Résultats de la recherche
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Warming effects in the Western Antarctic Peninsula Ecosystem: the role of population dynamic models for explaining and predicting penguin trends
Abstract: The Western Antarctica Peninsula and Scotia Sea ecosystems appear to be driven by ... . The Adélie (Pygoscelis adeliae). Chinstrap (P. antarctica) and Gentoo (P. papua) penguins appear to be ... influenced by the inter-annual variability in the sea-ice extent and krill biomass. In this paper we ... developed simple conceptual models for decipher the role of climate and krill fluctuations on the population ...
Meeting Document : WG-EMM-12/18 : Auteur(s): M. Lima and S.A. Estay (Chile)
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Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations
Abstract: The first year of a two-year and multi-member research survey using standardised ... longline gear to sample toothfish populations was carried out in the northern areas (60°‑ 66° S) of SSRUs ... 88.2A–B. The sampling strategy and data collection adhered to standards set in CM 41-10 (2014). A total ... . Age composition of the catch as predicted by the spatial population model was similar to that observed ...
Meeting Document : WG-FSA-15/32 : Auteur(s): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)
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Monitoring variability and change in the plankton communities of the Scotia Sea through Continuous Plankton Recorder surveys
Abstract: The northern regions of the Scotia Sea demonstrate notable variability in environmental ... conditions, particularly in the location of the Polar Front. This has a strong influence on patterns of ... species. The long-term impact of environmental variability on plankton species composition and abundance ... has been monitored through conducting a series of Continuous Plankton Recorder (CPR) tows in the South ...
Meeting Document : WG-EMM-16/29 : Auteur(s): G.A. Tarling, M.Z. Wootton, D.G. Johns, T.D. Jonas, E.J. Murphy and P. Ward
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Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and G)
Abstract: The analysis of the toothfish fishery data in the northern part of the Ross Sea (SSRU ... 88.1 B, C and G) was performed using haul-by-haul data from the CCAMLR database for the period 1997 ... -2015. The variability of catch per haul (kg) and CPUE (kg/1000 hooks) depending on the hauling ... possible presence of number of high CPUE and catches, which are outside the upper limit of confidence ...
Meeting Document : WG-FSA-16/14 : Auteur(s): S. Kasatkina
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State of the Antarctic and the Southern Ocean Climate System (SASOCS)
Abstract: The paper is a summary of a detailed review produced for submission to a scientific ... journal. by the SCAR Scientific Research Programme on Antarctica and the Global Climate System (S. Aoki ... , and C. Xiao), For access to the original paper please contact the SCAR Secretariat. This information ... paper provides a review of the key developments over the past two years in our understanding of physics ...
Meeting Document : CCAMLR-XXVI/BG/37 : Auteur(s): Submitted by SCAR
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Monitoring and management in the Antarctic – making the link between science and policy
Abstract: Management of human impacts in the Antarctic requires an effective system of monitoring ... to provide information about the process being managed and the effectiveness of management actions ... . Human impacts arise as a result of processes that originate in the region (endogenous) and those that ... originate outside the region (exogenous). A number of monitoring programmes have been established in both ...
Meeting Document : WG-EMM-07/P9 : Auteur(s): K. Reid (United Kingdom)
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Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
Abstract: The United States Antarctic Marine Living Resources (U.S. AMLR) program conducted a ... bottom trawl survey in March, 2001 of the South Shetland Islands. Information on species composition ... coriiceps, and Notothenia rossii. Biomass estimates were compared to the results from the 1998 U.S. AMLR ... Survey. For most species, the standing stock has decreased slightly, although in most cases the 95 ...
Meeting Document : WG-FSA-01/33 Rev. 1 : Auteur(s): C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong and H. Flores
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TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
toothfish in the Ross Sea. One of them, the CASAL model, (Dunn & Hanchet, 2007; Bull et al., 2007) is ... available sources of information incorporated into the model. The second one, the TISVPA model (Vasilyev ... ways. Comparison of the results shows also that the input to the solution from different sources of ... the stock (Vaslilyev et al., 2007), in CASAL the solution was mostly supported by signals from tagging ...
Meeting Document : WG-SAM-08/08 : Auteur(s): D. Vasilyev and K. Shust (Russia)
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Some specific characteristics of Dissostichus eleginoides biology in the vicinity of the Kerguelen Islands (Division 58.5.1)
Abstract: For recent years Dissostichus eleginoids is the main target species of trawling and ... long-line fisheries in the vicinity of the Kerguelen Islands. Results of research made by the author on ... board the fishing vessel "Poltava" in the summer season 1991-1992 were the base for the ... present paper. Regular direct distribution of size groups D. eleginoides in depth range within the fishing ...
Meeting Document : WG-FSA-96/16 : Auteur(s): Pshenichnov, L.K.
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An automated weighing and recording system as an aid for the study of the foraging ecology of Adelie penguins (Pygoscelis adeliae)
Abstract: A System that automatically weighs, identifies and determines the direction of penguins ... moving between their breeding colony and the sea is described. Data obtained from it for a complete ... colony (589 nests from which 412 chicks were fledged) and related to the foraging ecology of the Adélie ... penguin Pygoscelis adeliae are presented for the period hatching to fledging. These were obtained at ...
Meeting Document : WG-CEMP-92/20 : Auteur(s): K. Kerry, J. Clarke and G. Else (Australia)