Haku
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Rapport nr 132: Gösens ( Sander lucioperca (L.)) förekomst i Ivarskärsfjärden
(Åbo Akademi, Husö biologiska station, 2012)
During summer 2011 the bay of Ivarskärsfjärden was surveyed for the occurrence of pikeperch
(Sander lucioperca). This survey was done in order to investigate where the pikeperch spend their time after their breeding season ...