Gill raker counting for approximating the ratio of river- and sea-spawning whitefish, Coregonus lavaretus (Actinopterygii: Salmoniformes: Salmonidae) in the Gulf of Bothnia, Baltic Sea

Gill raker counting for approximating the ratio of river- and sea-spawning whitefish, Coregonus lavaretus (Actinopterygii: Salmoniformes: Salmonidae) in the Gulf of Bothnia, Baltic Sea

Background. The ability to distinguish between stocks in mixed fisheries is a prerequisite for a sustainable fisheries management. In the Gulf of Bothnia the relative contribution of endangered river-spawning and sea-spawning whitefish, Coregonus lavaretus (Linnaeus, 1758), to fisheries catches are...

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Bibliographic Details
Main Authors: M. Himberg, M. Von Numers, A. Vasemägi, J. Heselius S., T. Wiklund, O. Lill J., H. Hägerstrand
Format: Article
Language:English
Published: Pensoft Publishers 2015-06-01
Series:Acta Ichthyologica et Piscatoria
Subjects:
stock discrimination
mixed fisheries
spatiotempo
Online Access:https://aiep.pensoft.net/article/26536/download/pdf/

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