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  • Title: [Long-term changes in the epizootic of juvenile salmon (Salmo salar L.) in the Keret River (White Sea basin) depending on the invasion of Gyrodactylus salaris Malmberg, 1957].
    Author: Ieshko EP, Shul'man BS, Shchurov IL, Barskaia IuIu.
    Journal: Parazitologiia; 2008; 42(6):486-96. PubMed ID: 19198173.
    Abstract:
    Results of long-term investigations on the population dynamics of juvenile Atlantic salmon (Salmo salar L.) in the Keret' river (White Sea drainage basin) depending on the invading of Gyrodactylus salaris (Malmberg, 1957) and mass infestation of salmon with this parasite are presented. Gyrodactylus salaris was for the first time recorded in the Keret' river in 1992. During the period lesser than five years the parasite spread along the river. The rise in the infestation of salmon parr with G. salaris caused death of the fish host. As the abundance of juveniles decreased, adult salmon stocks dropped more than 25 times. It was shown, that after the decreasing in number of salmon juveniles following acute epizootic, infestation parameters dropped, and in some years G. salaris was not even found at all.
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