Résultats de la recherche
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... that in winter months in the northwestern part where foraging areas of dependent predators are located ... 100 g/m2 determined as potential fishing grounds were located in the northeastern part of South ... Georgia. Comparison of krill aggregations structure in the northwestern and the northeastern parts of ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Auteur(s): S.M. Kasatkina (Russia)
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... those experienced in the North of 48.4. 196 Amblyraja georgiana and 1 Bathyraja eatonii were tagged and ... experiment in the South of Subarea 48.4 in 2009/10 with a combined catch limit of 75 tonnes for Dissostichus ...
Meeting Document : WG-FSA-09/18 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)
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Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer
). Examination of interrelations between the various physical and biological components measured in the study ... sampling scale of the ship compared to the predator. 6) Krill found in chinstrap penguin stomach samples ... : Surface water masses, primary production, krill distribution and predator foraging in the vicinity of ... Abstract: Four successive surveys of the pelagic marine environment were conducted over a 100-by ...
Meeting Document : WG-CEMP-90/11 : Auteur(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)
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ESTIMATION OF MANAGEMENT REFERENCE POINTS CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48
of F and SSB reference points for the krill stock in Area 48 consistent with the catch trigger level ... design feature of the Generalised Yield Model in place to prevent projections from running with ... potentially significant bias in projected recruitment resulting from poor parameterisation of the beta ... biomass reference points for the krill fishery in CCAMLR Area 48 consistent with the catch trigger level ...
Meeting Document : WG-EMM-11/17 : Auteur(s): T. Peatman, J. Moir Clark, D.J. Agnew (UK)
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A characterisation of the toothfish fishery and tagging programme in the Amundsen Sea region (SSRUs 88.2C–H) through 2015–16
88.2C-G) into four smaller research blocks in order to increase the likelihood of recaptures of ... information on the size of the population. Furthermore, 11 tagged fish were recaptured in the north (SSRU ... Abstract: This report provides a characterisation of the toothfish fishery and associated tagging ... programme in the Amundsen Sea Region (SSRUs 88.2C–H) up to and including the 2015/16 fishing year. A ...
Meeting Document : WG-FSA-16/45 : Auteur(s): K. Large, S. Parker and S. Hanchet
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
Abstract: In this work the characteristics of krill transport across the SSMUs determined on the ... . Berezhinsky (Russia) Title: Some characteristics of krill transport in the Scotia Sea based on the Russian ... basis of long-term Russian research in Area 48 are considered. Estimates of mean current velocities ... based on the long-term data from 3012 stations and respective time intervals when the water mass in the ...
Meeting Document : WG-EMM-05/41 : Auteur(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey
Abstract: Vessels from Japan, Republic of Korea, Peru and the USA had participated in the conduct ... a change in the demographic structure of the population. The smaller size modes disappear and krill ... are more sexually mature later in the summer. If the lowest estimate is treated as the result of ... and Peru Title: Report of the Workshop for the International Coordinated Survey in conjunction with ...
Meeting Document : WG-EMM-01/68 : Auteur(s): Delegations of Japan, Rep. of Korea, USA and Peru
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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
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 ... Ocean, particularly in light of recent modelling initiatives of the whole Antarctic system undertaken by ...
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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Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current
Abstract: One of the longest continuing data sets involving a marine organism in the Antarctic is ... , and inversely, by the extent of sea-ice in the study area 5 winters earlier, and in some way related ... strong correlations to ice conditions in the eastern portion of the study area (174 to 130°W), and ... model indicated that variation in survival of juveniles and subadults might account for the observed ...
Meeting Document : WG-EMM-01/23 : Auteur(s): P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA)
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Trends of the Dissostichus eleginoides stock using the sequential population analysis (SPA) model in Subarea 48.3: 1992-1996
calculated by the WG-FSA in 1995 when F2/3 was applied, which allowed height level of spawning biomass per ... last year (1996) in relation to the previous ones. This result supports the idea that the use of the ... Abstract: This paper presents a model of Sequential Population Analysis (SPA), based in catch at ... age data, for the evaluation of the state of the stock of Dissostichus eleginoides from the area 48.3 ...
Meeting Document : SC-CAMLR-XV/BG/14 : Auteur(s): Delegation of Chile