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1. An assessment of the impact of krill fishery on penguins in the South Shetlands

   equivalent amount (3,000-10,000 t/10-day) for the following three months, with its increased fishing ... penguins is estimated to be large in the shelf and slope near King George Island (11,680 t/10-day), whereas ... small near Livingston (2,570 t/10-day) and Elephant (220 t/10-day) Islands. This little overlap between ... . Author(s):  T. Ichii, M. Naganobu and T. Ogishima (Japan) Title:  An assessment of the impact of krill ...

   Meeting Document : WG-KRILL-93/07 : Autor(es): T. Ichii, M. Naganobu and T. Ogishima (Japan)

2. OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08

   closed on 30 January 2008). • The vessel caught a total of 9.757 t of Dissostichus mawsoni in Division ...

   Meeting Document : WG-FSA-08/16 : Autor(es): A.T. Lozano and O. Pin (Uruguay)

3. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

   north of the islands, as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill ... late January 1991, i.e. 1.78 million t (56 g/m2), should be regarded as the lower level for the shelf ...

   Meeting Document : WG-KRILL-91/22 : Autor(es): Delegation of Japan

4. Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014

   was calculated at 30 tonnes. The fishing bias to the shallow areas should be avoided because the ... projection period in the model. Author(s):  K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan ...

   Meeting Document : WG-FSA-15/22 : Autor(es): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

5. Preliminary results of stock estimation for D. mawsoni using CASAL in the research block 48.6_2

   . The MCMC estimates of B0 (18143.15t) and current biomass (17431.60 t) are much higher than the latest ... biomass estimates by CPUE-by-seabed method (3029 t) and Chapman method (4223 t). CCAMLR decision rule risk ... under the current catch level (170 t) become nearly zero (Table 3). Although the preliminal CASAL model ... 48.6. Author(s):  T. Okuda Title:  Preliminary results of stock estimation for D. mawsoni using CASAL ...

   Meeting Document : WG-FSA-18/72 : Autor(es): T. Okuda

6. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E for the 2004/05 season

   uncertain, with the median estimated as 7720 t (95% credible intervals 3760–22 240 t), and current (B2005 ... , were estimated to be 670 t. However, as the fishing selectivity was estimated to be to the right of the ... . Moreover, the mean catch that could actually be taken under this scenario was 450 t. Hence, two revised ... equal to the maturity ogive, and hence the yield was calculated as 273 t. The second used the model ...

   Meeting Document : WG-FSA-05/31 : Autor(es): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

7. Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season

   tended to overestimate for < 30 years, but underestimate for > 30 years, as compared to AAD readers ... . 800 samples in the next WG-FSA. Author(s):  K. Taki, T. Iwami and M. Kiyota (Japan) Title ...

   Meeting Document : WG-FSA-11/16 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)

8. Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas

   Polish and Japanese by-catch samples, and its estimated value of an arithmetic mean was 11541 ind./t ... krill and 34588 ind./t krill respectively. In the Ukrainian sample, most of by-catch juveniles were ... referred to Champsocephalus gunnari and L. larseni, and its arithmetic mean was 78523076 ind./t krill and ... 60352790 ind./t krill respectively. Thirteen species including four mesopelagic fish species were found in ...

   Meeting Document : WG-FSA-96/19 : Autor(es): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.

9. A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region

   estimated to be 92 140 t (70 330–121 950 t); a higher B0 72 620 t (65 040–81 050 t) when compared to the ... mortality was lower and estimated the precautionary yield higher (3419 t compared with 3258 t). MPD ...

   Meeting Document : WG-SAM-2019/04 : Autor(es): B. Moore, S. Mormede, S. Parker and A. Dunn

10. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19

    spawning stock biomass to be about 71 730 t (95% CIs 65 890–78 730 t) and the current stock status to be 66 ... between north of 70° S (19%), south of 70° S (66%), and the SRZ (15%) was 3140 t. Hence, we recommend that ... the catch limit be set at a total 3140 t for the Ross Sea region in the 2019/20 and 2020/21 fishing ... seasons, with a catch limit of 588 t for north of 70° S, 2042 t for south of 70° S, and 464 t for the SRZ ...

    Meeting Document : WG-FSA-2019/08 : Autor(es): A. Dunn

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