Szukana fraza: [Opis = "Ims \(1987a\) hypothesized that the spatial distribution pattern of male voles may be influenced by the temporal distribution of females. When females enter estrus synchronously \(i.e. are clumped in time\) they represent a defendable resource and males should defend a territory containing a cluster of females. When females breed asynchronously, males should not be territorial. In this study we examined the role of female breeding synchrony on the spacing strategies of male meadow voles Microtus pennsylvanicus \(Ord, 1815\)."]

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