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  • Winter Reproduction in Smal...
    Larsson, Tor-Björn; Hansson, Lennart; Nyholm, Erik

    Oikos, 01/1973, Volume: 24, Issue: 3
    Journal Article

    Winter reproduction was observed in Microtus agrestis (L.) and Apodemus sylvaticus (L.) in north-central Sweden. Fecund animals of these and other small rodent species were observed throughout the country in February-March 1973. The proportion of mature specimens varied widely in adjacent localities.