Résultats de la recherche
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Examination of the gut contents of Patagonian toothfish (Dissostichus eleginoides) from the toothfish pot fishery trials around South Georgia
Abstract: To undertake the 'ecosystem approach' to fisheries management recommended by ... CCAMLR, an understanding of the trophic relationships of exploited species is vital. Toothfish ... , (Dissostichus eleginoides), represents an important target species for fisheries not only in the study area ... around South Georgia (CCAMLR Sub-area 48.3), but also in other CCAMLR areas. To improve the knowledge on ...
Meeting Document : WG-FSA-00/25 : Auteur(s): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)
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Finfish by-catch in the krill fishery for the 2010 and 2011 seasons
Abstract: The fish sampling protocol (K12 form) was developed to ensure that small/larval fish ... -sampling approach that allows the user to re-sort smaller samples and maximises potential to detect by ... -catch. This paper uses data collected using the fish sampling protocol (K12) during 2010 and 2011 in ... order to estimate finfish by-catch in the krill fishery. The information regarding by-catch of finfish ...
Meeting Document : WG-FSA-11/05 : Auteur(s): Secretariat
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Report on the results of exploratory research fishing for crabs in Subarea 48.2 on board FV Tamango in the 2009/10 season
, 8, 2010. Three areas were explored during the voyage: Patagonian shelf (Statistic Subarea 41.3.1 ... ), South Orkney Islands shelf (CCAMLR Subarea 48.2) and the North Scotia Ridge. Exploratory pot-line survey ... revealed no commercial concentrations of crabs on the South Orkney Islands shelf. However, commercial ... concentrations of king crabs were encountered in the area adjacent to CCAMLR area, on the North Scotia Ridge, at ...
Meeting Document : WG-SAM-11/19 : Auteur(s): V.A. Bizikov and S.E. Anosov (Russia)
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... tagged D. mawsoni were recaptured in the first season. 3. Macrourids and rajids dominated finfish bycatch ...
Meeting Document : WG-FSA-09/18 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)
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Course of fisheries in the Lena Bank area (Division 58.4.4) in the season of 1990-91
Abstract: In the season of 1990/1991, fishing operations in subarea 58.4.4. (Lena Bank) wer4e ... carried out by only one vessel- RTMA ZVEZDA KRYMA in April-June 1991. The total harvest in that period ... eleginoides. The real catch excels the data in the Statistical Bulletin… nearly two-fold. In this connection ... it is necessary to update the relevant documents. The size-age composition of catches did not suffer ...
Meeting Document : WG-FSA-94/07 : Auteur(s): A.K. Zaitsev (Ukraine)
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Can the length composition of krill in predator diets provide information on the age-dependence of krill natural mortality?
Abstract: A method is put forward which estimates the proportions by which the annual consumption ... of krill is split between predator species. This method uses data on the length distribution of krill ... from predator stomachs. The proportions estimated depend, through the krill yield model, on the ... schedule to be drawn by comparing the proportions which it predicts to independent estimates based on ...
Meeting Document : WG-EMM-95/40 : Auteur(s): Thomson, R.B., Butterworth, D.S.
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An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari) harvest control rule as applied within CCAMLR Subarea 48.3
Abstract: A retrospective analysis and sensitivity evaluation of the performance of the CCAMLR ... harvest control rule for the mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 are described. The ... review indicates that the approach is providing consistent, precautionary estimates of future biomass and ... potential catches. As required to conform to the CCAMLR objectives the harvest control rule generates low ...
Meeting Document : WG-SAM-13/31 Rev. 1 : Auteur(s): C. Darby, T. Earl and H. Peat (United Kingdom)
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A summary of scientific observer deployments and data collection in the krill fishery during the 2011, 2012 and 2013 seasons
Abstract: The level of observer coverage in the krill fishery and the scientific sampling ... undertaken are summarised. During 2012 all 12 of the vessels that participated in the krill fishery carried ... ‘days’. Krill length-frequency distributions showed that the greatest variability in size structure ... occurred in subarea 48.1 during 2012 when fishing occurred both in Bransfield Strait and to the west of ...
Meeting Document : WG-EMM-13/38 : Auteur(s): CCAMLR Secretariat
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Results of a scientific electronic monitoring pilot study on the FV Janas during the 2017/18 Ross Sea fishing season
Abstract: During the 2017/2018 toothfish season in the Ross Sea, the New Zealand flagged Janas ... trialled a scientific electronic monitoring system during fishing operations in the Ross Sea region. The ... integrated system collected video data from three cameras (two at the starboard hauling area and one at the ... fishing activities. The trial showed that 1) the systems performed well in Antarctic conditions, 2) video ...
Meeting Document : WG-SAM-18/20 : Auteur(s): B. Plum, A. Smith and S. Parker
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Patagonian toothfish in the South Indian Ocean outside CCAMLR waters: a preliminary analysis of the SIOFA Patagonian toothfish population
Abstract: A descriptive analysis of the Patagonian toothfish (Dissostichus eleginoides ... and May 2019, in international waters of the South Indian Ocean within the FAO areas 51.7 and 57.4 ... managed by SIOFA, adjacent to the Commission for the Conservation of Antarctic Marine Resources (CCAMLR ... ) convention area is provided in this paper. Different approaches have been made to define the TOP population ...
Meeting Document : WG-FSA-2019/45 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro