Résultats de la recherche

1. Krill population trends

   concentrated for the last 20 years. There have been suggestions of changes in the distribution and abundance of ... intense inter- and intra-annual variability of krill abundance within regions. These fluctuations in ...

   Meeting Document : CCAMLR-IWC-WS-08/11 : Auteur(s): Tarling, G., Watkins, J., Quetin, L., Reiss, C., Atkinson, A., Ross, R., Pakhomov, E., Kawaguchi, S., Nicol, S., Siegel, V.

2. CCAMLR ecosystem monitoring program standard methods: determination of sex of Adelie penguins

   laying. Peak presence of males occurred 15–21 days after the appearance of the first egg in the colony ... and peak presence of females after 33–36 days from this date. In all three seasons male birds could be ...

   Meeting Document : WG-CEMP-94/08 : Auteur(s): K.R. Kerry, J.R. Clarke and G.D. Else (Australia)

3. Study on reproductive biology of Champsocephalus gunnari, Chaenocephalus aceratus and Pseudochaenichthys georgianus from South Georgias and Shag Rocks, Dr Eduardo Holmberg survey – May 2013

     This not only confirms the spawning time of C.gunnari in South Georgias and Shag Rocks, but also ... and 7 oocytes/g for C.aceratus and P.georgianus. In the case of C.gunnari and P.georgianus, it was ...

   Meeting Document : WG-FSA-13/59 : Auteur(s): M.I. Militelli, G.J. Macchi and K.A. Rodrigues (Argentina)

4. Using preferred habitat models for chinstrap penguins (Pygoscelis antarctica) to help improve krill fisheries management during the penguin breeding season

   potential threats they may face. In the Southern Ocean the expanding krill fisheries have the potential to ... populations may become evident. With this in mind, we recommend the implementation of monitoring schemes to ...

   Meeting Document : WG-EMM-17/33 : Auteur(s): V. Warwick-Evans, N. Ratcliffe, H.L. Clewlow, L. Ireland, A. Lowther, F. Manco and P.N. Trathan

5. Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean

   , 2004 and 2008), 416 southern elephant seals Mirounga leonina were inspected for identification tags. In ... absences during the moult. Therefore, mark–recapture studies undertaken in archipelagos should ideally ...

   Meeting Document : WG-EMM-10/P16 : Auteur(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr

6. Marine classification: lessons from the New Zealand experience

   the marine environment, and applying them for management. We assert that recent innovations in ... of marine classifications in the management stage. Finally we highlight some practical steps to make ...

   Meeting Document : WS-BSO-07/6 : Auteur(s): B. Sharp, M. Pinkerton and J. Leathwick (New Zealand)

7. Age-structured production model for toothfish at South Georgia

   , by allowing all parameters to be estimated in this way the model is over-parameterised and regularly ... high weight in the fitting, then the model has sufficient flexibility to change the selectivity to fit ...

   Meeting Document : WG-FSA-SAM-05/18 : Auteur(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)

8. A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)

   the design is carried out in a simulation environment using the program Fish Heaven with data analysis ... the age of every fish caught in the surveys is known without error and assuming knife-edge fishing ...

   Meeting Document : WG-FSA-04/74 : Auteur(s): S.G. Candy, C.R. Davies and A.J. Constable (Australia)

9. Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)

   relative to all other species, there appears to be a decline in biomass. The overall abundance of finfish ... in the South Shetland Islands has yet to reach a level at which commercial exploitation would be ...

   Meeting Document : WG-FSA-03/38 : Auteur(s): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)

10. Aspects of the ecology of the bigeye grenadier at South Georgia

    in the Patagonian toothfish longline fishery conducted around South Georgia were investigated. Age ... over 30 years and attaining lengths in excess of 80cm (Lt). Von Bertalanffy growth parameters were ...

    Meeting Document : WG-FSA-03/16 : Auteur(s): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)

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