Résultats de la recherche

1. Growth rates of Antarctic fur seals as indices of environmental conditions

   weighing cross-sections of the population were compared with measured/inferred changes in the the ... population available for sampling appear to invalidate the widely held assumption that inter-annual ... differences in growth rate can reliably be derived from differences in the slope of a linear relationship ... mass at age in each year compared to the multi-year mean, that was not dependent on assumptions of ...

   Meeting Document : WG-EMM-01/20 : Auteur(s): K. Reid (United Kingdom)

2. Recommendations for CCAMLR tagging procedures

   Abstract:  With the recognition that CCAMLR tagging programmes are used for abundance estimation ... of toothfish and skates, tagging operations need to be appropriately supported through documentation ... , training, and supplies. This paper reviews how tagging programme information could be effectively organised ...

   Meeting Document : WG-SAM-12/31 : Auteur(s): S. Parker, J. Fenaughty (New Zealand), E. Appleyard (Secretariat) and C. Heinecken (South Africa)

3. Background information to support development of a feedback management strategy for the krill fishery in Subarea 48.1

   circulation model and particle tracking to show that areas with high catches also tend to be areas of ... summer and winter. We show that direct overlap of krill-dependent predators with the krill fishery on ... Abstract:  Here we compile eight vignettes that, together, provide the background data and ... larger management units. We believe that identifying management areas that are larger than SSMUs within ...

   Meeting Document : WG-EMM-16/45 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

4. A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management

   the trigger level that ensured that krill predators “ would not be inadvertently and ... disproportionately affected by fishing activity”.   CM 51-07 is to be “ reviewed in 2016 with the intent of ensuring ... because the Commission, in the preambular paragraphs to that measure, recognised that localised catches up ... across subareas and amongst SSMUs for 2016/17 and beyond.  They indicate that some SSMUs may have a ...

   Meeting Document : WG-EMM-16/69 : Auteur(s): A.J. Constable, S. Kawaguchi and M. Sumner

5. Proposal of extension of research block 48.6_2 to complete planned research and examine the habitat model and the stock structure

   its southeastern bank (south of ca. 55.2°S) with higher fish densities but scarce in the northern area ... with lower fish densities, and it has not taken approximately 50-70% of the annual catch limit (CL=170 ... completion of planned research and examination of the habitat model and the stock structure. Author(s):  T ... . Namba, T. Ichii and K. Taki Title:  Proposal of extension of research block 48.6_2 to complete planned ...

   Meeting Document : WG-SAM-16/08 : Auteur(s): T. Namba, T. Ichii and K. Taki

6. A survey plan of Japanese RV Kaiyo Maru in 2004/05 for the Ross Sea and adjacent waters, Antarctica

   and February 2005. Transect lines along 180, 175E and 165E will be set to cover hot spots where ... shelf off the Victoria Land and the Bay of Whale Bay. The 175E line, especially, will be surveyed in ... ):  M. Naganobu, K. Taki and T. Hayashi (Japan) Title:  A survey plan of Japanese RV Kaiyo Maru in 2004 ...

   Meeting Document : WG-EMM-04/47 : Auteur(s): M. Naganobu, K. Taki and T. Hayashi (Japan)

7. Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2

   . Our simulations demonstrated that emigration of tagged fish out of the assessed area results in ... migration rate from Division 58.5.2 to 58.5.1 was estimated to be 1.1% using longline releases from 2007 ... 58.5.2 was estimated to be 0.4% and was insensitive to the time period of longline tag releases used. For ... annual migration rates <2%, consistent with those we observed in Patagonian toothfish on the Kerguelen ...

   Meeting Document : WG-SAM-17/11 : Auteur(s): P. Burch, P. Ziegler, D. Welsford and C. Péron

8. Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)

   that best estimates of cohort abundance will be achieved when mixture analysis is informed by accurate ... abundance of specific cohorts were sensitive to the number of cohorts assumed to be represented in the ... year such as could be derived through an age length key, and the selectivity of the gear used in the ... abundance of juvenile fish and the length-at-age model were also examined. Yield estimates were found to be ...

   Meeting Document : WG-FSA-06/44 Rev. 1 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)

9. White-chinned petrel incidental mortality event in the Subarea 48.3 Patagonian toothfish fishery during the season extension period in the 2013/14 season

   vessels very rarely catch seabirds. In accordance with CM 41-02, there will not be a season extension in ... for over 10 years. The circumstances associated with the event were investigated and a review of ... that was partly set after Nautical Twilight (dawn), so was in breach of CM25-02. Although the line was ... available data indicates that, while the risk of seabird mortality is slightly higher in April, autoline ...

   Meeting Document : WG-FSA-14/28 : Auteur(s): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)

10. Demonstrating proof of concept of the application of systematic conservation planning at the circumpolar scale

    Marxan. This report offers a proof of concept that systematic conservation planning can be applied at a ... establish meaningful protection for the unique biodiversity of the Southern Ocean. With conservation ... the remaining priority areas, and ensure that proposals arising out of individual priority areas can ... be incorporated into a whole of Southern Ocean context, while also enabling planning work to occur ...

    Meeting Document : WG-EMM-10/34 : Auteur(s): D. Beaver, R. Nicoll, G. Llewellyn, P. Harkness, C. Hellyer and J. Turner (ASOC-WWF)

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