Résultats de la recherche

1. Proposal for a revised summary table used for assessment of new and ongoing research plans

   Abstract:  At WG-SAM-2019, it was highlighted that some of the language in the table used to ... assess research plans in data-poor fisheries was ambiguous, in particular to delegates that do not have ... English as their first language. In this paper, we propose some revisions to the table to attempt to ...

   Meeting Document : WG-FSA-2019/55 : Auteur(s): C. Péron and D. Welsford

2. Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions

   Abstract:  Predator data and exploratory fishing in the Scotia Sea have revealed the presence of ... cephalopod stocks in the Antarctic Polar Frontal Zone (PFZ). This is a vast, remote region where large ... monitor foraging at sea in January-March 1994. A foraging area at the PFZ, north of South Georgia, was ... RMT25 sampled 200 m layers to 1000 m in daylight and darkness. Cephalopods were simultaneously recovered ...

   Meeting Document : WG-EMM-96/12 : Auteur(s): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.

3. Development of a five-year work plan for the CCAMLR Scientific Committee

   Committee should be developed for consideration by the Scientific Committee in 2017 (SC-CAMLR-XXXV ... the first stage in the development of the five-year work plan and draws on recommendations arising ... from SC-CAMLR-XXV and the 2016 Scientific Committee symposium (SC-CAMLR-XXXV/12). In particular, the ... are as follows: Target Stock- Assessments to estimate sustainable yield in established/assessed ...

   Meeting Document : WG-EMM-17/02 : Auteur(s): M. Belchier (Chair of SC-CAMLR)

4. Monitoring and managing the effects of environmental change on toothfish assessments

   CCAMLR’s fishery reports may be revised to include a new section on changes in model parameters and ... environmental variability and change. We note that causal relationships between observed changes in stock ... consideration of changes in biological parameters and work to understand the impact of these changes on yield ... assessment would reduce uncertainty in management advice. The parameters that could be evaluated to for the ...

   Meeting Document : WG-SAM-18/22 : Auteur(s): M. Pinkerton, A. Dunn, S. Mormede and S. Parker

5. A BALANCED MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA

   consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ... average, recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ... ) in trophic flows between groups. Parameters for biomass, production rate, growth efficiency, diet ... changes in biomass, production/biomass, and production/consumption parameters were needed to balance the ...

   Meeting Document : WG-EMM-09/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)

6. OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION

   calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... age classes were modelled using continuation ratios and predicted proportions in each AIE class ... to the AIE 0 class as readability improved while, in general, it increased as age increased. To model ...

   Meeting Document : WG-FSA-09/21 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

7. OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION

   calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... age classes were modelled using continuation ratios and predicted proportions in each AIE class ... to the AIE 0 class as readability improved while, in general, it increased as age increased. To model ...

   Meeting Document : WG-SAM-09/07 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

8. 2007 krill biomass update of the South Shetland and Elephant Island regions of Area 48

   Abstract:  Antarctic krill biomass trends in the South Shetland Island region of Area 48 are ... 2007), acoustic biomass estimates previously presented at the 2006 WG-EMM meeting in Namibia (WG-EMM-06 ... /32). In 2007, biomass in the South Shetland Islands region exceeded 19 million tons. This increase ...

   Meeting Document : WG-EMM-07/31 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)

9. Mackerel icefish ecological indices

   Abstract:  Mackerel icefish have been harvested in the CCAMLR Region for over thirty years. In the ... CEMP. With that in mind the following indices are outlined that might be incorporated in the programme ...

   Meeting Document : WG-EMM-03/42 : Auteur(s): I. Everson (United Kingdom), K.-H. Kock (Germany) and A.W. North (United Kingdom)

10. Note on demography of Antarctic seabirds

    Abstract:  At last year’s meetings WG-EMM and Scientific Committee expressed an interest in ... summarized information on seabird demography, particularly in relation to generation time and productivity ... , 1982). The most important subsequent demographic studies are referenced in the recent report of the ... proceed in respect of such data. Author(s):  J.P. Croxall (United Kingdom) Title:  Note on demography of ...

    Meeting Document : WG-EMM-01/55 : Auteur(s): J.P. Croxall (United Kingdom)

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