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    Preliminary results on the progress of the integrated stock assessment by CASAL for Antarctic toothfish Dissostichus mawsoni in Subarea 48.6

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    Номер документа:
    Y. Osawa, K. Sawada and T. Okuda
    Представлено (имя):
    Dr Yumiko Osawa (Япония)
    Утверждено (имя):
    Dr Taro Ichii

    A preliminary integrated stock assessment model was constructed for Dissostichus mawsoni at the Subarea 48.6, using the data collected from Research blocks 2 – 5. Our model showed some improvements, especially in the age/tagging related assumptions. On the other hands, we found some unexpected results on CPUE fits and MPD profiles, which should be carefully considered before we move on to the next step. Additional data or arrangement of parameters of CASAL model might help us to improve the model quality to conduct the future stock assessment of D. mawsoni in subarea 48.6.