Résultats de la recherche
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DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE
Abstract: The level of data quality assessment and ‘certification’ as ‘fit for purpose’ depends ... upon the different requirements for the data, together with a recognition that, however thorough a ... validation exercise the data are exposed to, there will always be some data that require some additional ... confirmation of their validity. In the context of CCAMLR, data may undergo one set of quality testing in order ...
Meeting Document : WG-SAM-09/05 : Auteur(s): Secretariat
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Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
penguins at the Béchervaise Island CEMP site were compared between seasons of contrasting krill ... Abstract: Parameters measured under the CCAMLR Ecosystem Monitoring Program (CEMP) for Adélie ... availability. Krill biomass estimates were derived from shipboard surveys carried out within the penguins ... ’ normal foraging range during the 2001 and 2003 breeding seasons. More than three times as much krill was ...
Meeting Document : WG-EMM-03/44 : Auteur(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
Abstract: Basing on the analysis of major water mass boundaries and their thermochaline ... characteristics, T,S diagrams' typification has been realized for hydrological stations carried out in the ... been singled out for the area of South Orkney Isls. The first type was characterized by presence of ... intermediate cold layer. In some years of this type (1 97 1, 1972, 1978, 1982) the layer had positive ...
Meeting Document : WG-EMM-00/34 : Auteur(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
Abstract: At CCAMLR-XXVI the Working Group on Fish Stock Assessment (WG-FSA) noted a lack of ... specific reference material for the identification of benthic invertebrates in areas specific to which ... observers carry out their activities (SC-CAMLR-XXVI: Annex 5, paragraph 6.32). To improve the standard of ... observer identifications and also to assist in the identification of vulnerable areas, the Scientific ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Auteur(s): Delegation of Australia
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FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
ecosystems’ in order to maintain the ecological structure and function of, particularly, deep sea benthic ... habitats. Noting the paucity of data on the ecology of these habitats, this paper further develops a ... the most cost-effective way that fishers might be able to collectively enact this resolution? The UNGA ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ...
Meeting Document : WG-FSA-09/42 : Auteur(s): A.J. Constable (Australia)
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
of how biological and physical processes interact across a wide range of scales. Here we examine the ... role of physical and biological processes in generating fluctuations in the ecosystem around South ... Georgia in the South Atlantic sector of the Southern Ocean. Anomalies in sea surface temperature (SST) in ... the South Pacific sector of the Southern Ocean have previously been shown to be generated through ...
Meeting Document : WG-EMM-08/P02 : Auteur(s): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
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Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente
Abstract: This work aims to the study of the distribution, size structure by depth, first ... eleginoides) in the Argentine Sea, and atempts some explanation by a trophic analysis of such distribution ... . The distribution of Patagonian toothfish extends between of 36°30'S and 55°S from 80 to 2500 m ... depth. Greatest concentration areas were found south and NE of the Malvinas Islands, over the slope of ...
Meeting Document : WG-FSA-97/49 : Auteur(s): Almeyda, S.M., Prenski, L.B.
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
the temporal variability in predator response parameters at this site is largely driven by changes in ... Abstract: We examined the within- and between- year fluctuations of four Adélie penguin ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in ... a season with long foraging trips during the guard period, relatively short trips during the crèche ...
Meeting Document : WG-EMM-12/22 : Auteur(s): L. Emmerson and C. Southwell (Australia)
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
the temporal variability in predator response parameters at this site is largely driven by changes in ... Abstract: We examined the within- and between- year fluctuations of four Adélie penguin ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in ... a season with long foraging trips during the guard period, relatively short trips during the crèche ...
Meeting Document : WG-EMM-12/48 : Auteur(s): L. Emmerson and C. Southwell (Australia)
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An ecological risk assessment of current conservation measures for krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
Abstract: Australia is adapting the risk assessment framework used in Area 48 to assess the risks ... and 58.4.2, off the coast of East Antarctica, and to evaluate whether the current management procedure ... relatively simple derivation of the risk assessment framework to assess whether the current conservation ... measures that are relevant to Divisions 58.4.1 and 58.4.2 sufficiently mitigate the risk of a krill fishery ...
Meeting Document : WG-EMM-18/37 : Auteur(s): N. Kelly, L. Emmerson, S. Kawaguchi, C. Southwell and D. Welsford