An inventory of salmon (Salmo salar L.) spawning grounds in the drainage basin of the Drawa, a 4-th order tributary of the Odra
Дата
Авторы
Chełkowski,Z.
Chełkowska,B.
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Издатель
Pensoft Publishers
Аннотация
Описание
Salmon spawning grounds were counted in the rivers Drawa and Płociczna within 1977-1983. From 0 to 44 and from 3 to 22 spawning grounds per year were recorded in the Drawa and Płociczna, respectively.