Search results
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Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
5.19-21). CVs of 20 % achievable from the biomass estimates may be achieved within three years ... -21).CVs of 20 % achievable from the biomass estimates may be achieved within three years ... CPUE (67 kg /km) in SSRUs C and D was higher than that (62 kg /km) over the four year’s cruises (two ... year’s cruises for SSRU D), the proposed sample size as existing 70 tonnes for the next 2012/13 survey ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Author(s): Delegation of Japan
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An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)
increased the information available on older age classes (i.e. fish greater than 20 years) available for use ... substantially increased the information available on older age classes (i.e. fish greater than 20 years ... in interpretation (e.g. both readers may have counted all sub-banding for a particular fish). This year’s stock ... ). This year’s stock assessment includes new age data from the 2012, 2013 and 2014 RSTSs, as well as from ...
Meeting Document : WG-FSA-14/45 : Author(s): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)
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SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)
that the effects of climate change also includes the effects of ocean acidification. Articles II and IX provide ... of change in Southern Ocean ecosystems (an ICED conference is to be held in 2018) and (ii) the design ... . Resolution 30/XXVIII (2009) encourages Members to become engaged in these two programs. The resolution ... of climate change also includes the effects of ocean acidification. Articles II and IX provide ...
Meeting Document : WG-EMM-16/71 : Author(s): A. Constable
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
/01. Each year covered fully the period 1 October – 30 September, thus including one summer and one ... the total number of days of IUU fishing that could occur during each year. For each IUU incident detected ... model. For each year, the model simulated 1000 IUU fishing incidents during the year, and from the known ... associated with IUU fishing. The catch rate of fish was calculated for each Area and each year using reported ...
Meeting Document : WG-FSA-02/4 : Author(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS
, this study (i) provides estimations of annual depredation levels on a 5-years period (2003-2008), (ii ... this 5 year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... for the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification data ... estimations of annual depredation levels on a 5-years period (2003-2008), (ii) proposes operational measures ...
Meeting Document : WG-IMAF-09/12 : Author(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)
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PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN FEBRUARY-MARCH 2008
scientists from the USA and Italy. Despite some of the worst ice conditions for 30 years, a total of 282 gear ... scientists from the USA and Italy. Despite some of the worst ice conditions for 30 years, a total of 282 gear ... into the Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML). The 50 day ...
Meeting Document : WG-EMM-08/18 : Author(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)
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Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. The survey was undertaken according ... the CPUE in terms of number was same level between the years. This may be due to the catch of small fish ... longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. The survey was undertaken according ... ) in the same SSRU in the 2009/10 survey, although the CPUE in terms of number was same level between the years ...
Meeting Document : WG-SAM-11/06 : Author(s): K.Taki, T. Iwami and M. Kiyota (Japan)
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Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. This report described the results during ... the CPUE in terms of number was same level between the years. This may be due to the catch of small fish ... longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. This report described the results during ... the CPUE in terms of number was same level between the years. This may be due to the catch of small ...
Meeting Document : WG-FSA-11/14 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Competition-induced starvation drives large-scale population cycles in Antarctic krill
Abstract: Antarctic krill (Euphausia superba)—one of the most abundant animal species on Earth ... —exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ... Antarctic krill (Euphausia superba)—one of the most abundant animal species on Earth&mdash ... ;exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ...
Meeting Document : WG-EMM-18/P05 : Author(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
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Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
underestimate the krill density due to the shallow distribution pattern of the animal, which may affect ... the krill density due to the shallow distribution pattern of the animal, which may affect the nighttime ...
Meeting Document : SG-ASAM-2019/05 : Author(s): X. Wang, X. Yu, J. Zhang and X. Zhao