Résultats de la recherche
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An integrated assessment model for Antarctic krill: progress update
extrapolated from net densities than when biomass was calculated from acoustics. This was reflected in lower ... net biomass densities in either TrawlCI or the integrated model than when acoustic measures of biomass ... ages in the population. Thus the integrated model estimated two population sizes, the "vulnerable ... " population sizes in the integrated models were usually more similar to TrawlCI estimates of ...
Meeting Document : WG-EMM-12/27 : Auteur(s): D. Kinzey, G. Watters and C. Reiss (USA)
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Comité scientifique
Commission. In turn, the Commission is obligated by the Convention to take full account of the ... recommendations and advice of the Scientific Committee in making its decisions. The Scientific Committee takes ... into account the outcomes of research from national programs of CCAMLR Members. In addition CCAMLR has ... Commission meeting. In order to address the wide range of science areas that might impact on the decisions of ...
Page : Site Section: Science
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Dispositif d'effarouchement des oiseaux à utiliser dans les pêcheries palangrières de la CCAMLR
seabirds in the course of longline fishing or longline fishing research in the Convention Area' ... ' in Statistical Subareas 48.3, 58.6 and 58.7 and Statistical Divisions 58.5.1 and 58.5.2. In 2009 ... have been shown to achieve the operational characteristics in paragraph 1 of the annex. This recognises ... factors may be important. A BED configuration that demonstrates the two characteristics is shown in the ...
Page : Site Section: Fisheries
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Potential climate change effects on the habitat of Antarctic krill
resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ... sector into two zones: A band around the Antarctic Circumpolar Current in which habitat quality is ... in growth habitat within the range of predators, such as Antarctic fur seals, foraging from breeding ... in summer chlorophyll concentration could have a more significant effect on Antarctic krill habitat ...
Meeting Document : WG-EMM-13/20 : Auteur(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2013–2014
Point and zero at Signy Island and Goudier Island. In total, 88 items of marine debris were found in ... association with seabird colonies at Bird Island, most commonly in association with wandering albatrosses (40 ... highest ever recorded in the 24 years of summer surveys and fourth highest ever recorded in 23 years of ... winter surveys at Bird Island. In contrast, the occurrence of beached marine debris at Signy Island was ...
Meeting Document : SC-CAMLR-XXXIII/BG/31 : Auteur(s): Delegation of the United Kingdom
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UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance
Abstract: The importance of Unmanned Aerial Vehicles (UAVs) in remote sensing is rapidly growing ... . However, knowledge about their potential impact on wildlife is scant, especially in the Antarctic, where ... they are a new tool used in ecological research and monitoring. In this preliminary study we ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ...
Meeting Document : WG-EMM-15/50 : Auteur(s): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)
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Performance metrics to index the spatial coverage of mark-recapture data
interpreting the biomass estimated from mark recapture data. In 2015, the Scientific Committee identified that ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... measure of the potential bias in the biomass estimate calculated from non-homogenous spatial mark ... area, SSRUs 88.2H to illustrate its use. We found that the median tag spatial overlap statistic in 2012 ...
Meeting Document : WG-SAM-16/13 : Auteur(s): C. Marsh, A. Dunn and S. Mormede
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016
currently includes 43 member countries and nine ICSU unions. SCAR encourages new members with an interest in ... and its role in the Earth System. SCAR also provides independent and objective scientific advice and ... re-affirmed at meetings of the two groups at the joint CEP/SC-CAMLR Workshop on Climate Change in ... in Malaysia. While there is a diverse range of SCAR research currently underway that is relevant to ...
Meeting Document : SC-CAMLR-XXXV/BG/26 : Auteur(s): Submitted by SCAR
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An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea
and the other by thin sectioning, in order to assess the comparability of age estimates derived from ... vessel in Subarea 88.2 in the 2014-2015 season and in Division 58.4.1 in the 2015-2016 season, were aged ... available for use in the estimation of biological parameters and stock assessments of the respective ... sampling areas in East Antarctica and the Amundsen Sea. Author(s): G. Nowara, B. Farmer, T. Barnes, P ...
Meeting Document : WG-FSA-17/15 : Auteur(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford
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Marine Ecosystem Assessment for the Southern Ocean (MEASO)
. MEASO aims to provide a forward-looking assessment of what trends in Southern Ocean ecosystems are ... happening now and into the future, and what may need to be planned for, in terms of research and management ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ...
Meeting Document : SC-CAMLR-XXXVII/BG/22 : Auteur(s): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier