Résultats de la recherche
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
deployed at a level of 30 m from the surface because at this level krill concentrations are most frequently ... that in previous seasons. Total biomass of krill in shelf waters of the area surveyed was estimated at ... 1990/91 a survey was conducted by RV Kaiyo Maru in the vicinity of the South Shetland Islands and ... Elephant Island. The main objective of the survey was to investigate the mechanisms responsible for the ... circulation was studied with satellite-tracked buoys equipped with curtain drogues deployed at a level of 30 ... seasons. Total biomass of lain in shelf waters of the area surveyed was estimated at 1.78 million tonnes ... . RESULTS 3.1 Physical Oceanography Figure 3 shows the horizontal distribution of salinity at 30 m depth ... fishing trawler operated at that time not only to the north of Livingston Island but also to the north of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu
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CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008
an update on progress towards the holding of this workshop at the CCAMLR Secretariat. A revised ... ” will be held at the CCAMLR Headquarters in Hobart Australia on 11-15 August 2008. This paper provides ... budget is presented for consideration primarily to take account of the review materials being produced ... without expenditure from the budget, the re-costing of hosting the workshop by the CCAMLR Secretariat and ...
Meeting Document : WG-EMM-08/15 : Auteur(s): A. Constable and N. Gales (Co-conveners)
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Beach debris survey, Signy Island, South Orkney Islands, 2003/04
, followed by wood at 24%. The results of this seasons litter survey, clearly shows that the longevity of ... with, regulations prohibiting the disposal of debris at sea. Author(s): Delegation of the United ... out at Signy Island, South Orkney Islands. Debris was cleared each month between December and March ... and size categories. A total of 21 items weighing 11.59kg were collected. The number of items found ...
Meeting Document : SC-CAMLR-XXIII/BG/15 : Auteur(s): Delegation of the United Kingdom
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a
during WG-FSA 2014 using the Petersen estimator at 386 tonnes. In the absence of an assessment using the ... the estimate of biomass for this division in 2015. Given this analysis estimated biomass at 419 tonnes ... to progress on the robustness of the CASAL assessment. The biomass in division 58.4.3a was estimated ... CCAMLR decision rules, the re-estimation of the geometric mean of Petersen biomass estimates is used as ...
Meeting Document : WG-FSA-15/78 : Auteur(s): A. Rélot-Stirnemann (France)
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Report on the CCAMLR Marine Debris monitoring program
bands found at Bird Island. The amount of debris in albatross colonies at Bird Island varies; debris ... common type of debris items found in beach surveys. The fishing items found were mostly from longline and ... . The amount of fishing related items (fishing lines and hooks) found in wandering albatross colonies ... remains the most frequent debris item found in each season. The number of marine mammal entanglements has ...
Meeting Document : WG-FSA-15/15 : Auteur(s): CCAMLR Secretariat
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OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08
tagged fish at a rate of 4.9 fish/tonne; • in Division 58.4.3b the vessel tagged fish at a rate of 4.6 ... a high mortality rate of fish on these lines; only fish with a high chance of survival were tagged ... closed on 30 January 2008). • The vessel caught a total of 9.757 t of Dissostichus mawsoni in Division ... of 3 fish tagged per tonne of green weight caught required in Conservation Measure 41-11(2007). The ...
Meeting Document : WG-FSA-08/16 : Auteur(s): A.T. Lozano and O. Pin (Uruguay)
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Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2
update of the numbers of fish scanned at length by New Zealand vessels, and the numbers of tagged fish ... Abstract: In this paper, we address a number of aspects of the model inputs and parameters of the ... -weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... runs that investigate the sensitivity of the 2006 stock assessment to changes in these model inputs and ...
Meeting Document : WG-SAM-07/6 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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New Zealand Antarctic research programme
surviving chicks in mid-January (when weight and measurements of samples of chicks at Capes Royds and ... of natural population fluctuations. Populations at nearly all rookeries have increased markedly in ... , seasonal distribution of sea ice, air temperature at sites remote from continental influence, and satellite ... Abstract: Since parameters of penguin populations may provide good indices of the abundance of ...
Meeting Document : WG-CEMP-92/24 : Auteur(s): P.R. Wilson (New Zealand)
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Contribution de la France aux travaux de biorégionalisation pour la création de nouvelles aires marines protégées dans la zone CCAMLR
assist in the establishment of new Marine Protected Areas in its Exclusive Economic Zones at Kerguelen ... Abstract: In this document, France presents to CCAMLR the status of its thoughts and work to ... and Crozet as well as in the Dumont d’Urville area. Author(s): Delegation of France Title ... : Contribution by France to work on bioregionalisation aimed at establishing Marine Protected Areas in the CCAMLR ...
Meeting Document : SC-CAMLR-XXIX/13 : Auteur(s): Delegation of France
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SC-CAMLR-XII
Delegation of United Kingdom SC-CAMLR-XII/BG/07 Records of fishing hooks associated with albatrosses at Bird ... -1992 Delegation of New Zealand SC-CAMLR-XII/BG/15 Oiled penguins observed at Bird Island, South Georgia ... management under uncertainty Observer (Ukraine) SC-CAMLR-XII/BG/20 Report of the SC-CAMLR Observer at the ... dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island ...
Meeting