Report of the training course on single-species length based stock assessment methods
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The training course on length-based stock assessment methods was held in Kavala, Greece between the 21 st to 25 th of February 2011. Twenty three scientists from Algeria, Cyprus, Egypt, Gaza Strip and West Bank, Greece, Lebanon and Turkey attended the course. The course was designed for fisheries biologists working in fisheries centres or other research institutions involved in fisheries monitoring, research and management in the Eastern Mediterranean. The course covered a five day period and provided instruction, demonstration, and exercises in estimating biological parameters and application of stock assessment models from length based methods. The last day was designed as an exercise session requiring the conduction of a complete stock assessment, starting from the estimation of biological parameters (growth, maturity, natural mortality), and including the calculation of total and fishing mortality using both the catch curve approach and th e LCA. The exercise was completed with the estimation of fishing reference points (F0.1) and the evaluation of the stock status. Formal procedures through which stock assessments are presented to the General Fisheries Commission for the Mediterranean (GFCM) were also described. Overall the participants were highly satisfied with the quality of the training, that scored a high mean evaluation (very good), from a feedback questionnaire that was distributed after the course. Followi ng the feedback received from the participants and the experience of the instructors recommendations have been proposed for a follow up of this training course