Search results
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Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey
Abstract: Antarctic krill (Euphausia superba Dana) is a key species in the Southern Ocean ... fisheries. In this paper, using the multi-frequency acoustic data and the fishery data, the relationship ... higher than average catch of night trawls. The average thickness of krill swarm in the daytime was ... that at night, with the maximum NASC between 160 and 180 m in depth. Both CPUA and CPUE at the ...
Meeting Document : WG-EMM-17/44 : Author(s): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu
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Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
examined Sr:Ca ratio of otolith section for E. carlsbergi from nucleus region to edge and validated ... in 1990s, however, the habitat shift of this species was still unclear. The present study examined Sr:Ca ...
Meeting Document : WG-FSA-17/65 : Author(s): L. Wei and G.P. Zhu
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Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions
Abstract: Predator data and exploratory fishing in the Scotia Sea have revealed the presence of ... cephalopod stocks in the Antarctic Polar Frontal Zone (PFZ). This is a vast, remote region where large ... monitor foraging at sea in January-March 1994. A foraging area at the PFZ, north of South Georgia, was ... RMT25 sampled 200 m layers to 1000 m in daylight and darkness. Cephalopods were simultaneously recovered ...
Meeting Document : WG-EMM-96/12 : Author(s): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.
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Development of a five-year work plan for the CCAMLR Scientific Committee
Committee should be developed for consideration by the Scientific Committee in 2017 (SC-CAMLR-XXXV ... the first stage in the development of the five-year work plan and draws on recommendations arising ... from SC-CAMLR-XXV and the 2016 Scientific Committee symposium (SC-CAMLR-XXXV/12). In particular, the ... are as follows: Target Stock- Assessments to estimate sustainable yield in established/assessed ...
Meeting Document : WG-EMM-17/02 : Author(s): M. Belchier (Chair of SC-CAMLR)
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Monitoring and managing the effects of environmental change on toothfish assessments
CCAMLR’s fishery reports may be revised to include a new section on changes in model parameters and ... environmental variability and change. We note that causal relationships between observed changes in stock ... consideration of changes in biological parameters and work to understand the impact of these changes on yield ... assessment would reduce uncertainty in management advice. The parameters that could be evaluated to for the ...
Meeting Document : WG-SAM-18/22 : Author(s): M. Pinkerton, A. Dunn, S. Mormede and S. Parker
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Krill fisheries
Antarctic krill (Euphausia superba) may be taken in the Southern Ocean in Subareas 48.1 to 48.4 ... , Subarea 48.6 and Divisions 58.4.1 and 58.4.2. Fishing vessels operate midwater trawls and beam trawls in ... alongside the vessels. The fisheries in Subareas 48.1 to 48.4, and Divisions 58.4.1 and 58.4.2 are ... established fisheries, and the fishery in Subarea 48.6 is an exploratory fishery. However, fishing is ...
Page : Site Section: Fisheries
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Informing the Working Group on Fish Stock Assessment about the revisions of the WSMPA proposal
in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... coast of the Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in Statistical ... toothfish; Establishment of scientific reference areas in Statistical Subarea 48.6 for monitoring the ... -18 as regards the establishment (number, location and size) of unfished scientific reference areas in ...
Meeting Document : WG-FSA-18/08 Rev. 1 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team
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Data collection and sharing
expanded so as to meet anticipated needs. The increase in fishing activities that is expected during the ... tasks need to be considered in the light of the resources allocated to them by the Commission. SC (2008 ... Reports. Scientific Committee – In progress – staged implementation of the recommendations of the 2011 ... mechanisms for capacity building and cooperative programs, particularly for Developing States, in order to ...
Page : Site Section: The Organisation
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Brief report on scientific observation on the fishery vessel Mellas (FAO Statistical Area 41, January to July 2006)
Abstract: Materials on results of scientific observation in fishery cruise on the longliner ... “Mellas”, operating under the Ukrainian flag in FAO statistical area 41 in the southwest Atlantic outside ... ) fisheries are submitted. The data on volume of the biological material collected in the cruise, the data on ...
Meeting Document : WG-FSA-06/13 : Author(s): S. Usachev (Ukraine)
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Krill conversion factors
of different krill products are examined and a range of values produced. These are broadly in line ... with those currently in use although the differences are such that use of the traditional factors may ... practice in the fishery, if it is then the use of any of the conversion factors will result in a serious ...
Meeting Document : WG-EMM-01/39 : Author(s): I. Everson (United Kingdom)