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1. DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT

   biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence of ... assist in assessing which data from a trip should be used in an assessment, and can also guide how these ... is fitted in an assessment model.The data quality measures illustrate sometimes substantial variation ... in the quality of particular data sets from different trips in the Ross Sea Antarctic toothfish ...

   Meeting Document : WG-SAM-08/13 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)

2. Estimating density and biomass of Antarctic krill (Euphausia superba) around South Shetland using the 2-dB difference method

   estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... 2016 and 38 and 200 kHz from March 6 to 14 and 38 and 120 kHz on April 27 and May 5 in 2017. Krill were ... collected by the commercial middle trawl fishing vessel. The data were processed and analyzed following ... and 83 thousand tonnes (CV=31.4%) applying S v difference-3.0-13.8 dB in 2017, respectively. Krill ...

   Meeting Document : SG-ASAM-18/08 : Autor(es): S. Choi, K. Lee and D. An

3. Analysis of trawl data from the South Georgia krill fishery

   Abstract:  Data from individual trawls carried out by vessels operating in the krill fishery at ... focussed, operating in a limited area along the shelf edge on the northern coast of the island. Each day a ... large number of trawls were undertaken by each,vessel, with trawls being shorter in duration during the ... middle of the day. Daytime trawls were also generally deeper and produced a larger catch. Individual ...

   Meeting Document : WG-EMM-97/41 : Autor(es): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.

4. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004

   examine trends in penguin populations, as well as inter-annual variation in reproductive parameters ... decline over the past five years, and is at its lowest size in the past seven years of study. While the ... gentoo breeding population increased slightly from last year, it is at its second lowest size in the past ... seven years. Chinstrap fledging success was higher during the 2003-04 breeding season than in the ...

   Meeting Document : WG-EMM-04/5 : Autor(es): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)

5. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at Heard Island

   Heard Island fed mainly on fish with an average 95.2% of scats in monthly collections containing fish ... summer season and again at the end when there was an influx of non-breeding male seals. During the middle ... and skate (Bathyraja sp.), the latter being found in over 60%-of scats in October and November. The ... . There the increase is thought to be due to the high availability of krill E. superba, but, in the ...

   Meeting Document : SC-CAMLR-VIII/BG/53 : Autor(es): Delegation of Australia

6. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia

   Euphausia superba was the main prey item, occurring in 88% of all scats (n=497), whereas fish occurred in 47 ... % and squid in 5%. There was considerable intra and inter-annual variation in the characteristics of ... selecting particular sizes of krill and, therefore, that the krill in the diet reflects the krill available ... around South Georgia. The absence of group 3 krill (44-48 mm in length) in the South Georgia area, as ...

   Meeting Document : WG-EMM-95/28 : Autor(es): Arnould, J.P.Y., Reid, K.

7. Impact of marine mammals on longline fishery around Kerguelen Islands (Division 58.5.1) during 1995/96 cruise

   eleginoides in the west of Kerguelen islands during 1995- 96 cruise, and marine mammals occured with Kerguelen ... occured, but 2.2 % were lost alongside the vessel. Author(s):  Capdeville, D. Title:  Impact of marine ...

   Meeting Document : WG-FSA-96/12 : Autor(es): Capdeville, D.

8. Krill biomass estimates for South Georgia, December and January 1996/97

   eastern and western survey boxes were 36.1 mm and 45.4 mm respectively. These lengths were used to derive ... (18.44) for the eastern and western boxes respectively. These mean density values were similar to those ... obtained during the n10st recent previous surveys of krill biomass (January 1996) in these areas, but ... substantially higher than estimates derived from surveys there in January 1994. Author(s):  Goss, C., Watkins ...

   Meeting Document : WG-EMM-97/48 : Autor(es): Goss, C., Watkins, J.L., Brierley, A.S.

9. Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   Ross Sea is a low primary production system, with production being localised in space and time. In the ... relative absence of krill, Antarctic silverfish (Pleuragramma antarctica) are probably the major middle ... considered a work in progress. Overall, the model is close to balance, with total exports of organic carbon ... balanced, due in part to limited information on diet fractions of Ross Sea organisms. Methods to adjust ...

   Meeting Document : WG-EMM-06/14 : Autor(es): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)

10. On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)

    substantial variations in middle size fry of both species were found at different depth levels during 24-hour ... Abstract:  The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... was the most distinctive in Ch.gunnari fry. The individuals used to ascend towards the water column ... individuals were found in the pre-bottom layer by day, being presented their small quantities in the water ...

    Meeting Document : WG-FSA-99/64 : Autor(es): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)

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