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首页> 美国卫生研究院文献>Biology Letters >Male sexual harassment alters female social behaviour towards other females
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Male sexual harassment alters female social behaviour towards other females

机译：男性性骚扰改变了女性对其他女性的社会行为

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Male harassment of females to gain mating opportunities is a consequence of an evolutionary conflict of interest between the sexes over reproduction and is common among sexually reproducing species. Male Trinidadian guppies Poecilia reticulata spend a large proportion of their time harassing females for copulations and their presence in female social groups has been shown to disrupt female–female social networks and the propensity for females to develop social recognition based on familiarity. In this study, we investigate the behavioural mechanisms that may lead to this disruption of female sociality. Using two experiments, we test the hypothesis that male presence will directly affect social behaviours expressed by females towards other females in the population. In experiment one, we tested for an effect of male presence on female shoaling behaviour and found that, in the presence of a free-swimming male guppy, females spent shorter amounts of time with other females than when in the presence of a free-swimming female guppy. In experiment two, we tested for an effect of male presence on the incidence of aggressive behaviour among female guppies. When males were present in a shoal, females exhibited increased levels of overall aggression towards other females compared with female only shoals. Our work provides direct evidence that the presence of sexually harassing males alters female–female social behaviour, an effect that we expect will be recurrent across taxonomic groups.
机译：为了获得交配机会，雄性骚扰雌性是两性在生殖与生殖之间发生利益冲突的结果，在有性生殖物种中很常见。特立尼达男性孔雀鱼Poecilia reticulata大部分时间都在骚扰女性以进行交配，而且他们在女性社会群体中的存在已显示出扰乱女性与女性的社交网络，以及女性倾向于基于熟悉度发展社会认同的倾向。在这项研究中，我们调查了可能导致女性社交活动中断的行为机制。通过两个实验，我们检验了以下假设：男性存在会直接影响女性对人口中其他女性表达的社会行为。在实验一中，我们测试了雄性对雌性暗沙行为的影响，发现在有自由游动的雄性孔雀鱼的情况下，雌性与其他雌性在一起的时间要短于在自由游动的情况下。女孔雀鱼。在实验二中，我们测试了男性存在对雌性孔雀鱼侵略行为发生率的影响。当雄性浅滩中有雄性时，与仅雌性浅滩相比，雌性对其他雌性的侵略性增加。我们的工作提供了直接的证据，表明性骚扰男性的存在改变了男女之间的社会行为，我们希望这种影响在所有分类学群体中都会再次出现。

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