Search results
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Address given to citizen’s marine summit, Japan By Dr I. Everson
Abstract: The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ... essential between fishermen and scientists to ensure the provision of the data needed to test hypotheses ... related to the functioning of the Southern Ocean ecosystem. Although currently co-operation is fairly good ...
Meeting Document : CCAMLR-XII/BG/11 : Author(s): Delegation of United Kingdom
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Proposed amendment to Conservation Measure 31-02
Abstract: The Republic of Korea proposes that vessels that have received a fishery closure notice ... are required to immediately acknowledge the receipt of such a notice, and the Secretariat alerts the ... flag state if such acknowledgement is not received within a specific time frame to be agreed by the ... Commission. The amendment has been made as paragraph 1bis. The Republic of Korea believes that this new ...
Meeting Document : CCAMLR-XXXVII/33 : Author(s): Delegation of the Republic of Korea
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PRESENCE OF IUU VESSEL IN SPANISH PORT
Secretary, I am writing to inform you that the vessel TCHAW, flagged by Togo, was found in port in VIGO on ... 14 October 2010. The vessel sailed from Peniche (Portugal), where it was in dock for more than a year ... , and arrived in Vigo with no cargo on board. In view of the fact that the vessel is configured as a ... complying with the rules that govern entry of fishing vessels flying a foreign flag into Spanish ports. A ...
Meeting Document : CCAMLR-XXIX/BG/38 : Author(s): Delegation of Spain
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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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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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Beach debris survey – Main Bay, Bird Island, South Georgia 1999/2000
Abstract: During the tenth year of standardised beach surveys of man-made debris at Bird Island ... , South Georgia, a total of 408 items was collected. This represents a 92% increase on the total of 213 ... items collected in 1998/99, but is consistent with numbers in years prior to the 1998/99. A dramatic ... increase (310%) in the number of items collected over winter (April- September) from 41 items in 1998/99 to ...
Meeting Document : SC-CAMLR-XX/BG/02 : 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)