Résultats de la recherche
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Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird
Abstract: Weather extremes are one important element of ongoing climate change, but their impacts ... are poorly understood because they are, by definition, rare events. If the frequency and severity of ... consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival in ... Antarctic petrels and assess whether snow storms are an important driver of annual breeding success and ...
Meeting Document : WG-EMM-16/P13 : Auteur(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen
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Schedule for the Thirty-sixth Meetings of the Commission and the Scientific Committee
-XXXVI and CCAMLR-XXXVI 16:00- Meeting of the Commission Heads of Delegations directly following the ... Heads of Delegations meeting of the Commission Meeting of the Scientific Committee Representatives ... -CAMLR-XXXVI and CCAMLR-XXXVI 09:00-10:30 1. Opening 2. Organisation of meeting 9.2 Performance review ... report (introduction) 8.2 Introduction of new measures 10:30-11:00 Refreshment Break 11:00-12:30 ...
Page : Site Section: Meetings
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017
covering depths of between 100 and 350m. 3. Overall biomass of Mackerel icefish (Champsocephalus gunnari ... ) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Mackerel icefish ... density was highest on the fishing grounds on the moraine banks of the NW stratum. 4. Clear regional ... Rocks, at low levels in the northern strata of South Georgia and more abundant in the Southern strata ...
Meeting Document : WG-FSA-17/44 : Auteur(s): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone
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Trade data analysis – A report of trends and supply chains in CDS data
Abstract: Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has ... identified increased use of the CDS with increases in the number of DCDs (41%), DEDs (35%) and DREDs (193 ... %) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the ... largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest ...
Meeting Document : CCAMLR-XXXVII/BG/03 : Auteur(s): CCAMLR Secretariat
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On the use of scientific observers on board krill fishing vessels
Abstract: Wide-scale monitoring of the status of Antarctic krill resources had been previously ... conducted by the USSR and its results still allow scientist to prepare forecasts of changes in the ecosystem ... scientists requested that draft amendments to a number of CCAMLR Conservation Measures be considered to make ... the System of International Scientific Observation compulsory in Antarctic krill fisheries. Indeed, a ...
Meeting Document : WG-EMM-05/32 : Auteur(s): Delegation of Ukraine
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
Abstract: Results of acoustic surveys carried out in winter months of 2000 and 2002 demonstrate ... significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... parts of South Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown ... that in winter months in the northwestern part where foraging areas of dependent predators are located ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Auteur(s): S.M. Kasatkina (Russia)
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Database of CCAMLR working documents
documents contain major contributions to the work of CCAMLR and provide an important record of the history ... of scientific, political and administrative developments. While readily accessible within the ... examine the feasibility of creating a database of CCAMLR working documents that could be indexed by ... database is subject to the rules for access and use of CCAMLR data. At the time of writing, a total of 3824 ...
Meeting Document : WG-EMM-02/8 : Auteur(s): Secretariat
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Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)
Abstract: The necessity of synoptic survey covering the South Sandwich Islands that are an ... integral part of Area 48 is discussed. It is shown that in this case there shall be obtained for the first ... time for the recent twenty years the material which allows to have an idea of krill simultaneous ... distribution over the whole water area of Subareas 48.1-48.4 covering a vast zone of krill drift and that of ...
Meeting Document : WG-EMM-99/43 : Auteur(s): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
days between 25 December 1997 and 5 January 1998. The total catch of C. gunnari was 5.04 tonnes in 34 ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ... previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ...
Meeting Document : WG-FSA-98/53 : Auteur(s): G. Parkes, A. King and C. Jones (United Kingdom)
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PROPOSED APPROACH FOR THE IDENTIFICATION OF IMPORTANT MARINE AREAS FOR CONSERVATION: USING ‘MARXAN’ SOFTWARE TO SUPPORT SYSTEMATIC CONSERVATION PLANNING
Abstract: We provide a worked example of how a systematic conservation planning methodology ... (Margules & Pressey, 2000) might be used to identify important areas for conservation of biodiversity in ... the pelagic environment, using Subarea 48.2 (South Orkney Islands) as a pilot study area. The aim of ... test the utility of this methodology, and to demonstrate the types of data and the range of decisions ...
Meeting Document : WG-EMM-08/49 : Auteur(s): S.M. Grant, J. Tratalos and P.N. Trathan (United Kingdom)