Résultats de la recherche

1. Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H

   liberty for less than 2 years, and that data from the Amundsen Sea slope SSRUs (88.2C–G) are included in ... the stock assessment along with 88.2H. Fishing has occurred on almost every seamount in every year ... recapture probability among seamounts was found. Single-season tag recapture rates exceeding 20% on some ... seamounts suggest relatively high local exploitation rates and the potential for localized depletion on some ...

   Meeting Document : WG-SAM-14/27 : Auteur(s): S.J. Parker (New Zealand)

2. Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015

   has varied between years in particular due to ice. In order to allow for comparison of distribution ... series of krill density estimates from the 5 years of surveys. We follow the CCAMLR protocol for biomass ... coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... Abstract:  Annual acoustic trawl surveys for krill monitoring have been carried out by the ...

   Meeting Document : WG-EMM-15/54 : Auteur(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)

3. Diet composition of Dissostichus eleginoides in Subarea 48.3, Dr Eduardo Holmberg survey March/April 1996

   ; (%) methods. The samples consisted chiefly of immature specimens, with predominant length ranges of 30-70 cm ... depended on their local abundance. The large proportion of fish exhibiting stomachs full or close to ... fullness (together 62 %), suggests that feeding intensity of the species was high. Author(s):  Barrera-Oro ...

   Meeting Document : WG-FSA-96/29 : Auteur(s): Barrera-Oro, E., Marschoff, E., Casaux, R.

4. A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES

   describes the current Method 2 systems in use for two New Zealand vessels. A brief analysis based on data ... seasons in preparation for the ‘Year of the Skate’ prior to a final decision on skate release protocols. A ... proposal is made for a comparative experiment using two tag types to inform a final decision on a ... Abstract:  An ongoing mark and recapture experiment for skates was commenced by New Zealand ...

   Meeting Document : WG-FSA-08/30 : Auteur(s): J.M. Fenaughty (New Zealand)

5. Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability

   newly-planned five-year series of observations designed to complement and extend an existing time series ... maintained by the British Antarctic Survey regularly since 1996 (and on a more ad hoc basis since the ... early1980s). We hoped that conducting several surveys in one season would provide information on short-term ... , north-east and south-west of the island. Together these surveys provided temporally and spatially ...

   Meeting Document : WG-EMM-01/15 : Auteur(s): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)

6. 2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   become available for the years 2005 and 2006. The assessment allows for a second fleet to accommodate ... data from a pot fishery that operated in 2004 and 2005. Updated biological parameter values for Subarea ... raised at WG-FSA-SAM 2006 about this assessment are addressed. Author(s):  A. Brandão and D.S ...

   Meeting Document : WG-FSA-06/58 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

7. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11

   location of fishing together with the catch of Dissostichus spp. and bycatch species by year for the period ... Abstract:  The exploratory fishery for Dissostichus spp. has now been operating for fifteen years ... in Subarea 88.1 and for ten years in Subarea 88.2. This report summarises the timing, depth, and ... 1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ...

   Meeting Document : WG-FSA-11/45 : Auteur(s): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

8. Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia

   ) if it had been an average year. The annual increase from 1976/17 to 1990/91 was 9.8% which shows that ... at the breeding grounds during the pupping period, together with corrections for the likelihood of a ... female being ashore at a census and for pregnancy rate (71 % in 1990/91), pup production was estimated as ... sites were used to estimate the pup production of the population had 1990/91 been a typical year. Based ...

   Meeting Document : WG-CEMP-92/39 : Auteur(s): I.L. Boyd (United Kingdom)

9. How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery?

   the Ross Sea regional ecosystem. It argues that the current tagging program is unlikely to provide an ... biomass and the ratio of current to pre-exploitation biomass are unreliable. Many parameters necessary for ... Abstract:  This article reviews the adequacy of data and models currently being used to estimate ... taking place. The need to guess values of important parameters makes it impossible to set bounds on the ...

   Meeting Document : WG-FSA-13/P02 : Auteur(s): P.A. Abrams

10. Detection of anti-brucella antibodies in pinnipeds from the Antarctic Territory

    in six of the seventeen samples involving the two animal species. It is concluded that a Brucella sp ...

    Meeting Document : WG-EMM-01/46 : Auteur(s): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile)

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