Search results
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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
biomass was log-normally distributed with a mean of 0.18 t. Only 3% of the aggregations were heavier than ... that these could be useful in the development of fisheries-dependent indices of krill abundance. Polar ... 1 t. The aggregations were on average 4.2 km apart along-track, and on 10 of the 15 survey days were ... aggregations heavier than 1 t, and of aggregations 20 km on either side of such aggregations was similarly ...
Meeting Document : WS-KCPUE-89/11 : Author(s): D.G.M. Miller and I. Hampton (South Africa)
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Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
/17 fishing season, noting that on average 89% of skates by weight are released alive (45 of 51 t ... hence we recommend that a 2-year skate tagging programme in the Ross Sea region be used to provide ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... species is the only one with enough mark-recapture data to examine movement patterns and estimate local ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Author(s): S. Parker and M. Francis
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season
parameters. However, multi-chain comparisons and sensitivities with fixed selectivity ogives suggested that ... yields, using the CCAMLR decision rules, were estimated to be 2964 t although continued catch at current ... levels (3207 t) would not be expected to breach the 50%B0 threshold until 2029. Author(s): A. Dunn, D.J ... ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ...
Meeting Document : WG-FSA-05/33 : Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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e-sc-xxv-a5-appD.pdf
... 1). The Working Group noted that the incidence of birds being caught injured and uninjured (i.e. birds ... 7). 16. As for 2005, the Working Group noted that the reports of seabirds being caught injured ... and uninjured indicate that seabirds are being caught on the haul; this accounted for at least 28% of seabird ... still being at sea (WG-FSA-06/37 Rev. 1). 30. In 2005, the Working Group recommended increasing ... vessel effects that need to be examined to effectively reduce further seabird captures in these areas ... remain for 2006. The Working Group recommended that: • consideration be given to increasing the ... respectively (Table 14). 24. The Working Group noted that there continued to be a general downward trend in ... . The Working Group noted that no seabird mortality was recorded on the Saga Sea while fishing with
application/pdf attached to:Ad Hoc WG-IMAF-06Meeting Report : Ad Hoc WG-IMAF-06
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WG-EMM-08
Date(s): Wednesday, 23 July 2008 to Friday, 1 August 2008 Meeting documents Doc Number Title WG-EMM-08 ... July to 1 August 2008) WG-EMM-08/02 List of participants WG-EMM-08/03 List of documents WG-EMM-08/04 ... vessel Niitaka Maru in the South Georgia area (August 2007) T. Iwami and M. Naganobu (Japan) WG-EMM-08 ...
Meeting
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10
fact be Patagonian toothfish. We recommend that observers be made aware of this issue, and that the ... dynamics. It has been suggested that a pre-recruit longline survey be developed to collect data to better ... fishing together with the catch of Dissostichus spp and bycatch species by year for the period 1997–98 to ... 881H and 881I, with a reduced catch from 881K due to ice conditions. The catch limit in the north was ...
Meeting Document : WG-FSA-10/23 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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e-sc-xxv-a5.pdf
... Islands) and Subarea 58.6 (Crozet Island) in 2005/06 (to August 2006). 3.4 The Secretariat began ... fish. It was noted that survey group 1, consisting of the 2001, 2002, 2004, 2005 and 2006 surveys ... includes vessels as fixed effects in the generalised linear mixed model (GLMM), could give underestimates ... at liberty. The paper concluded that some skates survive being caught on longlines, and tagged and released ... Group reconsidered last year’s decision that all meeting documents should be distributed as locked pdf ... that meeting documents should be made available on the CCAMLR website and on the meeting server as ... the validation that the assessment results as quoted in the accompanying papers can be reproduced ... that this height above the sea floor could be set to reduce by-catch. The Russian system was also
application/pdf attached to:WG-FSA-06Meeting Report : WG-FSA-06
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e-cc-xxii-a5.pdf
... Viola which had unloaded toothfish in Beira, Mozambique, during the 2001/02 intersessional period ... catches in the 2001/02 and 2002/03 seasons and noted that: 155 (i) the estimated total IUU catch ... reported from Area 47 have increased for the past three years (76 tonnes in 2000/01, 655 tonnes in 2001/02 ... season than in the 2001/02 fishing season (3 643 tonnes in 2002/03 compared to 10 620 tonnes in 2001/02 ... stated that although it sympathised with the view of Australia that some actions need to be taken ... from Members (CCAMLR- XXII/BG/16). 2.2 The Committee noted that in accordance with Articles X and ... operators: (i) more frequent transhipments at sea in order that catches can be unloaded in ports which ... Scientific Committee on IUU catches in the 2001/02 and 2002/03 seasons and noted that: 155 (i) the
application/pdf attached to:SCIC-03Meeting Report : SCIC-03
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An assessment of toothfish in Subarea 48.3 using CASAL
45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ... , with an extensive range of sensitivity tests and examination of diagnostics. A baseline assessment ... fleets with different selectivities, and fitted to catch length frequencies, tag recapture data, CPUE ...
Meeting Document : WG-FSA-05/16 : Author(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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e-sc-vi.pdf
... . 3.9 In closing his report, the Chairman noted that the workload of the Scientific Committee was being ... meeting of the Scientific Committee recognised the following biological topics as being relevant to stock ... National representatives reported on recent research on krill stock separation being conducted ... an upward-directed echo-sounder system was employed. He also highlighted on-going research being ... agreed that there would be considerable value in the Group liaising with scientists involved in national ... of the meeting would be discussed. ADOPTION OF THE AGENDA 2.1 The Chairman noted that since the ... Lubimova (USSR) also reported that the Soviet fishery preferred to catch non-green krill. 4.8 Dr T ... future data should be reported in accordance with existing decisions, by Stalant sub-area and division
application/pdf attached to:SC-CAMLR-VIMeeting Report : SC-CAMLR-VI