Activity of perch, Perca fluviatilis L. in relation to water temperature [Translation from: Kalamies 1973(6) 4.]
Tenhunen, A. | Hytinkosi, P. | Kukko ., O. | Lind, E. A. | Turunen, J.
Catchability and activity of Perca fluviatilis in relation to temperature is examined. The number of fish caught and water temperature during the 3 summer months was used the assess the numbers of hours of activity of perch. Parallel to the research on activity, large-scale marking was carried out to establish the periods of growth during the year.
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Эту запись предоставил Freshwater Biological Association