Résultats de la recherche
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... Island (division 58.5.1 of the CCAMLR) was undertaken with the modeling software CASAL, using different ... unit effort of the commercial fishery, tagging survey, sample size frequencies… CASAL is a simple ... population-modeling tool, applied to a single area and based on sex combination. The spatial complexity of ...
Meeting Document : WG-FSA-11/28 : Auteur(s): A. Relot-Stirnemann (France)
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
northwest of South Georgia and from a pair of shorter transects south of the PF but north and east of the ... the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... also been implicated in the movement and retention of various associated mesoscale features. In this ... paper we examine the structure and position of the PF as it passes over the rugged bathymetry to the ...
Meeting Document : WG-EMM-97/40 : Auteur(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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Adélie penguins as indicators of the state of the sea-ice in Adélie Land
stays anchored in Commonwealth Bay, on the east of the island. The B9B blocks icebergs from the Mertz ... Abstract: In the 2013-14 reproductive season, the 26,000 pairs of Adélie penguins from Pétrel ... of parents meant that the partner and/or the chick fasted longer at the nest, increasing the risk of ... desertion by the partner and the risk of dying of prolonged fast for the chick(s). Second, the season was ...
Meeting Document : WG-EMM-17/01 Rev. 1 : Auteur(s): Y. Ropert-Coudert, A. Kato and C. Barbraud
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Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
further east and north of the CCAMLR Convention area, which is bounded by latitude 60°S. Obtaining a ... Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 88.1B), yet adult Antarctic toothfish are found much ...
Meeting Document : WG-SAM-18/09 : Auteur(s): Delegation of New Zealand
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Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
further east and north of the CCAMLR Convention Area, which is bounded by latitude 60°S. Obtaining a ... Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 881B), yet adult Antarctic toothfish are found much ...
Meeting Document : WG-FSA-18/40 : Auteur(s): Delegation of New Zealand
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
Abstract: Satellite telemetry was used to determine the winter movements and distributions of ... ). All five chinstrap penguins were tracked for a minimum of three months each, while one bird was ... that 4 of the 5 chinstrap penguins foraged largely on the shelf to the north and northeast of the South ... northeast to the Elephant Island area and spent the next 4-5 months continuing to the East. This bird’s ...
Meeting Document : WG-EMM-02/55 : Auteur(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
Abstract: Two studies are tabled for the Subantarctic pelagic area of CCAMLR areas 58.5.1 and ... 58.6, which covers the Crozet Basin and the north of the Kerguelen Plateau: one based on marine pelagic ... species (plankton and fish), and the second on top predators. In this report, we followed three types of ... bioregionalisation of the Southern Ocean based on abiotic and chlorophyll- a characteristics of the habitat only, and ...
Meeting Document : WS-MPA-11/10 : Auteur(s): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
Abstract: On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... microstructure analysis of otoliths of juvenile icefish of 5.5-13.3 cm in length was carried out. Fish studied ... represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Auteur(s): L.V. Shcherbich (Russia)
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VNIRO program on remote monitoring of oceanographic conditions in fishing areas of the World Ocean (the southwestern Atlantic and the southeastern Pacific)
Abstract: The paper presents a program of application of satellite and ship monitoring data on ... dynamics of the sea surface temperature (SST) in fishing areas For various time intervals (week, month ... , year, etc.). Sample monitoring of fishing areas in the south-western Atlantic and the southeastern ... Pacific includes: a set of maps of weekly mean SST and monthly mean SST; resulted maps of gradients ...
Meeting Document : WG-EMM-98/14 : Auteur(s): G.P. Vanyushin, T.B. Barkanova and A.A. Troshkov (Russia)
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Investigations of intensity of krill drift near South Georgia Island
Abstract: Calculation of drift’s speed (transport with current) of Antarctic krill along the ... northeastern shore of South Georgia Island (between 54-55S and 34-39W) were carried out. Length of island’s ... shelf for calculation was assumed about 300 km, but average width of shelf (from shore to 500 m isobate ... ) was assumed about 60 km. Speed of drift in these spatial limits was assumed about 10 cm sec-1. The ...
Meeting Document : WG-CEMP-92/32 : Auteur(s): V.V. Popkov (Russian Federation)