Search results
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Statistical modelling of by-catch patterns: a preliminary case study using research fisheries in Subarea 48.6
bottom longline research fisheries in CCAMLR Subarea 48.6, using generalized linear mixed models with ... zero-inflation. The result contains several issues including the failure of estimation in considerable ... -catch patterns: a preliminary case study using research fisheries in Subarea 48.6 Microsoft Word File ...
Meeting Document : WG-SAM-2019/09 : Author(s): K. Sawada and T. Okuda
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Planned updates for the integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
in Division 58.5.2. These updates will include, inter alia, the estimation and inclusion of fishing ... mortality caused by longline gear loss, and an adjustment to the maturity function to be used in the ... for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in ...
Meeting Document : WG-SAM-2019/27 : Author(s): P. Ziegler and J. Dell
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Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008
Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... from viruses to pelagic and demersal fish and cephalopods in depths from the surface down to 3500 m ... antarcticum). Silverfish are a key link between plankton and the community of top predators in the shelf ... m depth and were sometimes present close to the bottom, where they were frequently caught in ...
Meeting Document : SG-ASAM-09/05 : Author(s): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)
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Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
eleginoides) fishery at Heard Island and McDonald Islands (HIMI) in CCAMLR Division 58.5.2 with catch until ... than that obtained in 2017, with an MCMC estimate of 70 519 tonnes (95% CI: 65 634- 76 626 tonnes). The ... predicted drop in SSB status by 2021, the time of the next stock assessment, was largely independent of the ... estimate recent trends in YCS, the 2021 assessment will inform any decision whether further catch ...
Meeting Document : WG-FSA-2019/32 : Author(s): P. Ziegler
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
the possibility that thorn growth ceases in large individuals. Von Bertalanffy growth curves are ... the curve for both sexes provides the best available representation of growth in the species: Lt ... = 70.8(1-e-0.308[t+1.10]), where Lt is the pelvic length (PL) in centimetres at age t. Applying this ... georgiana) in the Ross Sea Approval: Approved ...
Meeting Document : WG-FSA-04/29 : Author(s): M.P. Francis and C. Ó Maolagáin (New Zealand)
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Krill distribution patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey
the large scale krill biomass in the South Atlantic Sector of the Antarctic. Four vessels from Japan ... , Russia, the UK and the USA participated in the study during which 22 parallel hydroacoustic transects as ... predominately smaller than 50 mm mean length dominated in a band to the north of the first cluster, while the ... patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey Approval: Approved ...
Meeting Document : WG-EMM-00/6 Rev. 1 : Author(s): V. Siegel (Germany), S. Kawaguchi (Japan), F. Litvinov (Russia), V. Loeb (USA) and J. Watkins (United Kingdom)
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Report on seabird by-catch outside the CCAMLR Convention Area recorded in the South African fisheries
mortalities of seabirds. Independent research and measures imposed in the permit conditions for these sectors ... vulnerable species to interaction in the demersal trawl fishery are Cape (Pintado) petrels, Daption capense ... . In the pelagic longline fishery, the highest mortality figures were recorded for White-chinned Petrel ... (South Africa) Title: Report on seabird by-catch outside the CCAMLR Convention Area recorded in the ...
Meeting Document : WG-IMAF-11/11 : Author(s): C. Heineken and P. Mullins (South Africa)
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Management of C. gunnari in Subarea 48.3
likelihood of substantial periodic variation in natural mortality rates. These may be associated with ... increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ... , G.P., Parkes, G.B., Everson, I., Agnew, D.J. Title: Management of C. gunnari in Subarea 48.3 Approval ...
Meeting Document : WG-FSA-97/38 : Author(s): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
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Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and G)
Abstract: The analysis of the toothfish fishery data in the northern part of the Ross Sea (SSRU ... respect to the fishery data in the year under consideration. It was shown that total questionable catch ... should be treated. It was also shown that the current approach to analyze longline fishery data in the ... . Author(s): S. Kasatkina Title: Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and ...
Meeting Document : WG-FSA-16/14 : Author(s): S. Kasatkina
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Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003/04
Abstract: In agreement with the Report of the IXX WG-EMM (Art. 2.78; p.128), the current paper ... presents the next Italian survey, that will be carried out in the Ross Sea during the austral summer 2003 ... required for the conservation of krill biology in the Ross Sea and the adjacent area of the Pacific Ocean ... . Manoukian (Italy) Title: Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003 ...
Meeting Document : WG-EMM-02/31 : Author(s): M. Azzali, A. Sala and S. Manoukian (Italy)