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1. 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 : Autor(es): A.H. Andrews, M. La Mesa and J. Ashford (USA)

2. 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 : Autor(es): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

3. 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 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

4. 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 : Autor(es): C.-K. Kang, S.-G. Choi, J. Lee, J. Lee and D. An

5. 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 : Autor(es): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit

6. 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 : Autor(es): 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)

7. Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal

   including one individual in two separate years.  Whilst the sample size is small the results represent an ... advance in our limited knowledge of leopard seals. We show the longest periods of tracking of leopard ... island of South Georgia. It appears that these tracked animals migrate in a directed manner towards Bird ... , similar to those observed in other predators in the region including the krill fishery. Analysis of ...

   Meeting Document : WG-EMM-18/P09 : Autor(es): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada

8. DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES

   both in season and between years. Hydrophones deployed on longlines recorded both vocalisations of ... conducted which looked at the behaviour of cetaceans around fishing vessels in the area. To aid ... examined and varied from 0.9% to 5.8% of the TAC per year over the time period. Additional work was also ...

   Meeting Document : WG-FSA-09/16 : Autor(es): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)

9. Longline sink rates of an autoline vessel, and notes on seabird interactions

   . Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ... , direct observations at sea indicated that weights did have an effect on line sink for 20–40 m either side ... observed interacting with the vessel. The seabird community constantly changed in size, species composition ...

   Meeting Document : WG-FSA-01/44 : Autor(es): N.W.McL. Smith (New Zealand)

10. Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?

    Abstract:  In subarea 48.3 mackerel icefish (Champsocephalus gunnari) are currently assessed by a ... the icefish biomass is in midwater and therefore missed by the bottom trawl survey. In January 2004, a ... short acoustic survey on FPRV Dorada showed that mackerel icefish, of all age classes, spend time in ...

    Meeting Document : WG-FSA-SAM-04/20 : Autor(es): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.

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