Résultats de la recherche

1. Stock status and population assessment of the Antarctic starry skate (Amblyraja georgiana) in Subarea 48.3

   Deficient” by IUCN (Endicott & Kyne 2009) and is one of the main by-catch species in the longline ... . Using ten years of tag-recapture data collected around South Georgia, a comprehensive analysis of data ... . Author(s):  M. Söffker, N.D. Walker, M. Belchier and J. Ellis Title:  Stock status and population ...

   Meeting Document : WG-FSA-18/27 : Auteur(s): M. Söffker, N.D. Walker, M. Belchier and J. Ellis

2. Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)

   the Ukrainian flagged FV SIMEIZ. The data collected in first year of the research showed the ... possibility of demarcation of investigated area on two blocks- Northern and Southern by the Dissostichus spp ... . habitat. Proposed to change the design of the research survey to reach the purpose of 3-years ... investigation. Author(s):  Delegation of Ukraine Title:  Plan of research program of the Ukraine in Subarea 48.2 ...

   Meeting Document : WG-SAM-15/40 : Auteur(s): Delegation of Ukraine

3. Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4

   Abstract:  A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... 20% of sets were undertaken during daylight hours and no bird entanglements or mortalities were ... mark‐recapture experiment in the South of Subarea 48.4 in 2010/11 with a reduced TAC of 30 tonnes ... . Author(s):  J. Roberts and D. Agnew (UK) Title:  Proposal for an extension to the mark-recapture ...

   Meeting Document : WG-FSA-10/40 : Auteur(s): J. Roberts and D. Agnew (UK)

4. Krill population trends

   concentrated for the last 20 years. There have been suggestions of changes in the distribution and abundance of ... , abundance and trends. Author(s):  Tarling, G., Watkins, J., Quetin, L., Reiss, C., Atkinson, A., Ross, R ... ., Pakhomov, E., Kawaguchi, S., Nicol, S., Siegel, V. Title:  Krill population trends Approval:  Approved ...

   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.

5. Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models

   , where the limit of navigability for fishing vessels is set at 20 % SIC, was calculated. It should become ... , the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ... . Author(s):  T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S ...

   Meeting Document : WG-SAM-2019/15 : Auteur(s): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert

6. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ... conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... the use of fishing vessels to collect data. Author(s):  S. Hill, A. Atkinson, C. Darby, S. Fielding, B ...

   Meeting Document : WG-EMM-16/21 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins

7. Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12

   medial estimates using simple Petersen (1583 and 2751 ton) were similar to those under the two scenarios ... small numbers of recapture. The estimations using other two methods were a half to a quarter smaller ... than those using simple Petersen. The medial stock biomass estimated under the two scenarios at WG-FSA ... locations on 7.5-minute latitude x 15-minute longitude grid points except one haul which are newly allocated ...

   Meeting Document : WG-FSA-11/15 Rev. 1 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)

8. Interactions between cetaceans and fisheries in Southern Ocean

   only occasionally and one whale (presumably a minke whale) died. Author(s):  K.-H. Kock (Germany), M ... apparent. The two species primarily involved were orcas (killer whales) (Orcinus orca) and male sperm ... Southern Ocean in the second half of the 1980’s, interactions of cetaceans with these fisheries became ...

   Meeting Document : WG-FSA-05/11 : Auteur(s): K.-H. Kock (Germany), M. Purves (South Africa) and G. Duhamel (France)

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

   . eleginoides, of which two fish were tagged and released in SSRU C during the 2007/08 and 2009/10 preliminary ... survey, respectively, were recaptured in the same SSRU. One allocated point in the northwest of SSRU C ... 7.5-minute latitude x 15-minute longitude grid points except one haul which are newly allocated in the ... , which would provide a time series of catch rate data using identical methods. Author(s):  Delegation of ...

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

10. The Ross Sea cephalopod community: insights from stable isotope analysis

    identifications. Generally, squid clustered into two distinct isotopic groups, one with depleted isotope ... isotope signatures in only one species – the colossal squid Mesonychoteuthis hamiltoni: both isotope ... . Size (and hence age) was an important factor in explaining variation in both beak and muscle tissue ... stable isotope analyses to cephalopod taxa from the Ross Sea is discussed.   Author(s):  D.R. Thompson ...

    Meeting Document : WG-EMM-12/55 : Auteur(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)

Pages