Résultats de la recherche
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Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides
resource by coarse methods. The main aim of such surveys is to monitor fishing operations in order to ... a certain extent, limited by the complex fishing strategies of the operators and by the movements of ... possible to estimate the standing stock and potential yield of a resource by coarse methods. The main aim ... used in the statistical sampling theory. These procedures are, to a certain extent, limited by the ... complex fishing strategies of the operators and by the movements of fish stocks, which seriously affect ... stock of a resource and its potential yield utilising coarse methods similar to those proposed by ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Auteur(s): Zuleta, A.V. and C.A. Moreno
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Mitigation of seabird captures during hauling in CCAMLR longline fisheries
hauling in CCAMLR longline fisheries. Haul captures were first recognised by CCAMLR as a problem as early ... exclusion devices (BEDs) placed around the hauling bay. Data collected by scientific observers since 2003 ... these two key functional characteristics into the specification of a BED to be deployed by longline ... captures were first recognised by CCAMLR as a problem as early as 1994/95 when steps were taken to reduce ... hauling bay. Data collected by scientific observers since 2003 suggest that there are two key aspects of ... into the specification of a BED to be deployed by longline vessels to reduce seabird captures during ... , dur- ing line setting has reduced the total number of dead seabirds in by-catch from over 5 000 in ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Auteur(s): Reid, E., B. Sullivan and J. Clark
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The orderly development of the krill fishery
). o A program to monitor and observe krill catch and by-catch be developed. o Vessels carrying krill ... be subject to port inspections by amending CM 10-03 so that it applies to the krill fishery. o ... Transhipment operations be overseen by the flag State, similar to the unloading of catches at port in CM 10-03 ... positions by amending CM 10-04 to apply to the krill fishery. o Components of CM 21-02 be applied to CM 21 ...
Meeting Document : CCAMLR-XXVI/30 : Auteur(s): Delegation of Australia
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Zonal structure of zooplankton communities in the Southern Ocean south of Australia: results from a 2150 km continuous plankton recorder transect
by double branches of the Sub-Antarctic Front (SAF), Polar Front (PF) and Southern Antarctic ... region south of 61°S was provided by nine CTD stations. Multivariate and Indicator Species analysis of ... strongly correlated with frontal/oceanographic zones. These assemblages appeared to be structured by a ... of the SB. The seasonal ice zone north of the SB was dominated by small copepods (Oithona similis and ...
Meeting Document : WS-BSO-07/P6 : Auteur(s): Hunt, B.P.V. and G. Hosie
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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