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  • WG-FSA-07/34 Rev. 1
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2007 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

Doc Number: WG-FSA-07/34 Rev. 1
Author(s): A. Brandão and D.S. Butterworth (South Africa)
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Abstract: 

The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and Butterworth (2006) that permitted annual fluctuations about a deterministic stock-recruitment relationship is updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has become available for the years 2006 and 2007. The assessment allows for a second fleet to accommodate data from a pot fishery that operated in 2004 and 2005. Biological parameter values adopted for Subarea 48.3 are used. The resource is estimated to be at about 37% of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be prudent to restrict annual legal catches to 500 tonnes or less, unless a large proportion of the catch is to be taken by pots (which avoid the cetacean predation associated with longlining).

This page was last modified on 30 Sep 2011

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