Studies on trout (Salmo trutta L.) wild smolts of the River Rega
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Авторы
Chełkowski,Z.
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Pensoft Publishers
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Описание
The paper describes length, weight, age, and growth rate as well as seasons of trout wild smolts seaward migration from the Pomeranian river Rega. Since scales of smolts were at the stage of annual rings formation, age determinations were preceded by counting sings and analysing marginal increments. In order to obtain information on smolt condition, a nourishment index was calculated from the Fulton formula.