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Please use this identifier to cite or link to this item: http://hdl.handle.net/1834/519

Title: Analysis of Tag Recoveries in Mauritius (1988-1993) and Presentation of Codification Procedure in Use
Authors: Cayré, P.
Norungee, D.
Lim Shung, C.
ASFA Terms: Tagging
Tuna fisheries
Issue Date: 1995
Abstract: Tagging is considered an excellent tool for estimating the importance of interactions and competition between fisheries as well as to study tuna stocks and migrations. The Regional Tuna Project of the Indian Ocean Commission (IOC) conducted five tagging cruises in the western Indian Ocean, during which 955 fishes were tagged. Out of the total number tagged 15 were recaptured. Tuna tagging in the Indian Ocean was also undertaken by the Indo- Pacific Tuna Programme and by the Japanese National Research Institute of Far Seas Fisheries. 39 tuna marked by these organisations were recovered in Mauritius. Analysis of data collected from the tag recoveries provide some preliminary estimates of growth rate and migration of tuna. Tagging is the most direct method to estimate growth, stock structure, schooling behaviour and migrations; it also provides essential information for estimating mortality (natural and fishing) and fisheries interactions and thus is pertinent for defining proper management of a stock.
URI: http://hdl.handle.net/1834/519
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