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Sampling methods applied to fisheries science: a manual.

Year of publication 2005

Place of publication Rome, Italy ;

Pages 99

Author Cadima, E.L.; Caramelo, A.M.; Afonso-Dias, M.; Conte de Barros, P.; Tandstad, M.O.; de Leiva-Moreno, J.I.;Fishery and Aquaculture Economics and Policy Division

Publisher FAO ;

Product type Book (series)

ISBN 9251053979

Series title FAO Fisheries Technical Paper

Series number 0429-9345 - T434

Synopsis (short abstract) The main objective of this manual is to present the basic and standard concepts of sampling methods applied to fisheries science. In order to ensure sound fisheries research, it is essential to have reliable data from landing ports, fishery stocks and research surveys. A rational management of fishing resources can then be established to ensure a sustainable exploitation rate and responsible fisheries management, providing long-term benefits for all. This document provides an introduct ion to sampling theory and introduces the theory of the three worlds (population, sample and sampling), as well as a short revision of probability concepts. It also provides an overview of the simple random, random stratified, cluster and two-stage sampling methods. The expressions for estimating the mean and total of the populations, their sampling distributions, the expected values, the sampling variances and their estimates are included and justified for each of the sampling desig ns. The document also contains a case study of biological sampling from landing ports and exercises that should be used to further understanding of the objectives of sampling and its advantages for fishery resource studies.

Cite this content as:

Cadima, E.L.; Caramelo, A.M.; Afonso-Dias, M.; Conte de Barros, P.; Tandstad, M.O.; de Leiva-Moreno, J.I. Sampling methods applied to fisheries science: a manual. FAO Fisheries Technical Paper. No. 434. Rome, FAO. 2005. 88p.

Language English

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    This document was produced in a provisional version solely for use as background documentation at the FAO/DANIDA Training Centre in the Methodology of Fisheries Science held in Frederikshavn, Denmark from 28 August to 22 September 1972. On the basis of the experience gained in using it as training material it has been revised and edited with a view to circulating it for comment by international workers in this field. This revised version will be used at the second FAO/ DANIDA Training Centre in the Methodology of Fisheries Science (Biology) to be held in Kelibia, Tunisia, from 29 July to 23 August 1974. Comments and criticisms are welcomed and should be addressed to the Aquatic Resources Survey and Evaluation Service, Fishery Resources and Environment Division, FAO, Rome. Hyperlinks to non-FAO Internet sites do not imply any official endorsement of or responsibility for the opinions, ideas, data or products presented at these locati ons, or guarantee the validity of the information provided. The sole purpose of links to non-FAO sites is to indicate further information available on related topics.
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