Resultados de la búsqueda
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FEEDING AND FOOD INTERRELATIONSHIPS OF ANTARCTIC TOOTHFISH D.MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN NEAR-CONTINENTAL WATERS OF THE INDIAN OCEAN ANTARCTIC AREA AND ON THE BANZARE BANK
Abstract: The paper is based on materials on D.mawsoni feeding collected by authors in the four ... near-continental seas of the Indian Ocean Antarctic area (Dupont D’Urville, Mawson, Davis, and ... Cosmonaut Seas) and on the Banzare Bank during 2004-2008. The food relationships are considered. The ... qualitative and quantitative composition of diet for young and adult Antarctic toothfish is studied. The ...
Meeting Document : WG-FSA-08/34 : Autor(es): A.F. Petrov and I.G. Istomin (Russia)
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A randomised sampling design used in the longline fishery for Dissostichus eleginoides in the Southern Indian Ocean
individuals taken by individual longlines in the fishery for Dissostichus eleginoides. The line was divided ... into constituent baskets of line; we used the line as the sampling frame, and baskets as the primary ... sampling units. The design allows representative samples to be taken while a line is being hauled; it ... offers the potential of little disruption to commercial activities and reductions in observer effort ...
Meeting Document : WG-FSA-96/56 : Autor(es): Duhamel, G., Ashford, J.
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EVALUATION OF VME TAXA MONITORING BY OBSERVERS FROM FIVE VESSELS IN THE ROSS SEA REGION ANTARCTIC TOOTHFISH LONGLINE FISHERIES DURING THE 2008-09 SEASON
Abstract: Conservation Measure 22-07 (2008) requires vessels fishing in the Ross Sea region (and ... these samples for subsequent onshore classification by taxonomists. Comparison of the observer’s ... classification versus the taxonomist’s classification showed that for most groups, the observer classifications ... materials; stylasterids and gorgonians. Errors in other groups indicated the observers did not always record ...
Meeting Document : TASO-09/08 : Autor(es): Carter, M., Parker, S.J., Mormede, S., Tracey, D.M.
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Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This report updates the estimates of the biological parameters for Antarctic toothfish ... (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... observer data collected from commercial fishing operations in the Ross Sea. In addition, we review meta ... -data for plausible estimates of the steepness parameter of the stock-recruitment relationship and ...
Meeting Document : WG-FSA-SAM-06/08 : Autor(es): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data
vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... day based upon the angles between the center of the sun and the celestial horizon on the Scotia Sea ... twilight and shallowest around at evening twilight. The range of trawling depth was narrower in the certain ... during summer and early autumn, and deepened gradually from autumn and attained the maximum depth in ...
Meeting Document : WG-EMM-04/44 : Autor(es): K. Taki, T. Hayashi and M. Naganobu (Japan)
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Proposal for extension of fishing season on the exploratory fishery for Dissostichus spp. in Statistical Subarea 48.6 in the 2004/05 season
Abstract: Based on the last year's record of the operation and the advice by WG-IMAF/WG-FSA ... , the extension of the fishing season for the exploratory longline fishery for Dissostichus spp. in ... extension of fishing season on the exploratory fishery for Dissostichus spp. in Statistical Subarea 48.6 in ... the 2004/05 season Approval: Approved ...
Meeting Document : WG-FSA-04/18 : Autor(es): Delegation of Japan
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Information on the spawning of Dissostichus mawsoni from Subareas 88.1 and 88.2 in the 2003/04 season
Dissostichus mawsoni were collected from Sub areas 88.1 and 88.2 in the 2002-2003 season by the New Zealand ... bottom longline vessels Janas, Avro Chieftain and San Aotea II operating in the Exploratory Fishery. The ... first fully mature female fish were found in December, three months earlier than in the previous season ... . The onset of spawning in D. mawsoni is in December and continues until at least June, in both Sub ...
Meeting Document : WG-FSA-04/34 : Autor(es): G.J. Patchell (New Zealand)
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Some data on Antarctic toothfish Dissostichus mawsoni reproduction in the Ross Sea (Subarea 88.1) in the period from December 2002 to March 2003
Abstract: On the grounds of data analysis collected by one of the authors – Prutko V.G. in ... presented. Presence of Antarctic toothfish spawning concentrations in the northern part of the research area ... and presence of “exhausted” individuals are noted. On the basis of the proceeded data and analysis of ... literature information we came to the conclusion that strict limitation of Antarctic toothfish catch was ...
Meeting Document : WG-FSA-03/49 : Autor(es): V.G. Prutko and L.A. Lisovenko (Ukraine)
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The fish fauna of the Argentine Islands region (Antarctica; 12 UAE 2007–2008) and morphometrical changeability of Notothenia coriiceps (Richardson, 1844)
Abstract: Information about fish species composition from region near the Ukrainian Antarctic ... presented. The quantitative indexes of different species fishes and the analysis of their dominant groups ... subdominant in the previous years, but during our researches Notothenia rosii prevailed already. Biological ... and morphometrical analyses of two groups Notothenia coriiceps from the Meek-Penola Channel and near ...
Meeting Document : WG-FSA-12/P06 : Autor(es): V.N. Trokhymets, V.A. Tymofyeyev and J.S. Perechrest
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Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.
initiated Statistical Subarea 48.6 by Japan and South Africa during the 2012/13 fishing season. Two vessels ... participated in the research project in each of the three fishing seasons and the progress achieved during the ... the southern half of Subarea 48.6 already in the current season, more than total number for all ... previous seasons. To date for the first three years of the research project biological data have been ...
Meeting Document : WG-SAM-15/50 : Autor(es): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)