Search results
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Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish
Abstract: Patagonian toothfish (Dissostichus eleginoides) is the target species of a bottom ... longline fishery occurring in the Southern Indian Ocean off Kerguelen and Crozet islands. This fishery is ... exposed to high levels of interactions with cetaceans removing fish from the fishing gear and to ... comparison with longliners. This paper describes the trial and the results obtained with different pot models ...
Meeting Document : WG-FSA-10/10 : Author(s): N. Gasco, P. Tixier and C. Guinet (France)
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... , and haul) based on a state-space model, which can separate biological process error in the population ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ... length and bycatch fish number, the parameters estimated by MCMC showed the variation among years ...
Meeting Document : WG-EMM-11/39 : Author(s): T. Okuda and M. Kiyota (Japan)
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
these data can best be used.The quality of tag data is hard to assess. A methodology is developed to use data ... that is fitted in an assessment model.The data quality measures illustrate sometimes substantial variation ... a trip should be used in an assessment, and can also guide how these data can best be used.The quality ... model.The data quality measures illustrate sometimes substantial variation in the quality of particular data ...
Meeting Document : WG-SAM-08/13 : Author(s): D.A.J. Middleton and A. Dunn (New Zealand)
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WG-DCH-84
. Gulland (FAO) WG-DCH-84/05 Some notes on the catch and effort statistics needed for stock assessment of ... proposals for basic information. Annex 8 to the Report of the 1983 Meeting of the Scientific Committee of ... the Report of the 1983 Meeting of the Scientific Committee of CCAMLR WG-DCH-84/08 Inventory of ... commercial fishery data before September 1983. Annex 6 to the Report of the 1983 Meeting of the Scientific ...
Meeting
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Meeting information Observer Organisations
The CCAMLR Secretariat is delighted to be hosting the 31st meeting of the Commission. We hope you ... will find the following information useful to make your participation enjoyable. Rules of Procedure of ... the Commission (194.47 KB) (Rules 30-35) and the Rules of Procedure of the Scientific Committee ... (194.15 KB) (Rules 19-24) relating to the participation of Observers. Submission of papers to meetings of ...
Page : Site Section: Meetings
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SCAF-17
) Submissions Due: Saturday, 16 September 2017 Friday, 1 September 2017 Schedule for the Thirty-sixth Meetings ... of the Commission and the Scientific Committee Participants are not required to register for the SCIC ... and/or SCAF meetings. However, please register for the Commission meeting as usual. Meeting documents ... Doc Number Title CCAMLR-XXXVI/01 Second Performance Review of CCAMLR – Final Report of the Panel ...
Meeting
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2005, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... westerly winds (westerlies) determined from sea-level pressure differences across the Drake Passage ...
Meeting Document : WG-EMM-05/17 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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Proposal for a mark–recapture experiment to estimate toothfish population size in Subarea 48.4
Abstract: One UK vessel fished around the South Sandwich Islands (Subarea 48.4) in in July, 2005 ... programme to assess the toothfish population. Catch rates were similar to those experienced in Subarea 48.3 ... . The UK proposes to undertake a more extensive mark-recapture experiment in Subarea 48.4 over the 2006 ... – 2007 fishing seasons. The objective of the experiment will be to assess toothfish population structure ...
Meeting Document : WG-FSA-05/57 : Author(s): Delegation of the United Kingdom
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Small scale krill surveys: simulations based on observed euphausiid distributions
the effects of krill swarm orientation and shape on the success of two proposed survey designs. The ... distributions each of which is given 4 rotations. The results indicate that the coefficient of variation (c.v ... .) of mean krill density varies inversely with mean density, and is lowest for the survey design ... utilising parallel transects set at right angles to the long axis of the aggregations. Calculations based on ...
Meeting Document : WG-KRILL-91/19 : Author(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)
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Working Group on Incidental Mortality Associated with Fishing (WG-IMAF)
In response to concerns over the decline in albatross populations, and the potential for this to ... be exacerbated by interactions with CCAMLR fisheries, the Commission undertook initial discussion in ... of the outcomes of this meeting was the creation of an ad hoc Working Group on Incidental Mortality ... -IMAF met annually until 2009 when, in response to the reductions in incidental mortality of seabirds ...
Page : Site Section: Science