Résultats de la recherche

1. Analysis of trawl data from the South Georgia krill fishery

   trawls were examined to establish the time required for each phase of the operation. The times associated ... focussed, operating in a limited area along the shelf edge on the northern coast of the island. Each day a ... variability. The range of measurements indicate that differences existed between years. Particular aspects of ...

   Meeting Document : WG-EMM-97/41 : Auteur(s): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.

2. Multiyear changes in distribution and abundance of Salpa thompsoni in the Western Antarctic Peninsula region

   responsibility for releasing documents:  CCAMLR Secretariat ... productivity and high water temperature. In recent years the expansion of distribution range of this ... caused by ocean warming and variability in sea ice extent. The presented time series is based on samples ...

   Meeting Document : WG-EMM-16/75 : Auteur(s): A. Panasiuk, A. Słomska, J. Wawrzynek, M. Konik and A. Weydmann

3. Seabird by-catch and bait loss in longlining using different setting methods

   minor problem in this fishing experiment. Suggestions on how to improve the efficiency of the two ... . Two different setting methods were tested as a solution to this problem; lines were set either through ... killed, while the associated bait loss may have serious impact on longlining efficiency and profitability ...

   Meeting Document : WG-FSA-96/06 : Auteur(s): Løkkeborg, S.

4. The age structure and growth rate of Patagonian toothfish (Dissostichus eleginoides) at South Georgia

   . Evidence for the separation of early year classes is presented along with mean sizes for each age class ... Abstract:  New length-at – age data for South Georgia toothfish are presented from a range of ... . Age length keys indicate that fish enter the fishery at 7 years and are fully recruited at between 10 ... and 11 years. Author(s):  M. Belchier (United Kingdom) Title:  The age structure and growth rate of ...

   Meeting Document : WG-FSA-04/86 : Auteur(s): M. Belchier (United Kingdom)

5. Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South Shetland Islands, Antarctica

   Abstract:  The trophic study of Arctocephalus gazella is an essential tool for assessing its ... winter 2004 and summer 2004/05 on the coasts of Stranger Point, Isla 25 de Mayo/King George. For the ... diet during an annual cycle. To our knowledge, this is the first report of the feeding habits of A ... concluded that fur seals centred their foraging activity on a krill community and fish associated with krill ...

   Meeting Document : WG-EMM-15/37 : Auteur(s): A. Harrington, G.A. Daneri, A.R. Carlini, D.S. Reygert and A. Corbalán (Argentina)

6. Estimating density and biomass of Antarctic krill (Euphausia superba) around South Shetland using the 2-dB difference method

   estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... CCAMLR standard protocols using swarm integration (SHAPES module within that software for swarm ... D. An Title:  Estimating density and biomass of Antarctic krill (Euphausia superba) around South ... Approved Delegation responsibility for releasing documents:  Korea, Republic of ...

   Meeting Document : SG-ASAM-18/08 : Auteur(s): S. Choi, K. Lee and D. An

7. Historical data synthesis in the Southern Ocean: Priority data sets

   give an example of an historical data rescue project that is being conducted by ICED scientists at the ... summaries of relevant data sets which we will collate in an open access document. This document should ... make data available for analysis.   Author(s):  N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda ... British Antarctic Survey, centred on the first comprehensive oceanographic research campaign in the ...

   Meeting Document : WG-EMM-13/19 : Auteur(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

8. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   Abstract:  Catch rates or catch per unit of effort (CPUE) are used for data-poor exploratory ... interim of collecting sufficient tag recaptures. Here, we address the two questions: (1) which unit of ... effort should be used for catch rates in mixed longline fisheries, and (2) how do different parameters ... total number of hooks per line for autoline and Spanish line and total number of clusters for trotline ...

   Meeting Document : WG-SAM-2019/25 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

9. Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010

   tonnes, an increase on the biomass estimate for 2009. Considering the anomalous environmental conditions ... , representing an increase in effort overall compared with surveys carried out in 2008 and 2009 on the same ... mean biomass of 52,329 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 24,334 ... surveys. The mean biomass estimate was 173,223 tonnes, more than ten-fold the estimate for 2008. Catches ...

   Meeting Document : WG-FSA-10/38 : Auteur(s): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)

10. Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean

    . Albatrosses have an economic impact on longline fisheries with annual losses to the southern bluefin tuna ... , it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan's ... in the problem is possible and that an overall reduction in excess 0f 90 % could be achieved. Further ... Abstract:  A conservative calculation of the number of albatrosses killed annually on Japanese ...

    Meeting Document : CCAMLR-IX/BG/17 : Auteur(s): Delegation of Australia

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