Résultats de la recherche
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Orientation of Antarctic krill in an aquarium
strength (TS) values, since TS varies with body orientation. Krill body orientation was measured in an ... slightly less than that when animals were hovering, 49.7° (SD=7.5°, N=50). Such an acute angle of elevation ... ): Y. Endo (Japan) Title: Orientation of Antarctic krill in an aquarium Approval: Approved ... directly. Information on body orientation, however, is needed to obtain reliable krill acoustic target ...
Meeting Document : WG-KRILL-93/24 : Auteur(s): Y. Endo (Japan)
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Retrait du navire Northern Warrior de la liste INN – informations présentées par la République d'Angola
les informations complémentaires que l'Angola a fournies en 2018 dans les délais précis ... ;a pas retiré de la liste. Les informations fournies en 2018 sont annexées au présent ...
Meeting Document : CCAMLR-XXXVII/34 : Auteur(s): CCAMLR Secretariat
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An index of per capita recruitment
introduce additional bias. On average, PCR will under estimate recruits per spawner by 30% if reasonable ... Abstract: An index of per capita recruitment (PCR) is proposed such that Ri PCRy–1 = R1y/(1–R1y ... )eM where R1 is the proportion of age-1 animals sampled in year y and M is the post-recruit mortality ... spawners. Introducing year to year random variability in both mortality and proportion of age age-1 ...
Meeting Document : WG-EMM-99/50 : Auteur(s): R. Hewitt (USA)
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Population structure and connectivity of an important pelagic forage fish in the antarctic ecosystem, Pleuragramma antarcticum, in relation to large scale circulation
Antarctica and are considered an important species rivaling krill as prey for many birds, seals, whales, and ... : Population structure and connectivity of an important pelagic forage fish in the antarctic ecosystem ... Ross Sea, ii) on the southern Antarctic Peninsula in Marguerite Bay and off Charcot Island, iii) off ... transported by the ACC, shelf processes on the West Antarctic Peninsula (WAP), or along the Weddell Front ...
Meeting Document : WG-FSA-12/23 : Auteur(s): J.W. Ferguson (USA)
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At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
French Exclusive Economic Zone (EEZ) and other Commission for the Conservation of Antarctic Marine Living ... stage. Dynamic analysis (detection for each bird location of any operating vessel within a time/space ... . Weimerskirch Title: At-sea distribution and diet of an endangered top predator: links of white-chinned petrels ... white-chinned petrels (Procellaria aequinoctialis) breeding on Kerguelen Island, Southern Indian Ocean ...
Meeting Document : WG-FSA-10/P01 : Auteur(s): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch
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Research and monitoring to support an MPA in the Ross Sea Region
provide an improved plan that both usefully supports an MPA in the RSR and indicates a way forward for ... establishment of an MPA in the RSR will require agreement on alternative boundaries and objectives, and ... Abstract: Conservation Measure 91-04 establishes the requirement for research and monitoring ... should be structured. Here we present a draft plan to support an MPA in the Ross Sea Region (RSR) and ...
Meeting Document : WG-EMM-12/46 : Auteur(s): G.M. Watters and C.S. Reiss (USA)
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Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
of krill catch and effort. We have pulled together an initial collection of existing krill predator ... distribution models and have produced new preliminary models for krill and various predator species. We request ... to allow the completion of a first risk assessment for the krill fishery in this region in the near ... Title: Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions ...
Meeting Document : WG-EMM-17/20 : Auteur(s): N. Kelly, M. Cox, L. Emmerson, S. Kawaguchi, B. Raymond, C. Southwell and D. Welsford
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Ross Sea Bioregionalisation, Part II: Patterns of co-occurrence of mesopredators in an intact polar ocean ecosystem
mesopredators in an intact polar ocean ecosystem Approval: Approved ... because of their rarity and, therefore, lack of adequate sighting data on which to generate spatial models ... ). Data on depth of diving and diet were taken from the literature. Three patterns of horizontal spatial ...
Meeting Document : WG-EMM-10/12 : Auteur(s): G. Ballard, D. Jongsomjit and D.G. Ainley (USA)
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Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates
the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... Abstract: This report outlines developments towards evaluating bias in abundance estimates for ... population abundance. Author(s): A. Dunn (New Zealand) Title: Developments towards an investigation of ... approach that uses the current data on catch (C2 data), tag-recovery effort and tag-release data from Dunn ...
Meeting Document : WG-FSA-SAM-06/10 : Auteur(s): A. Dunn (New Zealand)
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An analysis of within-season recaptures of tagged toothfish
recapture locations for these fish was similar to that of all recaptured fish. The relative frequency of ... isolated, seamount in Subarea 88.2. Author(s): Secretariat Title: An analysis of within-season recaptures ... Abstract: In response to a request from WG-SAM, the secretariat inspected the available data on ...
Meeting Document : WG-FSA-13/01 : Auteur(s): Secretariat