Résultats de la recherche
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Winter and summer foraging location of Adélie penguins from Mawson, Davis and Casey
with a diet which is largely comprised of the fishery target species Antarctic krill (Euphausia superba ... relation to potential direct or indirect overlap with the krill fishery. Here we present winter and summer ... km away from their breeding colonies with their journey being closely associated with the sea-ice ...
Meeting Document : WG-EMM-13/08 : Auteur(s): L. Emmerson, N. Kokubun and C. Southwell (Australia)
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Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index
temporal variability of fishing operations by pairing each individual tag release or recapture event with ... with respect to the tag detection index in the Ross Sea region. Here we present the results of ... assessments for the Ross Sea and Subarea 88.2 fisheries, with respect to both tag releases and tag recaptures ... . This recommendation is in accordance with that of most of the participants at WG-SAM 2013 (paragraph ...
Meeting Document : WG-FSA-13/50 : Auteur(s): S. Mormede (New Zealand)
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PROPOSAL TO STRENGTHEN CCAMLR’S PORT INSPECTION SCHEME TO PREVENT, DETER AND ELIMINATE ILLEGAL, UNREPORTED AND UNREGULATED FISHING
improve compliance with that measure. Since the Commission’s 2009 annual meeting, the FAO Conference ... its scope and the implementation of minimum standards consistent with the FAO Agreement. Moving ... towards a harmonized set of minimum standards should ultimately facilitate Members’ compliance with ... 2008 and 2009 to CM 10-03. We look forward to further discussing this proposal with Members of the ...
Meeting Document : CCAMLR-XXIX/35 : Auteur(s): Delegations of the USA and the European Union
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Interaction between oceanography, krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05
depth (ITEM-200). Distribution of ITEM-200 was used as background information for comparing with ... whales (Megaptera novaeangliae) mainly distributed in the Antarctic Circumpolar Current (ACC) waters with ... extended in ASW. Antarctic minke whales (Balaenoptera bonaerensis) mainly distributed in ASW and SW with a ... distributions of krill and baleen whales with ITEM-200 could yield quantitative information to identify the ...
Meeting Document : WG-EMM-07/07 : Auteur(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka and K. Ito (Japan)
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Modelling the impact of krill fishing on seal and penguin colonies
with the foraging area of land-based predators such as seals and penguins in the Antarctic Peninsula ... ) are necessary given that there is a flux of krill through this region with its islands habited by ... spatial modelling framework that could be used to couple flux estimates with estimates of removals by both ... features with the Antarctic Peninsula ecosystem in that there is a substantial advective flux of either ...
Meeting Document : WG-EMM-05/14 : Auteur(s): É.E. Plagányi and D.S. Butterworth (South Africa)
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Marine debris, entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula, 2010/11
Island. In total, 177 items of marine debris were found in association with seabird colonies at Bird ... Island, with the highest overall number (80 items) associated with grey-headed albatrosses, and the ... highest incidence of fishery-related debris (39 items) associated with wandering albatrosses. No ... 2009/10. Debris associated with seabird colonies was below the mean level in wandering albatross and ...
Meeting Document : SC-CAMLR-XXX/BG/05 : Auteur(s): Delegation of the United Kingdom
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A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL
production are still very uncertain. Recently, circumpolar krill databases, combined with growth models and ... abundance of 8x1014 postlarvae with biomass of 379 million tonnes (Mt). These values are based on a ... of relative krill density around Antarctica with the most recent, acoustics-derived, value for the ... the total stock, with total biomass of ~133 Mt in January-February 2000. Gross postlarval production ...
Meeting Document : WG-EMM-08/17 : Auteur(s): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
. Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ... carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... opisthopterus). Minor prey found in stomachs included isopods, mysids, salps and polychaetes, with rocks and ... ) were generally consistent with stomach contents. Carbon isotope results (δ13C =-24.7±0.8‰) were ...
Meeting Document : WG-EMM-12/P03 : Auteur(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ... below an established depletion threshold (75% of its unimpacted level), with consequent risks for some ... unimpacted level, with up to a 50% chance of falling below the depletion threshold. Simulated krill fishing ... offset the increased risks associated with ocean warming in our model to some extent. These results ...
Meeting Document : WG-EMM-18/P02 : Auteur(s): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
single value for males and females combined, with a uniform prior within the base model used in 2017 for ... Antarctic toothfish in the Ross Sea region. The model MCMCs estimated M =0.11 y-1 (0.09–0.13 y-1) with B0 ... mortality was lower and estimated the precautionary yield higher (3419 t compared with 3258 t). MPD ... estimated with relatively high precision and with no bias. Further investigations will need to be carried ...
Meeting Document : WG-SAM-2019/04 : Auteur(s): B. Moore, S. Mormede, S. Parker and A. Dunn