Résultats de la recherche

1. Modelling growth and reproduction of Antarctic krill: implications of spatial and temporal trends in temperature and food for ecosystem-based management of krill fisheries

   consistent with the general expectations for krill growth models as well as having the flexibility to be ... precautionary yield for krill in CCAMLR, we recommend that this new model be incorporated into those assessments ... that can flexibly take account of regional and interannual variation, including time trends, of ... .  The current uncertainty in many of the parameter values could be included in the Monte Carlo ...

   Meeting Document : WG-EMM-12/38 : Auteur(s): A.J. Constable and S. Kawaguchi (Australia)

2. Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach

   . rossii and N. coriiceps, suggesting that other food sources need to be analysed and the species fatty ... diet of species that are hard to observe while feeding. Herein we compare FA profiles and SI ... - Notothenia rossii and N. coriiceps – that are key components in the inshore ecosystem of the South Shetland ... . Notothenia rossii showed a higher total FA concentration, with high levels of polyunsaturated FA (PUFA) such ...

   Meeting Document : WG-FSA-2019/26 : Auteur(s): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch

3. Draft updated data collection plan for the Ross Sea toothfish fishery

   inform management decisions made to achieve specific goals. Any data collection plan should be drawn from ... Article II of CCAMLR can be summarised as: the target fished population is above a level which ensures ... ecosystem which are not potentially reversible over two or three decades, with the aim of making possible ... data collection plan. This paper provides context with the proposed medium term research objectives ...

   Meeting Document : WG-FSA-15/40 : Auteur(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)

4. The Regional Fishery Body Secretariats’ Network

   Abstract:  The Regional Fishery Body Secretariats' Network (RSN)  is a unique coordination ... activities that have the ultimate goal of promoting and highlighting the essential role of regional ...

   Meeting Document : CCAMLR-38/BG/50 : Auteur(s): Submitted by FAO

5. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2015 random stratified trawl survey

   standard CCAMLR methods. A large 2+ cohort is dominating the population. These projections indicate that ... catches of 482 t in the 2015/16 season and 357 t in the 2016/17 season. Author(s):  D.C. Welsford ...

   Meeting Document : WG-FSA-15/12 Rev. 1 : Auteur(s): D.C. Welsford (Australia)

6. Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport

   . Here we present Lagrangian modelling studies at the circumpolar scale that include interaction with sea ... that the Antarctic Coastal Current is likely to be important in generating the large-scale distribution ... in the Southern Ocean. Krill have a close association with sea ice which provides access to a ... Modelling (OCCAM) project model together with satellite-derived sea ice motion vectors to examine the ...

   Meeting Document : WG-EMM-07/P10 : Auteur(s): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)

7. Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region

   to be estimated, along with changes in catch rate at different levels of observed bycatch. Results ... collected for two fishing seasons, with 4 728 longline segments observed. Several regions with consistent ... presence of VME taxa bycatch are identifiable, as are several areas of dense fishing effort with no ... indicate that several VME taxa are detected between 60% and 80% of the time when present, and that ...

   Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

8. Do Adélie penguin fledgling weights provide an index of prey availability?

   . The concerns raised by Williams and Croxall (1990) that fledgling weight may increase with an ... the end of the breeding season were more strongly correlated with later foraging trips than with ... crèche stages of the breeding season. In some seasons, there appeared to be constant levels of resources ... throughout the breeding season resulting in good breeding success with heavy fledglings or poor breeding ...

   Meeting Document : WG-EMM-05/21 : Auteur(s): L. Emmerson, C. Southwell and J. Clarke (Australia)

9. Update from the Bioregionalisation Workshop Steering Committee on progress towards the 2007 Workshop on Bioregionalisation

   Abstract:  A Bioregionalisation Workshop Steering Committee was formally convened in August, 2006 ... are identified, as well as issues to be discussed. The paper is intended to provide background and a ...

   Meeting Document : SC-CAMLR-XXV/BG/24

10. Validation of sink rates of longlines measured by two different methods

    bottles may be an appropriate means for measuring sink rates to shallow depths (> 5 m) that they should ... with bottles averaged 0.13 ± 0.02 m.s-1 compared to 0.21 ± 0.07 m.s-1 recorded by TDRs. This difference ... difficult and unreliable with bottles. Bottles had a higher failure rate (51 – 68 %) than TDRs (> 90 ... %), for example, with string becoming entangled or bottles vanishing from sight. We recommend while ...

    Meeting Document : WG-FSA-03/62 : Auteur(s): B. Wienecke and G. Robertson (Australia)

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