Resultados de la búsqueda
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An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002
years and indications that ice cover in the winter of 2002 is seasonally early and extensive. Author(s ... fit to the biomass density time series is dominated by an 8-year cycle and predicts an increase in ... ): R.P. Hewitt, D.A. Demer and J.H. Emery (USA) Title: An 8-year cycle in krill biomass density inferred ...
Meeting Document : WG-EMM-03/6 : Autor(es): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
of recruitment being increased for some recent years. An assessment of the trend in illegal catches ... spawning biomass, fishing mortality and recruitments arising from this assessment are presented. Author(s ... results for 2001. The pooled length-density distribution for the 2002 survey shows that the younger year ... classes (ages 2 and 3) are likely to be much weaker than the current juvenile year classes (ages 4 to 8 ...
Meeting Document : WG-FSA-02/70 : Autor(es): A.J. Constable, R. Williams and T. Lamb (Australia)
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Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data
over 11 years on this stock with other surveys including part of this stock. This paper describes the ... variation in distribution. Author(s): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk ... . An approach is proposed to estimate age selectivity to the trawl fishery in the region. In conclusion ...
Meeting Document : WG-FSA-01/73 : Autor(es): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
bands at Bird Island was higher than in recent years and there was a decrease in the incidence of net ... , and comply with, regulations prohibiting the disposal of debris in the southern ocean. Author(s ... year. The prolonged presence of sea ice around the South Orkney Islands probably accounted for the low ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Autor(es): Delegation of the United Kingdom
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Seabird mortality in the Japanese tuna longline fishery around Australia, 1988–1995
) by Japanese longline vessels targeting tuna. In recent years the estimated rate of seabird bycatch in ... were not consistent between fishing grounds or seasons. Author(s): N. Brothers, R. Gales and T. Reid ... Abstract: Large numbers of seabirds are killed each year within the Australian Fishing Zone (AFZ ... per year. These estimates are absolute minima because not all birds killed remain on hooks to be ...
Meeting Document : WG-FSA-98/31 : Autor(es): N. Brothers, R. Gales and T. Reid (Australia)
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
some years; 6. Analysis of tagging and biometric data suggests that D. eleginoides at 48.4 have similar ... yield calculated according to CCAMLR decision rules is 47 tonnes. Author(s): J. Roberts and D.J. Agnew ... DATA FROM A FOUR-YEAR TAGGING EXPERIMENT Approval: Approved ...
Meeting Document : WG-FSA-09/17 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
°C over the next 100 years could lead to more than a 95% reduction in the biomass and abundance of ... krill across the Scotia Sea by the end of the century. Author(s): E.J. Murphy, P.N. Trathan, J.L ... than 1 year), where ENSO and Southern Annular Mode-related atmospheric processes have a direct ...
Meeting Document : WG-EMM-08/P02 : Autor(es): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
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A proposal for a CCAMLR vessel monitoring system
operational, would take approximately from 1.5 to 2 years Author(s): Secretariat Title: A proposal for a ...
Meeting Document : CCAMLR-XIV/14 : Autor(es): Secretariat
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Variation in reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implications for southern ocean monitoring studies
. Detailed comparisons between normal and abnormal years are made of a range of parameters of albatross ... harvesting. Author(s): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom) Title ...
Meeting Document : SC-CAMLR-VI/BG/15 : Autor(es): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)
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Development of the VME registry
would be required in subsequent years to maintain the registry and implement transition to future ... , and review and approve the work plan and budget, as appropriate. Author(s): Secretariat Title ...
Meeting Document : WG-FSA-10/07 : Autor(es): Secretariat