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    Exploring the ASPM as an alternative method to estimate
    the Patagonian toothfish biomass at CCAMLR Subarea 48.3

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    Número de documento:
    WG-FSA-SAM-05/5 Rev. 1
    O.C. Wöhler, P.A. Martínez and A. Aubone (Argentina)
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    ASPM have been proposed and applied for Patagonian toothfish stock assessment at CCAMLR Subarea 48.3. Last results obtained from this model, discussed at WG-FSA (2004), do not show acceptable fit with standardized CPUE series and observed length proportions in the catches.
    In this paper, we discuss some of the problems related with available CPUE data and estimate new vulnerability patterns to produce a good fit of the model both, to CPUE series and proportion-at-length data from CCAMLR dataset.