Search results
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Examination of the characteristics of the fishery for Dissostichus eleginoides in the CCAMLR Statistical Subarea 48.3 and its implications on estimating trends in catch per unit effort
Abstract: We investigate the spatial and temporal (i.e. fishing season) variation both systematic ... and random in haul-by-haul catch and effort data from the longline fishery for Dissostichus ... eleginoides in Subarea 48.3. We concentrate on presenting the results of preliminary work on the potential ... effects of changing fishing patterns on the standardisation of the CPUE time series. We consider whether ...
Meeting Document : WG-FSA-SAM-05/17 : Author(s): A.J. Constable, S.G. Candy and B. Raymond (Australia)
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... Island (division 58.5.1 of the CCAMLR) was undertaken with the modeling software CASAL, using different ... statistical and biological datasets: abundance estimation from the POKER 1 and 2 scientific cruises, catch per ... unit effort of the commercial fishery, tagging survey, sample size frequencies… CASAL is a simple ...
Meeting Document : WG-FSA-11/28 : Author(s): A. Relot-Stirnemann (France)
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 ... to 48.4, and current knowledge about the state of the regional krill stock. The revisions provide a ... new, precautionary assessment of exploitation rate in this fishery. The effective regional catch limit ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2018 – Reflection on the recommendations by WG-EMM-17 and SC-CAMLR-XXXVI
Abstract: The CAMLR Scientific Committee in 2017 reviewed the scientific background document SC ... -CAMLR-XXXVI/BG/28. Germany was asked to carry out further work, in particular as regards the issues ... raised at WG-EMM-17 and SC-CAMLR-XXXVI (SC-CAMLR-XXXVI, Annex 6, §§ 5.1-5.14). The implementation of ... recommendations and questions raised by WG-EMM-17 and SC-CAMLR-XXXVI was already presented at the Workshop of ...
Meeting Document : SC-CAMLR-XXXVII/BG/15 : Author(s): Delegation of Germany
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Report on attendance at the Third Meeting of the Committee for Environmental Protection Under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Third Meeting of ... Committee for Environmental Protection (CEP-III) under the Madrid Protocol. The most important issues of ... relevance to CCAMLR are: (a) CCAMLR has been requested to table a report at the next CEP meeting on marine ... debris, especially in relation to compliance with Protocol Annex IV; (b) SC-CAMLR should consider the ...
Meeting Document : SC-CAMLR-XIX/BG/17 : Author(s): Chair of the CCAMLR Scientific Committee
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A balanced trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
Abstract: We report on the development of a mass balanced carbon-budget trophic model of the Ross ... Sea with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). A ... survey of the available literature provided an initial set of parameters describing the abundance ... (diets, predators) for major groups of biota. We also estimated the level of uncertainty on these ...
Meeting Document : WG-EMM-07/18 : Author(s): M.H. Pinkerton, S.M. Hanchet and J. Bradford-Grieve (New Zealand)
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
Abstract: This paper reviews the allocation of historical survey data to the new strata and the ... implications of this review to estimating the abundance of juvenile fish using CMIX. In addition, the paper ... examines how the latest length-at-age model for Dissostichus eleginoides (Patagonian toothfish) in 58.5.2 ... could affect the estimates of juvenile abundance. Model estimates were best incorporating the ...
Meeting Document : WG-FSA-06/44 Rev. 1 : Author(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Horizontal flux of secondary production in the southern ocean food web: current velocity data and the transport of krill in the South Georgia ecosystem
Abstract: The transport of secondary production in the Southern Ocean food-web was investigated ... using a combination of physical model data and ship based biological data. The physical current velocity ... dataset was from FRAM and was used to derive a mean velocity field for the upper 250m of the water column ... . These have been combined with estimates of krill density and standing stocks to consider the flux of ...
Meeting Document : WG-EMM-97/65 : Author(s): Everson, I.E., Trathan, P.N., Murphy, E.J.
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The Antarctic toothfish Dissostichus mawsoni (Nototeniidae) nutrition in the Ross Sea during the fishing season 2011/12
Abstract: During fishing trip of F/V «Jung Woo 3» (Republic of Korea) in the Ross Sea over 29 ... species were found in the stomachs of the Antarctic toothfish. The main forage organisms for the toothfish ... were Macrourus whitsoni, fish of the family Channichthyidae, mainly Chionobathyscus dewitti, and squid ... , including Psychroteuthis glacialis. Fish of the family Nototheniidae, mainly Trematomus loennbergi, were ...
Meeting Document : WG-FSA-12/06 : Author(s): Yu.V. Korzun and N.A. Misar (Ukraine)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
Abstract: The CAMLR Scientific Committee in 2016 reviewed three scientific background documents ... in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out ... further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV. Here ... , the authors intend to update the CCAMLR Working Groups on the current state of the work carried out ...
Meeting Document : WG-SAM-17/30 : Author(s): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team