Résultats de la recherche
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Gestion de précaution de la pêcherie de krill antarctique à des échelles spatiales réduites dans le contexte de la variabilité climatique régionale : l'absence de données implique-t-elle une absence d'impact ?
precautionary reductions in catch at relevant time and space scales in all areas. Moreover, an experimental ... fishery might have an impact upon different ecosystem components (and by how much), has never been ...
Meeting Document : SC-CAMLR-XXXV/11 : Auteur(s): Delegation of the United Kingdom
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Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru
an acoustical scattering model, information on size, morphology, orientation, sound–speed and mass ... -density contrasts between the animal and the surrounding water are required. Sound-speed and mass-density ... -speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru Approval ...
Meeting Document : WG-EMM-08/56 Rev. 1 : Auteur(s): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)
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SC-CAMLR-39
Schedule for the Thirty-ninth Meetings of the Commission and the Scientific Committee ...
Meeting
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Attribution des limites de capture de recherche pour les propositions de recherche soumises à des limitations de l'effort de pêche dans les pêcheries avec des limites de capture pré-existantes non-nulles
assigned to individual vessels or groups of vessels for purposes of completing the proposed research. For ... , deducting research catch limits can result in forgone catch for other vessels participating in the Olympic ... in the following year, to ensure that survey objectives are not compromised while simultaneously ... of New Zealand Title: Assignment of research catch limits for effort-limited research proposals in ...
Meeting Document : SC-CAMLR-XXXIII/09 : Auteur(s): Delegation of New Zealand
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
fluctuations together with preliminary information on adult survival and breeding success patterns for certain ... suggested by the Joint Meeting of CCAMLR's Working Group on Krill (WG-Krill) and Working Group for the ... facilitated discussion on the interpretation of the preliminary estimates of adult survival rate provided for ... modelling attempts Abstract / Description: An initial attempt is made to develop the modelling framework ... reduced in a particular year if an upper bound of 1.5 yr-' on the effective annual fishing mortality for ... 1 and 2), even in the absence of fishing on krill. This is obviously the case for the two bird ... reproducing In an approximate sense, the first two terms on females. the right hand side of the equation ... penguin). The authors are appreciative of the comments of two anonymous reviewers on an earlier version ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Auteur(s): Butterworth, D.S. and R.B. Thomson
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Developing robust biomass estimates and advice on catch limits in research blocks
that improves on the original CPUE by seabed area method for toothfish populations in research blocks ... together in an integrated statistical to provide robust estimates of biomass in research blocks. Author(s ... Scientific Committee requested that the changes to the methods be reviewed, that scientific rational for the ... relationship between CPUE and fish density in the Ross Sea reference area for the first time. The resulting ...
Meeting Document : WG-SAM-17/37 : Auteur(s): S.J. Parker, S. Mormede, A. Dunn, S.M. Hanchet and C. Marsh
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P ... observations showed that these two species were absent from the southern archipelagos of the Scotia Arc (South ... Paper Title: On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... . Tows were 30 minutes in duration and the vessel speed was three knots. The trawl used for sampling ... one of which it appeared together with P. spinosissima. From the 11 hauls for which information on ... that the area studied is on the southernmost limit for the species family Lithodidae in the Atlantic ... preparation of this paper and to Drs Robert S. Otto and John Hoenig for their very useful comments on the ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Auteur(s): López Abellán, L.J. and E. Balguerías
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Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
for Antarctic toothfish (Dissostichus mawsoni) in the small-scale research unit (SSRU) 5841C in the ... between them. δ 15 N values of Antarctic toothfish were higher than for the other species collected ... Paper Title: Diet study of Antarctic toothfish caught in the east Antarctic based on stomach ... toothfish stomachs. Stomach content analyses showed that Antarctic toothfish fed primarily on fish and to a ... (14%). The mixture was shaken, sealed under nitrogen and then heated on a hot block at 100°C for 30 ... , 1987; Michener and Schell, 1994). δ13C in an animal usually occurs within 1‰ compared with that of ... . For the stable isotope analysis, muscle tis- sues underwent lipid extraction two times in a mixed ... min, ramping to 150°C at 30°C min–1, and holding at 250°C for 10 min after ramping at 2°C min–1. The ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Auteur(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*
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Preliminary report on the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and associated field camps in January–February 2016
an important contribution to developing feedback management strategies. Author(s): J. Watkins, O.R ... Delegation responsibility for releasing documents: United Kingdom ... formed a key component of the co-ordinated, multi-national South Orkney Ecosystems Studies focusing on ... 2015-16. The research cruise consisted of collection of at-sea data on the distribution, abundance and ...
Meeting Document : WG-EMM-16/19 : Auteur(s): J. Watkins, O.R. Godø, S. Fielding, C. Reiss, P. Trathan and E. Murphy
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Proposals on standardization of toothfish resource research
efforts by years and research blocks do not allow obtaining scientific-based data for understanding the ... discussed in the context of discussion at the Scientific Committee and the CCAMLR Commission in 2018 ... accompanied by standard procedures for trawl adjusting and monitoring of its parameters. These procedures are ... mandatory for all ships participating in the survey. At the same time, methodological aspects of the multi ...
Meeting Document : WG-SAM-2019/34 : Auteur(s): S. Kasatkina