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Comparison of Champsocephalus gunnari catches in Subarea 48.3 from1994–97 and 2013 cruises

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Document Number:
WG-FSA-13/65
Author(s):
E. Marschoff and P. Martínez (Argentina)
Submitted By:
Sarah Mackey (CCAMLR Secretariat)
Abstract

The local densities of Champsocephalus gunnari  observed in the 2013 survey are compared with those observed in 1994-1997. A significant increase in densities across 24 sites previously sampled was found. The comparison of the length distribution functions suggests that the stock depletion in the early 1990’s was due to recruitment collapse, probably a consequence of overfishing.