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  1. A preliminary population status model for the Patagonian toothfish, Dissostichus eleginoides, on the Kerguelen Plateau (Divisions 58.5.1 and 58.5.2) using CASAL

    . Analysis of genetic, demographic and tagging data indicates that toothfish form a metapopulation in this ... region. This paper describes the development of a CASAL model incorporating data from research ... , commercial and illegal fishing activities in the French and Australian EEZs. This represents a substantial ... . Preliminary results indicate that illegal fishing in the late 1990s and early 2000s lead to a rapid decline in ...

    Meeting Document : WG-SAM-11/20 : Author(s): S.G. Candy (Australia), A. Relot, G. Duhamel (France), D.C. Welsford, A.J. Constable, T.D. Lamb (Australia), P. Pruvost and N. Gasco (France)

  2. A methodology for estimating total finfish by-catch of the Area 48 krill fishery

    Abstract:  The report presents a methodology that can be used to estimate the total finfish ... . Estimates of bycatch rates per tonne of catch were made at a family level for Channichthyidae, Nototheniidae ... removed from stocks due to finfish bycatch at a family level, for Channichthyidae and Nototheniidae ... available abundance estimates of Channichthyidae and Nototheniidae species at a family level, and at a ...

    Meeting Document : WG-EMM-12/29 : Author(s): T. Peatman, S.M. Martin (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)

  3. A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL

    Abstract:  A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... -length data... CASAL is a simple, single-sex, single-area population model. The spatial complexity in the ... . Commercial catch are integrated in the model by CCAMLR season. A weighted combination of datasets was ... . The biomass long-term projection, done for the Patagonian toothfish with a simulated 5,100 tons catch ...

    Meeting Document : WG-FSA-12/09 : Author(s): A. Rélot-Stirnemann (France)

  4. Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006

    incidental mortality of seabirds was reduced by approximately half each year. A multivariate analysis has ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... variables relating to the environment and fishing techniques. Results suggest that a significant proportion ... west) than at Crozet. Analyses show that a proportion of the incidental mortality can be explained by ...

    Meeting Document : SC-CAMLR-XXVI/BG/21 : Author(s): Délégation française

  5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06

    nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... fished. The 2006 D. mawsoni catch was the second highest on record with a total of 3388 t against a ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ...

    Meeting Document : WG-FSA-06/29 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

  6. Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress

    Abstract:  We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ... explicit assumptions. The model is not complete, and should be considered a work in progress. A trial ... budget was created to quantify carbon flow through our conceptual model of the Ross Sea ecosystem. A ...

    Meeting Document : WG-EMM-05/18 : Author(s): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

  7. Proposal for a new Antarctic Specially Protected Area, Terra Nova Bay, Ross Sea

    Abstract:  The Area proposed for special protection is a small and narrow strip of waters ... extending approximately 9.5 km in length immediately to the south of Terra Nova Bay Station and up to a ... proposed have been selected on the basis of the following criteria: a) the proposed area encompasses the ... ) lines of latitude and longitude in the north, east and south offer a clear and practical definition of ...

    Meeting Document : WG-EMM-02/56 : Author(s): Proposed by Italy

  8. MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009

    , Euphausia superba, which is a major prey species for many vertebrate populations at South Georgia. The ... marine ecosystem at South Georgia is the focus of a major research effort and consequently there are many ... revealed a strong anomaly in early 2009. Above average sea temperatures, without any evidence of increased ... warm water inflow were followed by reduced icefish catches, a paucity of krill in icefish and penguin ...

    Meeting Document : WG-EMM-09/23 : Author(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

  9. Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey

    success of a predator. In pelagic marine ecosystems, where prey is often patchily distributed, predators ... the surface, the time taken for a fur seal to locate a new patch after leaving an old one is an ... showed that fur seals foraged at two spatial distributions: (1) a fine-scale (median distance 0.18- 0.27 ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ...

    Meeting Document : WG-EMM-95/23 : Author(s): Boyd, I.L.

  10. A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

    habitats.  Noting the paucity of data on the ecology of these habitats, this paper provides a practical ... requirement can be translated into a simple operational objective:  Maintain the quality of habitats above the ... ”, a categorisation fraught with difficulty.  Instead, it means that habitats for which this would not ... paper develops a simulation model for this task, representing key properties of the benthic system such ...

    Meeting Document : WG-SAM-09/21 : Author(s): A.J. Constable (Australia)

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