Interaction and integration of observation and models – the EcoFish approach
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Ecosystem approach to fisheries management demand new scientific approaches and tools. The EcoFish project is a recently established project that pursues the challenges set by the new approach. It aims at supporting adequate advice by 1) improving the data basis in general, 2) by creating a model complex that can assist traditional assessment tools, e.g. in developing indicators or analysing ecosystem based trigger points for harvest control rules and 3) develop supplementary tools for spatial management. The EcoFish concept therefore challenges new technologies with respect to producing high quality, relevant data that enable modelling of stock properties of exploited fish stocks with adequate geographical and seasonal resolution for evaluation purposes. Models will for example be used to predict distribution of target stock that can be applied for designing an improved sampling regime of the scientific surveys. In this paper we describe the some of the main principles of the EcoFish concept and illustrate our approach though examples that demonstrate some of the key features of the project. Key words: ecosystem approach, modelling, observation schemes