Résultats de la recherche
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
parts of South Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown ... Abstract: Results of acoustic surveys carried out in winter months of 2000 and 2002 demonstrate ... significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... that in winter months in the northwestern part where foraging areas of dependent predators are located ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Auteur(s): S.M. Kasatkina (Russia)
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Database of CCAMLR working documents
database is subject to the rules for access and use of CCAMLR data. At the time of writing, a total of 3824 ... documents contain major contributions to the work of CCAMLR and provide an important record of the history ... of scientific, political and administrative developments. While readily accessible within the ... examine the feasibility of creating a database of CCAMLR working documents that could be indexed by ...
Meeting Document : WG-EMM-02/8 : Auteur(s): Secretariat
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PROPOSED APPROACH FOR THE IDENTIFICATION OF IMPORTANT MARINE AREAS FOR CONSERVATION: USING ‘MARXAN’ SOFTWARE TO SUPPORT SYSTEMATIC CONSERVATION PLANNING
Abstract: We provide a worked example of how a systematic conservation planning methodology ... (Margules & Pressey, 2000) might be used to identify important areas for conservation of biodiversity in ... the pelagic environment, using Subarea 48.2 (South Orkney Islands) as a pilot study area. The aim of ... the worked example is not to identify areas for protection or management at this stage, but rather to ...
Meeting Document : WG-EMM-08/49 : Auteur(s): S.M. Grant, J. Tratalos and P.N. Trathan (United Kingdom)
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ESTIMATING THE SWEPT AREA OF DEMERSAL LONGLINES BASED ON IN-SITU VIDEO FOOTAGE
, the section of line visible to the camera swept sideways, interacting with sessile benthic organisms ... before leaving the seafloor. Based on an estimate of the rate of sideways movement, the total time ... sideways movement occurred before the line lifted off the seafloor, the total length of the line and the ... total time to retrieve the line, we estimate that up to 0.122 km2 of seafloor was swept by the line ...
Meeting Document : WG-FSA-08/58 : Auteur(s): D. Welsford and R. Kilpatrick (Australia)
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Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)
Abstract: Target strength measurements of free swimming krill at 120kHz were made using a single ... were calculated indirectly by deconvolution of the cumulative probability function of echo ensembles of ... evaluate the effects of varying the ratio of largest to smallest echo amplitudes for a given ensemble, thus ... enabling the estimation of threshold induced bias in the target strength estimates. The threshold induced ...
Meeting Document : WG-EMM-97/75 : Auteur(s): Pauly, T., Penrose, J.D.
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Biological acoustic survey in the marginal ice edge zone of the Bellingshausen Sea
Abstract: An acoustic survey at 38 and 120 kHz was carried out from RRS Discovery in the ... 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 ...
Meeting Document : WG-Krill-94/32 : Auteur(s): A.W.A. Murray, J.L. Watkins and D.G. Bone (United Kingdom)
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Report on the results of exploratory research fishing for crabs in Subarea 48.2 on board FV Tamango in the 2009/10 season
concentrations of king crabs were encountered in the area adjacent to CCAMLR area, on the North Scotia Ridge, at ... Abstract: Exploratory research voyage of F/V 'TAMANGO' proceeded from March, 23 to May ... revealed no commercial concentrations of crabs on the South Orkney Islands shelf. However, commercial ... , three species of king crabs were found on the Patagonian shelf: Lithodes santolla, Paralomis ...
Meeting Document : WG-SAM-11/19 : Auteur(s): V.A. Bizikov and S.E. Anosov (Russia)
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
Elephant Island area are examined to determine the level of sampling effort required to adequately assess ... the (1) abundance and demographic structure of Antarctic krill and (2) relative abundance and ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ... operating on seasonal and interannual time scales. The results of these analyses indicate that minimal ...
Meeting Document : WG-EMM-97/32 : Auteur(s): Loeb, V.
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New Zealand Draft National Plan of Action – Seabirds
Abstract: Information on mackerel icefish that has been presented at WG-FSA is summarised and the ... National Plan of Action – Seabirds. The plan will apply to commercial and non- commercial fishing in New ... vessels participate. The plan proposes that Codes of Practice be developed for each fishery, and that the ... mandatory if not adhered to voluntarily in Codes of Practice. Economic incentives or penalties may also be ...
Meeting Document : WG-FSA-03/41 : Auteur(s): J. Nicolson and D. Randall (New Zealand)
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Updated background paper (2018) on the Domain 1 MPA. Part B: rationale of changes
Abstract: The present document reflects on a series of documents, comments and suggestions made ... and Chile in 2017 at CCAMLR XXXVI. It also includes the suggestions and reviews (WG-EMM, Buenos Aires ... made during the meetings detailed above, and includes new information about the identification of krill ... A. Author(s): Delegations of Argentina and Chile Title: Updated background paper (2018) on the ...
Meeting Document : SC-CAMLR-XXXVII/BG/08 : Auteur(s): Delegations of Argentina and Chile