Search results
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities
Abstract: The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ... CCAMLR to develop joint activities in this regard, planning is underway for an ICED Workshop focussed on ... projections of change in Area 48- Developing projections of the future state of Southern Ocean ecosystems ...
Meeting Document : WG-EMM-17/36 : Author(s): E. Murphy on behalf of ICED SSC
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“Sailbuoy for krill” – a concept for autonomous commercial and scientific monitoring of the krill fishing in Antarctica
Abstract: Science based management of krill suffers from limitation of time-space information in ... distribution dynamics. Similarly, the industry burns unnecessary amounts of oil in long range searching of ... fishable biomass due to lack of density distribution information. In this paper, we demonstrate that new ... – science partnership in collecting environment and krill distribution data independent of vessel ...
Meeting Document : WG-EMM-18/15 : Author(s): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
larval transport of the Antarctic Toothfish in the East Antarctic region. This paper presents the ... observed in the experiment A-1, the majority of particles were advected eastward in the experiment A-2. A ... significant difference is that some particles reached southern shelf-slope zone (nursery ground) in the ... experiment A-2 because of effects of temporal eddy activities. In the northern continental slope region, most ...
Meeting Document : WG-FSA-2019/63 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2
Abstract: In this paper, we address a number of aspects of the model inputs and parameters of the ... Antarctic toothfish stock assessment for the Ross Sea fishery. In particular we review catch history, length ... -weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... runs that investigate the sensitivity of the 2006 stock assessment to changes in these model inputs and ...
Meeting Document : WG-SAM-07/6 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ... in the 2002/2003 CCAMLR season. This paper provides a preliminary assessment of yield using the ... assessment methods of CCAMLR and discusses the implications of these results in relation to previous CCAMLR ...
Meeting Document : WG-FSA-02/47 : Author(s): A.J. Constable, R. Williams and T. Lamb (Australia)
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Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 2 – outcomes from the application of the risk assessment framework for distributing the krill trigger level in Area 48
for distributing the krill trigger level in Area 48, which was described in Part 1 of this work (WG ... , including consideration of the matters raised by WG-EMM in 2016. The framework presented in Part 1 is shown ... explored in that review. The assessment primarily uses two factors to underpin the index of risk – the ... potential for fishing effects in areas with higher proportions of young krill (source areas) and predation ...
Meeting Document : WG-FSA-16/48 Rev. 1 : Author(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)
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Detecting trends in the krill fishery
stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... found that they are generally less accurate than will be necessary to detect trends in the future ... . Economic information on the krill fishery has been difficult to access in the past but will be necessary to ... generally available in the Scientific Committee. Technological information may provide early warnings of ...
Meeting Document : WG-EMM-02/25 : Author(s): S. Nicol and J. Foster (Australia)
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Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002
Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... abundance values by size class in pelagic zone and in the near-bottom 8m layer (covered by bottom trawling ... are also available. The bottom biomass resulted in the estimate of 62,328.0 tonnes. The sum acoustic ...
Meeting Document : WG-FSA-02/44 : Author(s): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina
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ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW
(Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... been detected in scat or stomach samples; biochemical samples have been taken only from seal ... -breeding seals in McMurdo Sound take 0.8-1.3 toothfish per day. Seals with video recording equipment were ... estimated that the non-breeding portion of the seal population in McMurdo Sound, during spring and summer ...
Meeting Document : WG-EMM-08/22 : Author(s): D. Ainley and D. Siniff (USA)
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
(data of 2900 trawlings are used) in the South Orkneys area during December 1989- March 1990. In the ... fishing intensity (2.7- 88.9 thous.t) obtained for above mentioned four months in 1984-1993 (CCAMLR, 1994 ... in the area off the northern Coronation Island. Vessels of PPR type obtained the highest catch ... 30 t. The highest variability was observed in trawlings duration (τ) and catch per trawling hour (q ...
Meeting Document : WG-EMM-97/51 : Author(s): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.