Résultats de la recherche
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Recalculation of Antarctic krill (Euphausia superba) biomass off East Antarctica (30–80°E) in January–March 2006
Abstract: We recalculated krill biomass for the 2006 BROKE-West (CCAMLR Division 58.4.2) summer ... survey. The recalculation was carried out on the calibrated, multi-frequency acoustic data described in ... Jarvis et al. (2010) Deep-sea Res. Pt II 57:916-933. Biomass recalculation methods conformed to the ... . (2010). Both the revised and Jarvis et al. (2010) point and variance estimates are practically identical ...
Meeting Document : WG-EMM-12/31 : Auteur(s): M.J. Cox and S. Kawaguchi (Australia)
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Systematic Coverage’ by scientific observers on Krill Fishing Vessels
Abstract: A work plan to establish an observer scheme for krill fishery was agreed at the ... previous Scientific Committee and the Commission. The first step was to consider ‘systematic coverage’ of ... the observers. In this document, Japan proposes a framework for scientific observer system for krill ...
Meeting Document : WG-EMM-08/34 : Auteur(s): Delegation of Japan
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Seabird by-catch by tuna longline fisheries off southern Africa, 1998–2000
Abstract: The incidental mortality of seabirds in tuna longline fisheries is estimated for the ... observed 108 sets (143 260 hooks) during the period 1998–2000. Despite most lines being set at night ... bycatch differed regionally in relation to the numbers of birds attending vessels. In international waters ... off the Northern Cape and southern Namibia, where there are few birds, only one bird was caught on 93 ...
Meeting Document : WG-FSA-01/28 : Auteur(s): P.G. Ryan, D.G. Keith and M. Kroese (South Africa)
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ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3
one season, and have been present on board for about 30% of the fishing season. They have achieved a ... variance, the between vessel variance being about 45% of total variance. However, the ratio is sufficiently ... . The Scientific Committee’s method of systematic partial coverage appears to have been sufficient in ... subarea 48.3 to determine appropriate coverage levels in that fishery. The 48.3 data suggest that such ...
Meeting Document : WG-EMM-09/25 : Auteur(s): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)
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OBSERVED RECOVERY OF NOTOTHENIA ROSSII AND FURTHER DECLINE OF GOBIONOTOTHEN GIBBERIFRONS IN SCIENTIFIC CATCHES AT POTTER COVE, SOUTH SHETLAND ISLANDS
Abstract: The results of the current monitoring program of fjord fish at Potter Cove, South ... in and the disappearance of Gobionotothen gibberifrons from the catches since 2007. Author(s): E ...
Meeting Document : WG-FSA-09/31 : Auteur(s): E. Marschoff, E. Barrera-Oro, N. Alescio and E. Moreira (Argentina)
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On development of centralised preparation and accreditation scheme for scientific observers and CCAMLR Member countries
, cruise report etc.) produced during the inter-session SISO work are presented in the paper. Position of ... the Russian Federation on development of centralized preparation and accreditation scheme for ... scientific observers and CCAMLR member countries is amplified here. Author(s): Delegation of the Russian ...
Meeting Document : SC-CAMLR-XXXIII/BG/18 : Auteur(s): Delegation of the Russian Federation
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Area-based conservation and management measures utilised under CCAMLR
a broad conservation and management framework under which the entire CCAMLR Area could be considered ... ensure the maintenance of habitats and/or to meet the requirements of specific species”. Recent ... discussion within CCAMLR forums has focused on the need for further protection to be afforded to inter alia ... . This would complement the existing area-based management system, and thus achieve additional benefits ...
Meeting Document : CCAMLR-XXV/BG/18 : Auteur(s): Submitted by IUCN
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ANTARCTIC-WIDE GEOMORPHOLOGY AS AN AID TO HABITAT MAPPING AND LOCATING VULNERABLE MARINE ECOSYSTEMS
features of the Antarctic continental margin and adjoining ocean basins at scales of 1:1-5 million. These ... shown to provide a guide to the distribution in the area of the shelf benthic communities recognised by ... Gutt (2007). The geomorphic mapping method presented here provides a layer to add to benthic ...
Meeting Document : WS-VME-09/10 : Auteur(s): Romeyn, R., O’Brien, P.E., Post, A.L.
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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 ... ensuring that other vessels operating in the same fishery are not disadvantaged and continue to prioritise ...
Meeting Document : SC-CAMLR-XXXIII/09 : Auteur(s): Delegation of New Zealand
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Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density
. Density was estimated, from identified krill targets, using the 120 kHz data and an acoustic scattering ... that only the 120-70 kHz (S v120-70) identification window was comparable with the regularly used 120 ... -38 kHz (S v120-38) window, and only the 200-120 kHz and 120-70 kHz (S v120-70 & S v200-120 ... ) identification window was comparable with the regularly used 120-38 and 200-120 kHz (S v120-38 & S v200-120 ...
Meeting Document : SG-ASAM-18/01 : Auteur(s): S. Fielding