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1. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   1 and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm whales have ... to 20%. Sperm whales have been more frequently encountered in recent years, occurring in larger pod ... on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod sizes normally of 4 to 10 animals ... been more frequently encountered in recent years, occurring in larger pod sizes, whereas killer whale ... (a ) C or re ct ed ca tc h (t on ne s) , 2- st ag e m od el (b ) 20 03 ... 2), and the number of cetaceans observed (Table 1) it is possible to estimate the aver- age consumption per animal ... by calculating number of remains or dam- aged fish as a percentage of the total fish caught in a given fishery ... n fa ct or (s in gl e- st ag e m od el ) C or re ct io n fa ct or (2 -s ta ge ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew

2. An impact assessment framework for bottom fishing methods in the CAMLR Convention Area

   the ‘likelihood-consequence’ approach, most appropriately addresses the need to man- age risks arising from rare ... of ongoing activities such as fishing (where ‘impact’ refers to actual dam- age and ‘risk’ refers ... °E 160° E 170°E 180° 170°W 160°W 150 80° S 75° S 70° S 65° S 60° S 600-1800 200-600 60-200 20 ... of a the local benthic community over years, and ‘negligible’ at the scale of the entire ecosystem over decades ... Paper Title:  An impact assessment framework for bottom fishing methods in the CAMLR Convention ... preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline fishery. This paper ... illustrates the utility of the standardised approach and provides a methodological template for systematic ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Author(s): Sharp, B.R., S.J. Parker and N. Smith

3. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   pente du plateau vers la fin des annees 80 et du plateau vers l'exterieur du plateau dans les annees 90 ... p6che commerciales etaient concentrees sur le plateau exterieur au debut des annees 80, le long de la ... desde la costa hasta la periferia de la plataforma durante la decada del 90. Cada allo 10s arrastres se ... No data 1986/87 No data No data 1987/88 1.2 27.6 1988/89 200.0 79.8 1989/90 3 489.0 15.4 46.7 1990/91 ... effect on trawling positions. Ice conditions for recent fishing periods were also demonstrated to have an ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... quality, such as salp abundance and the proportion of green krill, also seemed to have an increasing ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Author(s): Kawaguchi, S. and K. Segawa

4. Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

   for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was estimated ... was calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption ... consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million tonnes ... in the Sodruzhestva and Kosmonavtov Seas over many years by the YugNIRO institute. Data obtained from trawl ... . V sb.: Biologicheskiye resursy Arktiki i Antarktiki -Moscow. Nauka: 296-320. SIEGEL, v. 1987. Age ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... aguas entre 30 y 80°B. Solamente se calcul6 el consumo de krill durante el verano (diciembre a abril ... , Hobart, Australia. 312 Table 1: Area of depth strata between 30° and 80° and the number of hauls ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Author(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk

5. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... numbers of chicks reaching fledging age Breeding success of predators such as seabirds (Crawford ... ) to determine annual growth curves. Chicks of known age were chosen at random and weighed to the nearest 25 ... loosened for flipper growth. Individuals were weighed on a five-day basis until the age of about 50 days ... but the number of chicks produced that reached cr6che age and ultimately fledged was low. 15 foraging trips ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Author(s): Irvine, L.G., J.R. Clarke and K.R. Kerry

6. On assessment of Bertalanffy growth equation parameters and instantaneous natural mortality rate of South Georgia mackerel icefish

   of extensive published and unpublished data on size-weight and size-age composition of South Georgia mackerel ... An analysis and summary of extensive published and unpublished data on size-weight and size-age ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 29–36 : Author(s): Frolkina, Zh.A. and R.S. Dorovskikh

7. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   sexual maturity is reached at shorter length in M. caml than M. whitsoni but at a similar age (50% sexual ... is reached at shorter length in M. caml than M. whitsoni but at a similar age (50% sexual maturity ... ., 2008a, 2008b), morphology, age, growth, staging (Marriott et al., 2003, 2006), diet and trophic ... is reached at shorter length in M. caml than M. whitsoni but at a similar age (50% sexual maturity at 16 ... ) develop length– weight relationships; (iv) estimate age and growth; (v) stage gonads; and (vi) describe ... difference 169 m in this study) so this is only indicative of depth of capture. Age and growth Otoliths ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Author(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

8. Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999

   Shetlands area. This distribution (in accordance with criteria for age estimation by Martin et al. (1997 ... ) and Watkins (1999)) indicates a multi-generation struc- ture of the stocks (2+, 3+ and 4+ age groups ... ) in the Elephant Island area. In the South Georgia area there were two age groups (2+ and 3+), and in the South ... Shetlands area only the 3+ age group predominated. The signifi cant number of krill from the 2+ age group ... shorter, therefore it must be assumed that there are factors other than daylight which have an impact on ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Author(s): Jackowski, E

9. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

   from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years ... compositions obtained in the 1980s. The Antarctic Peninsula region was closed for finfishing from 1989/90 ... /89, with most of the commercial harvesting taking place in the first two years of the fishery ... compositions obtained in the 1980s. The Antarctic Peninsula region was closed for finfishing from 1989/90 ... cm long (Figure 3 ) and up to 15 age classes were present in the stock (Kock, 1991 -Figure 30 ... 5 and 6 were the predominant age classes in the stock (Kock, 1991 - Figure 30). After this, the proportion ... in 1981, and fish larger than 45 cm had almost disappeared from the stock (Figure 3 ) . Age classes ... ; fish from this year class were 20 to 25 cm long in January/February 1976 and 30 to 37 cm in January ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H

10. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

    Paper Title:  Fitting Euphausia superba into Southern Ocean food-web models: a review of data ... Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources ... the 80–150°E (Indian) sector there is a positive rela- tionship between krill abundance and the aver- age ... and numerical models involving krill. For example, for- aging near ice floes, in deep water or at the seabed ... accumulation during the winter. This induces strong recruitment of the 1+ age group in the southern part ... . For example, the standard Jolly and Hampton (1990) method has been in use for 20 years but there have been ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

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