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1. Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

   Abstract:  The stock of Antarctic toothfish (D. mawsoni) in CCAMLR Subarea 48.4 is estimated from ... tagging returns to be 979.3 tonnes in 2017. Applying the CCAMLR agreed precautionary assumption of average ... biomass across the time series and harvest rate of γ = 0.038, implies a 2017/18 yield of 37 tonnes ... compared to the 2016/17 catch limit of 38 tonnes. Author(s):  N.D. Walker and T. Earl Title:  Preliminary ...

   Meeting Document : WG-FSA-17/49 : Автор(ы): N.D. Walker and T. Earl

2. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2006/07

   study undertaken at Bird Island, South Georgia in 2006/07. Author(s):  Delegation of the United Kingdom ... Abstract:  The results of the eleventh annual survey of entanglement of Antarctic fur seals at ... Signy Island, South Orkney Islands are reported for the 2006/2007 summer season. There was 1 sighting of ... Title:  Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island ...

   Meeting Document : SC-CAMLR-XXVI/BG/20 : Автор(ы): Delegation of the United Kingdom

3. Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995

   Wshag in April reduced the mean length in the catch and increased CPUE (numbers of fish per hook ... seen at NWSG, although the sex ratio did change in favour of males (60% male by early May). The changes ... ), although sex ratio remained biassed in favour of females. Similar changes in mean length and CPUE were not ... in 1994/95 took place in two major fishing grounds, West of Shag Rocks (Wshag) and North-West of ...

   Meeting Document : WG-FSA-95/27 Rev. 1 : Автор(ы): Agnew, D.J.

4. Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass

   are to be conducted. In addition, the implications of temperature variation across a survey area for ... of factors including, fundamentally, accurate echo-sounder calibration. The Simrad EK500 scientific ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ... calibration parameters were to be employed on survey around South Georgia, and no account were taken of the ...

   Meeting Document : WG-EMM-97/52 : Автор(ы): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.

5. Preliminary Results of a Bottom Trawl Survey Around Elephant Island in October and December 1987

   proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... Abstract:  A total of 40 bottom trawl hauls was carried out fromboard RV "Polarstern" in ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... shelf areas of the Peninsula region. Author(s):  K.-H. Kock (FRG) Title:  Preliminary Results of a ...

   Meeting Document : WG-FSA-88/31 : Автор(ы): K.-H. Kock (FRG)

6. Summary of notifications for krill fisheries in 2016/17

   Abstract:  Six Members notified a total of 18 vessels for krill fisheries in 2016/17 in Subareas ... on the CCAMLR website and the notified information on the fishing operation and gear is summarised in ... this paper. Participating Members are thanked for providing feedback and assistance in developing the ... new online notification system. Author(s):  CCAMLR Secretariat Title:  Summary of notifications for ...

   Meeting Document : WG-EMM-16/72 Rev. 1 : Автор(ы): CCAMLR Secretariat

7. PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3

   Abstract:  1. 2009 data have been incorporated in to the catch-at-age based CASAL model for ... toothfish in Subarea 48.3. 2. Fits to the survey data are good for the early 2000s, particularly 2004 to ... 2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ... ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3 Approval:  Approved ...

   Meeting Document : WG-FSA-09/28 Rev. 1 : Автор(ы): D.J. Agnew and T. Peatman (United Kingdom)

8. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv

   fishing season for Champsocephalus gunnari in CCAMLR sub area 48.3. The model is initialised using ... of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ... Abstract:  A length-based projection model is used to estimate catch limits for the 2011/12 ... estimated numbers at length derived from survey length density and biomass density data, removing the need ...

   Meeting Document : WG-FSA-11/30 Rev. 1 : Автор(ы): R.E. Mitchell and S.M. Martin (United Kingdom)

9. Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies

   2014/15. Using photo-identification methods, we identified 352 individual RSKWs in the Sound and up to ... toothfish (Dissostichus mawsoni) may have led to a marked decline RSKW numbers in the southwestern Ross Sea ... , our analysis suggests that at least the resident killer whale population in McMurdo Sound is stable ... with the average annual estimated number of deaths (= 2.4, 95% probability = 1.2-4) being balanced by ...

   Meeting Document : WG-EMM-16/50 : Автор(ы): R. Pitman, H. Fearnbach and J.W. Durban

10. Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part II: Spatial movement and analysis

    procedure, Patagonian toothfish biology, growth and local movement of Patagonian toothfish in 48.3 ... (presented in WG-SAM-14/35), it describes the spatial movements and regional connectivity in Subarea 48.3 ... . The characterisation of tag recapture data from Subarea 48.3 shows that the tagging programme is ... successful in providing substantial information for the stock assessment and that it can give a first ...

    Meeting Document : WG-FSA-14/49 : Автор(ы): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)

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