Résultats de la recherche

1. Detection of systematic change in Adélie penguin foraging trip duration: consequences of high inter-annual variability and usefulness of ice cover as a covariate

   Abstract:  Power analyses were carried out using a 12 year data set from the Béchervaise Island ... change were investigated: 1) change occurring at a constant rate after a certain point in time and 2) a ... the latter form could be more quickly and powerfully detected at a range of effect sizes than could ... three foraging trips each were required to detect a 35% step increase in foraging trip duration after ...

   Meeting Document : WG-EMM-05/22 : Auteur(s): J. Clarke, C. Southwell and L.M. Emmerson (Australia)

2. A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures

   Abstract:  CCAMLR requires an assessment method for recommending a subdivision of the krill catch ... agreed workplan for developing a management procedure includes the evaluation of candidate management ... procedures in a simulation framework, using plausible models of the Antarctic marine ecosystem. This paper ... develops a framework for erecting such models. It is divided into three main parts, addressing different ...

   Meeting Document : WG-EMM-04/24 : Auteur(s): A. Constable (Australia)

3. Research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 in Division 58.4.3a (this is a revision of WG-SAM-12/14)

   Abstract:  In 2011/2012, a French vessel conducted its first exploratory fishing campaign in ... division 58.4.3a. In order to achieve a robust stock assessment that would provide advice on catch limits ... years. This paper is a revised proposal of WG-SAM-12/14 encouraged by 2012 SAM working group for a ... detailed catch, effort and biological data with a nearly same survey design as in the 2012. It will include ...

   Meeting Document : WG-FSA-12/29 : Auteur(s): A. Rélot-Stirnemann (France)

4. Elaborating a representative system of marine protected areas in eastern Antarctica, south of 60°S

   conservation of marine biodiversity by 2012. A representative system of marine protected areas (RSMPA) will be ... one that (i) provides a spatial estate of the smallest area sufficient to satisfy the principles of ... will be increased if it (iv) can act as a source for maintaining biodiversity in areas outside of the ... system, (v) can act as a reference for natural variability and change, and (vi) provides for ecosystem ...

   Meeting Document : WG-EMM-10/26 : Auteur(s): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)

5. Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012

   Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... recruitments from a well-designed survey could be a useful input into the Ross Sea stock assessment model and ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ...

   Meeting Document : WG-SAM-12/29 : Auteur(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)

6. Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19

   Abstract:  The primary objective for this krill research activity was twofold 1) to conduct a ... essential for the implementation of a Feed-Back Management (FBM) system. The survey follows a similar design ... as a survey initiated by CCAMLR in year 2000 for comparative purposes, but in addition focuses on ... , availability and predator needs as opposed to purely conservation-based measures. A future developed FBM system ...

   Meeting Document : WG-EMM-2019/07 : Auteur(s): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn

7. A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY

   Pessimistic” and a “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region ... . These models are used for trials of a candidate Management Procedure (MP) which could provide future TAC ... length of the catches made. A specific MP, with its associated control parameter values, is proposed for ... economic viability of the fishery, the choice of control parameter values focused primarily on a reasonable ...

   Meeting Document : WG-SAM-08/11 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

8. Proposal for a research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.4

   , Shinsei maru No. 3, has conducted research fishing in accordance with a research plan submitted under CM ... order to participate in the tagging program and achieve a robust stock assessment. The aim is to provide ... advice on a catch limit according to CCAMLR decision rules and allow an earlier decision to reopen this ... area. This paper presents a proposal for a research plan for 2014/2015. For SSRU C, further ...

   Meeting Document : WG-SAM-14/18 : Auteur(s): Delegation of France

9. Regionalisation of the Southern Ocean: a statistical framework

   . Regionalisation algorithms attempt to partition a broad spatial area into discrete spatial regions, each with ... . In this paper, we demonstrate a method developed for a regionalisation of the southern Indian Ocean ... develop a bioregionalisation of its Convention Area. This paper describes the steps and issues in ... undertaking a regionalisation and presents a statistical method for achieving a regionalisation of the ...

   Meeting Document : WG-EMM-06/37 : Auteur(s): B. Raymond and A. Constable (Australia)

10. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13

    with no trend. A standardised CPUE analysis in the Ross Sea fishery showed an increase to 2008 followed ... by a slight decline to 2013. Standardised CPUE indices in Subarea 88.2 showed a general decline from ... 2003 to 2013 in SSRU 882H, but a general increase from 2006 to 2013 in SSRUs 88.2C–G. However, these ... indices were very uncertain due primarily to the lack of a consistent set of vessels over time and may not ...

    Meeting Document : WG-FSA-13/48 : Auteur(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)

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