Résultats de la recherche

1. Results of scientific observation in Antarctic krill fishery in 2010/11: II. analysis of variability of krill size and fish by-catch

   as variables of interest based on the scientific observer data for the 2010/2011 fishing season. Both ... observation error. The parameters of the model were estimated by the Markov chain Monte Carlo (MCMC) method in ... WinBUGS with statistical software R. Although the posterior distribution adequately converged for the ... krill length model, some parameters did not converge well in the bycatch fish model. The interaction ...

   Meeting Document : WG-EMM-12/67 : Auteur(s): T. Okuda and M. Kiyota (Japan)

2. Results of reading tests of TOP otolith sections and time schedule of reading for Dissostichus otoliths caught in regions of data-poor fisheries

   Abstract:  The correct age-length keys are essential for the stock assessment of Dissostichus spp ... . by CASAL model. However, the age estimations using the otoliths have been scarcely progressed in ... regions of data-poor fisheries. Therefore the analysis is an urgent task. We have made five reading tests ... using images of thin-sectioned TOP otoliths in December 2012 and May 2013. The coefficient of variation ...

   Meeting Document : WG-SAM-13/19 : Auteur(s): K. Taki and T. Ichii (Japan)

3. Observations pour la saison 2013/2014 relatives à la pêche INN en division 58 de la CCAMLR et dans les ZEE françaises adjacentes aux îles Kerguelen et Crozet et Synthèse de ces observations sur la décennie 2004–2014

   which include the Crozet, Kerguelen and Heard and McDonald EEZs respectively, as well as Statistical ... has carried out exploratory fisheries. In the French EEZs, where the surveillance system remained in ... operation throughout the year, no observations of IUU fishing activity were noted or reported, although ... fishing activity was directly observed by France in the above-mentioned international areas. Between 2004 ...

   Meeting Document : CCAMLR-XXXIII/19 : Auteur(s): Délégation française

4. Scotia Sea Pygoscelid Penguin Tracking and Habitat Analysis Workshop

   predators and the krill fishery was desirable throughout the Scotia Sea; it was recognised that such work ... environmental variables. Consequently, in May 2015, an expert meeting was convened to consider the utility of ... using tracking data to build habitat use and preference models for krill-eating penguins. The meeting ... considered that such models would be of critical value in the development of feedback management approaches ...

   Meeting Document : WG-EMM-15/09 : Auteur(s): P.N. Trathan (United Kingdom), J.T. Hinke (USA) and B. Lascelles (BirdLife International)

5. Target strengths of krill at 136 and 20 kHz

   lengths in the range (45,50) mm the mean single-krill target strengths are in the range (-68,-69) dB at ... 136 kHz. For aggregations with mean lengths in the range (43,47)mm the mean single-krill target ... strengths are in the range (-71,-77) dB at 20 kHz. Trawling-acoustic method. For aggregations with mean ... lengths in the range (47,50) mm the mean target strengths in the range (-71,-75) dB at 20 kHz were ...

   Meeting Document : WG-KRILL-91/29 : Auteur(s): S.M. Kasatkina (USSR)

6. Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs

   Abstract:  Seasonally breeding predators, which are limited in the. time available for ... provisioning young at a central location, and by the fasting abilities of the young, are likely to maximize ... energy delivery to the young by maximizing the rate of energy delivery averaged over the whole period of ... investment. Reduction in food availability or increased foraging costs will alter the optimal behavior of ...

   Meeting Document : WG-EMM-97/08 : Auteur(s): Walker, T.R., McCafferty, D.J., Boyd, I.L.

7. Proposition d'une édition spéciale de CCAMLR Science

   Abstract:  CCAMLR Science provides a valuable mechanism for promoting the science undertaken in ... connection with CCAMLR and for raising CCAMLR’s profile within the international scientific community ... . However, in recent years there has been a decrease in the number of papers submitted to CCAMLR Science for ... their publication. Taking into account the review made by the CCAMLR Secretariat, the subsequent ...

   Meeting Document : SC-CAMLR-XXXVI/16 : Auteur(s): Delegations of Argentina and Chile

8. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   Abstract:  The Spanish system is used in a range of demersal and semi-pelagic longline fisheries ... throughout the southern hemisphere and has been the source of a large number of seabird fatalities. An ... experiment was conducted on a chartered Spanish-rig vessel to improve the sink rate of longlines to reduce ... interactions with seabirds. The benchmark sink rate was that of integrated weight (IW) longlines, as used by ...

   Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

9. Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2

   48.2 (South Orkney Island). The sampling stations were set in approximately the same geographical ... , 2012) and on shelf areas of the South Orkney Islands according to a subsample of stations sampled by ... the R/V ' Yuzhmorgeologiya ' (Jones & Kock, 2009). The cruise took place 6-27 January ... , 2018, primarily using a Hardbottom Snapper trawl (NET Systems, Inc.), previously used by the US AMLR ...

   Meeting Document : WG-SAM-18/25 : Auteur(s): Delegation of Chile

10. Stable isotope analysis of Southern Ocean fish tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni)

    fishing vessels during the 2005/06 season in the Ross Sea CCAMLR Subarea 88.1 in order to investigate ... three trophic levels exist between icefish occupying the lowest trophic level, and Antarctic toothfish ... occupying the highest level. Some Antarctic toothfish sampled in this study occupied a similar trophic level ... according to their?15N signatures to killer whales and Weddell seals in McMurdo Sound, bluefin tuna in the ...

    Meeting Document : WG-EMM-07/19 : Auteur(s): M.H. Pinkerton, S. Bury, S.M. Hanchet and D. Thompson (New Zealand)

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