2017•NORA - Norwegian Open Research ArchivesOpen access

Fluctuations in the Great Fisheries of Northern Europe: Viewed in the Light of Biological Research

Johan Hjort

Abstract

Comparison of the distribution of the youngest year classcs with the currenls in Lhe North Sea 60 Composition in point of age of herring shoals of older age classes .Difficulty of investigation 62 Different types of corriposition in point of age . . . . . . . . . . . . . . . . . . . . . . . .

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Key concepts: Fishery, Geography, Fisheries Research, Fisheries science, Fish <Actinopterygii>, Fishing, Fisheries management, Biology