Résultats de la recherche
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of Dissostichus mawsoni in Subarea 58.4.1. The stock sizes for five research blocks ... (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5) were estimated by the Petersen estimator and the CPUE x seabed ... the CPUE method recommended at the last WG-FSA meeting. The stock size using the Petersen estimator ...
Meeting Document : WG-SAM-14/02 : Auteur(s): Delegation of Japan
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Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions
(Dissostichus mawsoni) muscle were measured to study the trophic connections of Antarctic toothfish in the Ross ... analysed, but only from the Ross Sea region. Appropriate corrections were made to account for the effect of ... lipid in muscle on δ 13 C in a way that did not compromise the accuracy of δ 15 N measurements. We found ... level; (2) δ 15 N values of toothfish on the Ross Sea slope were lower (~0.8‰ between medians) than in ...
Meeting Document : WG-EMM-14/50 : Auteur(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
300 m) CASAL models for stock status assessments of Dissostichus eleginoides in the research block ... 58.4.3a_1 following the recommendations of the last WG-SAM meeting. Total of four runs were carried out ... . Among them three runs were carried out using the latest information on age-length relationship in this ... division: two catch at length models including (ELAN_len model) or excluding (ELAN_tag model) the data from ...
Meeting Document : WG-FSA-15/22 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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China’s plan for marine investigation and assessment in the East Antarctic sector
Abstract: Given the large scale and hostile condition of the Southern Ocean, which accounts for ... almost 10% of the world ocean, the collection of scientific data and information in support of effective ... recommendations and advice for management, the SC-CAMLR is mandated to encourage and promote cooperation in the ... field of scientific research in order to extend knowledge of the marine living resources of the ...
Meeting Document : CCAMLR-38/BG/53 : Auteur(s): Delegation of the People’s Republic of China
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Zonal structure of zooplankton communities in the Southern Ocean south of Australia: results from a 2150 km continuous plankton recorder transect
Abstract: The Southern Ocean south of Australia is oceanographically complex, being characterized ... by double branches of the Sub-Antarctic Front (SAF), Polar Front (PF) and Southern Antarctic ... Circumpolar Current (SACCF), in addition to the Southern Boundary (SB) of the ACC. From 25 February to 3 March ... were measured at 1-min intervals in conjunction with CPR samples. Additional physical data for the ...
Meeting Document : WS-BSO-07/P6 : Auteur(s): Hunt, B.P.V. and G. Hosie
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Physical forcing in the southwest Atlantic: ecosystem control
Abstract: In the southwest Atlantic sector of the Southern Ocean, temporal variability in the ... physical environment has been recorded since the early part of the last century. For example, ocean ... temperature at South Georgia shows the presence of high levels of autocorrelation, with periodicity evident in ... anomaly data for the El Niño 4 region in the Pacific show that variability at South Georgia also reflects ...
Meeting Document : WG-EMM-04/34 : Auteur(s): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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A feasibility study for stock assessment of D. mawsoni in the Ross Sea (Subares 88.1 and 88.2) using a tag and recapture experiment
Abstract: This paper reports on a feasibility study into a tag and recapture experiment for the ... purpose of stock assessment of the Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea. An ... -98 to nearly 1800 t in 2002-03. Although some Patagonian toothfish (D. eleginoides) are taken in the ... 90% D. mawsoni) have been tagged and released in the area, from vessels operating in the exploratory ...
Meeting Document : WG-FSA-SAM 03/10 : Auteur(s): K.J. Sullivan, N.W.McL. Smith, J. McKenzie and S.M. Hanchet (New Zealand)
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
Abstract: A potential method is presented for combining data collected as part of the CCAMLR ... parameters. The paper is divided into four main parts. The first part develops the proposed method of forming ... summary indices, which is based on the usual theory of multivariate statistics and takes into account the ... covariance between parameters. The second part reports on a Monte Carlo simulation study that examines the ...
Meeting Document : WG-EMM-00/14 Rev. 1 : Auteur(s): W. de la Mare and A. Constable (Australia)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11
Abstract: This paper describes the first Bayesian sex and age structured population stock ... , and G (SSRUs 88.2C–G). For modelling purpose, we split the region into two fisheries: south of 70.2° S ... fish are caught and most of the effort has been concentrated. For our reference case we used a selected ... trips data set and fitted to tag and fishery data from the northern fishery only. Model fits to the data ...
Meeting Document : WG-FSA-11/43 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
Abstract: The research project to digitize former Soviet krill fishing research, exploratory and ... commercial expedition’s data has been started in Ukraine at the Southern Research Institute of Marine ... expeditions in Southern Ocean between the years of 1972-1992. The main purpose of these expeditions was to ... collect data and samples and to create an estimation of the commercial exploitation of the Antarctic krill ...
Meeting Document : WG-EMM-09/30 : Auteur(s): L. Pshenichnov and G. Milinevsky (Ukraine)