Résultats de la recherche
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Spatial distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries overlap
Abstract: The measurement of spatial overlap between predators and fisheries exploiting a common ... prey source is dependent upon the measurement scale used and the use of inappropriate scales may ... provide misleading results. Previous assessments of the level of overlap between predators and fisheries ... for Antarctic krill Euphausia superba in the South Shetland Islands have used different measurement ...
Meeting Document : WG-EMM-02/14 : Auteur(s): K. Reid, M. Sims, R.W. White and K.W. Gillon (United Kingdom)
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The fishery for Champsocephalus gunnari and its biology at Heard Island (Division 58.5.2)
Abstract: Commercial trawl fisheries in the modern era started within the Heard Island EEZ in ... 1997. This paper summarises the fishing activities to date and collates the information on the biology ... of the species gathered from the fishery and from a series of fishery-independent surveys conducted ... between 1990 and 2000. Icefish abundance varies widely between years and the fishery is dependent on ...
Meeting Document : WAMI-01/04 : Auteur(s): R. Williams, E. van Wijk, A. Constable and T. Lamb (Australia)
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ON THE STUDY OF FECUNDITY AND EGGS SIZE OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI NORMAN 1937
Abstract: The results of the microscopic analyses of the Antarctic toothfish (Dissostichus ... mawsoni) fecundity and eggs size, caught in December-March the Pacific and Indian Ocean area of the ... Antarctica are presented. We analyzed the main reproductive characteristics which determinate the individual ... fecundity of the Antarctic toothfish: individual absolute fecundity by the largest oocytes, share of largest ...
Meeting Document : WG-FSA-08/35 : Auteur(s): S.V. Piyanova. A.F. Petrov and N.V. Kokorin (Russia)
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Squalus acanthias – a new species in the Antarctic ichthyofauna (Division 58.5.1)
Abstract: Four species of shark have been known to date to occur in the sub-Antarctic waters ... was captured in February 1995 on the shelf of the Kerguelen Islands from the depth of about 195 m and ... duly described. Squalus acanthias is believed to be one of the most widespread shark species in the ... World Ocean. The fact of capturing this species in the Kerguelen waters enlarges by far its range and ...
Meeting Document : WG-FSA-96/14 : Auteur(s): Pshenichnov, L.K.
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Water mass distribution and circulation west of the Antarctic peninsula and including Bransfield Strait
Abstract: Historical hydrographic data from Bransfield Strait and the region west of the ... 34.6 to 34.73 and oxygen values below 4.5 ml 1-1, is the most prominent water mass in this region, is ... found between 200 and 700 m, and is present in all seasons throughout the region examined. Below 200 m ... this water mass floods the continental shelf west of the Antarctic Peninsula. CDW is also found in ...
Meeting Document : WG-EMM-95/67 : Auteur(s): Smith, D.A., Lascara, C.M., Klinck, J.M., Hofmann, E.E.
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Further calculations of the effects of krill fishing on predators
Abstract: Earlier initial modelling attempts by the authors are extended to consider the ... achieved by making the survival rates depend instead on krill "availability", where there is a ... random component in the relationship between krill biomass and availability. An examination of the ... consequences in the case of the blackbrowed albatross suggest that these other factors result in yet lesser ...
Meeting Document : WG-Krill-94/24 : Auteur(s): D.S. Butterworth and R.B. Thomson (South Africa)
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The Ross Sea region Marine Protected Area Research and Monitoring Plan (WG-SAM 2017)
Abstract: The Ross Sea region MPA Research and Monitoring Plan Workshop (WS-RMP) was held at the ... April 2017. The purpose of the workshop was to develop a draft research and monitoring plan (RMP) for ... the Ross Sea region MPA. The RMP is required to be introduced to CCAMLR at the annual meetings of the ... Scientific Committee and Commission later this year, prior to the Ross Sea Region MPA’s implementation in ...
Meeting Document : WG-SAM-17/42 : Auteur(s): A. Dunn, M. Vacchi and G. Watters
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The Weddell Sea MPA revisited: questions, comments and suggestions
the Weddell Sea MPA proposal tabled to CCAMLR in 2016 by the delegation of the European Union and its ... Member States. We present results from Marxan and other analyses conducted for the purpose of evaluating ... aspects of the Weddell Sea MPA planning process which were integral to the development of the proposal ... , focusing on the suitability of the Marxan analysis to inform MPA border delineation and the potential ...
Meeting Document : WG-EMM-17/42 : Auteur(s): M. Bristow and O.R. Godø
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Extending the time series of catch-weighted length frequencies
Abstract: The standard procedure used to extract catch-weighted length frequencies can only make ... use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... /95 onwards. The procedure cannot use the earlier data collected between 1984/85 and 1991/93, and data ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ...
Meeting Document : WG-FSA-SAM-06/04 : Auteur(s): David Ramm & Lydia Millar
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A review of models of Southern Ocean ecosystems: krill, ecosystems and the impacts of harvesting
Abstract: An ecosystem approach for the management of human activities in the Southern Ocean is ... enshrined in the principles of the Commission for the Conservation of Antarctic Marine Living Resources ... (CCAMLR). The implementation of such an approach requires an understanding of the wider dynamics of the ... ecosystem, which is best achieved through the development of ecosystem models. However, not all models will ...
Meeting Document : WG-EMM-04/67 : Auteur(s): S.L. Hill, E.J. Murphy, K. Reid, P.N. Trathan (United Kingdom), A. Constable (Australia)