Résultats de la recherche
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Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
line and a line shooter was investigated in commercial longlining in the northern Atlantic off the ... mitigation measures, a combination of both and no mitigation measure. A total of 58,420 hooks were set in ... was caught when the bird-scaring line was used in combination with the line shooter. In contrast, 32 ... fulmars were caught in sets with no mitigation device and thirteen in sets with the line shooter alone ...
Meeting Document : WG-FSA-01/78 : Auteur(s): S. Løkkeborg (Norway) and G. Robertson (Australia)
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Global relationships amongst black-browed albatrosses: analysis of population structure using mtDNA and microsatellites
five island groups in the Southern Ocean. High levels of sequence divergence were found in both taxa ... (0.55–7.20% in black-browed albatrosses and 2.10–3.90% in grey-headed albatrosses). Black-browed ... , indicating high levels of mixture and hybridization. In contrast, grey-headed albatrosses form one globally ... markers found similar population structure to the mtDNA analyses in both black-browed and grey-headed ...
Meeting Document : WG-FSA-01/19 : Auteur(s): T.M. Burg and J.P. Croxall (United Kingdom)
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A preliminary population status model for the Patagonian toothfish, Dissostichus eleginoides, on the Kerguelen Plateau (Divisions 58.5.1 and 58.5.2) using CASAL
Patagonian toothfish (Dissostichus eleginoides) fishery in the Southern Ocean outside of the Atlantic sector ... . Analysis of genetic, demographic and tagging data indicates that toothfish form a metapopulation in this ... , commercial and illegal fishing activities in the French and Australian EEZs. This represents a substantial ... step forward in understanding the dynamics and current status of toothfish across the Kerguelen Plateau ...
Meeting Document : WG-SAM-11/20 : Auteur(s): S.G. Candy (Australia), A. Relot, G. Duhamel (France), D.C. Welsford, A.J. Constable, T.D. Lamb (Australia), P. Pruvost and N. Gasco (France)
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DISTRIBUTION AND ABUNDANCE OF SKATES ON THE KERGUELEN PLATEAU (CCAMLR DIVISIONS 58.5.1 AND 58.5.2)
Abstract: Three species of skates are commonly taken as incidental by-catch in the Patagonian ... Plateau, showing different spatial distributions, linked mainly with depth. In the Australian EEZ, B ... in the HIMI region. The smallest species, B. murrayi, occurs only in the shallower waters down to ... from the trawl fisheries at HIMI are low and do not show any evidence of depletion in the main fishing ...
Meeting Document : WG-FSA-09/43 : Auteur(s): G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel (France)
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A generalized discriminant for sexing fulmarine petrels from external measurements
birds to predict the sex of unknown individuals in field studies. Geographic variation in size and shape ... , Daption capense; and Snow Petrel, Pagodroma nivea) assigned 81 to 98% of birds in the samples to the ... single discriminant. Adequate performance of this generalized discriminant in samples of different ... species shows its validity for use in other populations of any of these species. The generalized function ...
Meeting Document : WG-CEMP-94/24 : Auteur(s): J.A. van Franeker and C.J.F. ter Braak (The Netherlands)
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Krill caught by predators and nets: differences between species and techniques
during February 1986 at South Georgia were compared to krill from scientific nets fished in the area at ... differences from krill taken by other predators and by nets. There were significant differences in the ... maturity/sex stage composition between nets and predators; in particular all predator species showed a ... consistent sex bias towards female krill. Similarities in the krill taken by macaroni (offshore feeding) and ...
Meeting Document : WG-EMM-96/09 : Auteur(s): Hill, H.J., Reid, K., Trathan, P.N., Croxall, J.P.
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
fishing season. D. eleginoides was mainly caught in the shallower bank <1000 m, while D. mawsoni was ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... in D. eleginoids, while the size structure was very similar among fishing seasons and showed the ... unimodal distribution in D. mawsoni. D. eleginoides showed resting stage in sexual maturity, while D ...
Meeting Document : WG-FSA-10/47 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
fishing season. D. eleginoides was mainly caught in the shallower bank <1000 m, while D. mawsoni was ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... in D. eleginoids, while the size structure was very similar among fishing seasons and showed the ... unimodal distribution in D. mawsoni. D. eleginoides showed resting stage in sexual maturity, while D ...
Meeting Document : WG-SAM-10/16 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Groupe de travail chargé de l'évaluation des stocks de poissons (WG-FSA)
At its second meeting, in 1983, the Scientific Committee agreed that the starting point for ... Working Party on Antarctic Fish Biology (BIOMASS Report Series 12) during its meeting in 1984. Accordingly ... , in 1984, based on the findings of the BIOMASS report and other information on the status of fish ... stocks in the Antarctic, the Scientific Committee agreed to the following terms of reference for the ad ...
Page : Site Section: Science
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Observations pour la saison 2013/2014 relatives à la pêche INN en division 58 de la CCAMLR et dans les ZEE françaises adjacentes aux îles Kerguelen et Crozet et Synthèse de ces observations sur la décennie 2004–2014
has carried out exploratory fisheries. In the French EEZs, where the surveillance system remained in ... fishing activity was directly observed by France in the above-mentioned international areas. Between 2004 ... have been observed every year over the last ten years. The most recent interception, in 2013, by a ... French naval frigate, of a fishing vessel in the Crozet EEZ, along with the regular recovery of illegal ...
Meeting Document : CCAMLR-XXXIII/19 : Auteur(s): Délégation française