Résultats de la recherche
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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... and medium-scale spatial resolution and consider scenarios where abundance can be present over the ... entire Ross Sea region or restricted to areas where the fishery has operated. The models are implemented ... in the generalised Bayesian population dynamics model, the Spatial Population Model (SPM). The SPM ...
Meeting Document : WG-FSA-12/44 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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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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Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
incorporates catch and length-composition data from the krill fishery with biomass indices and length ... -compositions from research surveys has been developed. The model uses statistical fits to these data to ... estimate the effects of the fishery on the krill population. The model estimates parameters representing ... krill population biology and the fishery during the period with data (1976 to 2014 in these models) and ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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Integrated research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea, New Zealand and Ukraine
the proposal in 2017. The joint research proposal was for 3 years covering the period 2017/18, 2018/19 ... blocks where tagged fish have previously been released on the slope, while also prospecting two of the ... northern seamount complexes and two boxes on the continental shelf, where no research has occurred ... . Following a proposal from the Ukraine to join the research plan in 2018, the Scientific Committee requested ...
Meeting Document : WG-SAM-2019/02 : Auteur(s): Delegations of the Republic of Korea, New Zealand and Ukraine
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Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos
Abstract: We here summarise the sampling effort and some preliminary findings from the 2019 ... Scotia Sea krill monitoring survey with the F/V Cabo de Hornos. The vessel was chartered by the ... Association of Responsible Harvesting Companies (ARK) and manned with personnel from the Institute of Marine ... Research to carry out a significant part of the 2019 Scotia Sea large scale krill monitoring. All sections ...
Meeting Document : WG-EMM-2019/46 : Auteur(s): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft
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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)