The AdriaMed Training Course on Fish Population Dynamics and Stock Assessment was held in Split, Croatia from the 10th – 29th September 2001. It was attended by participants from Albania, Croatia Italy and Slovenia. The main objective of the course was the enhancement of professional skills and the strengthening of scientific cooperation through joint analyses of the scientific information available on shared stocks. Furthermore, this training exercise created an ideal opportunity for junior scientists to perform cooperative analyses and joint assessment of those species whose stocks are shared in the Adriatic Sea. A selection of methods of fish stock assessment is described in detail, with examples of calculations (based on Excel© spreadsheets, available from the publisher). Special emphasis is placed on methods based on the analysis of length-frequencies. After a short introduction to statistics and sampling, the text covers the estimation of life parameters, gear selectivity, holistic and analytical models, and prediction models. The last two chapters dealing with multispecies and ecosystem approaches are meant to serve as a conceptual background for future discussions on multi-species considerations that are increasingly relevant in contemporary fisheries research and management.

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