Résultats de la recherche
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Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
Abstract: This paper presents further investigations of the Bayesian sex and age structured ... population stock assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 covering SSRUs ... the tag-derived biomass index were investigated. The impact of hypothesised stock structure, fish ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ...
Meeting Document : WG-SAM-14/29 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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A critical issue for feedback management – how do we determine the level of functional overlap between krill fishing operations and penguin foraging activity?
Abstract: The spatial distribution of the Antarctic krill fishery in Subareas 48.1 to 48.3 has ... changed over time. The majority of catches in Subarea 48.1 are now taken south of the South Shetland ... Islands, following regional decreases in seasonal sea-ice cover. As the cumulative spatial footprint of ... the fishery has expanded along the West Antarctic Peninsula, the cumulative numbers of krill-eating ...
Meeting Document : WG-EMM-15/11 : Auteur(s): P.N. Trathan, J.R.D. Silk, S.L. Hill (United Kingdom) and H.J. Lynch (USA)
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Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part II: The Crozet oceanic zone
Abstract: This report is a presentation of environmental information on the Crozet oceanic zone ... . The natural reserve is actually limited to the 12 nautical miles surrounding 4 islands of the ... oceanic zone (Koubbi et al., 2012). This report is gives: 1. A summary of the ecological ... characteristics of the Crozet oceanic zone on:- Pelagic and benthic biodiversity,- Marine birds and ...
Meeting Document : WG-EMM-16/54 : Auteur(s): P. Koubbi, C. Mignard, R. Causse, O. Da Silva, A. Baudena, C. Bost, C. Cotté, F. D'Ovidio, A. Della Penna, K. Delord, S. Fabri-Ruiz, M. Ferrieux, C. Guinet, C. Lo Monaco, T. Saucède and H. Weimerskirch
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
Abstract: Net selection of the scientific RMT8 plankton net and a commercial sized pelagic trawl ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... and 45 mm are undersampled, probably depending on the size composition of the catch. A preliminary ... study on krill damaged during trawling operations indicates an effect of trawling duration and total ...
Meeting Document : WG-EMM-07/28 : Auteur(s): V. Siegel (Germany)
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Mortality of macaroni penguins (Eudyptes chrysolophus) at Marion Island caused by avian cholera (Pasteurella multocida) in 2004/05
Abstract: At Marion Island, an outbreak of Avian Cholera Pasteurella multocida killed about 2 000 ... of Macaroni Penguins and other species of seabirds were not affected. In March 1993, an unknown ... or other species of seabird. Author(s): R.J.M. Crawford, B.M Dyer, M.S. De Villiers, G.J.G. Hofmeyr ... and D. Tshingana (South Africa) Title: Mortality of macaroni penguins (Eudyptes chrysolophus) at ...
Meeting Document : WG-EMM-05/37 : Auteur(s): R.J.M. Crawford, B.M Dyer, M.S. De Villiers, G.J.G. Hofmeyr and D. Tshingana (South Africa)
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Note on demography of Antarctic seabirds
initial step, this paper attaches a tabulated review of most of the relevant data up to 1981 (Croxall ... , 1982). The most important subsequent demographic studies are referenced in the recent report of the ... proceed in respect of such data. Author(s): J.P. Croxall (United Kingdom) Title: Note on demography of ...
Meeting Document : WG-EMM-01/55 : Auteur(s): J.P. Croxall (United Kingdom)
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A BRIEF DESCRIPTION OF NEW ZEALAND SCIENTIFIC OBSERVER EFFORTS IN THE CCAMLR AREA
Abstract: A brief description of New Zealand scientific observer efforts in the CCAMLR Area is ... provided. The nature and extent of observer deployments in the CCAMLR Area are briefly described (c. 500 ... sea days p.a. in three Subareas). The general training of observers through to post-voyage debriefing ... is noted, along with details of the at-sea work conducted. Data collected and data checking ...
Meeting Document : TASO-09/09 : Auteur(s): Bilton, D., Smith, N.
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By-catch of juvenile fishes – the Antarctic krill fishery
Abstract: One of the non-solved problems in krill exploitation has been the by-catch of fish ... larvae that use (or co-occurred) the krill swarms as their habitat. The detection of this problem started ... quantitative evaluations that give evidences that this technological interaction, is affecting the recovery of ... ): Moreno, C.A. Title: By-catch of juvenile fishes – the Antarctic krill fishery Approval: Approved ...
Meeting Document : WG-FSA-96/18 : Auteur(s): Moreno, C.A.
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A hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1
Abstract: The survey design for an integrated biological/physical survey of Division 58.4.1 ... include hydroacoustic determinations of krill distribution and abundance and physical oceanographic ... sampling along 18 regularly spaced transects from the Antarctic coastline to a distance of 180 n miles. The ... data on krill distribution and abundance will be submitted to CCAMLR for the purpose of setting a ...
Meeting Document : WG-EMM-95/43 : Auteur(s): Nicol, S.
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Report of the CCAMLR Circumpolar Gap Analysis Marine Protected Areas (MPAs) Technical Workshop (Brussels, Belgium, 10 to 14 September 2012)
the aggregation of available data and the development of conservation objectives for the individual ... domains, which can be included in future systematic conservation planning processes. A total of 23 ... scientists participated in the workshop (locally and by teleconference). Author(s): Delegation of Belgium ... Title: Report of the CCAMLR Circumpolar Gap Analysis Marine Protected Areas (MPAs) Technical Workshop ...
Meeting Document : SC-CAMLR-XXXI/BG/16 : Auteur(s): Delegation of Belgium