Resultados de la búsqueda
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
on almost every seamount in every year and usually in proportion to the level of tagging on the ... in recapture rates of annual cohorts of tagged fish through time in SSRU 88.2H indicates a decrease ... in the percentage of the population tagged due to the annual immigration of untagged fish, along with ... catch and emigration of tagged and untagged fish resulting in a decreasing trend in biomass overall ...
Meeting Document : WG-FSA-14/58 : Autor(es): S.J. Parker and S. Mormede (New Zealand)
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Recomendación de iniciar discusiones sobre la manera de planificar y organizar la labor de la Comisión para la Conservación de los Recursos Vivos Marinos Antárticos (CCRVMA)
Abstract: In recent years, there has been an increase in the number and complexity of issues that ... approaches to give adequate attention to issues, CCAMLR has found it a challenge to progress many of these ... ways to more effectively plan and organise the work of the Commission. Australia proposes that the ... planning and organising the work of the Commission would be useful; and encourage Members to consider ...
Meeting Document : CCAMLR-XXXIV/18 : Autor(es): Delegation of Australia
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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 : Autor(es): 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 : Autor(es): S.M. Grant and P.N. Trathan
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Criterio de decisión de la CCRVMA: cualidades y defectos
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 : Autor(es): Delegation of the United Kingdom
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Procedimiento para estimar la captura por períodos de dos horas en barcos de pesca de kril de arrastre continuo y propuesta para añadir la descripción del procedimiento como anexo a 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): M. Belchier, M. Purves, M. Collins, S. Hawkins, T. Marlow, R. Mitchell, J. Szlakowski and J. Xavier (United Kingdom)