Résultats de la recherche
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Distribution, abundance and acoustic properties of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
community of top predators in the shelf waters of the Ross Sea. In spite of their abundance and important ... role in Antarctic food chains, very little is known of many ecological and biological aspects of this ... during the New Zealand International Polar Year Census of Antarctic Marine Life research voyage on R.V ... . Tangaroa in February–March 2008. Multi-frequency acoustic data (12, 38, 70 and 120 kHz) allowed ...
Meeting Document : WG-FSA-10/P04 : Auteur(s): R.L. O’Driscoll, G.J. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet
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Recommendations from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic Peninsula region
Abstract: In June 2014, the ICED programme, the British Antarctic Survey and WWF co-hosted a two ... day workshop entitled “Understanding the objectives for krill fishing and conservation in the Scotia ... progress in the management of the krill fishery; broadening participation in WG-EMM to include other ... from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic ...
Meeting Document : WG-EMM-14/12 : Auteur(s): S. Hill, R. Cavanagh, R. Downie, C. Knowland and S. Grant (United Kingdom)
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Collaborating to eliminate Illegal, Unreported and Unregulated fishing in the Southern Ocean
enforcement actions taken against vessels suspected of engaging in Illegal, Unreported, and Unregulated (IUU ... ) fishing this year. ASOC and COLTO commend the cooperation between states, organizations and NGOs that led ... ; participation in satellite enforcement initiatives; intensification of action on nationals of CCAMLR Members ... potentially involved in IUU fishing; and improvements in the effectiveness of the IUU vessel lists. Author(s ...
Meeting Document : CCAMLR-XXXIV/BG/23 : Auteur(s): Submitted by ASOC and COLTO
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A review of tag-based stock assessments of the Antarctic toothfish Dissostichus mawsoni in Subarea 48.4
Abstract: The stock abundance of Antarctic toothfish in Subarea 48.4 is estimated using tag based ... specifically developed to reduce estimation bias in populations with low recaptures, a feature typical of the ... data available for this species in 48.4. During a review of assessment methodology two main issues have ... review of assessment data and methods in order to discuss and address the issues. Author(s): N. Walker ...
Meeting Document : WG-FSA-15/44 : Auteur(s): N. Walker, M. Soeffker, V. Laptikhovsky and T. Earl (United Kingdom)
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A methodological proposal to monitor changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax atriceps
Abstract: A proposal to monitor changes in coastal fish populations is presented in this document ... . The methodology considered is based in the analysis of regurgitated pellets of the blue-eyed shag ... changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax ...
Meeting Document : WG-EMM-95/84 : Auteur(s): Barrera-Oro, E., Casaux, R.
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Development of foraging behaviour and evidence of extended parental care in the gentoo penguin (Pygoscelis papua)
approximately 2500 breeding pairs of gentoo penguins in Admiralty Bay, King George Island, South Shetland ... with extended parental provisioning, behaviours not observed in other Pygoscelis species. Chicks took ... adult foraging trips in both timing and duration. Behavioural observations confirmed that many chicks ... in the late afternoon to evening hours. We hypothesize that these behaviours not only provide the ...
Meeting Document : WG-EMM-06/8 : Auteur(s): M. Polito and W.Z. Trivelpiece (USA)
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SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
toothfish (Dissostichus mawsoni) are subject to an increasingly important commercial fishery in the Ross Sea ... -line fishery in the Ross Sea were superimposed on the habitat map and broken into discrete spatial ... areas. Differences in age distributions between these areas were found using ANOVA. These distributions ... and older fish were located on the continental slope. In addition, the older and most mature ...
Meeting Document : WG-FSA-08/18 : Auteur(s): C.M. Brooks and J.R. Ashford (USA)
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Fish identification guide for Observers in CCAMLR krill fisheries
field guide designed to assist in improving the quality of observer by-catch data collected in the ... family specific keys for species found in the Southern Ocean. Members are invited to provide information ... Observers in CCAMLR krill fisheries Approval: Approved ...
Meeting Document : WG-EMM-13/07 : Auteur(s): Secretariat
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A feedback management strategy for the krill fishery in Subarea 48.1
Abstract: We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... fishery in Subarea 48.1. This strategy is a combination of two strategies that were separately proposed ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM. A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ...
Meeting Document : WG-EMM-16/48 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Absence of haematozoa in breeding macaroni Eudyptes chrysolophus and rockhopper E. chrysocome penguins at Marion Island
Abstract: Haematozoan infections cause the death of penguins in captivity, but seldom in the wild ... . No haematozoa were found in 89 blood smears taken from macaroni penguins Eudyptes chrysolophus or 80 ... (South Africa) Title: Absence of haematozoa in breeding macaroni Eudyptes chrysolophus and rockhopper E ...
Meeting Document : WG-EMM-03/19 : Auteur(s): A. Schultz and S.L. Petersen (South Africa)