Résultats de la recherche
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Network characterisation of the food-web of the Ross Sea, Antarctica
Abstract: A balanced ecosystem model is used to explore the system-level characteristics of the ... food-web of the Ross Sea shelf and slope before the advent of commercial fishing for Antarctic ... toothfish (Dissostichus mawsoni) in the region. We evaluate: (1) biomass and flow of organic matter by ... trophic level; (2) mixed trophic impact; and (3) ecological importance. Note that the analysis considers ...
Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2014
Abstract: Germany intends to present the Scientific Committee the background document that ... provides the scientific basis for the evaluation of marine protected areas (MPAs) in the Weddell Sea ... . Please note, that the current state of the background document presents a comprehensive yet incomplete ... first version concerning chapters that have to be (further) developed or revised. The contents and ...
Meeting Document : SC-CAMLR-XXXIII/BG/02 : Auteur(s): Delegation of Germany
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part B: Description of available spatial data
Abstract: The authors present to the Working Group on Ecosystem Monitoring and Management (WG EMM ... ) the scientific background and justification for the development of a marine protected area (MPA) in ... the Weddell Sea planning area. In accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII ... , Annex 6), this was done in three separate documents (Part A-C). WG-EMM-16/01 (Part A) sets out the ...
Meeting Document : WG-EMM-16/02 : Auteur(s): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7–9 April 2014, Bremerhaven)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development
Abstract: The authors present to the Working Group on Ecosystem Monitoring and Management (WG EMM ... ) the scientific background and justification for the development of a marine protected area (MPA) in ... the Weddell Sea planning area. In accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII ... , Annex 6), this was done in three separate documents (Part A-C). WG-EMM-16/01 (Part A) sets out the ...
Meeting Document : WG-EMM-16/03 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger and T. Brey on behalf of the German Weddell Sea MPA project team
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Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report
Abstract: In 2000, the New Zealand delegation to CCAMLR proposed the designation of an Antarctic ... Specially Protected Area (ASPA) around the Balleny Islands. Since that time, research has continued to focus ... on the value of the area on and around the Balleny Islands, and the potential benefits of ... establishing a Balleny Islands Marine Protected Area (MPA). The ecological importance of the Balleny Islands ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Auteur(s): Delegation of New Zealand
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A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA
Abstract: We present a quantitative food web of the Ross Sea as a step towards investigating ... ecosystem effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates ... quantitative information on trophic links across all the major biota of the Ross Sea and tests for data ... consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ...
Meeting Document : WG-EMM-09/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Informing and seeking advice from WS-SM 2018 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... and will submit a revised CM proposal to CCAMLR 2018. This document informs The Workshop on Spatial ... Management (WS-SM-2018) about the following revisions carried out to the WSMPA proposal which would fall ...
Meeting Document : WS-SM-18/08 : Auteur(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... ), by including tag-recapture data for 2005–06 from New Zealand vessels. The updated assessment resulted ... in a similar, though slightly higher, estimate of initial and current biomass as the 2005 base case ...
Meeting Document : WG-FSA-SAM-06/11 : Auteur(s): Dunn, A. & Hanchet, S.M.
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Oceanological factors affecting formation of mackerel icefish aggregations in the South Georgia area during different seasons of the year
disperse at the depths more than 250 m within rather narrow temperature range (1.6-1,7ºC). In this period ... the water temperature is a limiting factor restricting fish distribution. In spring-summer icefish are ... feeding at the water temperature from 0.0ºC to 1.9ºC in the South Georgia area and to 2.0ºC near Shag ... Rocks. High level of energy exchange, intensive supply of food allow fish to distribute in the wider ...
Meeting Document : WG-FSA-05/76 : Auteur(s): Zh.A. Frolkina (Russia)
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
Abstract: Preliminary studies on the age, growth and size at sexual maturity of Dissostichus ... eleginoides sampled in the 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish ... sampled by Observers were estimated last year. Then, we took several advice and comments about the methods ... of otolith readings by experienced readers of AAD. One of these is that the first ring was generally ...
Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)