Résultats de la recherche
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AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)
to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ... commercial fishery in the Southern Ocean, yet many of their life history characteristics, including vital ... rates, remain unknown. In this study, Antarctic toothfish were aged using otolith age estimation ... estimated ages, the radioactive disequilibrium of lead-210 and radium-226 in otolith cores was measured and ...
Meeting Document : WG-FSA-08/17 : Auteur(s): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)
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FISHING EQUIPMENT, MARINE DEBRIS AND HYDROCARBON SOILING ASSOCIATED WITH SEABIRDS AT BIRD ISLAND, SOUTH GEORGIA, 2007/2008
2008. It is the fifteenth such annual report. As in previous years, the majority of items (84%) of ... marine debris and fishing gear (mostly hooks and lines from longline fisheries) were found in association ... with wandering albatrosses Diomedea exulans, and very few in association with grey-headed Thalassarche ... was observed in the total number of items encountered (n=116) compared with the previous season. Two ...
Meeting Document : WG-FSA-08/25 : Auteur(s): D. Fox (UK)
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Analisis de los censos de Arctocephalus gazella efectuados en el sitio de especial interes cientifico no. 32, Isla Livingston, Antarctica
results show that the population size of this species, in the study area increased during 26 years, form ... in Viña del Mar (Chile) in August 1992, the information about four complete censuses on the Antarctic ... 50 animals counted in January 1966 to 10768 individuals registered in January 1992. It is recommended ... that future censuses carry out in the Cape Shirreff also include the breeding colonies of San Telmo ...
Meeting Document : WG-CEMP-93/24 : Auteur(s): A. Aquayo L. and D. Torres N. (Chile)
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Stomach contents of sub-adult Antarctic toothfish (Dissostichus mawsoni) from the western Ross Sea, Antarctica
(Muraenolepididae) were also important. Glacial squid (Psychroteuthis glacialis) were found in about 20% of stomachs ... mawsoni) captured by bottom longline in the western Ross Sea were analysed. Fish were sampled during the ... 2005 fishing (Dec 2004 to Jun 2005) season and caught in 398-1678 m depths. Sub-adult D. mawsoni are ...
Meeting Document : WG-FSA-06/27 : Auteur(s): D.W. Stevens (New Zealand)
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Agreement on the Conservation of Albatrosses and Petrels – Report of the First Meeting of the Advisory Committee Interim Secretariat – Agreement on the Conservation of Albatrosses and Petrels
Albatrosses and Petrels was held in Hobart from 20-22 July 2005. This meeting followed the First Session of ... the Meeting of the Parties, held in Hobart from 10-12 November 2004. Eleven Parties have ratified the ... Agreement of which six were represented at the Advisory Committee meeting. In addition three range states ... examined a number of papers submitted in relation to the issue of incidental mortality in fisheries. It was ...
Meeting Document : WG-FSA-05/25
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Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects
sank instantly, reaching 1 m depth in 6-9 s whereas unweighted lines took >20 s to reach this depth ... Abstract: Conservation Measure # 216 requires vessels fishing in sub area 88.1 + sink longlines ... attached weights (6 kg/49 m) in the New Zealand ling fishery. Longlines with 0 g/m (unweighted), 25 g/m, 50 ... /m added weight are recommended for testing in a subsequent trial to examine the effectiveness of IW ...
Meeting Document : WG-FSA-02/22 : Auteur(s): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)
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Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2006/07
fourteenth such annual report. As in previous years, more items of marine debris and fishing gear (mostly ... longline fishing gear) were found in association with wandering albatrosses than with any other species ... typical of those used in the Patagonian Toothfish industry. Author(s): Delegation of the United Kingdom ...
Meeting Document : SC-CAMLR-XXVI/BG/18 : Auteur(s): Delegation of the United Kingdom
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Comments regarding a Marine Protected Area on the Southern Shelf
) established by CCAMLR in Subarea 48.2 on the initiative of the United Kingdom has existed for more then eight ... by CCAMLR and lessons learned from it are important for subsequent proposals to establish MPAs in the ... Convention Area. Taking into account the above, we consider it appropriate to make a number of comments in ... years (Conservation Measure СМ 91-03, 2009). However, there are still issues related to the scientific ...
Meeting Document : SC-CAMLR-XXXVI/BG/26 : Auteur(s): Delegation of the Russian Federation
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Preliminary results on by-catch of fishes caught by the fishery vessel Chiyo Maru No. 3 to the north of the South Shetland Islands (February to March, 1996)
in 41 hauls. Notothenioid juveniles were found in 30 hauls carried out in waters with a depth of 87 ... in 11 hauls operated at some distance from the shelf, in the offshore waters with a depth of 275 ... -1780m (average 1006m). Notothenioid juveniles never caught with bathypelagic fish species in all hauls ... found in 15 hauls, and its estimated value of an arithmetic mean was 4±19 ind./t (0 to 140 ind./t) of ...
Meeting Document : WG-EMM-96/52 : Auteur(s): Ichii, T., Kawaguchi, S., Naganobu, M.
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Conservation of Antarctic pack-ice seals with increasing krill fishing and environmental change
suitable seal habitat has declined between 21 and 28% over a 30 year period; krill density has potentially ... consumption in the West Antarctic Peninsula (WAP)-western Weddell Sea area, the main fishery region; and we ... consider long-term changes in suitable pack-ice habitat, increased fishing pressure and potential krill ... and in the entire area, over 3 million crabeater seals can consume over 12 million tonnes of krill ...
Meeting Document : WS-MPA-11/24 : Auteur(s): J. Forcada, P.N. Trathan (UK), P.L. Boveng (USA), I.L. Boyd (UK), D.P. Costa (USA), M. Fedak (UK), T.L. Rogers and C.J. Southwell (Australia)