Search results
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Assessment of the status of the toothfish stock in Subarea 48.3
different methods, one fishery dependent and three fishery-independent. Survey-generated recruitment ... loss rates and fishery age-based selectivity. Estimations based on local depletions of toothfish ... methods, one fishery dependent and three fishery-independent. Survey-generated recruitment is apparently ... rates and fishery age-based selectivity. Estimations based on local depletions of toothfish generated ...
Meeting Document : WG-FSA-04/82 : Author(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4
series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ... rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average biomass ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass ... returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of 1187 tonnes ...
Meeting Document : WG-FSA-2019/27 : Author(s): T. Earl and A. Riley
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results
icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... ’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79o 20&rsquo ... ; E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously ...
Meeting Document : WG-FSA-12/26 : Author(s): D.C. Welsford (Australia)
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Numerical model of ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean
an OGCM (Ocean General Circulation Model) (2) to develop a one dimensional ecosystem model that can ... General Circulation Model) (2) to develop a one dimensional ecosystem model that can be applied to primary ... the integrated model with the above 5 items. This year, we have developed a three dimensional regional model off ... 5 items. This year, we have developed a three dimensional regional model off King George Island ...
Meeting Document : WG-EMM-95/52 : Author(s): Naganobu, M., Kishi, M.J.
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands 1996/97
was being caused to 75% of animals at Signy Island (15% at Bird Island) and none was seen to have a neck ... with only 20 entanglements recorded at sites in the South Shetland Islands. However, it is difficult ... was being caused to 75% of animals at Signy Island (15% at Bird Island) and none was seen to have a neck ... with only 20 entanglements recorded at sites in the South Shetland Islands. However, it is difficult ...
Meeting Document : SC-CAMLR-XVI/BG/07 : Author(s): Delegation of the United Kingdom
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Collaborating to eliminate Illegal, Unreported and Unregulated fishing in the Southern Ocean
Abstract: The high-profile chase and sinking of the Thunder was just one of many important ... The high-profile chase and sinking of the Thunder was just one of many important enforcement ... ) fishing this year. ASOC and COLTO commend the cooperation between states, organizations and NGOs that led ... this year. ASOC and COLTO commend the cooperation between states, organizations and NGOs that led ...
Meeting Document : CCAMLR-XXXIV/BG/23 : Author(s): Submitted by ASOC and COLTO
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Determination of Antarctic krill acoustic back-scattering cross-section
signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level ... signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level ... signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level ... Sea 2.87 8.5 0.8 4.57 0.77 3.40 5.80 6.4 -63.0 2 Scotia Sea 2.76 7.1 0.7 4.30 0.64 3.20 5.80 5.8 ... 0.17 3.00 5.00 4.2 -64.7 5 Mordvinov's Island 3.38 11.7 1.1 4.88 0.44 3.20 5.80 7.9 -62.0 Figure ... is the product of two random values. Due to the statistical independence of random values, where ao ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Author(s): Protaschuk, V.A. and T.A. Lukashova
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An acoustic estimation of krill densities to the north of South Georgia in January 1994
Abstract: Dual frequency (38 and 120 kHz) acoustic surveys were carried out in two regions along ... strength between the two frequencies (δMVBS = MVBS 120 kHz- MVBS 38 kHz) was used to discriminate krill ... Dual frequency (38 and 120 kHz) acoustic surveys were carried out in two regions along the northern ... between the two frequencies (δMVBS = MVBS 120 kHz - MVBS 38 kHz) was used to discriminate krill from other ...
Meeting Document : WG-EMM-95/74 : Author(s): Watkins, J.L., Brierley, A.S.
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Proposal to continue the time series of CCAMLR-sponsored research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015
timing and methods will remain the same as in previous years, and the number of sets will be retained ... for the 2014/15 fishing year is requested for the survey. Author(s): S.M. Hanchet, S.J. Parker and S. Mormede ... and methods will remain the same as in previous years, and the number of sets will be retained at a total ... fishing year is requested for the survey. ...
Meeting Document : WG-SAM-14/25 : Author(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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Proposal of extension of research block 48.6_2 to complete planned research and examine the habitat model and the stock structure
model and elucidate stock structure. The distribution of densities (catch per haul in 20-minute grid ... and elucidate stock structure. The distribution of densities (catch per haul in 20-minute grid) of Dissostichus ...
Meeting Document : WG-SAM-16/08 : Author(s): T. Namba, T. Ichii and K. Taki