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1. Age-structured production model for toothfish at South Georgia

   was fitted for all years, the change to the new selectivity function improved the fit to length ... , by allowing all parameters to be estimated in this way the model is over-parameterised and regularly ... high weight in the fitting, then the model has sufficient flexibility to change the selectivity to fit ... frequency data achieved last year, but the fit was still poor. The fit to the CPUE was also poor. With ...

   Meeting Document : WG-FSA-SAM-05/18 : Автор(ы): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)

2. A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)

   the design is carried out in a simulation environment using the program Fish Heaven with data analysis ... . For a series of 10 years of survey, age 4 recruitment was estimated using 111 RSTS stations, assuming ... the age of every fish caught in the surveys is known without error and assuming knife-edge fishing ...

   Meeting Document : WG-FSA-04/74 : Автор(ы): S.G. Candy, C.R. Davies and A.J. Constable (Australia)

3. Preliminary assessment of the South Georgia toothfish stock, 2007

   estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... ) estimating a length-based ogive for tag-induced mortality, based on our 2005 survivorship experiment, in ... precaution previously included in assessments. We would recommend that only small changes to the current TAC ... higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a ...

   Meeting Document : WG-FSA-07/29 : Автор(ы): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)

4. Development of the VME registry

   would be required in subsequent years to maintain the registry and implement transition to future ... associated features. In this proposal, summary information on VMEs and VME risk areas and fine-scale ... budget implications will be forwarded to the Scientific Commission and Commission for consideration in ...

   Meeting Document : WG-FSA-10/07 : Автор(ы): Secretariat

5. Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)

   was necessary as a first look at lead-radium levels. The application was successful as a first step in ... determining the parameters of future applications that would lead to a validation of age. In the current study ... few years of growth) is possible for these species, provided there is enough sample mass and perhaps ... arbitrary target core weight of 0.01 g, near the low end of the range used in this study. It is recommended ...

   Meeting Document : WG-FSA-10/17 : Автор(ы): A.H. Andrews, M. La Mesa and J. Ashford (USA)

6. Infectious diseases of Antarctic penguins: current status and future threats

   occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... increase over the last 50 years.  However, issues of data not being published and a lack of formal risk ... valuable as indicators of the status of marine ecosystem health and are an indicator-species used in the ...

   Meeting Document : WG-EMM-14/53 : Автор(ы): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

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

   whales had a higher re-identification rate (61% photographed in more than one year) within a highly ... (Orcinus orca), represented in this area by three phenotypically, genetically and culturally distinct ... = 20 d; B2: n = 22 tags, median duration = 66 d) and photo-identifications (6 y; B1 = 8,925 photographs ... , B2 = 13,621 photographs) to estimate abundance in the coastal waters of the WAP during austral ...

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

8. Diets of Antarctic toothfish estimated from fatty acids and stable isotopes

   Antarctic toothfish, by-catch and their stomach contents were collected for the past five years in the eight ... locations of he Antarctic Waters. We investigated ontogenetic and spatial variability in resource ... utilization of Antarctic toothfish and distribution patterns of FA profiles in various organisms because of ... the particular importance of accumulation of lipid deposits in their tissue. Toothfish trophic niche ...

   Meeting Document : WG-FSA-17/12 : Автор(ы): C.-K. Kang, S.-G. Choi, J. Lee, J. Lee and D. An

9. INTERANNUAL SPATIAL VARIABILITY OF KRILL (EUPHAUSIA SUPERBA) INFLUENCES SEABIRD FORAGING BEHAVIOR NEAR ELEPHANT ISLAND, ANTARCTICA

   foraging distributions of seabirds to understand how variation in krill influences patch dynamics between ... krill and birds. At sea surveys were conducted near Elephant Island, Antarctica for three years (2004 ...

   Meeting Document : WG-EMM-08/P12 : Автор(ы): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit

10. Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica

    carrion. We estimated skua abundance at Adélie penguin colonies on Ross Island in two consecutive years ... Abstract:  Top predators are useful ecological indicators of changes in marine prey stocks and ... other ecosystem drivers. In the Ross Sea region, most south polar skuas (Catharacta maccormicki) nest ... areas of varying size within the three main Ross Island colonies. We considered skua populations in ice ...

    Meeting Document : WG-EMM-14/55 : Автор(ы): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)

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