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1. Relative abundance of large whales around South Georgia

   species were rare, with southern right whale sightings being the most common event. Two right whales ... particular feeding ground is the most likely reason for ongoing low numbers of all species. Other factors may ... include: competition for krill by traditional predators such as penguins and seals and more recently by ... humans, an unusually high rate of natural mortality, habitat change such as alteration in sea ice ...

   Meeting Document : WG-EMM-99/34 : Autor(es): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)

2. A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters

   binarized images of left and right otoliths for fish ranging from 20 to 67 cm TL. To test for significant ... ), shape indices (SI; circularity, squareness and roundness) and elliptical Fourier Descriptors (EFD) on 2D ... from the 20 harmonics analyzed were homoscedastic and normal, and showed very low level of correlation ... in the contour between both otolith pairs for each species (p<0.001). Similarly, EFS coefficients ...

   Meeting Document : WG-FSA-18/47 : Autor(es): G. Plaza, C. Rodríguez-Valentino and P.M. Arana

3. Biomass results from the International Synoptic Krill Survey in Area 48, 2019

   ), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ... survey standing stock estimates. Krill areal density for the CCAMLR 2000 strata was 35.2 gm-2, producing ... a standing stock estimate of 72 mt with a sampling CV of 13%. For the AMLR strata the density was ... to convert acoustic backscatter into krill density has a significant effect on these estimates and ...

   Meeting Document : SG-ASAM-2019/08 Rev. 1 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox

4. CEMP cameras data validation experiment at the Galindez Island gentoo penguins (Pygoscelis papua) colonies

   Abstract:  We inform on the results of data validation experiment provided for pictures from time ... the 2017-2018 season biologists winterers at Vernadsky station, situated at Galindez Island, provided ... Delegation responsibility for releasing documents:  Ukraine ...

   Meeting Document : WG-EMM-18/26 : Autor(es): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy and L. Pshenichnov

5. Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia

   2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ... (Euphausia superba) was the main prey in 17 out of 22 years. Amphipods (Themisto gaudichaudii) were the main ... gross energy content of individual meals was often above average in years when the diets contained fewer ... euphausiids, but fledging mass was always below average in these years. Although macaroni penguins are able to ...

   Meeting Document : WG-EMM-12/17 : Autor(es): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)

6. The orderly development of the krill fishery

   Abstract:  During deliberations at CCAMLR XXV on revising the precautionary catch limit for krill ... in Statistical Division 58.4.2 Australia noted that while the scientific data supported an increase ... established to minimise localised impacts on krill predators prior to a threshold being reached. o A threshold ... capacity be established for the fishery relative to the catch limits (small or large scale spatial limits ...

   Meeting Document : CCAMLR-XXVI/30 : Autor(es): Delegation of Australia

7. Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)

   monitoring, and the calculation of closure dates, for the 2018/19 season in the Ross Sea: The Secretariat ... the current fishing season, calculations will be made on historical catch data for the vessels that ... Abstract:  In 2017 the fishery in the Northern Area of the Ross Sea Area 88.1 was opened for one ... day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ...

   Meeting Document : WG-FSA-18/07 : Autor(es): CCAMLR Secretariat

8. Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)

   Abstract:  In the present study we provide new insights on the spatial distribution and population ... structure of juvenile D. mawsoni caught during bottom trawl survey on the shelves around the South Shetland ... to 2007. Juveniles were relatively evenly distributed on the shelves around Elephant Island and ... factor. Based on counts of annual growth increments from sagittal otolith sections, age estimates ranged ...

   Meeting Document : WG-FSA-18/45 : Autor(es): M. La Mesa, E. Riginella and C.D. Jones

9. THE AUSTRALIAN SKATE TAGGING PROGRAM AT HEARD ISLAND AND MCDONALD ISLANDS, CCAMLR DIVISION 58.5.2

   majority had been at liberty for several years. In order to enhance the ease of identification of skates ... last eight years with nearly 6,000 skates tagged. The recapture rate has been low, less than one ... and to ensure good quality of the data, one page identification sheets were developed for each species ... which will be used by observers on board fishing vessels. Author(s):  G.B. Nowara and T. Lamb (Australia ...

   Meeting Document : WG-FSA-08/55 : Autor(es): G.B. Nowara and T. Lamb (Australia)

10. Extending the time series of catch-weighted length frequencies

    use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... extended the existing time series of catch-weighted length frequencies for D. eleginoides in Subarea 48.3 ... by nine (9) seasons. In all, data are now available for 21 seasons from 1984/85 to 2004/05. New data ... an overlap of seasons. However there is a systematic difference in the overall number of fish ...

    Meeting Document : WG-FSA-SAM-06/04 : Autor(es): David Ramm & Lydia Millar

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