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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DRAFT SOFTWARE USER GUIDE FOR: ICESCAPE: INTEGRATING COUNT EFFORT BY SEASONALLY CORRECTING ANIMAL POPULATION ESTIMATES
in the R language for statistical computing (R Development Core Team 2008), aims to adjust raw count ... data for availability and perception bias, and account for sampling fractions less than unity, in order ... conditions. In Antarctica, adjustment for availability is particularly important, because difficulties in ... accessing breeding sites often lead to counts of land-breeding predators being taken at suboptimal times in ...
Meeting Document : WG-SAM-09/16 : Author(s): J. McKinlay, C. Southwell and R. Trebilco (Australia)
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UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
Abstract: Photographs of skates taken by observers on New Zealand toothfish longliners in the ... examined in the laboratory. There was no significant difference between the median length at maturity for ... of these were returned in good condition and were considered likely to survive. Estimates of the ... proportion released in good condition are in the range 50–80%, depending on assumptions about whether skates ...
Meeting Document : WG-FSA-08/20 : Author(s): M.P. Francis and S. Mormede (New Zealand)
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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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System of Inspection
To ensure vessels fishing in the Convention Area comply with conservation measures, CCAMLR ... implements a System of Inspection. CCAMLR’s System of Inspection was established in 1989 to support the ... inspections In accordance with Conservation Measure 10-03 Contracting Parties are required to inspect all ... carrying other Antarctic species harvested in the Convention Area. Inspections are undertaken to ensure ...
Page : Site Section: Compliance
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Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
Abstract: The current CCAMLR protocol specifies daytime acoustic sampling in order to avoid ... issues of diel changes in acoustic scattering strengths. However, due to logistic constraints, acoustic ... a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ... the South Orkney Islands since 2014, and in this report some of these data have been analysed in order ...
Meeting Document : WG-EMM-2019/32 : Author(s): T. Klevjer, G. Skaret and B.A. Krafft
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REPORT OF SANCTIONS APPLIED BY SPAIN
the action taken by Spanish Authorities in relation to the vessels Trosky (formerly Paloma V), Chilbo ... San 33 and Corvus, included in the CCAMLR-IUU list. 1. With regard to the vessels Corvus and Chilbo ... San 33, neither of them flagged to Spain – which were included in the CCAMLR list of illegal vessels ... did not provide proof or evidence in support of this action. However, as a result of the inspection of ...
Meeting Document : CCAMLR-XXIX/BG/37 : Author(s): Delegation of Spain
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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)