Résultats de la recherche

1. Proposal for a longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4

   Abstract:  This paper presents a proposal for a longline survey connecting the currently ... distributions of benthic bycatch species. This proposal includes a three-year data collection and two-year data ... analysis plan towards the development of a stock hypothesis for the eastern regions of 48.2 and southern ... regions of 48.4. Author(s):  Delegation of the United Kingdom Title:  Proposal for a longline survey to ...

   Meeting Document : WG-FSA-16/40 Rev. 1 : Auteur(s): Delegation of the United Kingdom

2. 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 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

3. 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 : Auteur(s): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

4. Assessing the feasibility of regional surveys of land-based predator abundance in the Southern Ocean: a framework for decision making and planning

   abundance of land-based predators. At the 2001 meeting of WG-EMM it was proposed that a workshop be held in ... 2002 to assess the feasibility of such broad-scale surveys, and a small intersessional correspondence ... intersessional group developed a draft decision-making framework for planning regional scale surveys and agreed ... that it be applied at the workshop to a selected region as a means of both assessing and/or developing ...

   Meeting Document : WG-EMM-02/45 : Auteur(s): C. Southwell (Australia)

5. 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 : Auteur(s): Proposed by Italy

6. A revision of yield and catch controls for managing the mackerel icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands

   Abstract:  A recent 2000 survey of mackerel icefish in the vicinity of Heard Island enabled a ... previous years, it is dominated by a strong age 2 year class. Estimates of yield for the Heard Island ... fishing seasons. The results of the 2000 survey confirm the need to retain a closure to fishing on Shell ... to enter the fishery prior to assessments occurring. Author(s):  A. Constable, R. Williams, T. Lamb ...

   Meeting Document : WG-FSA-00/41 : Auteur(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)

7. CCAMLR spatial management GIS: potential applications for informing the development of a representative system of MPAs

   Abstract:  We have developed a Geographic Information System (GIS) and accompanying metadata to ... protected areas as part of the development of a representative system of Antarctic marine protected areas ... proportion of bioregion areas protected by MPAs. The database also provides a central repository for ... information on the location and status of designated MPAs, which will be a key requirement for the effective ...

   Meeting Document : WS-MPA-11/20 : Auteur(s): S.M. Grant, S.L. Hill and P.T. Fretwell (UK)

8. Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations

   -lived species. Over an extended period (e.g. a decade or more), the catch is divided into a sustainable ... yield component and an unsustainable “windfall” component associated with a one-time reduction in stock ... biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided by the ...

   Meeting Document : WG-SAM-11/P3 : Auteur(s): A.D. McCall

9. 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 : Auteur(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

10. A PRELIMINARY BALANCED TROPHIC MODEL OF THE ECOSYSTEM OF THE ROSS SEA, ANTARCTICA, WITH EMPHASIS ON APEX PREDATORS

    Abstract:  We report on the development of a mass balanced carbon-budget trophic model of the Ross ... Sea as a step towards investigating ecosystem effects of the fishery for Antarctic toothfish ... toothfish. A survey of the available literature and both published and unpublished data provided an initial ... the method we used to adjust the parameters to give a balanced model taking into account estimates of ...

    Meeting Document : WG-EMM-08/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)

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