Résultats de la recherche

1. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a

   Abstract:  The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... estimator was largely different from that using the CPUE method. Predicted numbers of tag recaptures from ... during 2013-14 seasons. Understanding of the resource structure through clarification of their life ...

   Meeting Document : WG-SAM-15/03 : Auteur(s): Delegation of Japan

2. Monitoring variability and change in the plankton communities of the Scotia Sea through Continuous Plankton Recorder surveys

   Abstract:  The northern regions of the Scotia Sea demonstrate notable variability in environmental ... conditions, particularly in the location of the Polar Front. This has a strong influence on patterns of ... productivity and distribution of plankton, with implications to higher trophic levels, including harvested ... species. The long-term impact of environmental variability on plankton species composition and abundance ...

   Meeting Document : WG-EMM-16/29 : Auteur(s): G.A. Tarling, M.Z. Wootton, D.G. Johns, T.D. Jonas, E.J. Murphy and P. Ward

3. Microbial study of toothfish tissue in Divisions 58.4.1 in 2014/15

   Abstract:  Dissostichus mawsoni, the Antarctic toothfish, is a local organism of the Southern ... Ocean. The fish is a member of the Notothenioidei, which lives in the sub-zero (-2 °C) continental shelf ... waters of Antarctica. The Antarctic toothfish are protected from freezing by the existence of antifreeze ... explore the bacterial population which is present in the tissues of Antarctic toothfish by using both ...

   Meeting Document : WG-EMM-16/32 : Auteur(s): Delegation of the Republic of Korea

4. Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations

   regular scientific monitoring of the resource. Recently, however, the Commission for the Conservation of ... Marine Living Resources (CCAMLR) has initialised a process to make use of acoustic data from commercial ... fisheries to increase the amount of relevant information available for making management decisions. We here ... provide an example where 34 days of acoustic data, collected during commercial krill fishing operations on ...

   Meeting Document : WG-EMM-16/P12 : Auteur(s): E.J. Niklitschek and G. Skaret

5. Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2018/19 by Japan and South Africa

   various demographic parameters of Antarctic toothfish (Dissostichus mawsoni) in the Subarea 48.6 in 2018 ... area to better understand stock structure, movement patterns and improve estimation of population ... characteristics and thereby contribute to the development of spatial population models and assessments in support ... of management advice. Additional outcomes of the research include documenting relative abundance of ...

   Meeting Document : WG-SAM-18/04 : Auteur(s): Delegations of Japan and South Africa

6. Second progress report of the CEMP Special Fund overwinter penguin tracking project

   Abstract:  We provide a 2 nd update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... the CEMP Special Fund in 2015/16. Of 150 tags purchased in 2016, all have been deployed and the data ... collection phase has recently concluded. As of 28 May 2018, the last viable tags had ceased transmitting and ...

   Meeting Document : WG-EMM-18/24 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire and G. Milinevsky

7. CEAMARC, the Collaborative East Antarctic Marine Census for the Census of Antarctic Marine Life (IPY # 53): An overview

   distribution and abundance of Antarctic marine biodiversity and how it will be affected by climate change. It ... was a major ship-based research programme in the austral summer of 2007e2008 involving scientists from ... comprehensive survey of the plankton, fish, benthos, oceanography and geophysical conditions of the waters north ... of Terre Ade´lie and George V Land of Eastern Antarctica. CEAMARC has provided a robust benchmark of ...

   Meeting Document : WS-MPA-11/P01 : Auteur(s): G. Hosie, P. Koubbi, M. Riddle, C. Ozouf-Costaz, M. Moteki, M. Fukuchi, N. Ameziane, T. Ishimaru, A. Goffart

8. Ecosystem indicators: factors affecting the choice of predator performance indices for use in monitoring programmes

   the ability to relate changes in indices of their performance to changes at lower trophic levels ... . Using indices of predator performance from four species of krill-eating predator together with ... independent ship-based acoustic estimates of krill abundance from South Georgia the relationship between a ... range of indices of predator performance and krill abundance was examined. There was a distinct ...

   Meeting Document : WG-EMM-03/43 : Auteur(s): K. Reid (United Kingdom)

9. By-catch of rays in the 2002/03 toothfish fishery around South Georgia

   survival and conservation of rays; • It was the first in which very good quality information was available ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ... the cooperation of Chile and one fishing company, undertook an experiment to determine the ... survivorship of cut-off rays. This is described elsewhere by Endicott & Agnew (WG-FSA-03/??). We estimated ...

   Meeting Document : WG-FSA-03/58 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)

10. Diet of two icefish species from the South Shetland Islands and Elephant Island, Champsocephalus gunnari and Chaenocephalus aceratus 2001–2003

    Abstract:  The summer diet of two species of icefishes (Channichthyidae) from the South Shetland ... importance of other taxa (Themisto gaudichaudii, mysids, myctophids) in the diet was negligible. The average ... feeding rate of C. gunnari inferred from an exponential gastric evacuation model was between 1.0 and 1.5 ... % body weight per day. Most of the stomachs of C. aceratus were empty. Stomachs with food contained ...

    Meeting Document : WG-FSA-03/61 : Auteur(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)

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