Résultats de la recherche

1. Toothfish, skate and longline by-catch survey in Subarea 48.3

   Abstract:  This was the first deep-water trawl survey of the South Georgia Maritime Zone funded by ... the Government of South Georgia and the South Sandwich Islands (GSGSSI) as part of the South Georgia ... Project. The survey was focused primarily at providing new information on the distribution, biology and ... information on bycatch species of the longline fishery, particularly grenadiers (Macrourids) and Skates ...

   Meeting Document : WG-FSA-03/15 : Auteur(s): M. Belchier, M. Collins, M. Endicott, I. Everson, S. Hawkins, T. Marlow, T. Mulvey and R. Paterson (United Kingdom)

2. Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994

   Abstract:  The diet composition of the icefish Champsocephalus gunnari caught in the Subarea 48.3 ... in February/March 1994 was analyzed using the frequency of occurrence (%) method. Krill (Euphausia ... superba) followed by the amphipod hyperiid Themisto gaudichaudii were the main prey items at South Georgia ... and Shag Rocks; fish were found in the stomachs more frequently than in past seasons around South ...

   Meeting Document : WG-FSA-94/27 : Auteur(s): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)

3. Alternative assessment methods for toothfish at South Georgia

   Abstract:  We examine two alternatives to the survey recruitment/GY method for estimating ... toothfish abundance. An age structured production model (ASPM) is constructed and tuned to the CPUE series ... . The fit of the model to the CPUE series is not good, and there are several unexplained problems. The ... first is that the CPUE in the early 1990s did not decline as would be expected as the resource was ...

   Meeting Document : WG-FSA-SAM-04/17 : Auteur(s): Kirkwood, G., Payne, A., Agnew, D.

4. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11

   Abstract:  In order to clarify the stock status and biological characteristics of Dissostichus spp ... . In Division 58.4.4 a & b, we submit this research plan for toothfish in the Division by Shinsei ... Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... consecutive research focusing on tagging program, recommended by WG-SAM-09 in this Division, following the ...

   Meeting Document : WG-SAM-10/15 : Auteur(s): Delegation of Japan

5. LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3

   Abstract:  The current CCAMLR assessment method for the mackerel icefish (Champsocephalus gunnari ... ) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and ... projects these numbers forward under the given harvest control rule to set a two‐year TAC. One issue is the ... accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ...

   Meeting Document : WG-FSA-09/27 : Auteur(s): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)

6. Population assessment of Patagonian toothfish in Subarea 48.4

   Abstract:  This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ... Subarea 48.4. The Subarea is divided into two management regions and assessed using a CASAL assessment of ... D. eleginoides in the northern region and a simple Petersen biomass estimate derived for D ... . eleginoides and D. mawsoni in the southern region. The CASAL model structure used to assess the stock in 2011 ...

   Meeting Document : WG-FSA-12/36 : Auteur(s): R. Scott (United Kingdom)

7. Domain 1 Marine Protected Area Preliminary Proposal – PART A: MPA Model

   Abstract:  This draft is aimed to describe the process for the designation of an MPA in Domain 1 ... led by Argentina and Chile. The process has resulted in the compilation, analysis, integration and ... display of a large amount of information, not only contributing to the best science available but also ... providing a platform for the sharing and visualization of information. We highlight the multinational ...

   Meeting Document : WG-EMM-17/23 : Auteur(s): Delegations of Argentina and Chile

8. Proposition d'aire marine protégée de la région de la mer de Ross

   Abstract:  The delegation of the United States proposes the establishment by the Commission for ... the Conservation of Antarctic Living Marine Resources (Commission or CCAMLR) of a marine protected ... area (MPA) in the Ross Sea Region (“Ross Sea Region Marine Protected Area”).  In 2010, the Commission ... endorsed the Scientific Committee’s work program to develop a representative system of Antarctic MPAs with ...

   Meeting Document : CCAMLR-XXXI/40 : Auteur(s): Delegation of the USA

9. A review of conversion factors used in CCAMLR toothfish fisheries

   Abstract:  The product to green-weight conversion factors used in the toothfish fishery are ... integral to the reporting of catches and reconciling those catches with data reported via the CDS. This ... paper reviews the data available on conversion factor in the C2 and Observer data as well as the factors ... as an apparent long-term trend in the most commonly reported conversion factors. This variability ...

   Meeting Document : WG-FSA-15/02 : Auteur(s): CCAMLR Secretariat

10. Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12

    Abstract:  A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... 2010/11 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centered area of Division 58.4.4 a & b ... . In the 2010/11 a total of 189 D. eleginoides were tagged and released in SSRUs B and C. Four tagged D ...

    Meeting Document : WG-SAM-11/07 : Auteur(s): Delegation of Japan

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