Resultados de la búsqueda
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The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988
Abstract: Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... of the 1960s by the Soviet Union mainly. Notothenia rossii marmorata was the target species in the ... mostly directed to the icefish Champsocephalus gunnari and to a lesser extent Patagonotothen brevicauda ... 1986-88. N. rossii marmorat is the species mostly affected by the fishery. Stock size around South ...
Meeting Document : WG-FSA-88/14 : Autor(es): K.-H. Kock and F.-W. Köster (FRG)
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Distribution and abundance of skates (Bathyraja spp.) on the Kerguelen Plateau through the lens of the toothfish fisheries
fisheries, and the mackerel icefish (Champsocephalus gunnari) trawl fishery on the Kerguelen Plateau (KP) in ... the southern Indian Ocean. Data from fishery observations for 1997 to 2014 shows that the three skates ... were widely distributed across the Kerguelen Plateau, showing different spatial distributions, linked ... mainly with depth. Off Heard Island and McDonald Islands (HIMI), in the southern part of the KP, B ...
Meeting Document : WG-FSA-16/P03 : Autor(es): G.B. Nowara, P. Burch, N. Gasco, D.C. Welsford, T.D. Lamb, C. Chazeau, G. Duhamel, P. Pruvost, S. Wotherspoon and S.G. Candy
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STRUCTURE OF THE WATER MASSES AND KRILL DISTRIBUTION IN THE CENTRAL AND EASTERN PARTS OF THE ATLANTIC ANTARCTIC AREA
Abstract: The data of 18 expeditions fulfilled by AtlantNIRO during 1970-2000 in the central and ... eastern part of the Area 48 (Subareas 48.4 and 48.6) were summarized. Distribution of krill was analyzed ... with reference to the structure and dynamics of the water masses in the area of the Southern Sandwich ... Islands arc, the Bouveau Island, the Maude seamount, the southern part of the Lazarev Sea and up to the ...
Meeting Document : WG-EMM-11/24 : Autor(es): V.N. Shnar and S.M. Kasatkina (Russia)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
Abstract: We present a model at the level of the foraging trip for the effects of a fishery on ... krill (Euphausia superba) predators, using the Adelie penguin (Pygoscelis adeliae) as a model organism ... . The model involves: (i) the description of the biomass and spatial distribution of krill; (ii) the ... effects of the fishery on the krill; (iii) the description of penguin breeding; and (iv) the indirect ...
Meeting Document : WG-EMM-98/48 : Autor(es): M. Mangel and P.V. Switzer (USA)
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
Abstract: Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... 1975/76 fishing has been mostly directed to the icefish Champsocephalus gunnari. and to a lesser extent ... tonnes in 1976/77-1977/78, 1982/83-1983/84 and 1986/87-1987/88. N. rossii marmorata is the species most ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Autor(es): Delegation of Federal Republic of Germany
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THE ROSS SEA ANTARCTIC TOOTHFISH FISHERY: REVIEW OF THE 3-YEAR EXPERIMENT AND DEVELOPMENT OF MEDIUM-TERM RESEARCH OBJECTIVES AND AN OPERATIONAL FRAMEWORK FOR THE FISHERY
Abstract: The aim of this paper is to review the recent management of the Ross Sea toothfish ... fishery (including the 3-year experiment), to identify key operational and research objectives for the ... fishery over the next 5–7 years in relation to Article II of the Convention, and to develop an operational ... framework to achieve those objectives. The paper focuses primarily on Antarctic toothfish, as catches of ...
Meeting Document : WG-FSA-08/50 : Autor(es): Delegation of New Zealand
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
Abstract: This paper reviews the data used to estimate the abundance of juvenile Dissostichus ... eleginoides in Division 58.5.2 and examines the sensitivity of the assessment of yield to these results ... . Primarily, it is proposed to revise the use of historical survey data by reassigning them to the strata ... established in 2003. In addition, the sensitivity of the estimates of abundance to the latest length-at-age ...
Meeting Document : WG-FSA-SAM-06/15 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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The three-frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba and Euphausia crystallorophias)
their length is described. The approach is in fact an outgrowth from both the fluid sphere and Bayes ... rule methodologies. This paper explores applications of the multi-frequency method using data from ... three expeditions to the Ross Sea (1980-90; 1997-98 and 1999-2000), where the environmental conditions ... , the sampled areas, the instrumental and the sampling strategies varied. First, on the basis of the ...
Meeting Document : WG-EMM-02/37 : Autor(es): M. Azzali, G. Lanciani and I. Leonori (Italy)
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Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish
Abstract: More than 30 expeditions have surveyed the Kerguelen Plateau over the last 80 years ... initiated by Arnaud, Délepine, Hureau and Rannou. Sampling was done mainly close to the coast, and in ... limited areas. However, they collected numerous specimens and led to a first estimate of the local ... biological diversity. The richest cruises for the quantity of benthos collected are MD03 and MD04 (1974 and ...
Meeting Document : WS-MPA-11/09 : Autor(es): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
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Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)
Abstract: The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ... Heard and McDonald Islands (Division 58.5.2) was updated from WG-FSA-09/20. The main change other than ... updating total removals by sub-fishery and updating catch-at-age and catch-at-length proportions was the ... and 2009 RSTS abundance-at-length to abundance-at-age. This was possible due to the large number of ...
Meeting Document : WG-FSA-11/24 : Autor(es): S.G. Candy and D.C. Welsford (Australia)