Résultats de la recherche
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Distribution and biological characteristics of two toothfish species of genus Dissostichus (family Nototheniidae) off Bouvet Island
) toothfish, were registered during the fishery on Dissosyichus spp. on the shelf edge and slope of Bouvet ... Island. Their commercial concentrations were found also on the neighboring underwater plateaus ... surrounding the island. The vertical distribution of two species was differentiated distinctly, with the ... crossover point at depth of 1300 m. For both species the size and weight compositions were studied; indices ...
Meeting Document : WG-FSA-11/17 : Auteur(s): A.F. Petrov (Russia)
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NOTIFICATION OF VULNERABLE MARINE ECOSYSTEMS IN STATISTICAL AREA 58.4.1
bottom fishing gear on Vulnerable Marine Ecosystems (VMEs) are avoided. In order to satisfy the ... requirements of CM 22-06 a method is proposed to notify CCAMLR of the presence of VMEs and their location using ... a simple pro-forma. Two VMEs identified during the Australian CEAMARC-CASO cruise are notified using ... this form from Statistical Area 58.4.1, SSRU H. The use of 5 nm buffer zones around the location of the ...
Meeting Document : SC-CAMLR-XXVII/13 : Auteur(s): Delegation of Australia
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IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)
Abstract: Knowledge of the scattering properties of Antarctic krill (Euphausia superba) is ... crucial for biomass estimates of the species, but in situ investigations regarding this are still very ... scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... on orientation angles and target strength of Antarctic krill. The main investigations were done off ...
Meeting Document : WG-EMM-08/29 : Auteur(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)
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Abundance of Patagonian toothfish (D. eleginoides) at Macquarie Island estimated from tagging studies during 1995/96 fishing season
presents an analysis of a tag-recapture experiment carried during the Macquarie Island fishery for this ... species during the 1995-96 season. Simple population and tag accumulation models are used to account for ... the tags being released at various times throughout the season, and the effects of the removals by ... obtained for the pre-fishing abundance of the population in the season of 996 000 fish. However, this is ...
Meeting Document : WG-FSA-96/39 : Auteur(s): de la Mare, W., Williams, R.
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Beach debris surveys - Prince Edward Islands, 1993 to 1995
Abstract: Beach debris surveys conducted at the South African Prince Edward Islands are reported ... for the years 1993/1994 and 1994/1995, the latter period following the CCAMLR standard method for ... surveys of beached debris within the Convention area. Most non-wooden artefacts were plastic. Fishing ... floats and other fishing gear formed a variable proportion of the items surveyed. Artefacts that could be ...
Meeting Document : CCAMLR-XIV/BG/14 : Auteur(s): Delegation of South Africa
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Marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1994/95
Abstract: This report describes and quantifies the occurrence of marine debris and fishing gear ... associated with seabirds in the same way as in 1993/1994. In 1994/1995 there was a decrease in both the ... , the decrease is due at least in part to, first, fewer birds examined than last year as a consequence ... of the very low breeding numbers of mollymawks at Bird Island in 1994/1995 and, second, because the ...
Meeting Document : SC-CAMLR-XIV/BG/09 : Auteur(s): Delegation of the United Kingdom
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Setting management goals using information from predators
be set for higher trophic levels – such as marine mammals, birds and fish. It briefly explores the ... general characteristics of objectives for higher trophic levels within the context of ecosystem-based ... management, noting that the emphasis for managing the effects of human activities on higher trophic levels is ... biased towards fisheries-based approaches rather than approaches that take into account the maintenance ...
Meeting Document : WG-EMM-07/P7 : Auteur(s): A. Constable (Australia)
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Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001
Abstract: Estimates of bird catches by IUU fishing made using the new method presented by Agnew ... and Kirkwood last year (WG-FSA-02/4 & 5) are updated to take account of the comments of the ... working group. Last year we suggested that the Isabel data from 1997 were rather atypical of bird catch ... rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ...
Meeting Document : WG-FSA-03/56 : Auteur(s): D.J. Agnew (United Kingdom)
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Estimating penguin populations using image analysis of colour aerial photography
Abstract: Penguin populations are potentially sensitive indicators of change in the Antarctic and ... sub-Antarctic and are used extensively to monitor changes in the marine ecosystem. Aerial photographic ... surveys may provide the most robust method for estimating breeding population size, particularly for large ... carried out manually by counting individual birds on highly magnified prints. Here we present the results ...
Meeting Document : WG-EMM-02/34 Text : Auteur(s): P.N. Trathan (United Kingdom)
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CCAMLR’s next steps to stop IUU fishing
Abstract: Illegal, unreported and unregulated (IUU) fishing continues to be a problem in the ... Convention Area, undermining the intrinsic values of CCAMLR and of the Antarctic Treaty. In spite of the ... CCAMLR Members can take individually and collectively to eliminate IUU fishing in the CCAMLR Area. At ... for the effective implementation of those enhanced port State measures by developing countries. At the ...
Meeting Document : CCAMLR-XXX/BG/22 : Auteur(s): Submitted by ASOC