Résultats de la recherche

1. Developing priority variables (“ecosystem Essential Ocean Variables” – eEOVs) for observing dynamics and change in Southern Ocean ecosystems

   , attribution of trends to causes, and predicting future trajectories. eEOVs should be feasible to collect at ... from field observations, and which contributes significantly to assessments of Southern Ocean ... of trends and/or attribution, and/or development of ecological (statistical or simulation) models to ... support assessments. In this paper we outline the rationale, including establishing a set of criteria, for ...

   Meeting Document : WG-EMM-16/P11 : Auteur(s): A.J. Constable, D.P. Costa, O. Schofield, L. Newman, E.R. Urban Jr., E.A. Fulton, J. Melbourne-Thomas, T. Ballerini, P.W. Boyd, A. Brandt, W. de la Mare, M. Edwards, M. Eléaume, L. Emmerson, K. Fennel, S. Fielding, H. Griffiths, J. Gutt, M.A. Hindell, E.E. Hofmann, S. Jennings, H.S. La, A. McCurdy, B.G. Mitchell, T. Moltmann, M. Muelbert, E. Murphy, T. Press, B. Raymond, K. Reid, C. Reiss, J. Rice, I. Salter, D.C. Smith, S. Song, C. Southwell, K.M. Swadling, A. Van de Putte and Z. Willis

2. Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates

   /calyptopis I at the beginning of January and calyptopis III/furcilia I during February. The year-l cohort was ... Abstract:  Dynamics of distribution, growth, life span and feeding were studied in the endemic ... Antarctic euphausiid Euphausia crystallorophias in the central part of the Indian sector of the Southern ... . Both larvae and adult E.crystallorophias were found in abundance in shelf waters of 100-500 m depth ...

   Meeting Document : WG-Joint-94/10 : Auteur(s): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)

3. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... 88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2012–2013 seasons.  Several ... models were examined including an update of the 2011 base case (R1), a model using the revised data ... also consistently shown higher rates of movement between SSRUs and lower rates of recapture in the ...

   Meeting Document : WG-FSA-13/51 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

4. Bioregionalisation and spatial ecosystem processes in the Ross Sea region

   Abstract:  Since 2005, the Commission for the Conservation of Antarctic Marine Living Resources ... (CCAMLR) has progressed plans to implement spatial management for purposes of marine conservation (i.e ... . networks of Marine Protected Areas, or MPAs). In 2008 CCAMLR utilized a circumpolar-scale ... ‘bioregionalisation’ to identify areas within which MPA designation should be considered as a matter of high priority ...

   Meeting Document : WG-EMM-10/30 : Auteur(s): B.R. Sharp, S.J. Parker, M.H. Pinkerton (New Zealand) (lead authors) also B.B. Breen, V. Cummings, A. Dunn (New Zealand), S.M. Grant (United Kingdom), S.M. Hanchet, H.J.R. Keys (New Zealand), S.J. Lockhart (USA), P. O’B. Lyver, R.L. O’Driscoll, M.J.M. Williams, P.R. Wilson (New Zealand)

5. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19

   % B 0 (63–69% B 0). Model estimates of the pre-exploitation mature (spawning) stock biomass and ... in the number of tags recaptures in 2018 and 2019; (ii) two years of additional fishing as the ... population approaches the target of 50% B 0; and (iii) revised length-weight and growth parameters ... . Sensitivity runs showed that the results were robust to assumptions of fleets-as-areas structure, older fish ...

   Meeting Document : WG-FSA-2019/08 : Auteur(s): A. Dunn

6. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   Abstract:  The Spanish system is used in a range of demersal and semi-pelagic longline fisheries ... throughout the southern hemisphere and has been the source of a large number of seabird fatalities. An ... experiment was conducted on a chartered Spanish-rig vessel to improve the sink rate of longlines to reduce ... interactions with seabirds. The benchmark sink rate was that of integrated weight (IW) longlines, as used by ...

   Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

7. SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)

   Abstract:  ATCM 39/XP019 discusses the work of SC-CAMLR on climate change.  It notes that the ... effects of climate change also includes the effects of ocean acidification.  Articles II and IX provide ... the impetus for work in the Scientific Committee on the effects of climate change, in order to provide ... , in a timely manner, the ‘best scientific evidence available’ on three issues Risks of climate change ...

   Meeting Document : WG-EMM-16/71 : Auteur(s): A. Constable

8. Species profile: mackerel icefish

   Abstract:  Information on mackerel icefish that has been presented at WG-FSA is summarised and the ...

   Meeting Document : WG-FSA-03/4 : Auteur(s): I. Everson (United Kingdom)

9. Representative length and age distributions from random stratified demersal fish surveys

   data are discussed. The Mackerel Icefish, Champsocephalus gunnari at South Georgia is used as an ...

   Meeting Document : WG-FSA-91/19 : Auteur(s): G. Parkes (United Kingdom)

10. New C2 form project

    Abstract:  Data collection at sea is based on forms provided by CCAMLR. This paper provides ...

    Meeting Document : WG-FSA-18/29 : Auteur(s): N. Gasco, C. Chazeau, A. Martin, P. Pruvost, C. Péron and G. Duhamel

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