Résultats de la recherche

1. Annual report of research fishing operations at Division 58.4.4b in the 2018/19 fishing season

   Abstract:  This paper represents the annual report of the multi-member longline survey on ... Patagonian toothfish (Dissostichus eleginoides) at Division 58.4.4b in the 2018/19 fishing season by Japan ... and France. The C2 and Observer data sets were provided by the CCAMLR Secretariat on the 7th August ... , 2019. In this paper, the data set during current fishing season (2018/19) was used for reporting the ...

   Meeting Document : WG-FSA-2019/65 : Auteur(s): Delegations of Japan and France

2. Analysis of scientific observer data from the Saga Sea 2006–2007

   Abstract:  UK observers were present during all fishing operations of the Norwegian flagged Saga ... Sea from June 2006 to June 2007. This paper presents an initial analysis of the krill and fish bycatch ... sampled. Although a reasonably large number of continuous and conventional trawls were undertaken, the ... distribution of these trawls in time and space was not random. The vessel tended to fish with one trawl type ...

   Meeting Document : WG-EMM-07/16 : Auteur(s): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor

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

   Abstract:  The ability to use upper-trophic level species as ecosystem indicators is determined by ... the ability to relate changes in indices of their performance to changes at lower trophic levels ... independent ship-based acoustic estimates of krill abundance from South Georgia the relationship between a ... relationships between the variability of indices and the biological processes that they measured; body mass ...

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

4. Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands

   around the South Shetland Islands in the austral summer 2002 (January-February). Fish were caught by ... observed in other recent surveys within the same area, C. aceratus represented one of the predominant ... species. Overall, 357 specimens ranging from 13 and 67 cm (TL) were selected for the present study. Ages ... were estimated by counting annuli present in the sagittal otoliths, exposed by grinding and polishing ...

   Meeting Document : WG-FSA-02/77 : Auteur(s): M. La Mesa, J. Ashford, E. Larson and M. Vacchi

5. Genetic variation among populations of the Antarctic toothfish: evolutionary insights and implications for conservation

   with over 70% of the world’s fish stocks being fully exploited and in many cases overexploited. On top ... of this, the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) has ... granted commercial fishing permits in the most remote marine environment on earth, the high latitude ... Southern Ocean. The primary target of these new commercial fishing ventures is the large pelagic ...

   Meeting Document : WG-FSA-01/69 : Auteur(s): R.W. Parker, K.N. Paige and A.L. DeVries (USA)

6. Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in March–April 2010, including a revised growth model

   58.5.2 in the vicinity of Heard Island in March-April 2010 to provide the information for an assessment ... of short-term annual yield in the 2010/2011 CCAMLR season. This paper provides a preliminary ... assessment of yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods ... . The strong year class detected in the last three years’ surveys is now fully recruited as the 4 ...

   Meeting Document : WG-FSA-10/12 : Auteur(s): D.C. Welsford (Australia)

7. Towards developing a feedback management procedure for the Antarctic krill fishery

   Abstract:  We present a feedback strategy, founded on CEMP data, to adjust the catch limit and the ... spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ... fishery and are sensitive to changes in the marine ecosystem (e.g. series that indicate predator abundance ...

   Meeting Document : WG-EMM-12/44 : Auteur(s): G. Watters and J. Hinke (USA)

8. A proposal for a research plan for the exploratory longline fishery for Dissostichus spp. in 2013/14 in Division 58.4.3a

   to participate in this exploratory fishery over the next three years in order to achieve a robust ... paper aims to present a research plan for 2013/2014 that takes into account the remarks made during the ... WG-FSA 2012 and to progress on modeling tools in order to improve the estimation of current biomass ... . An update of the assessment of Dissostichus eleginoides using a CASAL model and a simple Petersen ...

   Meeting Document : WG-FSA-13/04 : Auteur(s): A. Rélot-Stirnemann - Submitted on behalf of France

9. Model diagnostics for the Antarctic krill assessment for Subarea 48.1

   integrated model. The purpose of this note is to use some of these methods to explore aspects of the ... ; configuration of the krill model was presented to EMM in 2015 (Kinzey et al. 2015a) along with seven alternative ... configurations based on different data weightings. These alternative configurations were to evaluate the ... influence of different data sources on the model estimates. The work described here augments the previous ...

   Meeting Document : WG-FSA-15/60 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)

10. Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia

    present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... and were the main prey in 12 years, with Champsocephalus gunnari and Lepidonotothen larseni the most ... frequently recorded species, in 51 % and 33 % of samples respectively. The energy or mass of krill in the ... diet was the most reliable predictor of breeding success (the number of chicks fledged per breeding ...

    Meeting Document : WG-EMM-17/P02 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

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