Résultats de la recherche
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Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins
basins were analysed for Hg concentration and comparisons were made by gender, total length (TL), wet ... weight (WW), and basin. There was no difference between TL-WW relationships by gender within any basin ... ) basins, which were not different from each other. Similarly, Hg concentration did not differ by gender or ... mackerel, that are considered high in Hg concentration by the U.S. Food and Drug Administration. In ...
Meeting Document : WG-FSA-06/24 : Auteur(s): K. Dawson Guynn and M.S. Peterson (USA)
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
tag placements and recapture effort, on bias in the Petersen estimate. It does so by constructing a ... uneven distribution of animals was simulated by adjusting an average movement rate downwards when animals ... model incorporates the facility for releases by box over a number of years. The model performed as ... distribution of tags and/or fishing effort; by ideal we mean that either tagging or fishing effort was in ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Auteur(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
censused by ground counts, and black-browed and grey-headed albatrosses mainly by yacht-based digital ... conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ... by ground counts, indicate more rapid declines: 4.0% p.a. from 1989/90-2003/04 for black-browed ...
Meeting Document : WG-FSA-04/71 : Auteur(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
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Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas
Southern Ocean by examining the foraging areas of black-browed and grey-headed albatrosses that were ... breeding on the Island. 3. During late incubation and brood periods over 90% of time spent foraging by ... the areas utilised by black-browed albatrosses and a licensed trawl vessel operating within 200nm of ... this was in the EEZ not covered by the Macquarie Island Marine Park. 8. Grey-headed albatrosses spend ...
Meeting Document : WG-FSA-04/49 : Auteur(s): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)
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A PROPOSAL TO AMEND CONSERVATION MEASURE 24-01: THE APPLICATION OF CONSERVATION MEASURES TO SCIENTIFIC RESEARCH
more than one (1) tonne of Dissostichus spp. would be subject to review by SC-CAMLR; • Scientific ... spp. would be subject to review by SC-CAMLR; • Scientific research proposals for vessels using fishing ... review by SC-CAMLR; • Scientific research proposals for vessels taking more than ten tonnes of ... are considered by the Committee and its working groups; and • Conservation Measure 10-04 (Automated ...
Meeting Document : CCAMLR-XXVII/34 : Auteur(s): Delegation of Australia
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Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
Committee on Implementation and Compliance (SCIC) the preliminary results of research conducted by the Pew ... Environment Group (PEG) to compare the port State measures established by ten Regional Fisheries Management ... Organizations (RFMOs) with the port State measures established by the FAO Port State Measures Agreement (PSMA ... particular, it should strengthen its provisions currently applicable to toothfish vessels by prohibiting any ...
Meeting Document : CCAMLR-XXIX/BG/25 : Auteur(s): ASOC Observer
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An integrated assessment model for Antarctic krill: progress update
weighted, by whether natural mortality was estimated by the model or pre-assigned a value of 0.8, and by ... for most combinations of samples grouped by year, area, and leg was somewhat lower when it was ...
Meeting Document : WG-EMM-12/27 : Auteur(s): D. Kinzey, G. Watters and C. Reiss (USA)
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Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter
, the macaroni penguin, and the krill fishery by examining the spatial overlap in prey consumption and ... caught by the fishery. Results Adult macaroni penguins from South Georgia consumed 126,472 tonnes of ... krill during the winter which is similar to the 98,431 tonnes caught by fisheries over the same period ... . The proportion of the estimated krill stock taken by macaroni penguins and the krill fishery was small ...
Meeting Document : WG-EMM-14/02 : Auteur(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015- Part C: Data analysis and MPA scenario development
accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII, Annex 6), this was done in three separate ... MPA planning by the Scientific Committee (SC-CAMLR-XXXIII, § 5.21). Chapter 2 provides a systematic ... note that this document already reflects a number of the recommendations made by WG-EMM 15. Further ... improvements and extensions that were proposed by WG-EMM 15 will be presented to WG-EMM in 2016 with a view for ...
Meeting Document : SC-CAMLR-XXXIV/BG/17 : Auteur(s): Delegation of Germany
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At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
krill consumed by Antarctic petrels, and compared this with results from fisheries, as well as from diet ... studies in other krill predators. Krill taken by Antarctic petrels did not differ in size from that taken ... by trawls or from krill taken by most Antarctic krill predators. Selectivity for specific Antarctic ...
Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe