Résultats de la recherche

1. Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability

   was less than that in the eastern box (80.4 g m-2). Analysis of mid-season western survey box transect ... was intermediate between the eastern and western areas. The size structure of the krill in the central ... around South Georgia in the 2000/2001 season: in October 2000 (early-season); during late December ... / early January 2000/2001 (mid-season), and in March 2001 (late-season). The surveys were the first in a ...

   Meeting Document : WG-EMM-01/15 : Auteur(s): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)

2. The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island

   population growth in response to a reduction in the frequency of heavy sea-ice years. However, it is ... the form of sea-ice present, the season in which it is present and the processes that such sea-ice ... influences, such as primary productivity or foraging trip duration. To further explain the relationship ...

   Meeting Document : WG-EMM-07/21 : Auteur(s): L. Emmerson and C. Southwell (Australia)

3. Beach debris survey, Main Bay, Bird Island, South Georgia, 2002/03

   recorded in 2001/02 and the lowest levels of beach debris during summer since the first year of recording ... in 1990/91. The distribution of debris between summer and winter was similar to the previous year ... (3.6 kg) was a decrease of 1 kg since last year. There was a decrease in the proportion of nylon ... reduction in fishing gear found on the beach throughout the recording period, particularly during the winter ...

   Meeting Document : SC-CAMLR-XXIII/BG/13 : Auteur(s): Delegation of the United Kingdom

4. Chick provisioning and chick survival to fledging

   in three poor breeding seasons compared with six seasons where a higher fledging success was achieved ... , are highlighted. A continuous collection of data on foraging trip duration and meal mass (arrival ...

   Meeting Document : WG-EMM-00/40 : Auteur(s): J. Clarke, K. Kerry, L. Irvine and B. Philips (Australia)

5. Proposal for a longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4

   undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The research objectives ... Dissostichus sp population structures in this region, and improving available data on bathymetry and associated ... analysis plan towards the development of a stock hypothesis for the eastern regions of 48.2 and southern ...

   Meeting Document : WG-FSA-16/40 Rev. 1 : Auteur(s): Delegation of the United Kingdom

6. Progress report of Chilean research on albatross ecology and conservation

   . chrysostoma, and feed both in Antarctic waters and the South-eastern Pacific. Consequently they are subject to ... Abstract:  Two species of albatross breed in Chile, namely Thalassarche melanophrys and T ... need of harmonizing conservation measures in both areas. In this progress report we describe the main ... long-line fishery is similar to that found in CCAMLR waters. The objective of this paper is to inform ...

   Meeting Document : WG-FSA-02/18 : Auteur(s): J. Arata and C.A. Moreno (Chile)

7. Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study

   numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... penguin population at Béchervaise Island were found to be more sensitive to changes in annual survival ... rates, especially of young breeding adults, than to changes in fecundity parameters. These findings are ... discussed briefly in relation to other CEMP parameters, environmental factors and fishery regulation. Author ...

   Meeting Document : WG-EMM-02/48 : Auteur(s): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)

8. A balanced trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   variability in primary production. In the relative absence of krill, Antarctic silverfish (Pleuragramma ... primary production and the larger predators, though the role of cepahlopods in the system is poorly known ... characteristics are not well known. Toothed and baleen whales visit the Ross Sea in summer in relatively large ... in summer, and some may stay in the region year-round. The trophic model was balanced by adjusting ...

   Meeting Document : WG-EMM-07/18 : Auteur(s): M.H. Pinkerton, S.M. Hanchet and J. Bradford-Grieve (New Zealand)

9. Saga Sea krill harvesting and production

   June 2006. The last trip started in September. The vessel carries an UK (MRAG) international scientific ... Antarctic AS, and is licensed to fish krill in Area 48.1-4. Aker has developed a patented new environmental ... friendly continuous trawling system, named Aker Eco Harvesting System. The system is described in the paper ... Research in Norway to use Saga Sea as platform for collecting scientific data, and laboratory facilities ...

   Meeting Document : WG-FSA-06/20 : Auteur(s): T. Williksen (Norway)

10. Program of research to improve the seabird by-catch mitigation effectiveness of the Spanish system of longline fishing

    reduce the amount of fishing gear (and ghost fishing) lost in benthic habitats by Spanish system vessels ... in the Convention area and, potentially, in other fisheries where Spanish system vessels operate. A ... step-wise approach will be taken using a chartered fishing vessel in Chile to trial various line ... used by Spanish system vessels. The objectives are to (a) reduce the degree of lofting in hook lines ...

    Meeting Document : WG-FSA-05/12 : Auteur(s): G. Robertson (Australia) and C. Moreno (Chile)

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