Résultats de la recherche
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
and abundance of krill near the South Orkneys among years, we here attempt to generate a coherent ... coverage, we also define a stratum within the survey area on the north side of the islands with full ... high, in the range 100-300 g/m 2 based on the 120 kHz recordings, and a total estimated biomass of ca ...
Meeting Document : WG-EMM-15/54 : Auteur(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58.4.2-1, 58.4.1-2, 58.4.1-3, 58.4.1-4, and 58.4.1-5 for the exploratory longline fishery in 2014/2015 of Korea
Abstract: The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... as a part of Korean research plan for the exploratory longline fishery for Dissostichus spp. during ... . mawsoni were studied using 549 specimens (74 to 181 cm in body length). D. mawsoni is a carnivore and ...
Meeting Document : WG-FSA-15/57 : Auteur(s): Delegation of the Republic of Korea
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Classification of Southern Ocean krill and icefish echoes using Random Forests
Abstract: Target identification remains a challenge for acoustic surveys of marine fauna ... . Antarctic krill, Euphausia superba, are typically identified through a combination of expert scrutiny of ... population could indicate the magnitude of this bias, but first a reliable target identification method is ...
Meeting Document : WG-EMM-16/23 : Auteur(s): N. Fallon, S. Fielding and P. Fernandes
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Summary of research voyages in the South Orkney Islands region in 2015/16
behaviour of krill and its predators across a range of temporal and spatial scales using acoustics, nets and ... cameras. The research vessel data are linked to complementary studies undertaken from a commercial fishing ... ). The expedition used a range of scientific sampling gear and video and photographic equipment to ...
Meeting Document : SC-CAMLR-XXXV/BG/28 : Auteur(s): Delegations of the United Kingdom and Norway
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Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes
shelf and slope stocks were detectable in both δ13C and δ15N values. The NFA and SI profiles show a ... pattern of differences between regional stocks. The NFA profiles of the RSS stock displays a considerable ... overlap between adults and subadults but also shows a size effect. The IOS and POS stocks showed quite ...
Meeting Document : WG-FSA-18/21 : Auteur(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An
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Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish Dissostichus eleginoides?
, showed a sharp population boundary in the vicinity of the Polar Front, between South Georgia and the ... North Scotia Ridge. These results validated otolith nucleus chemistry as a technique for examining ...
Meeting Document : WG-FSA-06/P2 : Auteur(s): Ashford, J.R., A.I. Arkhipkin and C.M. Jones
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Proposal to standardise the submission of meeting documents to working groups
Abstract: At the request of the Scientific Committee, the Secretariat has prepared a single ... in preparing information and documents for meetings. The Secretariat plans to submit a similar ...
Meeting Document : WG-EMM-05/10 : Auteur(s): Secretariat
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Review of research into seabird–fishery interactions
. The research was divided into five main groupings: a) estimation of bycatch; b) population estimation ... mitigation efficacy had been covered under a separate review (Bull, unpublished). The review was conducted to ...
Meeting Document : WG-FSA-05/42 : Auteur(s): R. Alderman (New Zealand)
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 2001–2002
sanctioned fishing trips. Fishing effort was 2.9 million hooks, a 36% reduction on the number of hooks set in ... seabird bycatch rate by sanctioned vessels was 0.001 birds per 1 000 hooks which is a significant drop ...
Meeting Document : WG-FSA-02/17 : Auteur(s): B.P. Watkins (South Africa)
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ... an area for a particular length class that are taken in different depth zones are Beta-distributed ...
Meeting Document : WG-FSA-02/64 : Auteur(s): G.P. Kirkwood (United Kingdom)