Résultats de la recherche

1. Preliminary study on reproduction in Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994

   Abstract:  A preliminary histological analysis on the ovarian development in Champsocephalus ... described for other species. A gonad maturation scale was elaborated and adapted to the macroscopic scale ... ovaries presented few atretic oocytes; in others a generalized regression was found. In the southwest ... portion of the South Georgia shelf, 50 % of the ovaries exhibited a pre-reproductive regression stage ...

   Meeting Document : WG-FSA-94/28 : Auteur(s): G.J. Macchi and E.R. Barrera-Oro (Argentina)

2. Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002

   have highlighted a need to develop an integrated work plan to develop and validate assessment methods ... assessments undertaken during the time of a single meeting of WG-FSA. Issues related to the current procedures ... incorporating into assessments 2. a draft plan for assessments at WG-FSA this year, including reporting and ... archiving. 3. a proposed workplan for the future, including a timetable for work in the 2003 intersessional ...

   Meeting Document : WG-FSA-02/80 : Auteur(s): A.J. Constable (Subgroup Coordinator)

3. Herpes virus antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   Abstract:  This paper describes evidence of antibodies against a virus related with ... Alphaherpesvirinae sub-family, potentially a phocine herpesvirus (PhHV-1) that affect Antarctic Fur Seals ... (Arctocephalus gazella) from Cape Shirreff, Livingston Island, Antarctica. Body fluid samples of 54 A. gazella ... with the knowledge confirming the extended distribution range of herpesvirus, affecting a large number ...

   Meeting Document : WG-EMM-01/59 : Auteur(s): O. Blank, J.M. Montt, M. Celedón and D. Torres (Chile)

4. Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation

   orientation on echo spectral structure. A novel video analysis technique, applied to extract krill angle of ... echo spectra had a more erratic structure, with several closely spaced nulls of variable depth. The ... very similar to theoretically predicted patterns based on a distorted wave Born approximation (DWBA ... acoustic returns for angle of orientation by applying a newly developed Co variance Mean Variance ...

   Meeting Document : WG-EMM-99/41 : Auteur(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)

5. An exploratory fishing expedition for Dissostichus eleginoides around the South Sandwich Islands, Antarctica

   with a view to opening a new fishery under the auspices of the Commission for the Conservation of ... V, owned by the company Frioaysen S. A.. Fishing was by bottom longline, and data were collected ... following guidelines set out in the CCAMLR Scientific Observers Manual and in a memorandum of understanding ... between the Governments of Chile and the UK. A new fishery in Subarea 48.4 was found not be commercially ...

   Meeting Document : SC-CAMLR-XII/BG/04 : Auteur(s): Delegations of Chile and United Kingdom

6. BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007

   Island, South Georgia (covering the period 1 October 2006 to 30 September 2007) a total of 365 items were ... collected. This represents a reduction by 33% on the 544 items recorded in 2005/06 and a decrease in mass of ... clearly identified as being the end of a multifilament line where a hook would have been attached. Five ...

   Meeting Document : WG-FSA-08/24 : Auteur(s): F. Le Bouard (UK)

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

   the coefficient Q (%) showed a greater importance of T. gaudichaudii with respect to krill. It is ... possible that the inconsistencies found between the results obtained by both methods are due to a ... summer season; a fact that might be related with a significant change in surface temperature observed ... during the cruise. Author(s):  E. Barrera-Oro, R. Casaux and A. Roux (Argentina) Title:  Diet composition ...

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

8. Update on the external review of the Generalised Yield Model (GYM) software and manual

   WG-FSA-SAM at its meeting in July 2004; • WG-FSA-SAM to consider the review and advise WG-FSA. A call ... of opportunity for conducting a review before the 2004 meeting of WGFSA-SAM passed. As a way forward ... external review of GYM. The Secretariat could then send a new call for tenders in August 2004. Members ... the outcome of this process and secure appropriate funding for a review in 2005. Author(s):  CCAMLR ...

   Meeting Document : WG-FSA-SAM-04/05 : Auteur(s): CCAMLR Secretariat

9. Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish

   Abstract:  Patagonian toothfish (Dissostichus eleginoides) is the target species of a bottom ... accidental bird mortality. In order to find a solution to these issues a 25-day pot trial cruise was ... conducted on board vessel Austral Leader II from January 22nd to February 17th 2010 with a period of ... in fishing efficiency and in their by catch. Crab by-catch was identified as a major issue which ...

   Meeting Document : WG-FSA-10/10 : Auteur(s): N. Gasco, P. Tixier and C. Guinet (France)

10. Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula

    simulations using a circulation model. Differences in length distributions and maturity suggested two discrete ... Marguerite Bay, with no mixing between. The presence of a single length mode at Charcot Island and Marguerite ... Bay corresponding to the year class found during GLOBEC 2001 suggested a dominant cohort and no local ... , without similar collapses to the north and south, suggest a third population in the central WAP. Analyses ...

    Meeting Document : WG-FSA-10/16 : Auteur(s): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser

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