Résultats de la recherche
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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 ... (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway) Title: Net escapement of Antarctic krill in trawls ...
Meeting Document : WG-EMM-12/24 : Auteur(s): B.A. Krafft (Norway), L.A. Krag, B. Herrmann (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway)
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Movement of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3
data. Data from 33,322 tag releases and 4,203 tag recaptures were used. The mean movement rate of both ... Abstract: Movement of Patagonian toothfish in Subarea 48.3 was investigated using tagging program ... between male and female fish of the same maturity category. Male and females with developed, ripe and ... significant negative positive correlation between movement rate and local toothfish density at the point of ...
Meeting Document : WG-SAM-12/19 : Auteur(s): T. Peatman, S.M. Martin, J. Pearce and R.E. Mitchell (United Kingdom)
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Integrated weight longlines: potential for reduction of skate by catch in demersal longline fisheries
two vessels targeting Pacific cod (Gadus macrocephalus) over a five-month period in the Bering Sea ... ) Title: Integrated weight longlines: potential for reduction of skate by catch in demersal longline ... weight longlines (IW) in a demersal longline fishery for effects on skate bycatch. Trials took place on ... , Alaska, USA. The skate catch rate was 11% lower on the IW gear compared to unweighted gear. Location ...
Meeting Document : WG-FSA-07/51 : Auteur(s): K. Dietrich and E. Melvin (USA)
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Counts of surface-nesting seabirds at Marion Island in 2003/04
appear stable at the island, but often with large fluctuations in numbers breeding. Numbers of dark ... continued to decrease at Marion Island in 2003/04. The decreases are thought to be due to a reduced ... have shown a long-term decrease, although the count for dark-mantled sooty albatrosses was higher in ... Abstract: Numbers of gentoo penguins Pygoscelis papua, macaroni penguins Eudyptes chrysolophus ...
Meeting Document : WG-EMM-04/29 : Auteur(s): R.J.M Crawford, N. de Bruyn, B.M. Dyer, B. Hanise, N.T.W. Klages, P.G. Ryan, L.G. Underhill and L. Upfold (South Africa)
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Diving location and depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island, Antarctica
need of chick-feeding and the temporal changes in prey availability between the two reproduction stages ... depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island ... Island, Antarctica, diving characteristics of breeding chinstrap penguin parents were recorded by ... diving areas and longer foraging trips during incubation period while they dive in on-shore areas for a ...
Meeting Document : WG-EMM-17/P01 : Auteur(s): W.Y. Lee, S. Park, N. Choi, K.W. Kim, H. Chung and J.-H. Kim
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Short note: report of bacterial infectious Antarctic krill (Euphausia superba) in South Georgia
Abstract: We report of affected Antarctic krill (Euphausia superba) observed during the ... observation onboard the F/V Chiyo Maru No.5, from 08/08/03 to 17/09/03 in South Georgia region. Author(s): T ... . Hayashi and M. Naganobu (Japan) Title: Short note: report of bacterial infectious Antarctic krill ... (Euphausia superba) in South Georgia Approval: Approved ...
Meeting Document : WG-EMM-04/43 : Auteur(s): T. Hayashi and M. Naganobu (Japan)
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Last investigations of Ukraine in Antarctica connected with assumed marine protected area
Abstract: Description of some biological and ecological investigations of Ukraine in Antarctica ... in vicinity of Argentine Islands Archipelago are presented. Main activity: investigations of birds ... variations study of the atmosphere ozonedepleting organic halides, study of the ice caps and glaciers ... of Ukraine in Antarctica connected with assumed marine protected area Approval: Approved ...
Meeting Document : WG-EMM-06/33 : Auteur(s): Delegation of Ukraine
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On spatial-temporal variability of krill length composition in Subarea 48.1. Comments and proposals
Abstract: The issues are discussed on estimating spatial-temporal distribution of krill length ... composition in Subarea 48.1 as the essential information for stock assessment and developing management advice ... . Author(s): S. Kasatkina and A. Sytov Title: On spatial-temporal variability of krill length composition ... in Subarea 48.1. Comments and proposals Microsoft Word File: emm-2019-56.doc Approval: Approved ...
Meeting Document : WG-EMM-2019/56 : Auteur(s): S. Kasatkina and A. Sytov
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Statistical modelling of by-catch patterns: a preliminary case study using research fisheries in Subarea 48.6
zero-inflation. The result contains several issues including the failure of estimation in considerable ... Abstract: We report a preliminary result of statistical modeling of grenadier bycatch pattern by ... bottom longline research fisheries in CCAMLR Subarea 48.6, using generalized linear mixed models with ... number of candidate models, overdispersion and insufficient prediction of zero-catch, suggesting that ...
Meeting Document : WG-SAM-2019/09 : Auteur(s): K. Sawada and T. Okuda
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Modern data on parasitofauna of Dissostichus mawsoni and by-catch species from logline fishing in Antarctica
– Lophoura szidati. In this work we conclude the results of preliminary analysis of collected parasites of ... parasites, which sometimes have unpredictably large sizes and distribution. The best example of it ... Abstract: Parasites are one of an integral part of any ecosystem and unfortunately knowledge ... about this ecological group in Antarctica is very scared. Partial geographical and ecological isolation ...
Meeting Document : WG-FSA-12/P09 : Auteur(s): I.I. Gordeev and S.G. Sokolov