Résultats de la recherche
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The diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at the west Antarctic Peninsula
those published for other Antarctic localities which indicate that P. atriceps is a benthic coastal ... . Fish remains occurred in 100% of the casts and represented 68% by number and 90% by weight of the total ... Trematomus newnesi. For these populations in the study area, equations to estimate total length and weight ...
Meeting Document : WG-CEMP-93/26 Rev. 1 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)
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Admiralty Bay (South Shetland Islands) - long-term marine monitoring program
the site of comprehensive environmental studies over the last 30 years and existing data sets provide ... the opportunity for long-term comparisons, and recognition of any ecosystem changes, and potential ... biotic elements in Admiralty Bay. In this paper we provide WG-EMM with an update on proposed project ... : "Admiralty Bay (South Shetland Islands) as a model area for the long-term marine monitoring program ...
Meeting Document : WG-EMM-15/47 : Auteur(s): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... ), by including tag-recapture data for 2005–06 from New Zealand vessels. The updated assessment resulted ... parameters, and an alternative method of parameterising the tag-release data are also presented. Inclusion of ...
Meeting Document : WG-FSA-SAM-06/11 : Auteur(s): Dunn, A. & Hanchet, S.M.
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Observation on interactions between marine mammals and krill mid-water trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... and krill mid-water trawl Microsoft Word File: sc-38-bg-20.docx Approval: Approved Secretariat ... Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for releasing ...
Meeting Document : SC-CAMLR-38/BG/20 : Auteur(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia
2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ... . frigida) in 2000. There was no clearly dominant prey group in 1999. The five-year average proportion of E ... diet. 59 % of all diets were dominated (> 90 % by mass) by euphausiids, 15 % were dominated by fish ... (Euphausia superba) was the main prey in 17 out of 22 years. Amphipods (Themisto gaudichaudii) were the main ...
Meeting Document : WG-EMM-12/17 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)
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Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)
time for the recent twenty years the material which allows to have an idea of krill simultaneous ... 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 ... concentration of fishing grounds between the Antarctic Peninsula and the most southern Sandwich Islands up to 20 ...
Meeting Document : WG-EMM-99/43 : Auteur(s): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)
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Small scale krill surveys: simulations based on observed euphausiid distributions
Abstract: An observed distribution of Meganyctiphanes norvegica aggregations is used to examine ... .) of mean krill density varies inversely with mean density, and is lowest for the survey design ... simulation involves a number of random paths of parallel or radially arranged transects passing through three ...
Meeting Document : WG-KRILL-91/19 : Auteur(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)
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Modelling Southern Ocean krill population dynamics: biological processes generating fluctuations in the South Georgia ecosystem
Abstract: Variability is a key feature of the pelagic ecosystems of the Southern Ocean and an ... 3+ age group, whereas when krill were abundant the 3+ age class was the major age group present. The ... year class strength, timing of immigration, fluctuations in growth rates and dynamic predator selective ... mortality rates will be a valuable next step. The dominance of the changes in krill population age structure ...
Meeting Document : WG-EMM-01/53 : Auteur(s): E. Murphy and K. Reid (United Kingdom)
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Commentaires concernant une aire marine protégée sur le plateau sud des îles Orcades du Sud (AMP SOISS)
) established by CCAMLR in Subarea 48.2 on the initiative of the United Kingdom has existed for more than seven ... by CCAMLR and lessons learned from it are important for subsequent proposals to establish MPAs in the ... relation to the SOISS MPA, especially since the Russian Federation has been an active participant in the ... (SOISS MPA) Microsoft Word File: r-cc-xxxv-20.docx Approval: Approved Secretariat Workflow Status ...
Meeting Document : CCAMLR-XXXV/20 : Auteur(s): Делегация Российской Федерации
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Adélie penguins as indicators of the state of the sea-ice in Adélie Land
factors. First, the season saw an extreme sea-ice extent that forced Adélie parents to cover great ... desertion by the partner and the risk of dying of prolonged fast for the chick(s). Second, the season was ... characterized by unusual precipitations of rain around the turn of the year that killed massively the already ... weakened young chicks. While we haven’t seen yet the consequences of this “zero year” on the demography of ...
Meeting Document : WG-EMM-17/01 Rev. 1 : Auteur(s): Y. Ropert-Coudert, A. Kato and C. Barbraud