Résultats de la recherche
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Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)
Abstract: Net samples data from the 15th Italian Antarctic Oceanographic Cruise (Jan-Feb 2000 ... ) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... , in the area north of Continental Shelf, was 9.3 g/1000m3 of filtered water with a mean density of ...
Meeting Document : WG-EMM-02/32 Text : Auteur(s): A. Sala, M. Azzali and A. Russo (Italy)
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Trawl survey of the Patagonian toothfish (Dissostichus eleginoides) resource off the Prince Edward Islands
Abstract: A bottom trawl survey was conducted in the northern half of the South African EEZ ... around the Prince Edward Islands in April 2001. Due to the paucity of bathymetric data, it was not ... study to ascertain the feasibility of conducting future trawl surveys, and to collect relevant data to ... aid in the design of such surveys should they be deemed practical. The maximum operating depth for the ...
Meeting Document : WG-FSA-01/72 : Auteur(s): R.W. Leslie and B.P. Watkins (South Africa)
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Abstract: Finfishing started in the Southern Ocean more than 30 years ago at South Georgia and ... Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... ;s. However, South Georgia and the Kerguelen Islands remained the most important fishing grounds ... until 1996/97 when the longline fisheries for Dissostichus eleginoides spread over most of the Southern ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Auteur(s): Delegation of Germany
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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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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