Résultats de la recherche

1. Revised assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014

   Abstract:  We presented five sensitive runs of single-sex age-structured CASAL models for stock ... status assessments of Dissostichus eleginoides in the research block 58.4.4b_1 in the last WG-SAM meeting ... included all observations. The Working Group, however, requested the further examination of the sensitivity ... consequences of different harvest levels for the time to recovery to the target level. We revised to retain tag ...

   Meeting Document : WG-FSA-15/23 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

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

   Abstract:  Data are collected for use in scientific research, the results of which are used to ... the goals the management wishes to achieve. The long-term goals of the Ross Sea fishery based on ... Article II of CCAMLR can be summarised as: the target fished population is above a level which ensures ... are maintained; and, prevention of changes or minimisation of the risk of changes in the marine ...

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

3. Report on exploratory fishing by Australia in Division 58.4.1 during the 2015/16 fishing season

   companion paper to Maschette et al. (2016) which reports on the collection of environmental data under ... composition, tagging and biological sampling undertaken by Australia in SSRUs 58.4.1E and 58.4.1G. A total of ... logbooks recorded a total of 51980.9 kg of Antarctic toothfish (Dissostichus mawsoni) and 581.6 kg of ... Patagonian toothfish (Dissostichus eleginoides). Macroscopic evaluation of maturity stage indicated that both ...

   Meeting Document : WG-SAM-16/35 : Auteur(s): P. Yates, D. Welsford, P. Ziegler, D. Maschette and T. Lamb

4. Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region

   (preliminary recaptures) in 2017. The aim of this paper is to ascertain when the Amundsen Sea region stock ... assessment model is likely to provide management advice, and to investigate the effects of using either two ... in estimates of biomass, the likely biases, and to set expectations for mark-recapture data for the ... models showed that using two independent models lead to higher estimates of biomass in the North and ...

   Meeting Document : WG-SAM-17/40 : Auteur(s): S. Mormede and S. Parker

5. Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups

   Abstract:  The body composition, milk consumption, and growth efficiency of Antarctic fur seal ... , South Georgia. The body composition of pups differed between the sexes; whereas for any given age ... consumption was determined on 388 occasions in 177 pups. Mean estimates of milk consumption ranged from 2.5 to ... before decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was ...

   Meeting Document : WG-EMM-97/11 : Auteur(s): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.

6. Seabird interaction with long-lining operations for Dissostichus eleginoides around South Georgia, April and May 1994

   mortalities recorded over twenty sets of the line; no mortalities occurred during hauls. The 16 sets made at ... night contributed 15% of the overall mortality, all of white-chinned petrels: the four day time sets ... contributed 85% of overall mortality, with giant petrels, grey-headed albatrosses and black-browed albatrosses ... decline, were disproportionately affected in relation to their numbers in the vicinity of the fishing ...

   Meeting Document : WG-IMALF-94/15 : Auteur(s): J.R. Ashford, J.P. Croxall (United Kingdom), P.S. Rubilar and C.A. Moreno (Chile)

7. Assessing status and change in Southern Ocean ecosystems

   trends of Southern Ocean marine ecosystems overall, against which change in ecosystem structure and ... likelihood of different states in the future.  These requirements are needed by different bodies regionally ... Commission for the Conservation of Antarctic Marine Living Resources, and to provide strategic advice, such ... likelihood of future states be assessed? What are the gaps in knowledge that are required to be able to ...

   Meeting Document : WG-EMM-13/36 : Auteur(s): A. Constable (Australia), D. Costa (USA), E. Murphy (United Kingdom), E. Hofmann, O. Schofield (USA), A. Press (Australia), N. Johnston (United Kingdom) and L. Newman (Australia)

8. Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate

   Abstract:  The reproductive success of southern right whale (Eubalaena australis) depends on body ... change in the abundance of the species main prey, krill (Euphausia superba), on the feeding grounds ... . Annual data on southern right whale number of calves were obtained from aerial surveys carried out ... number of calves recorded each year varied from 7 to 43 (x = 21.11 ± 11.88). Using cross-correlation ...

   Meeting Document : WG-EMM-16/P06 : Auteur(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi

9. Cameras installation by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies – CEMP Fund project ‘Establishing a CEMP Camera Network in Subarea 48.1’

   part of the CEMP project run by USA, Argentina, Poland and Ukraine 'Establishing a CEMP Camera ... Network in Subarea 48.1'. Work has been provided under support of the National Antarctic Scientific ... Center of Ukraine that is operating Vernadsky Station. In season 2015/2016 we installed nine cameras at ... and chronology. Cameras have been installed in the middle of breeding season due to late arrival and ...

   Meeting Document : SC-CAMLR-XXXV/BG/27 : Auteur(s): Delegation of Ukraine

10. Domain 1 Marine Protected Area Preliminary Proposal PART C: Biodiversity Analysis by MPA zones

    Abstract:  This document contributes to the planning process for the designation of a Domain 1 MPA ... in Doman 1; while some of them occupy very small areas – such as polynyas – others extend over larger ... change (SC-CAMLR-XXXVI/18). The MPA model achieved the targets for almost 90% of the conservation objects ... proposed MPA fulfils the level of protection the international community agreed on for Domain 1 ...

    Meeting Document : SC-CAMLR-XXXVI/BG/21 : Auteur(s): Delegations of Argentina and Chile

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