Resultados de la búsqueda
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A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation
Abstract: Using data collected from US AMLR surveys conducted in the South Shetland Islands we ... review the trends in biomass, size frequency distribution and proportional recruitment of Antarctic Krill ... (Euphausia superba) between 1997 and present. Over the last five years proportional recruitment as been ... extremely low, and the population has aged, suggesting there has been little recruitment since 2000-2001 ...
Meeting Document : WG-EMM-06/32 : Autor(es): C.S. Reiss and A.M. Cossio (USA)
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Stomach contents of the Antarctic toothfish (Dissostichus mawsoni) from the western Ross Sea, Antarctica
Abstract: The stomach contents of 496 Antarctic toothfish (Dissostichus mawsoni) captured by ... bottom longline in the western Ross Sea during the 2003 summer fishing (from Dec 2002 to Jun 2003) season ... length. D. mawsoni feeds on a wide range of prey but is primarily piscivorous. The most important prey ... species was Whitson’s grenadier (Macrourus whitsoni), which dominated the overall diet. In continental ...
Meeting Document : WG-FSA-04/31 : Autor(es): D.W. Stevens (New Zealand)
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In situ observations of the scavenging fauna of the South Georgia slope
Abstract: The scavenging fauna of the South Georgia slope was investigated from 41 baited camera ... deployment at depths of 471-2235 m during research cruises in September 1997 and January 2000 and 2003. The ... scavenging fauna included grenadiers (Macrourus sp.), morids and skates. The data indicate toothfish are ... absent from depths greater than 1800 m and temperatures less than 1.3 C. The arrival rate of crabs at the ...
Meeting Document : WG-FSA-03/76 : Autor(es): M.A. Collins, I. Everson, R. Patterson, P.M. Bagley, C. Yau, M. Belchier and S. Hawkins (United Kingdom)
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Fishing cruise of the Russian trawler Zakhar Sorokin to the Antarctic (Subarea 48.3) from 16 February to 10 March 1999
Sorokin" carried out fishery for icefish Gunnari in CCAMLR subarea 48.3. During the cruise, 88 hauls ... the nothwestern slope of the South Georgia Island, where icefish fed actively on Antarctic krill and ... hour and 57 t per day of fishing. Icefish 27-33 cm long were the basis of catches. Total catch of other ... fish species constituted 9,171 t. Due to opinion of the captain of a Russian vessel and Russian ...
Meeting Document : WG-FSA-99/57 : Autor(es): V.L. Senioukov and P.N. Kochkin (Russia)
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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 : Autor(es): 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 : Autor(es): T. Ogishima, M. Naganobu and S. Matsumura (Japan)
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): T. Earl