.
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