Resultados de la búsqueda
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Biological acoustic survey in the marginal ice edge zone of the Bellingshausen Sea
Bellingshausen Sea from 23 November to 7 December 1992 as part of the UK Joint Global Ocean Flux Study (JGOFS ... ) Southern Ocean investigations (TuRNER and OWENS, 1995). A total of 285 targets were identified and ... described from the chart record of the echo sounder. Mean Volume Backscattering Strength data were collected ... of krill (Euphausia superba) distribution and biomass in the marginal ice edge zone. Krill biomass ...
Meeting Document : WG-Krill-94/32 : Autor(es): A.W.A. Murray, J.L. Watkins and D.G. Bone (United Kingdom)
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Modelling crustacean fisheries: effects of parasites on management strategies
Abstract: The reproductive performance of commercially important crustaceans may be considerably ... dynamics of both host and parasite. For a certain spatial scale, recruitment to a population may be " ... ;open" or "closed" depending on the behavior of planktonic larvae, the duration of these ... planktonic stages, and the flush rate of the environment of the adult host. Both hosts and parasites may have ...
Meeting Document : WS-CRAB-93/09 : Autor(es): A.M. Kuris and K.D. Lafferty (USA)
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A guideline for collection, analysing and preparation of report on material collected by a biologist-observer on board a commercial trawler (Draft)
Abstract: Main outlines of E. superba material collection (sampling from commercial catches) and ... positions of samples examination are reviewed and described. These positions include mass-measuring of body ... length, examination of maturity stages composition (biological analysis), feeding activity observation ... and body weight determination. Periodicity of sampling and volume of samples for every position of ...
Meeting Document : WG-KRILL-92/10 : Autor(es): V.I. Latogursky and R.R. Makarov (Russia)
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Target strength estimation of Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers
Abstract: An estimate of target strength of Antarctic krill, Euphausia superba was obtained by a ... series of cooperative experiments between research vessel and commercial krill trawler. Estimated target ... strength per 1g wet weight of Antarctic krill was-66.ldB a t the frequency of 200kHz. Average size of krill ... was 47.48mm and 0.873g. Author(s): Delegation of Japan Title: Target strength estimation of ...
Meeting Document : SC-CAMLR-VIII/BG/30 : Autor(es): Delegation of Japan
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Review of skate (Rajiformes) by-catch in CCAMLR toothfish fisheries
Abstract: Available data on the by-catch of Rajiformes was extracted from the CCAMLR database ... biological data was broadly consistent with current literature although there were indications of larger ... spatial ranges for some species. The data collected as part of CCAMLR fisheries represents a very ... substantial repository of information on Southern Ocean Rajiformes; realising the full potential of this data ...
Meeting Document : WG-FSA-14/12 : Autor(es): Secretariat
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Designation of Marine Protected Areas in Antarctic Waters
Abstract: Over the last few years, the designation of Marine Protected Areas (MPA) in Antarctica ... has been the subject of active discussion. This issue was widely discussed at the last meeting of the ... CCAMLR Working Group on Ecosystem Monitoring (WG-EMM-12); it has been the subject of voluminous documents ... prepared by CCAMLR Members, and also workshop reports of the Antarctic and Southern Ocean Coalition (ASOC ...
Meeting Document : CCAMLR-XXXIV/BG/29 : Autor(es): Delegation of the Russian Federation
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Lipid metabolism features of Antarctic toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: Lipid metabolism and indices of oxidation processes obtained during examination of ... specimens of Antarctic toothfish Dissostichus mawsoni (Perciformes: Nototheniidae) caught in the Ross Sea ... are given. Blood plasma, tissues mesonephric kidney, liver and spleen were studied for the content of ... total lipids and lipid composition, products of lipid peroxidation and level of antioxidant protection ...
Meeting Document : WG-EMM-16/25 : Autor(es): I.I. Gordeev, D.V. Mikryakov, N.I. Silkina and A.S. Sokolova
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Annual report of global toothfish trade data
sources for the trade of toothfish products for the 2017 calendar year. The analysis has identified that ... the forms with mean unit values of 22.30 US$/kg for imports and 18.85 US$/kg for exports. The data ... identified the largest importer was the United States of America (USA), accounting for 54.01% of the global ... import market. The largest exporter was Mauritius accounting for 20.93% of global export market ...
Meeting Document : CCAMLR-XXXVII/BG/08 Rev. 1 : Autor(es): CCAMLR Secretariat
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Krill faecal pellets drive hidden pulses of particulate organic carbon in the marginal ice zone
Abstract: The biological carbon pump drives a flux of particulate organic carbon (POC) through ... the ocean and affects atmospheric levels of carbon dioxide. Short term, episodic flux events are hard ... estimates. We model the potential hidden flux of POC originating from Antarctic krill, whose swarming ... behaviour could result in a major conduit of carbon to depth through their rapid exploitation of ...
Meeting Document : WG-EMM-2019/P01 : Autor(es): A. Belcher, S.A. Henson, C. Manno, S.L. Hill, A. Atkinson, S.E. Thorpe, P. Fretwell, L. Ireland and G.A. Tarling
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Trade data analysis – Annual report of global toothfish trade data
sources for the trade of toothfish products for the 2018 calendar year. The analysis has identified that ... forms with mean unit values of 24.03 US$/kg for imports and 23.40 US$/kg for exports. The data ... identified the largest importer was the United States of America (USA), accounting for 36.50% of the global ... import market. The largest exporter was Chile accounting for 17.90% of the global export market ...
Meeting Document : CCAMLR-38/BG/09 : Autor(es): CCAMLR Secretariat