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  1. TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS

    was composed by blue phase fingerlings of 7-7.6 cm (TL) and age group 0 year and demersal young brown ... constitute the rings, are illustrated/supported by photographs. A von Bertalanffy growth curve was computed ... by combining age/length data of the juvenile phase of N. rossii from this and a previous study at ...

    Meeting Document : WG-FSA-09/32 : Author(s): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)

  2. Water mass distribution and circulation west of the Antarctic peninsula and including Bransfield Strait

    patterns. Circumpolar Deep Water (CDW), which is characterized by temperatures above 1.0°C, salinities of ... by 25 to 45%, which suggests an average annual entrainment rate for the west Antarctic Peninsula of ... order of 0.63 m y-1, which can be supplied by local precipitation and advection of ice into the region ...

    Meeting Document : WG-EMM-95/67 : Author(s): Smith, D.A., Lascara, C.M., Klinck, J.M., Hofmann, E.E.

  3. Further calculations of the effects of krill fishing on predators

    Abstract:  Earlier initial modelling attempts by the authors are extended to consider the ... achieved by making the survival rates depend instead on krill "availability", where there is a ... provided by WG-CEMP members for the blackbrowed albatross and Antarctic fur seal. Attempts are made to ...

    Meeting Document : WG-Krill-94/24 : Author(s): D.S. Butterworth and R.B. Thomson (South Africa)

  4. Beach litter survey Signy Island, South Orkney Islands, 1992/93

    recovered fell by 80% and the number of items recovered by 83% over the three year survey period. At the ... same beach over the three years the numbers of polypropylene packaging bands fell by 93%. The results ...

    Meeting Document : CCAMLR-XII/BG/07 : Author(s): Delegation of United Kingdom

  5. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

    variations introduced by good and bad years (as classified on the basis of breeding success). There is ... major population changes (large decreases followed by substantial increases) occurred. Three of these ... immigration. Gentoo penguin population dynamics are disproportionately effected by the consequences of ...

    Meeting Document : WG-CEMP-93/08 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)

  6. Apparent decrease of Weddell seal numbers in the western Ross Sea

    Antarctic toothfish (Dissostichus mawsoni), a major prey, by a fishery operating full scale by 2003 ... from seals tracked by satellite indicate wider foraging range during winter than 20 years ago. A large ...

    Meeting Document : WG-EMM-14/44 : Author(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

  7. Estimates of global krill abundance based on recent acoustic density measurements and their implications for the calculation of precautionary catch limits and the designation of management areas

    differences between our estimates and others can be explained by a number of factors such as: an ... population, and the overestimation of the demand for krill by predators. Even if these low global krill ... the old target strength which has effectively underestimated the krill biomass by a factor of three so ...

    Meeting Document : WG-EMM-99/22 : Author(s): S. Nicol, A. Constable and T. Pauly (Australia)

  8. KRILL FISHERY BEHAVIOUR IN THE SOUTHWEST ATLANTIC

    Abstract:  10 years worth of recent finescale haul-by haul krill data were used to characterize ... . However, this pattern only holds for operations by Japan. Preferred level of catch by Japan derived ...

    Meeting Document : WG-EMM-08/39 : Author(s): S. Kawaguchi (Australia)

  9. Krill biomass and distribution in Subarea 48.2 during summer 1996

    characterized by relatively high accurancy (CV = 4.1 %). However, this estimate is likely to be biased towards ... underestimation which is explained by systematic error caused by krill abundance underestimation during night ...

    Meeting Document : WG-EMM-97/49 : Author(s): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.

  10. An assessment of the impact of krill fishery on penguins in the South Shetlands

    information on fishery, penguins and krill biomass. The catch is very low in December followed by roughly ... intensity to the shelf and slope of Livingston or Elephant Island. In contrast, the food consumption by ... -20 day), the present catch rate (≤10 x103t/10-day) is smaller by one or more orders of magnitude ...

    Meeting Document : WG-KRILL-93/07 : Author(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)

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