Résultats de la recherche
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A new bathymetric compilation for the South Orkney Islands, Antarctic Peninsula (49°–39°W to 64°–59°S): insights into the glacial development of the continental shelf
visualise the morphology of the shelf in unrivalled detail. The compilation forms important baseline ... , biologists and geologists. In particular, due to our limited understanding of glacial history in this region ... grounded to the ~300-350 m contour in the south. Hypsometric analyses support this interpretation ... the new compilation of bathymetric datasets allows for the analysis of ecosystem properties in the ...
Meeting Document : WG-EMM-14/P01 : Auteur(s): W.A. Dickens, A.G.C. Graham, J.A. Smith, J.A. Dowdeswell, R.D. Larter, C.-D. Hillenbrand, P.N. Trathan, J.E. Arndt and G. Kuhn
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Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
Abstract: We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4 ... variation was significant (CV=73%) but no systematic change in krill biomass was evident during the period ... also suggest that exploitation rates are low and that there is no evidence of a systematic change in ... . It also suggests that the catch levels seen in the first decade of the 21st century are unlikely to ...
Meeting Document : WG-EMM-15/28 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)
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Developing conceptual models of elements of the Antarctic marine ecosystem: Adélie penguins
Abstract: In this paper we present a simple generalised conceptual life history model of Adélie ... history categories based on an individual penguins reproductive potential in any given year, their past ... Adélie populations and also other penguin species, details in relation to parameter estimation and ...
Meeting Document : WG-EMM-04/53 : Auteur(s): L.M. Emmerson, J. Clarke, M. Tierney and L. Irvine (Australia)
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Conserving seabirds competing with fisheries for food – observations from southern Africa and Marion Island
southern Africa’s seabirds in management of pelagic fish stocks. It also considers moves towards ... establishing target populations for seabirds in South Africa, especially those of conservation concern. It ... describes anomalous breeding by several species of seabird at Marion Island in 1997. These are assumed to ...
Meeting Document : WG-EMM-02/26 : Auteur(s): R.J.M. Crawford, C.M. Duncombe Rae and D.C. Nel (South Africa)
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Antarctic Climate Change and the Environment – 2011 update
was a first step in compiling a comprehensive assessment of scientific information on the climate ... system and ecosystem responses to change in the Antarctic and Southern Ocean region. The present paper ... , developed by the new SCAR ACCE Expert Group, highlights some recent advances in our knowledge of Antarctic ...
Meeting Document : CCAMLR-XXX/BG/14 : Auteur(s): Submitted by SCAR
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Data on juvenile fish surveys within South Georgia
Abstract: Data on 6 juvenile fish surveys within South Georgia Subarea have been analysed in the ... paper. There has been revealed that the most abundant species in the catches by juvenile fish trawl were ... -composition and distribution in relation to space and depth have been given. Author(s): Frolkina, Z.A. Title ...
Meeting Document : WG-FSA-96/58 : Auteur(s): Frolkina, Z.A.
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Beach debris survey - Main Bay, Bird Island South Georgia 1992/93
(14%) reduction in overall debris levels, comprising a 12% increase and 25% decrease in summer and ... those used in the local longline fishery as indicated by sections of longline washed ashore. Packaging ...
Meeting Document : CCAMLR-XIII/BG/03 : Auteur(s): Delegation of United Kingdom
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Manual for age determination of Antarctic toothfish, Dissostichus mawsoni V2
for CCAMLR in 2010. The manual has been updated to include the development and use of a reference set ... reader drift. In addition, standardized analysis and data reporting are recommended to allow the ... evaluation of D. mawsoni aging data for use in stock assessment. Author(s): C.P. Sutton, P.L. Horn and S.J ...
Meeting Document : WG-FSA-12/43 Rev. 1 : Auteur(s): C.P. Sutton, P.L. Horn and S.J. Parker (New Zealand) (The R Library file is available from the Secretariat on request)
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Estimation of total removals (green weight)
Abstract: Through an in-depth discussion at the WG-EMM regarding green-weight estimation in the ... issue in detail and identifies a process by which the required information and data could be acquired ...
Meeting Document : SC-CAMLR-XXXI/BG/15 : Auteur(s): Co-conveners of the Working Group on Ecosystem Monitoring and Management
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CEMP Indices: 2015 update on data submissions and analyses
Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) was established to detect changes in ... in accordance with the ‘ecosystem approach’. In 2015 data has been submitted by 9 Members for 15 ...
Meeting Document : WG-EMM-15/07 Rev. 1 : Auteur(s): CCAMLR Secretariat