Search results
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Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise
Georgia, the South Sandwich Islands, and Bouvetoya Island from 5 June to 30 June, 2004. A description ... Georgia, the South Sandwich Islands, and Bouvetoya Island from 5 June to 30 June, 2004. A description ...
Meeting Document : WG-FSA-04/61 : Author(s): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)
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Spawning pattern and type of fecundity in notothenioids collected around the Elephant and South Orkney Islands
counting were carried out using an image analyzer in sub-samples of ovaries at different stages of ... occurrence of hydrated ovaries suggests reproductive activity in summer season for species commonly spawning ... in autumn and winter, which may be indicative of an either longer spawning season or alternatively is ... associated to some environmental factor that triggered an anticipation of the spawning season. Author(s): G ...
Meeting Document : WG-FSA-16/22 : Author(s): G. Plaza, P.M. Arana, F. Becker, A. Zavatteri and V.H. Castillo
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Detecting trends in the krill fishery
over a short (< 5 year) timescale and could result in an unacceptable concentration of fishing effort ...
Meeting Document : WG-EMM-02/25 : Author(s): S. Nicol and J. Foster (Australia)
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The Price of Fish: A global trade analysis of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (Dissostichus mawsoni)
over the six-year analysis period. The average price ($/kg) of imports increased by 44% from 2007 ... -year analysis period. The average price ($/kg) of imports increased by 44% from 2007 to 2012 ...
Meeting Document : CCAMLR-XXXIII/BG/14 Rev. 2 : Author(s): Secretariat
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Historical data synthesis in the Southern Ocean: Priority data sets
assist the efforts of data holders and the wider community to raise awareness and develop strategies ... assist the efforts of data holders and the wider community to raise awareness and develop strategies ...
Meeting Document : WG-EMM-13/19 : Author(s): N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda, S.L. Hill and R.D. Cavanagh (United Kingdom) on behalf of the ICED Scientific Steering Committee
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Decrease in numbers of the eastern rockhopper penguins Eudyptes chrysocome filholi at Marion Island, 1994/95 to 2002/03
. These factors suggest an inadequate supply of food for rockhopper penguins at Marion Island. Decreases ... fledged on average 0.40 chicks per annum, an amount thought insufficient to balance mortality of breeding ... a marked increase in the contribution of fish to the diet in 1999/00 that coincided with an increase ...
Meeting Document : WG-EMM-03/10 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, D.C. Nel, J.L. Nel, S.L. Petersen and A.C. Wolfaardt (South Africa)
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Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method
survey. The weighted krill density and biomass were estimated to be 0.20 g/m 2 and 18 thousand tons (CV ... . The weighted krill density and biomass were estimated to be 0.20 g/m2 and 18 thousand tons (CV=33.8%) applying ...
Meeting Document : WG-EMM-17/08 : Author(s): S.-G. Choi, K. Lee and D. An
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Uncertainty in echosounder calibrations
and 1.4 dB for a 38.1 mm WC sphere. Vector admittance measurements were made of an ES120 transducer ... Abstract: Calibration of echo sounders for fish stock assessment are commonly performed using the ... deviations of 0.1, 0.3, and 0.2 dB, respectively. To characterize the precision of the method for a fixed ... sphere TS versus time. Over two 15 hour periods, the measured TS ranged 1.2 dB for a 23.0 mm Cu sphere ...
Meeting Document : WG-EMM-96/40 : Author(s): Soule, M.A., Demer, D.A.
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Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer
, is an interesting area for that kind of biological study. Moreover, King George Island, where ... three Pygoscelis penguin species. The data presented here is based on samples collected during an ... Euphausia superba, E. frigida, E. crystallorophias and Thysanoessa macrura. Th. macrura, compared for ... result, population structure analyses were possible only for the Th. macrura individuals. The data also ...
Meeting Document : WG-EMM-14/60 : Author(s): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
the fishery is modeled using different functions for fishery selectivity depending on the fishing zone ... and the type of fishing vessels (trawlers, long-liners). The fishing zone for the long-liners is ... datasets was integrated using the effective samples’ size calculated at the level of each haul. An ... iteratively estimated process error was applied to the length frequency data. With an initial biomass of about ...
Meeting Document : WG-FSA-11/28 : Author(s): A. Relot-Stirnemann (France)