Résultats de la recherche
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
range of sensitivity analysis for the assessment based on deliberations at WG-FSA 2003 with respect to ... Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides,was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ...
Meeting Document : WG-FSA-04/76 : Auteur(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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Depletion experiment of Dissostichus eleginoides stock in the south of South Georgia Island (Antarctica)
Abstract: Ten hauling for Dissostichus eleginoides were performed from the 11lth to the 21 of ... April 1994, wich were related between them, when they contact within a circle of 10 nm of diameter ... , whose center was at 55° 03’ S 36° 53’ W. Leslie Method was applied to the data. initial biomass was ... projected to 3244.8 nm2, obtaining an estimated biomass of 937.8 ton. Due to statistical limitations of ...
Meeting Document : WG-FSA-94/31 : Auteur(s): P. Rubilar, C.A. Moreno (Chile) and J. Ashford (United Kingdom)
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Stock assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Kerguelen Islands (Division 58.5.1) after the 2010 POKER Biomass survey
Abstract: In 2010, POKER Biomass survey was undertaken at Kerguelen Islands (Division 58.5.1) to ... collect information of all the fish species including the mackerel icefish, Champsocephalus gunnari. Data ... from this random stratified trawl survey, added to the previous results of 2006, was used for a short ... term assessment of C. gunnari on Kerguelen EEZ. The standard CCAMLR methods were used to provide ...
Meeting Document : WG-FSA-12/16 Rev. 1 : Auteur(s): R. Sinegre and G. Duhamel (France)
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Stock assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Kerguelen Islands (Division 58.5.1) after the 2017 Poker Biomass survey
Abstract: In 2017, a bottom trawl survey (PoKer 4) was undertaken at Kerguelen Islands (Division ... 58.5.1) to collect information about the size distribution and the biomass status of mackerel icefish ... , Champsocephalus gunnari. Data from this random stratified trawl survey was used for a short term assessment of C ... of 3081 t is recommended for 2017/2018 and 2753 t for 2018/2019. Author(s): R. Sinegre and G ...
Meeting Document : WG-FSA-17/63 : Auteur(s): R. Sinegre and G. Duhamel
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The Use of Penguin Stomachal Contents for the Simultaneous Study of Prey and Predator Parameters
assumptions made in the analysis of data. Nested designs are proposed as the correct approach because lack of ... independence between krill found in the stomach of a given penguin prevents the pooling of krill lengths from ... different samples. Samples taken at Bahía Esperanza are used to illustrate the different approaches. A ... highly significant linear regression between krill size and time was found. Full use of the information ...
Meeting Document : WG-CEMP-89/16 : Auteur(s): E. Marschoff and B. González (Argentina)
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Distribution and biological characteristics of two toothfish species of genus Dissostichus (family Nototheniidae) off Bouvet Island
crossover point at depth of 1300 m. For both species the size and weight compositions were studied; indices ... ) toothfish, were registered during the fishery on Dissosyichus spp. on the shelf edge and slope of Bouvet ... surrounding the island. The vertical distribution of two species was differentiated distinctly, with the ... of stomach fullness and qualitative diet composition as well as maturation stages of gonads and their ...
Meeting Document : WG-FSA-11/17 : Auteur(s): A.F. Petrov (Russia)
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2007 krill biomass update of the South Shetland and Elephant Island regions of Area 48
Abstract: Antarctic krill biomass trends in the South Shetland Island region of Area 48 are ... 2007), acoustic biomass estimates previously presented at the 2006 WG-EMM meeting in Namibia (WG-EMM-06 ... from Author(s): C.S. Reiss and A.M. Cossio (USA) Title: 2007 krill biomass update of the South ... Shetland and Elephant Island regions of Area 48 Approval: Approved ...
Meeting Document : WG-EMM-07/31 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)
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Population dynamics of the wandering albatross (Diomedea exulans) on Macquarie Island and the effects of mortality from longline fishing
increased from 17 in 1956 to a maximum of 97 in 1966, and then declined at an average rate of 8.1% per year ... Abstract: The estimated breeding population of wandering albatrosses on Macquarie Island ... emigration). The decline is correlated with the onset of large-scale fishing for tuna in the southern ... hemisphere using longlines. The effect of longline mortality on the population dynamics of the wandering ...
Meeting Document : WG-IMALF-94/07 : Auteur(s): William K. de la Mare and Knowles R. Kerry (Australia)
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Sensitivities in the assessment of the Patagonian toothfish (D. eleginoides) in Subareas 48.3 and 48.4 to truncation of tagging data
Abstract: The assessment of toothfish in CCAMLR subarea 48.3 currently uses the first four years ... of tag recaptures post release as input data, whereas the assessment in subarea 48.4 uses all ... available recapture data (excluding in-year recaptures). A theoretical analysis of the use of data from ... double-tagged recaptures suggests that including recaptures from fish at liberty for long periods will ...
Meeting Document : WG-SAM-17/35 : Auteur(s): T. Earl
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THE HISTOLOGICAL ANALYSIS OF OOGENESIS AND MATURITY OF ANTARCTIC TOOTHFISH FROM THE ROSS SEA
toothfish oogenesis have been determined. At the maturing of toothfish, ovaries from the stages III to IV ... Abstract: The results of the histological analysis of the Antarctic toothfish (Dissostichus ... morphological parameters, indices of gonads and condition by Fulton have been described. The histological ... criteria of the assessment of the ovary maturity stages, cytological parameters of oocytes and type of the ...
Meeting Document : WG-FSA-09/26 : Auteur(s): S.V. Piyanova and A.F. Petrov (Russia)