Résultats de la recherche
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ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW
(Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... estimated that the non-breeding portion of the seal population in McMurdo Sound, during spring and summer ... abundance of toothfish in McMurdo Sound appears already to be leading to a decline in the number of foraging ... will lead to dramatic changes in the populations of charismatic megafauna, particularly the seals ...
Meeting Document : WG-EMM-08/22 : Auteur(s): D. Ainley and D. Siniff (USA)
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Distribution, biomass and abundance of Antarctic krill in the vicinity of Elephant Island during the 1996 austral summer
Abstract: Results from two acoustic and net surveys conducted in the vicinity of Elephant Island ... during the 1996 austral summer indicate very good krill recruitment from spawning in 1994/5. Areas of ... highest since 1992 when the effect of good recruitment from spawning in 1991 was observed. The abundance ... , R.P., Loeb, V. Title: Distribution, biomass and abundance of Antarctic krill in the vicinity of ...
Meeting Document : WG-EMM-96/23 : Auteur(s): Demer, D.A., Hewitt, R.P., Loeb, V.
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Oceanological factors affecting formation of mackerel icefish aggregations in the South Georgia area during different seasons of the year
Rocks. High level of energy exchange, intensive supply of food allow fish to distribute in the wider ... migrate to the spawning grounds. These migrations occurred in the near-bottom layer. The impulse of the ... amount of accumulated fat affects an individual fish readiness to spawning. Icefish spawning in the ... aggregations in the South Georgia area during different seasons of the year Approval: Approved ...
Meeting Document : WG-FSA-05/76 : Auteur(s): Zh.A. Frolkina (Russia)
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
signal was lost just to the west of the South Sandwich Island group in late July, approximately 1300 km ... chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica Approval ... Abstract: Satellite telemetry was used to determine the winter movements and distributions of ... five chinstrap and six Adélie penguins from two breeding colonies in the South Shetland Islands ...
Meeting Document : WG-EMM-02/55 : Auteur(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)
Abstract: The reproductive state and size composition of Euphausia superba collected in the ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ... researchers in the Prydz Bay region for 1981-1985. In mid summer, E.superba of age 2+ to 4+ were predominant ... in all hauls made south of the Antarctic Divergence, while north of the Divergence the krill stock ...
Meeting Document : WG-Krill-94/16 : Auteur(s): E.A. Pakhomov (Ukraine)
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Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
the experts involved in the CCAMLR Ecosystem Monitoring Program. The outcomes of this work will be ... important for CCAMLR in measuring the status and trends of Southern Ocean ecosystems, particularly in ... Headquarters on 7-11 May 2012 in Hobart, Australia, hosted by the Australian Antarctic Division and the ... the discussion on strategies for measuring change in Southern Ocean marine ecosystems, including ship ...
Meeting Document : WG-EMM-12/59 : Auteur(s): A. Constable (Australia)
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The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
the local ecosystem dynamics in this key region requires greater understanding of the extent to which ... regional and local transport pathways to and in the South Orkneys region, and the residence time of krill ... on the South Orkney plateau. We found that including sea ice-associated behaviour of krill in the ... better resolve the connectivity of krill populations in CCAMLR Area 48. Author(s): S.E. Thorpe, E.F ...
Meeting Document : WG-EMM-2019/21 : Auteur(s): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner
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DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA
shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... smaller for higher thresholds. 4. The contrasting probability of encountering fishable concentrations in ... viable in pelagic SSMUs. This is despite the fact that the absolute abundance of both krill and fishable ... (United Kingdom) Title: DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC ...
Meeting Document : WG-EMM-08/16 : Auteur(s): S. Hill and D. Agnew (United Kingdom)
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COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008
distributions of krill between Elephant Island and the South Orkney Islands were similar. The similarity in ... using the traditional Jolly-Hampton (1991) methodology, and represent the first estimate of biomass in ... Abstract: Using a combination of techniques, we examine data from three cruises in 1999, 2000 and ... 2008 to calculate the biomass and demographic characteristics of Antarctic krill (Euphausia superba ...
Meeting Document : WG-EMM-08/26 : Auteur(s): C. Reiss and A. Cossio (USA)
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Preliminary results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014
(Parker et al. 2013). In this paper we provide preliminary results of the third survey in the time series ... the other strata, in particular close to Ross Island in the south and in the north-eastern side of ... monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 Approval ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ...
Meeting Document : WG-SAM-14/24 : Auteur(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)