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1. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover

   abundance of N. rossii showed an increase in years 2002-2003, whereas G. gibberifrons was absent in the ... twenty four years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003. The ... gibberifrons in relation to the non commercially fished Notothenia coriiceps, which was previously reported for ... the period 1983-1999, is still evident. At Potter Cove, despite an overall increasing trend of N ...

   Meeting Document : WG-FSA-06/25 : Автор(ы): E.R. Barrera-Oro and E.R. Marschoff (Argentina)

2. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

   stock assessment was repeatedly raised on the meetings of Working Group on Fish Stock Assessment (WGFSA ... Abstract:  The unusually effective fishery on mackerel icefish (C.gunnari) in the South Georgia ... Island subarea (48.3), when during 1.5 months two fishing vessels (Russia and Chile) caught more than 4 ... species) biomass assessment based on the results of bottom trawl surveys. A question on unreliability of ...

   Meeting Document : WG-FSA-00/45 : Автор(ы): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

3. Seabird mortality on longlines in Australian waters: a case study of progress and policy

   seabird mortality is poorly known for most of the world's longline fisheries. Information on bird ... Japanese longliners over 10 years show an apparent fall from the 1988 bycatch figure of 0.4 birds/1000 ... bycatch in the Southern Oceans is best known for the Australian and New Zealand regions. The 10 year ... impact of longline fishing on seabirds was first documented, is presented as a case study. Most of the ...

   Meeting Document : WG-FSA-98/29 : Автор(ы): R. Gales, N. Brothers, T. Reid, D. Pemberton and G.B. Baker (Australia)

4. Update report on marine mammal interactions in Division 58.4.4

   individuals observed in 2014 were observed again in 2018 on the west part of Crozet’s EEZ along with two other ... rates between areas and seasons vary greatly (from 0 to 70%). Depredation rates were updated for ... individuals including a young calf. This document provides an update of the interaction and depredation rates ... and the first insight into individual’s identifications for Division 58.4.4. Author(s):  N. Gasco, P ...

   Meeting Document : WG-SAM-2019/01 : Автор(ы): N. Gasco, P. Tixier, T. Okuda, C. Péron and F. Massiot-Granier

5. Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in March–April 2010, including a revised growth model

   58.5.2 in the vicinity of Heard Island in March-April 2010 to provide the information for an assessment ... assessment of yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods ... focus on this cohort. A new growth model is also estimated which shows an improved fit to observed sizes ... . The strong year class detected in the last three years’ surveys is now fully recruited as the 4 ...

   Meeting Document : WG-FSA-10/12 : Автор(ы): D.C. Welsford (Australia)

6. Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys

   in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... abundance of whales in relevant subareas for krill management, and the second is on the concentration of ... of Antarctic sighting cruises for whale assessment purposes organized by the International Whaling ... . CPI, CPII and CPIII data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00 ...

   Meeting Document : WG-EMM-16/26 : Автор(ы): L.A. Pastene and T. Hakamada

7. Observation on interactions between marine mammals and krill mid-water trawl

   Abstract:  An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... underwater and on sea surface observations were both deployed. Although large numbers of Antarctic fur seal ... seals. Future researches on the interaction between marine mammals and krill fishing gears would be ...

   Meeting Document : SC-CAMLR-38/BG/20 : Автор(ы): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu

8. Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves

   could be used when analysing krill aggregations' distribution and density for the period of years ... temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ... Abstract:  Basing on the analysis of major water mass boundaries and their thermochaline ...

   Meeting Document : WG-EMM-00/34 : Автор(ы): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)

9. Use of a population model to assess the impact of longline fishing on wandering albatross populations

   Abstract:  An age-structured model of a wandering albatross Diomedea exulans population is ... investigate the potential impacts of new longline fisheries such as that for Patagonian toothfish Dissostichus ... time lag of 5-10 years before further decreases in population numbers are reflected in the breeding ... population. Also, because wandering albatrosses are long-lived, population growth rates take approximately 30 ...

   Meeting Document : WG-IMALF-94/08 : Автор(ы): Coleen L. Moloney, John Cooper, Peter G. Ryan and W. Roy Siegfried (South Africa)

10. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

    adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... is unable to achieve compatibility with survival rate data for the Antarctic fur seal coupled to an ... split of the overall density dependence effect between the first year and following sub-adult years of ... . This solution brings with it new problems, however, in that two further parameters need to be specified ...

    Meeting Document : WG-EMM-95/39 : Автор(ы): Butterworth, D.S., Thomson, R.B.

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