Exploratory fisheries for Dissostichus spp. have been operating in these regions for a number of consecutive years with the tagging of toothfish a prerequisite for the legal fishery. This paper presents a detailed study of the catch and effort trends in Divisions 58.4.1 and 58.4.2 and examines 4 assessment methods based on comparative CPUE trends, local depletions, a constant recruitment model and mark recapture data.
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