Resultados de la búsqueda
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Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales
problematic. In this paper we use ARGOS satellite location data from foraging female fur seals to first ... that collected only in fur seal foraging habitat. Both are compared to krill in fur seal diet. When ... in krill length frequency distributions. We suggest that fur seals are not selecting large krill ... while foraging but are instead selecting foraging locations that have larger krill in densities that ...
Meeting Document : WG-EMM-04/49 : Autor(es): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)
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Seabird by-catch update on industrial Patagonian toothfish fishery in southern Chile
Abstract: Implementation of NPOAs requires in first place an assessment of all longline fisheries ... with presumption of occurring seabird incidental mortality. Chile took this responsibility in 2001 and ... started the NPOA-S process by estimating the seabird bycatch at the Patagonian toothfish fishery in ... determined the initiation of the NPOA to reduce seabird incidental mortality in all longline fisheries in ...
Meeting Document : WG-FSA-04/13 : Autor(es): J. Arata, C.A. Moreno and R. Hucke-Gaete (Chile)
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CPUE DATA
Abstract: An attempt to use CPUE data based on data of erussian observers in the assessment of ... Antarctic toothfish stock in division 58.4.1 is made. Unlike some previous results obtained for this ... biomass in the Ross Sea. As a result of implementation of a dynamic production model, current biomass in ... : ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CPUE DATA Approval: Approved ...
Meeting Document : WG-SAM-09/12 : Autor(es): D. Vasilyev, K. Shust, V. Tatarnikov, I. Istomin and A. Petrov (Russia)
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SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2008/09
in krill fisheries in the CCAMLR Convention Area in the 2008/09 season. Author(s): Secretariat Title ... : SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES IN 2008/09 Approval: Approved ...
Meeting Document : WG-EMM-08/06 : Autor(es): Secretariat
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Echo integration in low signal to noise regimes: methods of noise estimation and removal
Abstract: The results of acoustic surveys, especially in low signal-to-noise regimes, are ... contribution to the above-threshold-signal cannot later be removed in post processing. The only solution is to ... log unthresholded data and to correct for noise in post processing. Integrated data collected at 120 ... requires that logged data have high resolution in both depth and distance. It can be applied so long as ...
Meeting Document : WG-EMM-97/74 : Autor(es): Higginbottom, I., Pauly, T.
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An outline of the Antarctic research cruise by the Japanese RV Kaiyo Maru around the South Shetland Islands in 1994/95
Agency was conducted in the southwest of the Scotia Sea, especially in the vicinity of the South Shetland ... oceanographic and ecological survey in relation to the distribution and abundance of the Antarctic krill ... analytical studies are currently in progress. Author(s): Takao, T., Ogishima, T., Naganobu, M., Ichii, T ... South Shetland Islands in 1994/95 Approval: Approved ...
Meeting Document : WG-EMM-95/50 : Autor(es): Takao, T., Ogishima, T., Naganobu, M., Ichii, T., Kawaguchi, S.
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
maintained in conditions of low food availability. Recent studies have also demonstrated that E. superba ... individuals may be shrinking in the field during winter. If krill shrink during the winter, conclusions ... reached by length-frequency analysis may be unreliable. In this study, the correlation between the body ... -length and the crystalline cone number of the compound eye was examined. Samples collected in the late ...
Meeting Document : WG-Krill-94/17 : Autor(es): W. de la Mare (Australia)
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Net escapement of Antarctic krill in trawls
Abstract: This document describes the aims and methodology of a three year project (commenced in ... 2012) entitled Net Escapement of Antarctic krill in Trawls (NEAT). The study will include a morphology ... . Results will be used to quantify the theoretic catch efficiency and escape mortality in different net ... selective properties for krill in different trawls. Author(s): B.A. Krafft (Norway), L.A. Krag, B. Herrmann ...
Meeting Document : WG-EMM-12/24 : Autor(es): B.A. Krafft (Norway), L.A. Krag, B. Herrmann (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway)
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Modern data on parasitofauna of Dissostichus mawsoni and by-catch species from logline fishing in Antarctica
about this ecological group in Antarctica is very scared. Partial geographical and ecological isolation ... – Lophoura szidati. In this work we conclude the results of preliminary analysis of collected parasites of ... Antarctic fishes that were caught during longline fishing in seasons 2010/11 and 2011/12 in Subareas 88.1 ... Dissostichus mawsoni and by-catch species from logline fishing in Antarctica Approval: Approved ...
Meeting Document : WG-FSA-12/P09 : Autor(es): I.I. Gordeev and S.G. Sokolov
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Antarctic krill populations in the outflow region of the north-western Weddell Sea
Abstract: A meso-scale zooplankton and krill net sampling survey was carried out in the north ... -western Weddell See and in Bransfield Strait/western Antarctic Peninsula during late January to early ... distribution in the outflow region of the Weddell Sea. Due to severe pack-ice conditions, more than half of the ... highest in the western Peninsula region and lower in ice-covered Weddell Sea waters. Overall krill density ...
Meeting Document : WG-EMM-13/24 : Autor(es): V. Siegel (European Union)