Résultats de la recherche
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Perfluorinated compounds in muscle tissues of Antarctic toothfish in Division 58.4.1 and 58.4.2 of Antarctic Sea
Antarctic toothfish (n=113), and investigated accumulation patterns of PFCs in female and male muscles. The ... ng/g ww of median concentration. The main compounds among PFCs were perfluoro-n-hexanoic acid and ... and female. The levels of PFCs in the present study are comparable to those reported in 31 fish ... species from Korean coastal waters (0.27-4.81 ng/g ww). The concentrations of Perfluoro-1-octanesulfonate ...
Meeting Document : WG-FSA-16/07 : Auteur(s): Delegation of the Republic of Korea
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Benchmarking CCAMLR
cohesive structure and apportioning of their work schedules. The discussions to be held at the 2016 ... the opportunity to develop a CCAMLR stock assessment and advice benchmarking process. The need for ... (paragraph 10.4). However, due to time constraints in 2014 the circle was not completed and the advice from ... WG-SAM and WG FSA has not been reviewed by Scientific Committee. Author(s): Delegation of the United ...
Meeting Document : SC-CAMLR-XXXV/BG/31 : Auteur(s): Delegation of the United Kingdom
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Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) (2013-14 season) from Division 58.4.1 by Spain
Abstract: We present preliminary results on age and growth of Dissostichus mawsoni for the second ... season (2013/14) of the Spanish research fishing in the 58.4.1 Division obtained for growth rings on ... otolith readings. It is included the age-length key and growth parameters estimates by sex. Growth ... results are very similar to those reported previously for the first season (2012/13) although they differ ...
Meeting Document : WG-FSA-16/58 : Auteur(s): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro
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Foraging dynamics of macaroni penguins (Eudyptes chrysolophus) at South Georgia during brood-guard
determine how they ranged from their colonies during the early part of their breeding season at a time when ... they are constrained to return to their chick on a near-daily basis. The principal objectives of this ... , whether animals range evenly over the available area. Results show that animals did not range evenly, that ... waters influenced by major oceanographic features such as the southern Antarctic Circumpolar Current ...
Meeting Document : WG-EMM-06/P4 : Auteur(s): P.N. Trathan, C. Green, J. Tanton, H. Peat, J. Poncet and A. Morton (United Kingdom)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
was dominated by krill, Euphausia superba and by the amphipod Themisto gaudichaudii. Smaller (younger ... -2004) the proportion of krill in the diet, stomach fullness and fish condition (indicated by length ... -weight relationships) were significantly lower than in the other summer seasons. The poor krill season ... was followed by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the ...
Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia
interactions occured during hauling operations, both during the day and at night. Killer whales (Orcinus orca ... operations and may have been removing fish captured on the lines. Numbers of sperm whales varied with ... location; some whales with identifying masks were observed over successive lines to the south-west of South ... Georgia, but were not seen on subsequent operations to the north-west of the island. On two occasions ...
Meeting Document : WG-IMALF-94/16 : Auteur(s): J.R. Ashford (United Kingdom) and P.S. Rubilar (Chile)
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
Abstract: 1. We examine the spatial distributions of pelagic seabirds and. fur seals near South ... Georgia, and asked to what extent the distributions of these predators were influenced by the spatial ... is an explicit consideration of the separation in space between swarms of krill and aggregations of ... survey of the waters surrounding Bird Island, South. Georgia. Predator abundance was estimated visually ...
Meeting Document : WG-CEMP-93/13 : Auteur(s): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... target stock. WG-FSA-16/29 outlined the first multi-member toothfish exploratory fishery research plan ... , including research objectives, methods and milestones. Within this plan, milestones 1.5 and 2.1 involve the ... reports on the development of generalised additive mixed models to characterise relationships between ...
Meeting Document : WG-FSA-17/16 : Auteur(s): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
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PROPOSED AMENDMENTS TO CONSERVATION MEASURE 51-01 (2008) PRECAUTIONARY CATCH LIMITATIONS ON EUPHAUSIA SUPERBA IN STATISTICAL SUBAREAS 48.1, 48.2, 48.3 AND 48.4
Abstract: Due to current uncertainties in the status of Antarctic krill biomass stock, which do ... not allow scientists to provide a work on forecast of the ecosystem changes and provide the management ... advice on SSMU catch limit allocation subdivision, that has been mentioned at the WG on Ecosystem ... Monitoring and Management Meeting, Bergen 2009, it is proposed to consider the changes to Conservation ...
Meeting Document : CCAMLR-XXVIII/48 : Auteur(s): Delegation of Ukraine
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Discrimination Between Larval and Juvenile Specimens of Euphausia superba from Gut Contents
Abstract: Based on the change in the allometric relations between the antennular spine and body ... length in the passage from Furcilia VI to juvenile in Euphausia superba lineal discriminant functions ... resulted highly correlated (R=0.95); allowing the use of the method when body length is not available ...
Meeting Document : WG-CEMP-89/17 : Auteur(s): E. Marschoff and M. Ravaglia (Argentina)