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1. Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3

   would be consistent with the CCAMLR decision rule. Author(s):  T. Earl Title:  Assessment of Patagonian ... Abstract:  Assessment of the Patagonian toothfish (D. eleginoides) in Subarea 48.3 indicates that ... recent years. Projections indicate that a constant catch of 2,420 tonnes in the 2020  and 2021 seasons ...

   Meeting Document : WG-FSA-2019/28 : Autor(es): T. Earl

2. Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area

   revealed that the period of eggs incubation and larvae hatching of the year-class 2000 – 2001 was about 4 ... represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... resulting age-length ratio can be used in separation of adjacent year-classes during juvenile fish surveys ... attains 12.5-13.3 cm, with the age of 477 – 533 days, and the first annulus radius of 0.7 – 1.3 mm. It was ...

   Meeting Document : WG-FSA-03/75 Rev. 1 : Autor(es): L.V. Shcherbich (Russia)

3. Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011

   then decreased. Fish length positively correlated with Ross Sea ice extent in early spring, a ... the study area. Fish condition positively correlated with the amount of open water in the Ross Sea ... during the previous summer (Feb), perhaps reflecting greater availability of prey with the higher ... productivity that more open water brings. Decreasing fish size corresponds to the onset of the fishery, which ...

   Meeting Document : WG-FSA-12/P04 : Autor(es): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries

4. Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2

   estimated following the method proposed by Adam & Kirkwood (2001). Tag-loss rates were generally low ... , with longline-caught and recaptured fish losing their tags quicker than trawl-caught and recaptured ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... -loss rate for longline varied strongly between time periods, with l = 0.007 for 2003-2006, l = 0.021 ...

   Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler

5. Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18

   recommend that catch limits in the ASR be calculated following the trend analysis rules developed by WG-FSA ... survival and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ... by seabed area and allowing a maximum of 20% change in the catch limit from 200 t. We note that ... between 2004 and 2014. No age data are currently available after 2014. We recommend that further ageing of ...

   Meeting Document : WG-FSA-18/36 : Autor(es): S. Mormede and S. Parker

6. Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island

   the inshore region so that krill may be easily found in the slope/offshore region; (2) krill tend to ... the slope/offshore region was less abundant with krill and more remote from their breeding sites than ... be larger in body size and more matured in the slope/offshore region than those in the inshore region ... ; larger gravid female krill, which may be easily found and captured by predators, were available in the ...

   Meeting Document : WG-EMM-96/49 : Autor(es): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.

7. Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems

   indicate that the uncertainty associated with the historical reports of catch from these fishing vessels ... with continuous pumping systems is higher than typically assumed. These data should therefore be used ... ensure catch reporting in accordance with the present conservation measure (CM 21-03) and to investigate ... of actions that would facilitate further consideration and clarification of these technical issues ...

   Meeting Document : WG-EMM-18/22 : Autor(es): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad

8. Research results from the SPRFMO exploratory fishing program for Antarctic toothfish 2016 and 2017

   partial starvation which would be consistent with a spawning event prior to the sampling in 2016 and 2017 ... August 2016 (Fenaughty et al. 2016) and September 2017. Analysis of the information collected showed high ... . Fish length and mass, body condition, sex ratio, and gonad condition were consistent with previous ... that Antarctic toothfish also spawn north of 60° south latitude in the Southern Ocean. Biological ...

   Meeting Document : WG-FSA-18/39 : Autor(es): J.M. Fenaughty, M. Cryer and A. Dunn

9. Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13

   . Predicted CPUE (catch/km) for D. eleginoides and D. mawsoni varied with years but showed no upward and ... downward tendencies with years. D. mawsoni mainly occurred in the shallower areas > 1 200 m but ... , suggesting that Banzare Bank is one of important spawning grounds for D. mawsoni. On the other hand, such an ... -recapture experiment in the 2012/13 season with a little modified spatial design. An approximate stock ...

   Meeting Document : WG-FSA-12/56 : Autor(es): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

10. Draft Revised Management Plan for ASPA 149, Cape Shirreff and San Telmo Island, Livingston Island, South Shetland Islands

    the plan, approval is required by CCAMLR. It should be noted that this area is also a CEMP site ... visit was made to the site in February 2001 to verify information and to ensure that the information in ... (Conservation Measure 91-02 (2000)). The draft management plan for ASPA 149 was prepared in accordance with the ... provisions of Annex V to the Environmental Protocol and consistent with the Guide to the Preparation of ...

    Meeting Document : WG-EMM-04/8 : Autor(es): Delegations of Chile and USA

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