Résultats de la recherche
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Decision-making
decision-making mechanism, there may have been costs associated with it. A distinction must be drawn ... envisaged by Article XII.2 of the Convention; in accordance with Article XIII.6 of the Convention, CCAMLR ... creating, as a subsidiary body, a panel composed of independent experts to deal with the determination of ... factual matters, such as compliance with a CM, i.e. the inclusion of a vessel on the IUU vessel list 1 ...
Page : Site Section: The Organisation
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season
). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ... single homogeneous area (single-area) with catch removals from three spatially based fisheries (shelf ... , slope, and north). Model fits to the data were adequate, with the tag-release and recapture data ... parameters. However, multi-chain comparisons and sensitivities with fixed selectivity ogives suggested that ...
Meeting Document : WG-FSA-05/33 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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An illustrative management procedure for exploring dynamic feedback in krill catch limit allocations among small-scale management units
which simulates the “true” dynamics of the resource with tests across a wide range of scenarios for the ... here have a feedback structure, and hence are able to react and self-correct. It is important, as with ... subdivide the krill catch between SSMUs. Different MPs are then simulation tested with their performances ... average krill catches per SSMU associated with each MP. The key assumption made here is that data will be ...
Meeting Document : WG-EMM-06/28 : Auteur(s): É. Plagányi and D. Butterworth (South Africa)
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RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA
provided with probability methods and spatial analyses requiring knowledge of statistical distribution ... analyses procedures applied for trawling and hydro-acoustic sampling have to in compliance with the rules ... . Traditional concepts of observation system concerning the resources of krill should be further developed with ... applications of rules and parameters dealing with statistical distributions of population density, information ...
Meeting Document : WG-SAM-08/P01 : Auteur(s): L.A. Kovalchuk (Ukraine)
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Uncertainty in acoustic surveys of Antarctic krill
acoustic surveys. The variance in system calibration with a standard sphere was evaluated in relation to ... different standard spheres with the results of a calibration by self-reciprocity (Demer and Hewitt ... with a standard sphere were estimated as-1.2 dB and ±0.3 dB, respectively. Uncertainty in estimating ... higher than those calculated disregarding biases due to DVM, with a standard deviation of 0.6 dB ...
Meeting Document : WG-EMM-95/72 : Auteur(s): Demer, D.A.
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Informations sur la pêche INN dans les ZEE françaises de Kerguelen et Crozet et dans la zone statistique 58 de la CCAMLR
's implementation. It summarises observations made by France with regard to illegal fishing from 15 ... , joint patrols with Australia recommenced, with the Australian patrol vessel Ocean Shield carrying out ... its patrols with two French fishery inspectors on board. The implementation of the Treaty and the ... Agreement between France and Australia will continue in 2017 with the commissioning of two new vessels ...
Meeting Document : CCAMLR-XXXIV/23 : Auteur(s): Délégation française
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KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016
database, KRILLBASE, together with environmental information, standardisation and metadata. The aim is to ... the potential uses of this database. With increasing numbers of requests for these data we here ... provide an updated version of KRILLBASE that contains data from 15194 net hauls, including 12758 with ... krill abundance data and 9726 with salp abundance data. These data were collected by 10 nations and span ...
Meeting Document : WG-EMM-17/P03 : Auteur(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, R. Anadon, S. Chiba, K.L. Daly, R. Downie, S. Fielding, P. Fretwell, L. Gerrish, G.W. Hosie, M.J. Jessopp, S. Kawaguchi, B.A. Krafft, V. Loeb, J. Nishikawa, H.J. Peat, C.S. Reiss, R.M. Ross, L.B. Quetin, K. Schmidt, D.K. Steinberg, R.C. Subramaniam, G.A. Tarling and P. Ward
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Can otolith elemental signatures record the capture site of Patagonian toothfish (Dissostichus eleginoides), a fully marine fish in the Southern Ocean?
discriminated toothfish by geographic region with near complete success: only 5% of fish caught off South ... America classified to sampling areas therein with 79-84% success, and Antarctic fish to sampling areas ... therein with 50-67% success. These results compare favourably with rates of classification for estuarine ...
Meeting Document : WG-FSA-06/P1synpro : Auteur(s): Ashford, J.R., C.M. Jones, E. Hofmann, I. Everson, C. Moreno, G. Duhamel and R. Williams
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Can otolith elemental signatures record the capture site of Patagonian toothfish (Dissostichus eleginoides), a fully marine fish in the Southern Ocean?
discriminated toothfish by geographic region with near complete success: only 5% of fish caught off South ... America classified to sampling areas therein with 79-84% success, and Antarctic fish to sampling areas ... therein with 50-67% success. These results compare favourably with rates of classification for estuarine ...
Meeting Document : WG-FSA-06/P1text : Auteur(s): Ashford, J.R., C.M. Jones, E. Hofmann, I. Everson, C. Moreno, G. Duhamel and R. Williams
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Net sample validation of acoustic techniques used to identify and size Antarctic krill
sampling characteristic types of acoustic target with nets. More recently partitioning of backscatter into ... (MVBS) data at 120 and 38 kHz were collected with a Simrad EK500 echo sounder, and net samples were ... collected with an RMT8. Around 80 % of the targets thought to be krill on the basis of their appearance on ... frequency data and compared with that obtained in net hauls. This comparison revealed that a simplified bent ...
Meeting Document : WG-EMM-97/46 : Auteur(s): Watkins, J.L., Brierley, A.S.