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No Thumbnail AvailableBook (series)A review of length-based approaches to assessing fish stocks 1992
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This document reviews the several fish stock assessment methods based on length-frequency analysis. Emphasis is placed on sampling and collection of length-frequency data, to the estimation of population parameters such as growth, mortality and recruitment and the estimation of catch selectivity. Attention is given to the conversion of length to age using age-length keys, slicing length-frequency composition, and using modes. It reviews long-and short-term effects of changes in selection and fis hing mortality, and discusses methods for long-term assessments and for short-term projections. The manual gives several examples of the most common methods used and stresses the advantages of using personal computers and the most recent software for data processing and analysis. -
MeetingReport of the second meeting of the SCSA Working Group on Stock Assessment Methodologies, on basic methods and protocols to undertake assessments with direct methods. Libya, 2-4 June 2008
<i>Meeting document GFCM:SAC11/2008/Inf.13</i>
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No Thumbnail AvailableProjectREPORT - SECOND TRAINING COURSE ON FRESHWATER FISH-FARM MANAGEMENT3 August–2 October 1987 1988
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No results found.The second, in a series of three English-language Training Courses in Aquaculture, financed jointly by AGFUND and the Government of Hungary, was held from 3 August to 29 October 1987. Eighteen participants from fourteen countries in Asia, Africa and the Caribbean attended this course on Freshwater Fish-Farm Management. The course was divided between two countres in Hungary, the first 10 weeks being spent at the Fisheries Research Institute, Szarvas, and the last three weeks at the Warmwater Fish Hatchery, Százhalombatta. Instruction took the form of approximately 40% practical classes and 60% lectures. Most of the lecturers were Hungarian experts, with the addition of international consultants recruited by FAO to cover specialized topics when necessary. Field study tours to visit commercial fish-farms and related industries were also arranged. The quality and success of the course was evaluated by the participants in confidential questionnaires. These revealed a high level of sat isfaction with most aspects of the organization and teaching, though some improvements, concerning in particular the amount of practical classes and the level of participaninvolvement were suggested. The Second International Training Course in Aquaculture was thus a successful part of the series.
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