Résultats de la recherche
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
estimated following the procedure recommended at the WG-FSA in 2013 in order to maximize the expectation of ... Abstract: The current season (2015/16) is the first one of the second three-season research in ... reference area sizes. Understanding of the resource structure through clarification of their life history is ... essential to establish stock assessment and robust stock/ fisheries management of Dissostichus spp ...
Meeting Document : WG-SAM-16/05 : Auteur(s): Delegation of Japan
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Mesozooplankton distribution and community structure in the Pacific and Atlantic sectors of the Southern Ocean during austral summer 2017/18: a pilot study conducted from Ukrainian longliners
seasonal and geographical zooplankton sampling coverage at the fraction of the cost of the full scale ... Abstract: Preliminary results of the pilot study of the mesozooplankton in the region between the ... were collected in the top 100 m water layer using vertical tows of the 0.1 m-2 Juday net from four ... oceanographic surveys. The potential of such surveys are enormous in both providing invaluable information ...
Meeting Document : WG-FSA-18/19 : Auteur(s): E.A. Pakhomov, L.K. Pshenichnov, A. Krot, V. Paramonov, I. Slypkо and P. Zabroda
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Stock connectivity of Antarctic toothfish
, 48.4, 48.6, 88.1, 88.2 and 88.3, Divisions 58.4.1, 58.4.2 and 58.5.2, and the SPRFMO area north of ... toothfish samples were extracted and of these 547 were deemed to contain sufficient quantity and quality to ... be sequenced by Diversity Arrays to identify variable nucleotide SNPs sites. The analysis of SNPs ... indicated that the genetic structuring of Antarctic toothfish across the Southern Ocean is very weak. The ...
Meeting Document : WG-FSA-2019/P01 : Auteur(s): D. Maschette, S. Wotherspoon, A. Polanowski, B. Deagle, D. Welsford and P. Ziegler
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FLAG STATUS OF SOME VESSELS ON THE NCP-IUU VESSEL LIST
Abstract: FLAG STATUS OF SOME VESSELS ON THE NCP-IUU VESSEL LIST In June 2010, the EU forwarded a ... June 2010. 3. Since that time, however, a number of reports have been received regarding the activities ... of some of these vessels: (i) Bigaro was sighted by France fishing inside Division 58.5.1 of the ... of the vessel verbally advised that the vessel was operated by 'Americaga Laica' of Lome ...
Meeting Document : SCIC-10/04 : Auteur(s): Secretariat
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RELEVANT ISSUES IN REGARDS TO THE MANAGEMENT OF ANTARCTIC KRILL FISHERIES IN AREA 48
the data obtaining process financially. The discussion of that issue at 2009 WG-EMM meeting will be ... magnitude of the scientific uncertainties and data gaps affecting the subdivision of precautionary catch ... useful in a course of the consideration a decision on a Stage 1 allocation. In addition, this meeting ... monitoring plan for krill in Area 48. Due to the high level of risk associated with maintaining the current ...
Meeting Document : WG-EMM-09/31 : Auteur(s): L. Pshenichnov and G. Milinevsky (Ukraine)
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Dynamics of Antarctic penguin populations in relation to inter-annual variability in sea-ice distribution
Abstract: To investigate the role of sea ice cover on penguin populations we used principal ... component analysis to compare population variables of Adélie (Pygoscelis adeliae) and chinstrap (Pygoscelis ... population size remained stable, whereas that of chinstrap penguins decreased slightly. For neither species ... apparent inverse density-dependent relationship between the number of Adélie breeding pairs and the number ...
Meeting Document : WG-EMM-96/10 : Auteur(s): Murphy, E.J., Croxall, J.P., Trathan, P.N.
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Winter and summer foraging location of Adélie penguins from Mawson, Davis and Casey
, the birds foraged within several hundred kilometres of their breeding colonies, and at times, they ... with a diet which is largely comprised of the fishery target species Antarctic krill (Euphausia superba ... physiological, environmental and time constraints imposed upon them. Knowledge of their summer and winter ... foraging locations is relevant to WG-EMM in terms of understanding the spatial and temporal scales of ...
Meeting Document : WG-EMM-13/08 : Auteur(s): L. Emmerson, N. Kokubun and C. Southwell (Australia)
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
models of krill biomass, at 120 kHz frequency that can be used to augment research acoustic surveys if ... fishing seasons. From these data we develop semi-empirical indices of acoustic biomass in a Generalized ... Linear Modeling framework. We correlate these estimates of biomass with acoustic estimates derived from ... Elephant Island and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates ...
Meeting Document : SG-ASAM-15/03 : Auteur(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Development of methods relevant to feedback management (FBM) for the krill fishery
environment essential for the implementation of a Feed-Back Management (FBM) system. In terms of FBM, Marine ... . Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... fisheries within Domain 1 are critical if the fishery is to be managed by an empirical understanding of ... during the fishing season as a measure of the available prey field. This information can be integrated ...
Meeting Document : WG-EMM-18/08 : Auteur(s): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad
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Oceanography of the South Georgia and South Orkney Islands regions using high-resolution models
productive, supporting large colonies of higher predators, and with a history of commercial exploitation ... . Many of the key oceanographic and ecological processes determining the operation of these marine ... ecosystems operate over small spatial scales of <10 km. Understanding the drivers of variability in such ... processes requires the development of high-resolution ocean models. Here we describe the development of ...
Meeting Document : WG-EMM-17/30 : Auteur(s): E. Young, E. Murphy and P. Trathan