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Observations de populations marquées de la musaraigne aquatique Neomys fodiens (Insectivora, Mammalia)
Bulletin de la Société Vaudoise des Sciences Naturelles
Three populations of the European water shrew Neomy fodiens have been observed by live-trapping, one of them during twelve months. During highest populations density a local maximum of 21 individuals have been caught. Recapture frequency from month to month was less than 50%, probably due to a weak trappability and an important dispersal behaviour. During the winter all three populations disappeared. Change in habitat or change in behaviour might be responsible for the lack of trapping siccess in the cold period.
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