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1. Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects

   at 0.3 m/s to 15 m depth. Sink rates can be achieved by adding external weights to lines or by using ... lines with weigh integrated into the rope fibres. The sink rates to 15 m depth of 9 mm demersal ... 0.353 m/s, respectively. The longline with externally attached weights sank at 0.32 m/s. IW longlines ... . Catch rates of ling varied with line weight but results are indeterminant due to the small sample sizes ...

   Meeting Document : WG-FSA-02/22 : Author(s): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)

2. Using preferred habitat models for chinstrap penguins (Pygoscelis antarctica) to help improve krill fisheries management during the penguin breeding season

   planning. Using habitat models to understand which variables influence the distribution of predators at-sea ... can enable us to predict the distributions of un-tracked populations, and thus help to identify any ... impact penguin populations. We show that the distribution of chinstrap penguins can be predicted using ... two simple variables; the distance to the colony and a measure of the direction of travel towards the ...

   Meeting Document : WG-EMM-17/33 : Author(s): V. Warwick-Evans, N. Ratcliffe, H.L. Clewlow, L. Ireland, A. Lowther, F. Manco and P.N. Trathan

3. Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area

   annual catches were from 0.5 to 3.1 x 103 tonnes. Mean length of fish taken at 300- 500 m depth was 58.1 ... cm, mean age was 5.8 years. Mean length of fish taken at 540- 600 m depth was 85.8, mean age was 9.7 ... Abstract:  Results of length-age composition studies of the Patagonian toothfish, Dissostichus ... eleginoides, from various fishing grounds of the shelf and continental slope areas of the Kerguelen Islands ...

   Meeting Document : WG-FSA-92/08 : Author(s): V.G. Prutko and V.N. Chikov (Ukraine)

4. Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands

   Abstract:  Samples of Chaenocephalus aceratus were collected during a trawl survey carried out ... observed in other recent surveys within the same area, C. aceratus represented one of the predominant ... along their sagittal plane. To estimate the precision of age data, we compared blind readings by readers ... Bertalanffy growth curves were fitted to the estimated age-length data for each sex. The estimated values of ...

   Meeting Document : WG-FSA-02/77 : Author(s): M. La Mesa, J. Ashford, E. Larson and M. Vacchi

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

   conducted which looked at the behaviour of cetaceans around fishing vessels in the area. To aid ... Abstract:  Observer data collected on longliners between 2003 and 2009 was analysed to look at the ... levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocaphalus ... ) around South Georgia. Since 2003 cetaceans have been observed on 3000 out of 14644 observed lines (20.5 ...

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

6. UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   relationships differ significantly. Better estimates of median length at maturity were made possible through a ... Abstract:  Photographs of skates taken by observers on New Zealand toothfish longliners in the ... Ross Sea were identified to species. Sample sizes were small, but indicated a ratio of 10.75:1 of ... of tagged skates. Biological parameters were reviewed and updated for Amblyraja georgiana. Revised ...

   Meeting Document : WG-FSA-08/20 : Author(s): M.P. Francis and S. Mormede (New Zealand)

7. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   Abstract:  A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... still only available for about half of the non-New Zealand vessels for 2003-04. A reported total of 10 ... . About 17% of the recaptures could not be matched to a release observation, mainly because of missing ...

   Meeting Document : WG-FSA-06/34 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)

8. Measurement of ocean temperatures using instruments carried by Antarctic fur seals

   . Congruence was found at horizontal spatial scales from 0.01° X 0.01° to 0.5° X 0.5° (degrees of latitude and ... longitude), and at a vertical scale of 10 m. However, there was no significant correlation between ... Abstract:  The study aimed to test the utility of instruments deployed on marine mammals for ... recorders (TDRs) fitted to lactating Antarctic fur seals foraging from the coast of South Georgia ...

   Meeting Document : WG-EMM-01/56 : Author(s): I.L. Boyd, E.J. Hawker, M.A. Brandon and I.J. Staniland (United Kingdom)

9. Possible options for the future management of the Antarctic krill fishery in Subarea 48.2

   . The proposed framework includes the use of CEMP sites, remote cameras at important land-based predator ... breeding colonies, at-sea observations of predators, oceanographic moorings with acoustic sensors, acoustic ... that might facilitate the development of new management procedures for the krill fishery in Area 48. In ... 2014, the state of ecological knowledge for Subarea 48.2 was reviewed, and it was suggested that the ...

   Meeting Document : WG-EMM-15/10 : Author(s): P.N. Trathan (United Kingdom), O.R. Godø (Norway) and S.L. Hill (United Kingdom)

10. Hydrographic conditions in the Elephant Island plateau region during December 1996

    the distribution of biotic, and abiotic parameters. Analysis of time series data at a station site to ... the north of Elephant Island, point at slow seasonal oscillations of the water mass boundary between ... collected by German research vessels in this region. By means of a new interactive software water mass ... boundaries are outlined which reveal the approximate location of the Weddell-Scotia Confluence. Vertical ...

    Meeting Document : WG-EMM-97/06 : Author(s): Stein, M.

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