Search results
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CCAMLR measures regulating the tagging of Dissostichus species, metrics used to assess vessel tagging performance, the potential for some anomalous results, and general recommendations on tagging; a view from the hauling room
species) in exploratory fisheries carried out within the Convention Area are described. Following the ... first season of implementation we describe several circumstances which will cause anomalies in the tag ... overlap statistic used to monitor tagging performance. These relate to differences in the length ... distribution of Dissostichus species within the assessed management division (ASD) or changes in the tagging ...
Meeting Document : WG-FSA-11/50 : Author(s): J.M. Fenaughty (New Zealand) and J. Brown (United Kingdom)
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
. Chinstrap penguins foraged in two modes during chick-brooding period: daytime foraging chinstrap penguins ... foraged in the inshore region, while overnight foraging penguins foraged in the slope region. It was ... difficulty in perceiving prey at night. Antarctic fur seals foraged mostly in the slope/offshore region ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ...
Meeting Document : WG-EMM-97/28 : Author(s): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands
at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... supported twice as many non-breeding birds. Burrowing petrels comprised 96% of prey in skua middens at ... coverage in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ...
Meeting Document : WG-EMM-10/P03 : Author(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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REPORT ON ACTIVITIES OF THE SCIENTIFIC COMMITTEE ON ANTARCTIC RESEARCH (SCAR) 2007/08
reports on progress with the Evolution and Biodiversity in the Antarctic (EBA) programme, SCAR-MarBIN, the ... data portal continues to gather information on marine biodiversity in the Antarctic and the CPR Survey ... Hydrothermal Vents”, “Antarctic Fuel Spills” and “Prediction on Changes in the Physical and Biological ... Environment of the Antarctic”. The 10th SCAR International Biology Symposium will be held in Sapporo from 26 ...
Meeting Document : CCAMLR-XXVII/BG/42 : Author(s): SCAR Observer to CCAMLR (G. Hosie, Australia)
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The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
Soviet krill fishery off the Wilkes Land and Balleny Islands in 1988 and 1989 are described. The ... of their occurence is the highest in the whole East Indian and West Pacific Anrarctic. This seems to ... . Krill in fishable concentrations occur in the form of rather layers than aggregations however the ... fishes layers of krill. The TC/TFISHT-index in our case apparently. reflects seasonal and annual changes ...
Meeting Document : WG-KRILL-90/16 : Author(s): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline
of assessment of depredated biomass over a 11-year period (from 2003 to 2013), both accounting for spatial ... of depredated biomass over a 11-year period (from 2003 to 2013), both accounting for spatial variations ...
Meeting Document : WG-FSA-14/10 : Author(s): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)
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Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006
the incidental mortality of seabirds was reduced by approximately half each year. A multivariate analysis has ... of seabirds was reduced by approximately half each year. A multivariate analysis has revealed ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Author(s): Délégation française
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MANAGEMENT OF VMS INFORMATION BY THE SECRETARIAT CONCERNING CATCHES OF PATAGONIAN TOOTHFISH BEYOND THE CONVENTION AREA
, that VMS reports by vessels that capture toothfish be transmitted previously and in real time to the ... Contracting States voluntarily report the activities performed in waters beyond the jurisdiction of the ... Convention, the Secretariat should ensure that such information is being loaded into the CCAMLR data bases in ... to be carried out through a modification of Conservation Measure 10-04 (2007) in accordance with the ...
Meeting Document : CCAMLR-XXIX/46 : Author(s): Delegation of Chile
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Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2006, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-06/13 : Author(s): M. Naganobu and K. Kutsuwada (Japan)
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Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery
(Dissostichus mawsoni) fishery in Area 88 indicates that less-than-full precaution is being exercised in the ... of this species to climate-related factors; and 3) an increase in that sensitivity owing to the ... . not all at once. Based on information in the literature not available when the current CCAMLR Area 88 ... Antarctic toothfish management was formulated, we discuss why such a strategy is unlikely to result in a ...
Meeting Document : WG-FSA-09/07 : Author(s): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)