Résultats de la recherche
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Re-organisation of WG-FSA Report
Abstract: In 2003, WG-FSA and the Scientific Committee identified the need to rewrite and ... restructure the WG-FSA report. In early 2004, the extend and nature of the work required was developed in ... consultation between the Conveners of WG-FSA and WG-IMAF, and the Chair of the Scientific Committee ... , incorporating comments from other WG-FSA Members and the Secretariat. It was also agreed to contract Dr Inigo ...
Meeting Document : WG-FSA-SAM-04/06 : Auteur(s): CCAMLR Secretariat
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia
were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... class. These year classes appeared against a background of the intensive icefish fishery, and krill ...
Meeting Document : WG-EMM-03/60 : Auteur(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Susceptibility to oxidative stress in different species of Antarctic birds: preliminary results
Abstract: The antioxidant defences in aerobic organisms represent the detoxification pathway ... during the 4-electrons reduction of molecular oxygen to water coupled with oxidative phosphorylation and ... during the activity of several enzymatic systems which produce ROS as intermediates. If the antioxidant ... maccormicki), breeding at Edmonson Point (Wood Bay, Ross Sea). At the time of sampling, Adélie penguins were ...
Meeting Document : WG-EMM-99/59 : Auteur(s): S. Corsolini, F. Regoli, S. Olmastroni, M. Nigro and S. Focardi (Italy)
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Phytoplankton standing stocks in relation to krill in Antarctic waters
Abstract: Investigations on krill trawl operations in the southern ocean were accompanied by the ... phytoplankton and zooplankton studies during the First Indian Antarctic Krill Expedition. The study area which ... , consisting of 32 diatoms and one dinoflagellete. Chaetoceros and Nitzschia spp. dominated the phytoplankton ... organisms. The other common diatoms present during the studies were Navicula, Rhizosolenia, Leptocylindrus ...
Meeting Document : WG-EMM-98/34 : Auteur(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)
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Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia
. Consequently, the authority responsible for the management of Southern Ocean marine resources (CCAMLR) actively ... campaigned for compliance with the MARPOL provisions relating to waste disposal at sea, and for cutting of ... incidence has been halved in recent years. However, the South Georgia fur seal population has approximately ... doubled in the same period, so that the overall total of animals entangled may even have increased ...
Meeting Document : SC-CAMLR-XV/BG/03 : Auteur(s): Delegation of the United Kingdom
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Revised research plan for toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14
comparative CPUE, modified Lincoln-Petersen and CASAL models following advices during the last WG-SAM meeting ... . Detailed results using CASAL models in SSRU C are described in a separated document. The catch and tagging ... data in SSRU D were not enough to be applied to modified Lincoln-Petersen and CASAL models. Thus the ... stock sizes of D. eleginoides in SSRU D is estimated only by using CPUE comparison with the stock size ...
Meeting Document : WG-FSA-13/36 : Auteur(s): Delegation of Japan
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JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS
Abstract: This document introduces the recent activities and outcome of Japanese scientific ... observers onboard the commercial krill fishing vessel from 2003/04 to 2007/08 fishing seasons. Main fishing ... grounds of the Japanese fishery were the Subareas 48.1, 48.2, and 48.3. Recent observation effort was ... concentrated to the Subarea 48.3. The observer coverage was 32.2 – 51.4 %, and exceeded 50 % in 2007/08 season ...
Meeting Document : WG-EMM-09/19 : Auteur(s): M. Kiyota and T. Iida (Japan)
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
Abstract: The suite of data quality metrics introduced by Middleton & Dunn (2008) is examined ... to identify those metrics that are most informative with respect to the identification of good ... rates of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A ... bootstrap analysis indicates that the range of data quality metrics associated with known good tagging data ...
Meeting Document : WG-SAM-09/19 : Auteur(s): D.A.J. Middleton and A. Dunn (New Zealand)
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Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability
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-08/33 : Auteur(s): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)
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Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa
-specific, median chela height of Paralomis formosa. The second derivative of the spline which made the best ... - carapace width, and Pr(72mm ≤ sBC ≤ 90mm) ≈ 0.95. The spline modeling technique appears to overcome some of ... the philosophical and statistical problems associated with estimating size at maturity by fitting ... be made to make the spline technique more robust to outliers in Y-space (crabs with regenerating ...
Meeting Document : WG-FSA-96/35 : Auteur(s): Watters, G.