Résultats de la recherche
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SLOPE CURRENTS AROUND THE KERGUELEN ISLANDS FROM DEMERSAL LONGLINE FISHING RECORDS.
east of the islands being associated with the Polar Folar rounding the islands from the south and ... flowing northward along the inner continental slope immediately east of the islands. These results ... quantitative knowledge of the current field around the islands due to lack of long-term current measurements ... . We performed a systematic analysis of a total of 28917 points of fishing gear drifts from setting and ...
Meeting Document : WG-FSA-08/P06 : Auteur(s): Y.-H. Park, N. Gasco and G. Duhamel (France)
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Adélie penguins foraging behaviour and krill abundance along the Wilkes and Adélie Land coasts, Antarctica
Abstract: The foraging behaviour of Adélie Penguins Pygoscelis adeliae was studied simultaneously ... CCAMLR Division 58.4.1 (south of 55 °S, 80- 150 ° E) to determine the extent of overlap between penguin ... ). Foraging trip durations and total distances travelled were also significantly different between colonies ... over the continental shelf and not in oceanic waters. The percentage distribution of dive depths were ...
Meeting Document : WG-EMM-97/64 : Auteur(s): Kerry, K., Rodary, D., Bost, C., Lemaho, Y., Wienecke, B.C., Thomson, R., Lawless, R., Pauly, T., Robertson, G.
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Saga Sea krill harvesting and production
and is based on a conventional trawl with a connected rubber hose to the cod end of the trawl. The ... June 2006. The last trip started in September. The vessel carries an UK (MRAG) international scientific ... observer onboard. There is an agreement between the Aker Seafood Antarctic and The Institute of Marine ...
Meeting Document : WG-FSA-06/20 : Auteur(s): T. Williksen (Norway)
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A proposal to amend Conservation Measure 10-02 to improve safety standards for vessels licensed to fish in the CCAMLR Area
occurred over time, with the loss of lives and vessels; and maritime pollution events. Responding to a ... is a corresponding increase in the risk of a maritime emergency. A range of maritime emergencies has ... maritime emergency in Antarctica is limited by natural challenges, the remoteness of the region and the ... limited availability of suitably ice-rated response vessels. Vessel owners and operators must be aware of ...
Meeting Document : CCAMLR-XXVI/28 : Auteur(s): Delegation of Australia
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Antarctic sea ice losses drive gains in benthic carbon drawdown
Abstract: Loss of sea-ice, ice shelves and retreat of coastal glaciers around the Antarctic ... phytoplankton die and sink to the sea-bed where the carbon is sequestered for thousands of years. This carbon ... Peninsula in the last few years has exposed new open water, allowing large blooms of phytoplankton to ... sink acts as a negative feedback to climate change, with an estimated 2.9 million tonnes of carbon ...
Meeting Document : SC-CAMLR-XXXIV/BG/34 : Auteur(s): Delegation of the United Kingdom
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Competition-induced starvation drives large-scale population cycles in Antarctic krill
that the cycle amplitude increases with reduction of krill loss rates. Thus, a decline of apex ... Abstract: Antarctic krill (Euphausia superba)—one of the most abundant animal species on Earth ... —exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ... models. Here, using data analysis complemented with modelling of krill ontogeny and population dynamics ...
Meeting Document : WG-EMM-18/P05 : Auteur(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
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Estimating unaccounted fishing mortality in the Ross Sea and 88.2C–G bottom longline fisheries targeting Antarctic toothfish
activities. The level of mortality resulting from the loss of sections of bottom longline gear in the Ross ... Abstract: Stock assessments rely upon estimates of the total mortality resulting from fishing ... Antarctic toothfish fisheries. Our estimates suggest that on average 175–244 t of Antarctic toothfish may be ...
Meeting Document : WG-FSA-11/48 : Auteur(s): D.N. Webber and S.J. Parker (New Zealand)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
/ thousand toothfish. Catch rates were lowest to the south and east of South Georgia. The two species most ... was not found in this study to the east or south of South Georgia. Modal length of R. georgiana caught ... preliminary analysis of data collected by UK scientific observers on vessels fishing toothfish in Subarea 48.3 ... from April to July 1999. The overall average catch rate of rays was 0.7/thousand hooks, compared with ...
Meeting Document : WG-FSA-99/40 : Auteur(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1996/97
discarding of plastic material and the loss of long-line fishing gear, especially hooks, remains a cause for ... Abstract: In the fourth year of standardised recording of man-made debris associated with ... of nylon line thought to originate from trawlers (three items). The incidence of southern giant ... petrels involved with fishing gear (four items) is a four fold increase on previous reports. Levels of ...
Meeting Document : SC-CAMLR-XVI/BG/05 : Auteur(s): Delegation of the United Kingdom
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Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)
are transported to South from East of archipelago, and may be mixed with krill of the 1st group. It is ... very probable that krill concentrated in stable eddies to East of archipelago may be kept there for a ... : waters of Antarctic Circumpolar Current, Weddell Sea and Secondary Frontal zone of Weddell Gyre. The ... schematic maps of geostrophic waters circulation are made. The joint analysis of environment parameters and ...
Meeting Document : WG-EMM-00/33 : Auteur(s): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)