Résultats de la recherche
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A note on the chlorophyll measurement by satellite remote sensing in the Antarctic Ocean
Abstract: This paper describes the usefulness of satellite ocean color remote sensing in the ... concentrations in the sea area off Enderby Land, Antarctica. In addition, some characteristics of the chlorophyll ... distribution in the Antarctic Ocean are briefly explained by means of the three-month(January-March) composite ... measurement by satellite remote sensing in the Antarctic Ocean Approval: Approved ...
Meeting Document : WG-KRILL-93/33 : Auteur(s): T. Ogishima, M. Naganobu and S. Matsumura (Japan)
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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
superba Dana) aggregations detected and sized acoustically in the south-west Indian Ocean are described ... . The aggregations were on average considerably smaller than elsewhere in the Antarctic. Aggregation ... is consistent with the absence of pronounced hydrographic or topographic concentrating mechanisms in ... scale of I km, suggesting that they could have been in the process of fragmenting or amalgamating ...
Meeting Document : WS-KCPUE-89/11 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)
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DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
recognized in the Southern Ocean and one in cold temperate to Arctic waters in the North Atlantic Ocean. DNA ... four well supported clades among the three Southern Ocean species. Additional specimens collected in ... , based on a Restriction Fragment Length Polymorphism (RFLP) test. Three characters counted/scored in the ... divergence or slow nucleotide substitution at COI in this genus. Author(s): P.J. Smith (New Zealand), D ...
Meeting Document : WG-FSA-10/33 : Auteur(s): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)
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Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula
Abstract: We asked whether silverfish (Pleuragramma antarcticum) are distributed in independent ... , reduction in sea-ice along the WAP may lead to extinction of local populations through drastic mortality of ... in areas subsidized by migration may be more robust to declining sea ice coverage. We provide ... simulations using a circulation model. Differences in length distributions and maturity suggested two discrete ...
Meeting Document : WG-FSA-10/16 : Auteur(s): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser
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A review of by-catch in CCAMLR exploratory toothfish fisheries
thorough and effective management of Southern Ocean toothfish fisheries, especially in eliminating ... caught as bycatch annually. Fish bycatch mitigation controls in toothfish fisheries have seen a ... thoroughly investigated. This study explores trends in fish bycatch of exploratory fisheries for toothfish ... measures. We found a significant reduction in bycatch landings by weight and number of individuals across ...
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
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessment and catch limits according to CCAMLR decision ... Conservation Measure 41–01 to support a proposal for an Australian vessel to participate in exploratory fishing ... (highlighted in blue). Standardised longline fishing, in conjunction with fish biological measurements, tagging ...
Meeting Document : WG-FSA-15/47 Rev. 1 : Auteur(s): Delegation of Australia
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Analyses of illegal, unreported and unregulated (IUU) fishing activities in Divisions 58.4.1 during the 2013/14 season and 58.4.3b during the 2014/15 season
data from four IUU vessels including reported removals, video footage, and catch in gillnets recovered ... by an NGO vessel. As requested in WG-FSA-17 paragraph 2.16, this document provides an analysis of the ... spatio-temporal distributions of catch and effort by the Chang Bai, Nihewan and Jiangfeng in Division ... 58.4.1 during the 2013/14 season, as well as the Thunder in Division 58.4.3b during the 2014/15 season ...
Meeting Document : WG-FSA-18/60 : Auteur(s): Delegation of Australia and CCAMLR Secretariat
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Preliminary results from the International Synoptic Krill Survey in Area 48, 2019
Abstract: Preliminary results from the International Synoptic Krill Survey in Area 48, 2019, are ... presented. Of the six vessels that participated in the survey, this report provides methods and preliminary ... stations. Acoustic transects and trawling were carried out as per survey procedures developed in 2018 ... , which were based on the methods and procedures used in the CCAMLR 2000 krill acoustic survey ...
Meeting Document : WG-EMM-2019/47 : Auteur(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox
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China’s plan for marine investigation and assessment in the East Antarctic sector
almost 10% of the world ocean, the collection of scientific data and information in support of effective ... recommendations and advice for management, the SC-CAMLR is mandated to encourage and promote cooperation in the ... field of scientific research in order to extend knowledge of the marine living resources of the ... area around east Antarctica is generally recognized as data-poor region. During the discussion in the ...
Meeting Document : CCAMLR-38/BG/53 : Auteur(s): Delegation of the People’s Republic of China
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... vessels in the fishery for Antarctic toothfish (Dissostichus mawsoni) between December 2011 and February ... 2012 from CCAMLR subareas 88.1B, 88.1C, 88.1G, 88.1H, 88.1K and 88.2H. In total, 227 M. whitsoni and ... . whitsoni examined was 65 cm TL and 1.3 kg. The two main morphological characters (number of rays in the ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Auteur(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)