A conceptual model of distribution of capelin in the Barents Sea

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Abstract
To support an assessment model, we propose a set of numerical models where distribution and growth of capelin (Mallotus villosus) is modelled by biological (evolutionary, ecological) and physical forces. The basics of a dynamic optimization fish distribution model is outlined. This model must be coupled to hydrodynamicallmeteorological (temperature, ice conditions, light regime) and biological (plankton transport and production) models. While modelling capelin distribution is the short term aim, the ultimate goal is to develop management models where understanding (theory) rather than knowledge (empiricism) is the basis for prediction. This will enable sustainable management also in years deviating from past experience.

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