Résultats de la recherche
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Satellite tracking of black-browed and light-mantled sooty albatrosses from Heard Island and potential interactions with fisheries
Abstract: The purpose of this document is to inform CCAMLR of the results of a satellite tracking ... ). This was the first time the movements of either species from the island had been studied. Ten black ... foraged on the shelf break within 150 km of Heard Island, and focused 75% of their foraging time in waters ... over submarine canyons on Gunneri Ridge, north east of the island. There was considerable spatial ...
Meeting Document : WG-FSA-05/14 : Auteur(s): K. Lawton, R. Kirkwood and G. Robertson (Australia)
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Krill fishery report: 2012 update
have fished for krill in Area 48; one vessel is using the continuous fishing system. The total catch ... were fishing, at the time of preparing this report, and 935 t of krill has been reported so far for ... June. The forecast total catch of krill for this season ranges approximately from 108000 to 151000 t ... . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ...
Meeting Document : WG-EMM-12/05 : Auteur(s): Secretariat
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
Abstract: High-latitude ecosystems are among the fastest warming on the planet. Polar species may ... that, within their main population centre in the southwest Atlantic sector, the distribution of ... Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... limit, numerical densities have declined sharply and the population has become more concentrated towards ...
Meeting Document : WG-EMM-2019/P02 : Auteur(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales
spatial temporal scales for the two data sets are approximated as close as possible we found no difference ... compare krill length frequency data collected over the entire West area of the U.S. AMLR survey grid with ...
Meeting Document : WG-EMM-04/49 : Auteur(s): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)
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A review of by-catch in CCAMLR exploratory toothfish fisheries
Abstract: Mitigating the adverse affects of commercial fishing on the environment is an integral ... to gain priority, despite their numbers being relatively low compared to fish bycatch species. The ... Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) is widely recognized for its ... incidental seabird mortality, but comparatively little research has been applied to the thousands of fish ...
Meeting Document : WG-FSA-14/16 : Auteur(s): E. McClure, K. Reid (Secretariat)
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Research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia
with the exception of responses to Agenda Item No. 3.12 of the Draft Report of the WG-SAM-15 ... and aging, will be used to develop a stock assessment for these divisions and inform the necessary ... toothfish habitat use. These models will inform spatial management approaches for toothfish, and the ... conservation of representative areas of benthic biodiversity. Additional outcomes include mapping of the ...
Meeting Document : WG-FSA-15/47 Rev. 1 : Auteur(s): Delegation of Australia
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Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2019/20 by Japan, South Africa and Spain
2013 to enhance data collection and analysis in the subarea 48.6. From the last season (2018/19) Spain ... has joined the proposal in order to contribute to the data acquisition and to speed up the integrated ... assessments of the D.mawsoni stock in this subarea (FSA-18/34). The continuation of the three-member research ... investigations about the population structure and various demographic parameters of Antarctic toothfish ...
Meeting Document : WG-SAM-2019/13 Rev. 1 : Auteur(s): Delegations of Japan, South Africa and Spain
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Light-mantled sooty albatross on Campbell Island, 1995–96: a pilot investigation
were at least 1600 nests on the island in 1995-96. Standard vantage points were established for future ... Document Release Consent: No Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : SC-CAMLR-XVII/BG/09 : Auteur(s): Delegation of New Zealand
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
groundfish surveys may not yet be large enough to be available to the longline fishery and there have been no ... Abstract: In 2000 the UK started a toothfish (Dissostichus eleginoides) tagging programme. The ... aims were to investigate the spatial and temporal movement of fish and to validate growth estimates ... Oxytetracycline which places a marker on the otolith indicating the date of injection and release. To date, 50 ...
Meeting Document : WG-FSA-02/28 : Auteur(s): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
Abstract: The current CCAMLR protocol specifies daytime acoustic sampling in order to avoid ... issues of krill migrating too close to the surface to be acoustically detected, as well as potential ... data were collected both during day and night for the 2019 Scotia Sea large-scale krill monitoring ... survey. Data from upward-looking, stationary platforms offer unique opportunities for assessing the ...
Meeting Document : WG-EMM-2019/32 : Auteur(s): T. Klevjer, G. Skaret and B.A. Krafft