Résultats de la recherche
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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
of it. A second front was apparent at the eastern side of the study area and was tentatively ... -fold over the 2-month period with highest concentrations north of Elephant Island and apparent ... associated with an apparent inflow of water from southeast of the study area; this size mode was not evident ... area, with a frontal system existing to the northwest of Elephant Island. 2) Although there was high ...
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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Foraging strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic krill
trip patterns and diving behaviour of chinstrap penguins breeding at Signy Island, Antarctica, using ... ) and longer overnight (19.9 h) trips, with diurnal trips (74%) being dominant in number (263 out of 355 ... species, with modal maximum dive depth at around 90 to 100 m. Diving patterns and profiles included ... both types of trip fed almost exclusively on Antarctic krill. There was a positive relationship between ...
Meeting Document : WG-EMM-03/37 : Auteur(s): A. Takahashi (Japan), M.J. Dunn, P.N. Trathan (United Kingdom), K. Sato, Y. Naito (Japan), J.P. Croxall (United Kingdom)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06
nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... fished. The 2006 D. mawsoni catch was the second highest on record with a total of 3388 t against a ... -year experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ... of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one ...
Meeting Document : WG-FSA-06/29 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
the debris associated with seabird colonies. The number of Antarctic fur seal entanglements at Bird ... Island reached a peak in 1993 and has showed a general decline since, with the lowest levels on record ... . The number of seabirds contaminated with hydrocarbons remains low. Author(s): Secretariat Title ... than 3 consecutive years (ranging from 5 to 16 years), these are: Cape Shirreff, (Livingston Island ...
Meeting Document : SC-CAMLR-XXIV/BG/13 : Auteur(s): Secretariat
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REVIEW OF CCAMLR ACTIVITIES ON MONITORING MARINE DEBRIS IN THE CONVENTION AREA
associated with seabird colonies and animals contaminated with hydrocarbons at a number of sites, primarily ... monitored at Bird Island with the majority of debris items being fishing lines and hooks. A total of 67 ... Bird Island, South Georgia over the last 10 years, but only small amounts from the other sites. Plastic ... Conservation Measure 26-01. Since 1991, data on entanglements of Antarctic fur seals has been received from 3 ...
Meeting Document : WG-IMAF-09/08 : Auteur(s): Secretariat
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Acoustic estimates of krill density at South Georgia during 11 austral summers between 1981 and 1998
north-eastern and north-western ends of South Georgia. In four of these years density was higher to the ... fluctuated widely from year to year over this time, ranging from?2 to?150 gm-2 (wet weight). The 1982, 199 1 ...
Meeting Document : WG-EMM-98/51 : Auteur(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
September 2019. The survey will be coordinated with a corresponding survey targeting Antarctic toothfish ... productivity of the stock assumed in the stock assessment. 3) Biological characteristics of the northern ... . Evidence to date found no change in these characteristics in June, suggesting sampling later in the ...
Meeting Document : WG-SAM-18/09 : Auteur(s): Delegation of New Zealand
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Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
September 2019. The survey will be coordinated with a corresponding survey targeting Antarctic toothfish ... productivity of the stock assumed in the stock assessment. 3) Biological characteristics of the northern ... . Evidence to date found no change in these characteristics in June, suggesting sampling later in the ...
Meeting Document : WG-FSA-18/40 : Auteur(s): Delegation of New Zealand
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Revised research plan for the 2016/17 toothfish fishery in Division 58.4.4b by Japan and France
August for the current analysis, but not used the cleaning data provided by them in this early September ... methods were generally inconsistent with the observed numbers for each block, but the numbers using ... research operation for the next fishing season with the same survey design and total sample size of 60 ... three years as effective for the calculation following the recommendation in the last WG-SAM meeting ...
Meeting Document : WG-FSA-16/33 Rev. 1 : Auteur(s): Delegations of Japan and France
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
least 3 years with the same sample size as decided at the last CCAMLR meeting for the current research ... of the austral summer sea-ice in the current research blocks during past 10 years. The sea-ice ... required to be separated by not less than 3 n miles from each other, but the rest of lines can be set ...
Meeting Document : WG-FSA-13/38 : Auteur(s): Delegation of Japan