A Dynamic Stochastic Approach to Fisheries Management Assessment. An Application to some European Fisheries

José María Da Rocha Alvarez () and María-José Gutiérrez
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José María Da Rocha Alvarez: UNIVERSITY OF VIGO UNIVERSITY OF THE BASQUE COUNTRY

No 201029, Working Papers from Fundacion BBVA / BBVA Foundation

Abstract: Most existing studies assessing the management of fisheries fail to check the accuracy of the parameters estimated in reproducing the observed dynamics of the resource. We present an alternative approach: assuming that the stock growth path is affected by productivity shocks that follow a Markov process, we calibrate the growth path of the resource so that the observed dynamics of resource are matched. In this context, an efficient policy consists of applying a different exploitation rule depending on the state of the resource whereas the constant-escapement rule is not the efficient policy. This approach is applied to three different fishing grounds: the European Anchovy (Division VIII), the Southern Stock of Hake (Divisions VIIIc and IXa) and the Northern Stock of Hake (mainly Divisions VII and VIII).

Keywords: Fisheries management; renewable resources; biomass dynamics; European fisheries. (search for similar items in EconPapers)
Pages: 70
Date: 2005-12
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