Résultats de la recherche
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Preliminary report on the South Sandwich Island research cruise by RRS Discovery (DY098) in January-February 2019
Abstract: This paper describes the structure and preliminary results of the research cruise to ... investigate the marine pelagic ecosystem around the South Sandwich Islands in the austral summer of 2019. The ... research cruise consisted of a large scale acoustic survey, following track lines established during the ... CCAMLR 2000 acoustic survey of Antarctic krill. Conductivity-Temperature-Depth (CTD) stations and net ...
Meeting Document : WG-EMM-2019/78 : Auteur(s): S. Fielding, C. Manno, G. Stowasser, B. Apeland, D. Ashurst, A. Ariza, M. Baines, L. Cornwell, A.B. Hulbert, K.R. Jones-Williams, C. Lacey, E.G. Langan, E.D. McRae, F.A. Perry, S. Pinder, E.J. Rowlands, F. Saccomandi, C. Silverstri, M.E.S. Sørensen, A. Slomska, J. Jackson, E.J Murphy, M. Reichelt, S. Thorpe, P. Trathan and G. Tarling
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Draft Research and Monitoring Plan for the South Orkney Islands Southern Shelf Marine Protected Area (MPA Planning Domain 1, Subarea 48.2)
Islands Southern Shelf MPA, with the aim of further harmonizing CM 91-03 and CM 91-04. The draft RMP is ... /09). It aims to address the requirements of CM 91-04, and takes account of general principles from ... discussions on the development of RMPs. The plan outlines research and monitoring topics relevant to specific ... MPA objectives. A project list and a list of baseline data relevant to the designation and review of ...
Meeting Document : WG-EMM-2019/31 : Auteur(s): S.M. Grant and P.N. Trathan
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La règle de décision de la CCAMLR, ses qualités et ses faiblesses
ecosystem-based fisheries management, the implications of climate change should be considered by its working ... groups. The robustness of CCAMLR’s tothfish management protocol, based on the Decision Rule, is evaluated ... precautionary, as is appropriate for the management of deep-water Antarctic species and is shown to be robust to ... changes in the fishery- stock interactions. However, the robustness of the Decision Rule, to potential ...
Meeting Document : SC-CAMLR-38/15 : Auteur(s): Delegation of the United Kingdom
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Procédure d'estimation des captures par périodes de deux heures sur les navires de pêche au krill en continu et proposition visant à annexer la description de la procédure à la MC 21-03
Abstract: With reference to comments from WG-EMM 2019, further explanation is provided of the ... catches using a distribution of the estimated two-hour catches derived from holding tank volumes and ... weights accumulated during successive two-hour intervals. The method is a combination of two methods ... additional explanation of the procedure and illustrates the daily records kept by the vessels, as of July ...
Meeting Document : SC-CAMLR-38/19 : Auteur(s): O.A. Bergstad
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Stream lines in the FRAM velocity field: speeds and directions from passive tracers
Abstract: A single time realisation of the FRAM model has been used to obtain trajectories of ... passive tracers. This note presents some of the analyses to provide background information on the ... potential transfers of krill in the Scotia Sea. More detailed presentation of the stream lines in the South ...
Meeting Document : WS-Flux-94/09 : Auteur(s): E.J. Murphy (United Kingdom)
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Proposal for further trials aimed at reducing Macrourus spp. by catch on autoliners targeting D. eleginoides with longlines around South Georgia
Abstract: IW longlines are effective in reducing the bycatch of birds in toothfish fisheries, but ... by putting the line closer to the seabed they increase the bycatch of macrourids and rajids ... . Experiments reported elsewhere demonstrate that some of this effect can be mitigated by the use of fish rather ... . All systems will have sink rates of at least 0.3 m.s-1. Comments on the experimental protocol are ...
Meeting Document : WG-FSA-07/30 : Auteur(s): Delegation of the United Kingdom
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Bioregionalisation: some key questions and considerations
requirements of resolution and scale. This discussion paper outlines some key questions and considerations ... Abstract: Bioregionalisation is a process to classify data on a range of environmental ... for conservation and sustainable resource use. The success of this process will be dependent on ... must address a range of technical questions relating to the development and use of appropriate methods ...
Meeting Document : WS-BSO-07/11 : Auteur(s): S. Grant, A. Clarke, P.N. Trathan and H.J. Griffiths (UK)
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Fish stock assessment survey in Subarea 48.3, 2004
Abstract: This report describes the activities and preliminary results of the 9th UK fish stock ... of acoustic methods for the determination of icefish biomass could be undertaken. Following the ... recommendations of the CCAMLR subgroup on fisheries acoustics (WG –SFA) emphasis was to be put on obtaining ... information on the target strength and length composition of the pelagic component of the icefish biomass. A ...
Meeting Document : WG-FSA-04/85 : Auteur(s): M. Belchier, M. Purves, M. Collins, S. Hawkins, T. Marlow, R. Mitchell, J. Szlakowski and J. Xavier (United Kingdom)
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THE NEED FOR TRADE MEASURES IN CCAMLR
of such a measure is a positive step for CCAMLR. ASOC reviews in this paper the relevant ... the adoption of a trade measure that will promote compliance with CCAMLR’s agreed upon rules to bring ... sustainable fishing. The proposal received the support of all but one State. ASOC would like to support the ... adoption of this Conservation Measure by the Commission at its XXVII Meeting, and clarify why the adoption ...
Meeting Document : CCAMLR-XXVII/BG/28 : Auteur(s): Submitted by ASOC
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Ichthyological investigation by fixed gears in Terra Nova Bay (Ross Sea) - species list and first results
Abstract: The species composition and bathymetric distribution of the fish fauna of Terra Nova ... coast to off-shore, down to 680 m. The bulk of catches were Nototheniidae (10 species, 83 % by weight ... depth suggests the presence of different assemblages of fish at different levels sampled. A detailed ... statistical analysis of catches in relation to various variables (depth, fishing gears, station, etc.) is also ...
Meeting Document : WG-FSA-91/37 : Auteur(s): M. Vacchi, S. Greco and M. La Mesa (Italy)