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1. REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009

   Abstract:  In January 2009 the UK undertook a bottom trawl survey of CCAMLR Sub-area 48.3 on the ... FV Sil. A total of 71 random and representative 30 min tows were made giving good geographic coverage ... . The estimated mean biomass of Mackerel icefish (Champsocephalus gunnari) calculated using 10 strata ... , updated sea-floor areas and adjusting for the low headline height of the trawl (see CCAMLR WG-FSA (2003 ...

   Meeting Document : WG-FSA-09/09 : Автор(ы): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)

2. Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season

   Abstract:  The principal results of the monitoring survey on marine debris carried out at Cape ... total of 4 251 articles with a total weight of 65.8 kg were obtained. As occurred in previous seasons ... fisheries were 1 195 articles (strapping bands and net pieces). The total density of marine debris collected ... buildt their nests. On the other hand, four specimens of Arctocephalus gazella were observed with neck ...

   Meeting Document : CCAMLR-XV/BG/27 : Автор(ы): Delegation of Chile

3. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

   of data collected on toothfish and the associated bycatch by all vessels participating in the fishery ... catch was the fourth highest on record with a total of 2666 t against a combined catch limit of 3207 t ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... -year experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ...

   Meeting Document : WG-FSA-08/22 : Автор(ы): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

4. The biology and ecology of mackerel icefish, Champsocephalus gunnari – an Antarctic fish species that lack haemoglobin

   Abstract:  The mackerel icefish (Champsocephalus gunnari) is a prominent member of the coastal ... fish fauna of the Seasonal Pack-ice Zone and the islands north of it. Separated into a number of stocks ... exploited since the beginning of the 1970's with reported annual catches exceeding 50- 100 000 tomes in ... some years. Champsocephalus gunnari has many characteristics typical of Antarctic fish species with ...

   Meeting Document : WG-FSA-96/24 : Автор(ы): Everson, I., Kock, K.-H.

5. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1994 winter and 1994/95 pup-rearing season

   Abstract:  Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... juveniles. Of entangled animals the proportion of males affected was 67%, approximately the same as in 1993 ... and 1991, but two-thirds of the value recorded in 1990 and 1992. The proportion of entangled animals ... bands and the incidence of net fragment debris was higher than 1993 (but similar to 1991) during the ...

   Meeting Document : SC-CAMLR-XIV/BG/08 : Автор(ы): Delegation of the United Kingdom

6. Bias in acoustic biomass estimates of Euphausia superba Dana to diel vertical migration

   Abstract:  The diel vertical migration of Antarctic krill (Euphausia superba) can greatly bias the ... results of qualitative and quantitative hydroacoustic surveys which are conducted with a down-looking ... sonar and independent of the time of day. To demonstrate and quantify these negative biases on both the ... estimates of biomass distribution and abundance, a time-depth-density analysis was performed. Data for this ...

   Meeting Document : WG-KRILL-93/48 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)

7. Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters

   Abstract:  Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in ... subjected to starch gel electrophoresis. sixteen putative enzyme-coding loci were examined, of which 7 were ... 1.15.1.1). Routine scoring of 358 fish at the 16 loci revealed below average levels of genetic variability ... , with the proportion of polymorphic loci, P = 0.175, mean heterozygosities per locus, HL = 0.058, and ...

   Meeting Document : WG-FSA-91/22 : Автор(ы): G.R. Carvalho and M. Warren (United Kingdom)

8. Diet and trophic niche of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   Abstract:  The diet of Antarctic silverfish (Pleuragramma antarcticum) was evaluated by examining ... stomach contents of specimens collected in the Ross Sea (71°–77°S, 165°E–180°) in January–March 2008 ... composition of carbon and nitrogen. According to index of relative importance (IRI), the most important prey ... items of silverfish were copepods (IRI 81% over all specimens), predominantly Metridia gerlachei and ...

   Meeting Document : WG-EMM-12/54 : Автор(ы): M.H. Pinkerton, J. Forman, S.J. Bury, J. Brown, P. Horn and R.L. O’Driscoll (New Zealand)

9. Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea

   Abstract:  Understanding the relative effects of biotic and abiotic drivers of survival, and the ... populations.  Body size, mass and condition may be important determinants of an organism’s ability to survive ... periods of low resource availiability or high metabolic demand.  Such effects may be particularly ... important for naïve juveniles when they first become independent of their parents and must learn to forage ...

   Meeting Document : WG-EMM-13/31 : Автор(ы): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)

10. Assessment models for Patagonian toothfish in research block 5843a_1 of Division 58.4.3a, Elan Bank

    Abstract:  I made two sensitive runs of CASAL catch at length models (LENGTH_MODEL) for stock ... status assessments of Dissostichus eleginoides in research block 5843a_1 in Division 58.4.3a for the ... comprised of two fisheries split by depths of 1 200 m as the model in WG-SAM-14/17.  Number of longlines was ... between the two models were set as follows: year class strength (YCS) was fixed; parameters of ALK were ...

    Meeting Document : WG-FSA-14/22 : Автор(ы): K. Taki (Japan)

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