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1. Abundance and trends of Type B killer whales (Orcinus orca) around the western Antarctic Peninsula

   impact of these physical changes on the marine ecosystem. The WAP is surrounded by a complex marine food ... web involving a number of predator and prey populations, and empirical data on abundance and trends is ... ecotypes (Types B1, B2 and A). Here we report on the movement patterns and abundance of both forms of Type ... , B2 = 13,621 photographs) to estimate abundance in the coastal waters of the WAP during austral ...

   Meeting Document : WG-EMM-18/16 : Author(s): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

2. RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS

   Abstract:  Numbers of Crozet shags Phalacrocorax [atriceps] melanogenis breeding at Marion Island ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... influenced by food availability. Numbers of Crozet shags breeding at Prince Edward Island approximately ... doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ...

   Meeting Document : WG-EMM-10/P2 : Author(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold

3. Brief results of research fishing in Subarea 88.3 in the 2010/11 season

   . Total amount of set hooks is 87096. Research catching was carried out in SSRU B, C, and D. In SSRU A ... sets had not took place because of complicated ice conditions. The catch was totally analyzed for its ... fish food analysis). According to the catch’s length variation, 30 fishes of different length have been ... distribution and nutrition of toothfish in subarea 88.3.B-D were collected 240 otolithes for age identification ...

   Meeting Document : WG-SAM-11/09 : Author(s): Delegation of the Russian Federation

4. AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)

   commercial fishery in the Southern Ocean, yet many of their life history characteristics, including vital ... estimated ages, the radioactive disequilibrium of lead-210 and radium-226 in otolith cores was measured and ... to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ... estimation criteria and an annual periodicity of otolith growth zones. Von Bertalanffy growth function ...

   Meeting Document : WG-FSA-08/17 : Author(s): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)

5. Survey of Antarctic fur seals Arctocephalus gazella in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

   Abstract:  A survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... recolonization of rookery sites following 19th Century commercial exploitation. Twelve fur seal pupping sites ... were identified, some of which had not previously been reported. The largest pupping sites are at Telmo ... Island and Cape Shirreff, on the north coast of Livingston Island. Total fur seal pup production in the ...

   Meeting Document : SC-CAMLR-VI/BG/18 : Author(s): J.L. Bengtson, L.M. Ferm (USA), T.J. Härkönen (Sweden), E.G. Schaner and B.S. Stewart (USA)

6. Recent trends in numbers of Crozet shags breeding at the Prince Edward Islands

   Abstract:  Numbers of Crozet shags Phalacrocorax [atriceps] melanogenis breeding at Marion Island ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... influenced by food availability. Numbers of Crozet shags breeding at Prince Edward Island approximately ... doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ...

   Meeting Document : WG-EMM-10/P02 : Author(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold

7. 2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   Abstract:  The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and ... updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has ... % of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... prudent to restrict annual legal catches to 500 tonnes or less, unless a large proportion of the catch is ...

   Meeting Document : WG-FSA-06/58 : Author(s): A. Brandão and D.S. Butterworth (South Africa)

8. Results of the scientific research survey in CCAMLR Subarea 88.3 in the 2004/05 season

   are presented. While ice conditions prevented the successful completion of the full research plan as ... , icthyoplankton sampling, toothfish tagging and biological sampling of toothfish and other species completed. Pre ... -recruit D. mawsoni were caught at much greater depths than occurs in the other Subareas of Area 88. This ... surprising lack of biodiversity in the De Gerlache Seamount study area. While the results of this research ...

   Meeting Document : WG-FSA-05/53 : Author(s): G. Patchell (New Zealand)

9. Estimating penguin populations using image analysis of colour aerial photography

   Abstract:  Penguin populations are potentially sensitive indicators of change in the Antarctic and ... colonies, for colonies in areas of complex terrain, or for colonies where ground access is difficult ... of a computer based image analysis of digitally scanned colour aerial photographs of macaroni penguin ... :  Estimating penguin populations using image analysis of colour aerial photography Approval:  Approved ...

   Meeting Document : WG-EMM-02/34 Text : Author(s): P.N. Trathan (United Kingdom)

10. Preliminary analysis of seabird by-catch in the South Georgia icefish fishery

    Abstract:  We conducted a preliminary analysis on the numbers of birds caught as a bycatch in the ... 92 birds were caught, principally black-browed albatross and white-chinned petrel, with 93% of the ... factors affecting the probability of a haul catching birds, but no significant factors were found that ... could explain the number of birds caught. Differences in the numbers caught in the last three years also ...

    Meeting Document : WG-FSA-01/30 : Author(s): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)

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