Resultados de la búsqueda
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COMPARATIVE CHARACTERISTICS OF BASIC BIOLOGICAL PARAMETERS OF TWO TOOTHFISH SPECIES IN HIGH-LATITUDE SEAS OF THE ANTARCTIC
» in the areas of the Ross Sea and the Antarctic continental shelf (statistical subareas 88.1 and ... 58.4.1) outside the exclusive (marine) economic zones of foreign states, in the period from 5 November ... , 2007 till 24 March, 2008. In the paper size characteristics of Antarctic and Patagonian toothfishes ... caught in different areas of the Antarctic shelf were given as well as characteristics of maturity level ...
Meeting Document : WG-FSA-08/12 : Autor(es): A.K. Zaytsev (Ukraine)
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Estimation of primary organic matter production intensity and its interannual changeability in the Cooperation Sea region
indications of three-year cyclicity:production maxima were noted in 1979, 1982, 1985 and 1988. The sychronism ... biogenous matter accumulation decrease in the upper layer,comparatively with underlayer,in summer period ... of interannual course of the primary production values in various characteristic zones of the sea ... its interannual changeability in the Cooperation Sea region Approval: Approved ...
Meeting Document : WG-CEMP-91/32 : Autor(es): A.T. Kochergin (USSR)
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Summary of notifications for krill fisheries in 2016/17
Abstract: Six Members notified a total of 18 vessels for krill fisheries in 2016/17 in Subareas ... on the CCAMLR website and the notified information on the fishing operation and gear is summarised in ... this paper. Participating Members are thanked for providing feedback and assistance in developing the ... krill fisheries in 2016/17 Approval: Approved Secretariat Workflow Status: Content Approved ...
Meeting Document : WG-EMM-16/72 Rev. 1 : Autor(es): CCAMLR Secretariat
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Distribution of albatrosses and petrels in the WCPFC Convention Area and overlap with WCPFC longline fishing effort
Abstract: This paper presents an analysis of the distribution of albatrosses and petrels in the ... significant proportion (>40%) of their time in high seas areas. Key high seas areas include the Tasman Sea ... and areas north of the Hawaiian Islands. The distribution in high seas areas emphasises the importance ... of WCPFC in bringing about a collaborative approach to reducing seabird bycatch. • Few tracking data ...
Meeting Document : WG-FSA-06/19 : Autor(es): C. Small (BirdLife International)
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Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ... a consistent peak over all sampling seasons in comparison with the southern group in which the ... distribution was multimodal, showed a consistent and significant higher ratio of males to females, was in ... poorer condition, and was more advanced in reproductive development. Author(s): J.M. Fenaughty (New ...
Meeting Document : WG-FSA-05/52 : Autor(es): J.M. Fenaughty (New Zealand)
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Observations of Adélie penguins in two seasons with contrasting weather and sea-ice conditions – a brief report
Abstract: The 2002-03 breeding season in comparison with 2000-01 at Edmondson Point was ... colony during December coinciding with hatching and the guard stage. The sea ice in the Ross Sea was held ... in by the presence of the large icebergs. This resulted in extensive sea ice lasting into February ... adjacent to the Edmonson Point colony. These environmental effects were accompanied by changes in CEMP ...
Meeting Document : WG-EMM-03/59 : Autor(es): S. Olmastroni, F. Pezzo, V. Volpi and S. Focardi (Italy)
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Acoustic assessment of potential bias in abundance estimates of mackerel icefish from trawl surveys
Abstract: In 2000, CCAMLR asked the Working Group on Fish Stock Assessment (WG-FSA), whether ... that a significant proportion of the stock occurred in midwater. If this is the case, then bottom trawl ... trawl and acoustic data taken contemporaneously during a survey for mackerel icefish in the Heard Island ... region (CCAMLR division 58.5.2) in May 2000. The relationship between mackerel icefish catches and the ...
Meeting Document : WAMI-01/05 : Autor(es): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)
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Some comments on the procedure of krill target strength assessment in echosurveys
in echosurveys is discussed. It is known that krill abundance and biomass estimation should be ... considered as two independent tasks with different requirements to midwater trawl utilization in echosurveys ... requires another approach to echosurveys, since two actually independent task should be solved in that case ... : assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ...
Meeting Document : WG-EMM-98/21 : Autor(es): S.M. Kasatkina (Russia)
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PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA
Abstract: of mean krill density in Subarea 48.4 there are premises for formation of the zones ... with meanders and eddy favorable for krill concentration. Here, in the cold water of the Weddell Sea ... , the main part of biomass of Subarea 48.4, are concentrated. In January-February, 2000, almost 60% of ... fields, distributed in a rather narrow depth range,- obviously may promote above said zones, firstly ...
Meeting Document : WG-EMM-09/44 Rev. 1 : Autor(es): S.M. Kasatkina and V.N. Shnar (Russia)
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Latitudinal variation of demersal fish assemblages in the western Ross Sea
Abstract: Demersal fishes were sampled using a large fish trawl during two surveys carried out in ... February and March 2004 and 2008 in the Ross Sea, and around seamounts and islands just to the north at 66 ... °S. The distribution and abundance of 65 species collected in these surveys were examined to ... broad assemblages were identified, in the southern Ross Sea (south of 74°S), central–northern Ross Sea ...
Meeting Document : WG-FSA-10/P03 : Autor(es): M.R. Clark, M.R. Dunn, P.J. McMillan, M.H. Pinkerton, A. Stewart and S.M. Hanchet