Résultats de la recherche
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...
Meeting Document : WG-FSA-12/20 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
able to narrow the estimates of production from 75- 1 350 million tonnes per year (a factor of 20) to ... conducted regularly in some areas for nearly 20 years, and there is now a good appreciation of the range ... abundance has been subject to considerable research over the last 20 years (Greene et al., 1998), and it ... -134.5 42.6 19.6 8 3 6 2 7 131 Time of Year February-March (1996) January-February (1981 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Auteur(s): Nicol, S., A.J. Constable and T. Pauly
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e-sc-xiii-a7.pdf
... addressed. Unfortunately, although there are sufficient years (up to 20) of predator data to contribute to ... the percentage of the krill catch taken after March in Subarea 48.1 over a 10-year period. This was ... larger scales, the group encouraged continuation of modelling studies such as WG-CEMP- 94/10 and 30 which ... strategies on the krill fishery in Subarea 48.1. This model was presented last year as WG-Krill-93/14. As
application/pdf attached to:WG-Joint-94
Meeting Report : WG-Joint-94
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Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region
to be developed to assess the ASR for 2018, as recommended by Scientific Committee in 2016. Author(s ... next few years to predict progress towards a robust assessment model using the two-area model. The ...
Meeting Document : WG-SAM-17/40 : Auteur(s): S. Mormede and S. Parker
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ... conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ...
Meeting Document : WG-EMM-16/21 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba
animal has little effect upon length-weight relationships. The use of categories of sex and maturity ... prediction. Surprisingly, the stage of the moult cycle of the animal has little effect upon length-weight ... Universitat Kiel, Dusternbrooker Weg 20, 2300 Kiel, Federal Republic of Germany. Les relations publiees des ... prediccion. Sorpendentemente, la etapa del ciclo de muda del animal tiene poco efecto sobre las ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Auteur(s): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle
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NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA
conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ...
Meeting Document : WG-EMM-11/32 : Auteur(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)
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Distribution of the Soviet fishing fleet and catches (CPUE) in Subdivision 48.3 during 1986–1990
boundary between them located at 37-37 30’ W have been distinguished. These fishing grounds are formed ... - from August to September (in some years from June to September). The third fishing ground is ...
Meeting Document : WG-EMM-02/63 Rev. 1 : Auteur(s): V.A. Sushin, P.C. Gasiukov, A.V. Zimin and S.M. Kasatkina (Russia)
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WG-FSA-08
. Anderson, K. Schnabel, D. Bowden and M. Kelly (New Zealand) WG-FSA-08/20 UPDATED BIOLOGICAL PARAMETERS FOR ... . Collins, R. Mitchell and M. Belchier (UK) WG-FSA-08/30 A REVIEW OF THE METHODS USED TO RELEASE SKATES ... (New Zealand) WG-FSA-08/49 YEAR OF THE SKATE SAMPLING PROTOCOL: LEARNING FROM THE 2007–08 SEASON ... FISHERY: REVIEW OF THE 3-YEAR EXPERIMENT AND DEVELOPMENT OF MEDIUM-TERM RESEARCH OBJECTIVES AND AN ...
Meeting
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Modelling and decision making as part of the CCAMLR management regime
of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ... fishing. 5 years. 1 year unless there is a seasonal influence ·on the population. Data limited ... and prey biomass. Harvest of predators and prey. 5 years. 1 year unless there is a seasonal ... biomass. Prey biomasses and harvesting. 5 years. 1 year unless there is a seasonal influence on the ... year being adequate, or less than one year if seasonal influences need to be considered. The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Auteur(s): Miller, D.G.M.