Résultats de la recherche

1. Ross Sea Bioregionalisation, Part II: Patterns of co-occurrence of mesopredators in an intact polar ocean ecosystem

   and Snow petrel. The apex predators, Leopard Seal and Killer Whale ecotype A/B, were not included ... mesopredator species distributions at a 5km/pixel scale, using environmental data and species presence ... localities from at-sea surveys and other sources. A machine learning, “maximum entropy” modeling algorithm ... used to identify areas of importance to species in a conservation prioritization framework (Zonation ...

   Meeting Document : WG-EMM-10/12 : Auteur(s): G. Ballard, D. Jongsomjit and D.G. Ainley (USA)

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

   Scientific Committee. This study used a fisheries simulation model to evaluate the impacts of migration on a ... biomass estimates and sustainable catch limits from a closed population tag-based CASAL stock assessment ... of rates of Kerguelen Plateau Patagonian toothfish between the Divisions 58.5.1 and 58.5.2 using a ... migration rate, providing a simple yet effective approach to correct for the effects of emigration. The key ...

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

3. Proposal to extend the fishing season for longline fishing in CCAMLR Statistical Division 58.5.2

   regime of mitigation measures poses a very low level of risk to seabirds. It proposes that the period ... during which fishing is allowed be extended on a trial basis to include 1 to 31 October, subject to a ...

   Meeting Document : WG-FSA-07/17 : Auteur(s): I. Hay (Australia)

4. CEMP indices: 2007 update

   . Each year the Secretariat updates the standardised index values and provides a summary of trends and ... , but were lost in a fire onboard the icebreaker Irizar. The development of an ordination method, with ... guidance from WG-EMM and consultation with experts, remains a main priority for future work. Author(s ...

   Meeting Document : WG-EMM-07/04 : Auteur(s): Secretariat

5. Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7

   description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ... provide a useful index of foraging performance, however, the use of the 90th percentile of the cumulative ... foraging effort may provide a more sensitive measure of changes arising from changes in foraging strategies ...

   Meeting Document : WG-EMM-04/60 : Auteur(s): G. Watters (USA) and K. Reid (United Kingdom)

6. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) biomass

   Abstract:  A large-scale acoustic survey of zooplankton stocks of the waters around South Georgia ... was carried out during November and December 1981. The data have been analysed as a survey using ... Author(s):  E. Murphy, I. Everson and A. Murray (United Kingdom) Title:  Analyses of acoustic line ...

   Meeting Document : WG-KRILL-91/30 : Auteur(s): E. Murphy, I. Everson and A. Murray (United Kingdom)

7. Assessment of the status of the Champsocephalus gunnari stock in the South Georgia area for the 1990/91 season and TAC calculations for the 1991/92 season

   fishing regime brought about by a change in mesh size (90 mm). A TAC of 59.4 thousand tonnes for C ... . gunnari is advised for an optimal regime of fishing operations at a level of F0.1 = 0.65. Author(s):  P.S ...

   Meeting Document : WG-FSA-91/27 : Auteur(s): P.S. Gasiukov (USSR)

8. Management of VMS information by the Secretariat concerning catches of Patagonian toothfish beyond the Convention Area

   Abstract:  Currently, some State Parties require, as a requirement to introduce toothfish into ... CCAMLR data bases in a timely manner and made readily available for consultation by those State Parties ... . This is proposed to be carried out through a modification of Conservation Measure 10-04 (2007) in ...

   Meeting Document : CCAMLR-XXIX/46 : Auteur(s): Delegation of Chile

9. REPORT OF THE CCAMLR OBSERVER TO THE INTERSESSIONAL MEETING ON THE FUTURE OF THE INTERNATIONAL WHALING COMMISSION (IWC) (6 to 8 March 2008, London, UK)

   meeting identified a range of options for streamlining the working methods and practices of the Commission ... which were subsequently discussed in the intersessional period prior to the 60th Annual Meeting. As a ... practices and a path towards resolution of substantive issues affecting the IWC. The intersessional meeting ...

   Meeting Document : CCAMLR-XXVII/BG/31 : Auteur(s): CCAMLR Observer (United Kingdom)

10. Observer coverage in CCAMLR krill fisheries from 2011 to 2015

    discussion at the Commission for a number of years, as the krill fishery is the only CCAMLR fishery that does ... the number of days observers were present on vessels as this is a consistent metric that can be ... applied fleet wide, regardless of fishing method. The results show a 90% level  of observer coverage ...

    Meeting Document : WG-EMM-16/11 : Auteur(s): CCAMLR Secretariat

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