Résultats de la recherche
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DEMOGRAPHIC PATTERNS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) EXPLAIN THE SPATIAL SEGREGATION OF BALEEN WHALES (MYSTICETI) AROUND THE SOUTH SHETLAND ISLANDS, ANTARCTICA
January surveys 2003 to 2007, we examine the spatial relationships between baleen whale distributions and ... Antarctic krill (Euphausia superba) abundance and demography near the South Shetland Islands (Antarctic ... sampled over five years resulting in the most comprehensive linked whale-krill study in the SW Atlantic ... model the overlap between three species of baleen whales and their krill prey. Whales exhibited ...
Meeting Document : WG-EMM-09/33 : Auteur(s): J.A. Santora, C.S. Reiss, V.J. Loeb and R.R. Veit (USA)
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The importance of Antarctic Toothfish as prey of Weddell Seals in the Ross Sea: a Review
Abstract: Uncertainty exists over the importance of Antarctic toothfish (Dissostichus mawsoni) as ... prey of top predators in the Ross Sea. We herein assess relative weight given to direct, observational ... that toothfish are important to Weddell seals (Leptonychotes weddellii). The seals eat only the flesh ... day. Based on these and other data, the non-breeding portion of the McMurdo Sound seal population ...
Meeting Document : WG-EMM-09/P02 : Auteur(s): D.G. Ainley and D.B. Siniff
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
Abstract: Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ... Elephant Island area are examined to determine the level of sampling effort required to adequately assess ... the (1) abundance and demographic structure of Antarctic krill and (2) relative abundance and ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ...
Meeting Document : WG-EMM-97/32 : Auteur(s): Loeb, V.
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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 ... images. Author(s): T. Ogishima, M. Naganobu and S. Matsumura (Japan) Title: A note on the chlorophyll ...
Meeting Document : WG-KRILL-93/33 : Auteur(s): T. Ogishima, M. Naganobu and S. Matsumura (Japan)
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Evaluation of VME taxa classification by scientific observers from New Zealand vessels in the Ross Sea Antarctic toothfish longline fishery during the 2009/10 season
Abstract: Conservation Measure 22-07 (2008) requires vessels fishing in the Ross Sea (and most ... Observers from four vessels in the Ross Sea Antarctic toothfish longline fishery during the 2009-10 season ... made to the classification guide, along with specific training, benefitted the accuracy of data ... collection. Comparison of the observer’s classification versus the taxonomist’s classification showed that ...
Meeting Document : TASO-10/10 : Auteur(s): D.M. Tracey, M.E. Carter and S.J. Parker (New Zealand)
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Definition of age characteristics of Antarctic toothfish (Dissostichus mawsoni) from the Indian Ocean sector of the Antarctic region
Abstract: For the determination of the age of Dissostichus mawsoni used otoliths and scales. All ... samples were collected in the Indian Ocean sector of the Southern Ocean. Methods are described. Otoliths ... well in the sections of otoliths as certain groups of the annual rings. Author(s): L. Pshenichnov, I ... (Dissostichus mawsoni) from the Indian Ocean sector of the Antarctic region Approval: Approved ...
Meeting Document : WG-FSA-10/13 : Auteur(s): L. Pshenichnov, I. Slypko and K. Vyshniakova (Ukraine)
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Comparative analysis of the results of determination of reproductive ability of Antarctic toothfish in the Subarea 88.3
Dissostichus mawsoni caught in the Bellingshausen Sea in 2011- 2012 seasons are presented. Morphological ... the Bellingshausen Sea the Antarctic toothfish had deferred reproductive ability compared with other ... subareas of the Pacific Antarctic studied previously, it was detected a low share of females with the ... ovaries at the stage of vitelligenous growth of oocytes (diameter 1.41-1.61 mm), and males with maturing ...
Meeting Document : WG-FSA-12/32 : Auteur(s): S.V. Piyanova, A.F. Petrov and A.V. Presnyakov (Russia)
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On interim distribution of the trigger level in the fishery for Euphausia superba in Statistical Subareas 48.1, 48.2, 48.3 and 48.4
Abstract: Taking into account the practice and current state of krill fishery in Area 48, Ukraine ... proposed to upgrade the Conservation Measure 51-07 in order to redistribute the trigger level of catch in ... establishing season limitations of close to shore fishery. New revision will still enable to follow the ... precaution conservation principles of the Convention and in the same time will not inflict an economic damage ...
Meeting Document : WG-EMM-16/56 : Auteur(s): G. Milinevskyi and K. Demianenko
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Sensitivities in the assessment of the Patagonian toothfish (D. eleginoides) in Subareas 48.3 and 48.4 to truncation of tagging data
Abstract: The assessment of toothfish in CCAMLR subarea 48.3 currently uses the first four years ... of tag recaptures post release as input data, whereas the assessment in subarea 48.4 uses all ... available recapture data (excluding in-year recaptures). A theoretical analysis of the use of data from ... introduce bias into the assessment. Sensitivity tests on both stocks show that this bias occurs in practice ...
Meeting Document : WG-SAM-17/35 : Auteur(s): T. Earl
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Report on 2017 Activities of the Southern Ocean Observing System (SOOS), relevant to the work of CCAMLR
Abstract: The Southern Ocean Observing System (SOOS) has developed a number of networks and ... products of importance to the work of CCAMLR. Through this paper, SOOS seeks to update SC-CCAMLR on this ... . SOOS encourages CCAMLR delegates to communicate with, and be involved in the SOOS regional networks ... contribute directly to the Database of Upcoming Expeditions to the Southern Ocean to facilitate international ...
Meeting Document : SC-CAMLR-XXXVI/BG/14 : Auteur(s): Submitted by SCOR