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Estimating prey consumption of the non-breeder component of an Adélie penguin population
Abstract: Estimating the consumption of prey by higher-order predators is a priority for WG-EMM ... Southern Ocean. Previous assessments of prey consumption for seabirds have focussed on breeders using data ... recorded at the breeding colonies. However, recent work suggests that the size of the non-breeder component ... of an Adélie penguin population can be substantial compared with the size of the breeder population ...
Meeting Document : WG-EMM-17/12 : Автор(ы): L. Emmerson and C. Southwell
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Feeding habits and prey consumption of Antarctic minke whale Balaenoptera bonaerensis in the Indo–Pacific region of the Southern Ocean
species in the Southern Ocean. Quantitative information on prey consumption of whales is useful to ... understand their feeding ecology and role in the Antarctic marine ecosystem. The purposes of this study were ... 1) to investigate the feeding habits of Antarctic minke whales based on information on prey species ... in stomach contents, and 2) to estimate the amount of prey consumed by whales, accounting for some ...
Meeting Document : WG-EMM-17/14 : Автор(ы): T. Tamura
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Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
order to collect information for the stock status and biology of toothfish in the southeast sector (24 ... allocated hauls) of Division 58.4.3b (BANZARE Bank), using a commercial bottom longline vessel Shinsei Maru ... released alive) of Dissostichus spp. and other bycatch species was 12.0 tonnes in the SE sector, where the ... catch limit of 15 tonnes was set. Dissostichus spp. made up 90.3 % in terms of weight of the whole fish ...
Meeting Document : WG-SAM-11/05 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)
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Genetic structuring of Patagonian toothfish populations in the southwest Atlantic Ocean: the effect of the Antarctic Polar Front and deep-water troughs as barriers to genetic exchange
species with potential for high dispersal are of great interest, not only from an evolutionary standpoint ... differentiation among populations of the Patagonian toothfish around the Southern Ocean, indicating breakdown of ... structuring through analysis of microsatellite loci and restriction fragment length poymorphism (RFLP) of the ... mitochondrial ND2 gene and control region of the toothfish population in the SW Atlantic, allowing examination ...
Meeting Document : WG-FSA-04/21 : Автор(ы): P.W. Shaw, A.I. Arkhipkin and H. Al-Khairulla (United Kingdom)
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Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise
Abstract: A multi-disciplinary research cruise in the Atlantic sector of the Southern Ocean was ... conducted during the 2004 austral winter as part of the International Collaborative Expedition to collect ... included demersal finfish, benthic invertebrates, and information of seafloor composition. The objectives ... of the cruise included Antarctic fish and invertebrate biochemical, molecular and physiological ...
Meeting Document : WG-FSA-04/61 : Автор(ы): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)
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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
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 ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ...
Meeting Document : WG-FSA-04/76 : Автор(ы): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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Influence of sampling protocol on diet determination of gentoo penguins, Pygoscelis papua and Antarctic fur seals, Arctocephalus gazella
Abstract: The influence of two sampling protocols on diet determination of two marine predators ... . The collection of diet samples on three occasions over a two week period was compared with collecting ... in the mass of food recovered from penguins were found but this was attributed to the mass of penguin ... significant determinant of the mean length of krill Euphausia superba recovered from penguins, there were no ...
Meeting Document : WG-EMM-99/29 : Автор(ы): S.D. Berrow, R.I. Taylor and A. Murray (United Kingdom)
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
Abstract: Stocks of finfish around the South Orkney Islands (Subarea 48.2) suffered substantial ... trawl surveys of finfish biomass within the 500 m isobath of the South Orkney Islands have been ... conducted by the Federal Republic of Germany in 1985, Spain in 1991, and the United States in 1999 ... . Estimates of total stock biomass were computed for eight species that comprised 98% of survey nominal catch ...
Meeting Document : WG-FSA-99/32 : Автор(ы): C.D. Jones (USA), K.-H. Kock (Germany) and E. Balguerías (Spain)
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Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season
Abstract: In accordance with decision of SC-CCAMLR in 2010, the Russian Federation conducted ... been made, the total number of exposed hooks being 87,096. The research program covered SSRU B, C, and ... D of Subarea 88.3. In SSRU A longlines were not investigated because ice conditions were difficult ... . All toothfish catches and by-catch were subjected to biological analysis. 30 toothfish individuals of ...
Meeting Document : WG-FSA-11/36 : Автор(ы): Delegation of Russia
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A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.
Abstract: We used Foosa and the reference set of parameterizations developed by Watters et al ... . Implementation of Fishing Option 2 (using the subdivisions reported here) will require that the fishery mostly ... operate in pelagic SSMUs. Up to harvest rates of 0.5 x γ, this subdivision is unlikely to reduce predator ... populations to 75% or less of the abundances that might occur in the absence of fishing; the risks of such ...
Meeting Document : WG-EMM-08/30 : Автор(ы): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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