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1. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   ) skates released alive should be doubled-tagged (i.e. two tags per skate) at a rate of one skate in every ... was limited to Japanese, Spanish and Uruguayan vessels using longlines only, and no more than one vessel per ... country was permitted to fish at any one time (Conservation Measure 41-07). The precautionary catch ... were released in Division 58.4.3b and one was released in Division 58.4.1 (Figure 6); (ii) large ...

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2. Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3

   for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... ) every five years based on results of monitoring either (1) the density of krill (g·m ‑2) or (2) changes ... SSMUs in proportion to catches taken during 2009-2016, we found that the two feedback management ... strategies assessed. Our results suggest it may be useful to consider alternatives to the two FBM strategies ...

   Meeting Document : SC-CAMLR-XXXVII/BG/12 : Author(s): Delegation of the USA

3. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

   Paper Title:  Growth and age/length structure of populations of Notothenia (Lepidonotothen ... :  Age, growth and age/length composition of populations of grey rockcod (Notothenia (Lepidonotothen ... g at the banks and 153 to 188 g in the Kerguelen Island area were recorded for fish at age 6 to 12. Growth ... parameters were calculated according to Bertalanffy’s equation. The dynamics of age/length composition ... of its theoretical maximum length and one-third of its maximum body weight at the age of 9 years ... with the fairly constant mean age of the population over the last two years, the proportion of fish with a mode ... of different age. 132 2500 2000 0> 1500 'I 'I 'I 1000 500 fO 20 30 Y Y 'I 40 ... age data. This species is characterized by a long life cycle; 15 year old specimens were recorded ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.

4. Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   (CCAMLR Division 58.4.1) with a focus on Antarctic krill was carried out by Kaiyo-maru during the 2018/19 ... season for 53 days. The survey consisted of 2 survey periods: Leg 1 (from 15 December 2018 to January ... edge on 80°E and ended at ice edge on 120°19.0’E. Leg 2 was commenced at 63°00.0’S on 150°00.0 ... ’E and ended at ice edge on 125°50.0’E. Two small scale oceanographic surveys (off the Mertz Glacier Tongue ...

   Meeting Document : WG-EMM-2019/42 : Author(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki

5. Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b

   (Figure 3). These ages may be overestimated by one year due to an interpretation issue concerning ... . 9. A sample of otoliths collected in 2007/08 has been aged and results reported in WG-FSA-10/48. Ages of 214 ... growth curves fitted to the estimated age and length data (Figure 3). TOT 58.4.4 5 Figure ... using stock parameters from WG-FSA-10/48, and the mean age of first and full selection by the research ...

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6. Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)

   -FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially revised ... ”) are addressed in two documents submitted at WG-SAM-19. We updated milestone tables of objective ... on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21) Approval:  Approved ... /33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially revised ...

   Meeting Document : WG-FSA-2019/64 : Author(s): Delegations of Japan and France

7. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region

   of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within one summer ... . The exchange rate of water masses and krill biomass within one summer season was roughly estimated as 2 times ... a rate of Z=0.88 (1989/90) and Z=0.96 (1987/88). Production was estimated and resulted a P/B ratio ... production) of 4.3 and 5.0*106 tonnes passing through the survey area during the respective summer. Author ...

   Meeting Document : WG-KRILL-91/15 : Author(s): Delegation of Germany

8. Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)

   this with one or two years of additional catch-at-age data. 38. The Working Group therefore considered two ... in one or two years. 31. Figure 13 shows the likelihood profile for the current assessment model ... the predicted future spawning biomass (SSB) was below 20% of B0 in the respective sample of any one year ... . 1). Table 3: Sample size for age determination of fish caught in Subarea 48.3. Year Sample size for age ...

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9. Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)

   , maturity ogive, ALK) using >2000 age readings and incorporated estimations of depredation rate and IUU ... parameters (growth curve, maturity ogive, ALK) using >2000 age readings and incorporated estimations ... -FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially revised ... ”) are addressed in two documents submitted at WG-SAM-19. We updated toothfish biological parameters (growth curve ...

   Meeting Document : WG-SAM-2019/08 : Author(s): Delegations of Japan and France

10. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

    to the inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... -populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused by the offshore ... : and a bandwidth of 0.15 which yields an effective bandwidth of approximately one year. Barrera-Oro et al ... ). This probably reflects the high availability of these two species at a site which is far away from the main ... cette region a la fin des annees 70. Cette interpretation concorde avec les informations que l'on ... . ~ ~ T J I ~ H A C K H X 0-BOB - AHT~PKTHY~CKO~O 11-OBa 323 3TH 10 neT. Co~pa~eHHe IlOIlOnHeHHrl Ilpk16pe~~blx cy6nonynsruktii ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

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