Résultats de la recherche
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A conceptual model of Japanese krill fishery
Abstract: The behaviour patterns of Japanese krill fishery vessels in Area 48 were analysed using ... questionnaires on the reasons why the vessel changed their fishing grounds, which were sent out to of the ... Japanese fishing vessel since the 1989/90 fishing season. Among many reasons for changing fishing grounds ... , krill density, krill, size, ice condition, transshipment, and salp-by catch accounted for 95.6% of the ...
Meeting Document : WG-EMM-05/30 : Auteur(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2003/04
Abstract: The results of the eighth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2003/2004 summer season. There were no sightings of ... undertaken at Bird Island, South Georgia in 2003/04. In the case of Bird Island, data indicated that the ... number of entangled fur seals had decreased by 31% compared to the previous year, this being the lowest ...
Meeting Document : SC-CAMLR-XXIII/BG/12 : Auteur(s): Delegation of the United Kingdom
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Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2001/02
Abstract: The results of the sixth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2001/2002 summer season. There was a single sighting of ... that the number of entangled fur seals had increased by 118% compared to the previous year, this being ... the highest number recorded at Bird island since1992/93. With the presence of the entangled seal at ...
Meeting Document : SC-CAMLR-XXI/BG/06 : Auteur(s): Delegation of the United Kingdom
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PECHEKER-SIMPA – A tool for fisheries management and ecosystem modeling
, readily available and easily accessible. The development of a specific database for the Kerguelen Plateau ... from the French Sub-Antarctic Territories. The use of reference tables and standardized computer ... language procedure open the data to exchange links with other databases like the Global Biodiversity ... Information System Facility (GBIF) and FishBase. The data already integrated into SIMPA provide ...
Meeting Document : WS-MPA-11/P02 : Auteur(s): P. Pruvost, A. Martin, G. Denys and R. Causse
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Summary of monitoring and research activities at Svarthamaren, Dronning Maud Land
Svarthamaren, Dronning Maud Land from five field seasons between 1991/92 and 1996/97 is presented. The results ... of the population monitoring show that the number of pairs with chick or egg varied between 55,387 ... -178,240 (mean 119,000). Assuming that about 10 % of the colony is situated in inaccessible parts outside ... the area covered by the monitoring system the mean number of pairs producing a chick each year is ...
Meeting Document : WG-EMM-97/78 : Auteur(s): Lorentsen, S., Tveraa, T., Røv, N.
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Entanglement of Antarctic fur seals in man-made debris at Bird Island, South Georgia
Abstract: The incidence of entanglement of Antarctic fur seals (Arctocephalus gazella) in Man ... -made debris at Bird Island, South Georgia, was monitored throughout the austral winter and summer of ... 1991 as part of an on-going study by the British Antarctic Survey. Only seven seals were observed ... entangled during the winter months (April- October) while 48 were sighted during the pup-rearing period ...
Meeting Document : SC-CAMLR-XI/BG/09 : Auteur(s): Delegation of United Kingdom
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Proposition d'amélioration et de clarification du système de documentation des captures de la CCAMLR
Abstract: To prevent the entry of illegal, unreported and unregulated (IUU) toothfish ... (Dissostichus spp.) into commerce, CCAMLR’s catch documentation scheme tracks shipments from the point of ... harvest through final import for consumption. The move, in 2010, to a fully electronic Catch ... Documentation Scheme (e-CDS) has improved the tracking of toothfish moving in trade and decreased the potential ...
Meeting Document : CCAMLR-XXXI/38 : Auteur(s): Delegation of the USA
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Development of an algorithm designed to assess observer data quality and performance
Abstract: As part of the Secretariat task to ensure the quality and consistency of the data ... arising from the CCAMLR SISO, an algorithm was designed to automatically import and check data entered by ... observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... fishery logbooks. In its current version the algorithm is able to detect and report invalid data formats ...
Meeting Document : WG-SAM-13/40 : Auteur(s): Secretariat
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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
Abstract: The stock of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated from ... tagging returns to be 982 tonnes in 2018. Applying the CCAMLR agreed precautionary assumption of average ... biomass across the time series and harvest rate of γ = 0.038, implies a 2018/19 yield of 37 tonnes ... , unchanged from the 2017/18 catch limit. Historically, a precautionary approach has been applied in treating ...
Meeting Document : WG-FSA-18/26 : Auteur(s): T. Earl and A. Riley
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Detection of predator dive patterns from stationary echosounder data
Abstract: Standard protocols for processing of echosounder data are geared towards the estimation ... of biomass indices of pelagic organisms. More transient visitors to the watercolumn however also give ... echoes, and the data provided by the echosounders may be used to assess the behaviour of these organisms ... , as well as their interactions with the pelagic residents. Using freely available software and neural ...
Meeting Document : WG-EMM-2019/34 : Auteur(s): T. Klevjer and G. Skaret