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Oiled penguins observed at Bird Island, South Georgia, 1992/1993
in July and August 1993. Because gentoo penguins feed very close inshore in winter they must have ...
Meeting Document : SC-CAMLR-XII/BG/15 : Автор(ы): Delegation of United Kingdom
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Annual report of research fishing operations at Subarea 48.6 in the 2018/19 fishing season
Africa. The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the 7th August ...
Meeting Document : WG-FSA-2019/22 : Автор(ы): Delegations of Japan, Spain and South Africa
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
algorithms that were obtained by processing data on Russian R/V ATLANTIDA surveying in 48.4 Subarea according ... to CCAMLR 2000 Krill Survey. It has been demonstrated that application of different methods to krill ... krill species identification, one may suggest that other improvements for recent twenty years could also ... have a considerable influence on biomass estimates obtained. Therefore. it is expected that the ...
Meeting Document : WG-EMM-01/41 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)
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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2) for 2016
April, with the completion of 163 stations. The survey was conducted for the second year on the FV Atlas ... survey, but with a new set of randomly selected station points. The calculated density of D. eleginoides ... was half that of 2015 but similar to that of the long-term average for the survey. The C. gunnari ... density was five times that of 2015 and nearly three times the average. For the managed bycatch species ...
Meeting Document : WG-FSA-16/23 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford
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Preliminary results of investigations into the stock structure of Patagonian toothfish (Dissostichus eleginoides) around Macquarie Island
miles apart near Macquarie Island. Five DNA microsatellite loci were identified that showed polymorphism ... levels appropriate for population structure analysis, and two of these gave results that suggest samples ... genetic analyses that interchange of fish between the two sites is very low. Of 469 recaptures at both ... performed on small numbers of fish and loci these results must be regarded as preliminary, but if confirmed ...
Meeting Document : WG-FSA-98/39 : Автор(ы): A. Reilly, B. Ward and R. Williams (Australia)
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Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
identify 14 breeding colonies that contribute most significantly to uncertainty regarding the total number ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ... at these sites should be considered top priority for future field work in the region. Our results are ... based on a robust quantitative method for assessing data priorities in estimating krill consumption that ...
Meeting Document : WG-EMM-12/P02 : Автор(ы): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
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Finfish research proposals for Subarea 48.6 by Koryo Maru 11 for 2012/13 (this is a revision of WG-SAM-12/12)
draws on the results presented by OLRAC-SPS (2012) and addresses knowledge gaps highlighted by that ... analysis. The preliminary assessment indicates that the historic precautionary maximum catch limit of 200 ... that the historic precautionary maximum catch limit of 200 tonnes of Dissostichus spp. for Subarea 48.6 ... south of 60°S may be sustainable. Therefore the historic maximum catch limits are assumed for this ...
Meeting Document : WG-FSA-12/30 : Автор(ы): C. Heiniken and R. Ball (South Africa)
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Estimating uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks
differences in Antarctic toothfish biomass estimates using the two different methods suggests that the ... underlying assumptions currently made in one or both of the methods are likely to be invalid. We recommend ... that Working Group consider reviewing assumptions in the CPUE-by-seabed area and the Chapman biomass ... estimation methods at the Research Block scale and prioritise resolving issues in Research Blocks that show ...
Meeting Document : WG-SAM-17/12 : Автор(ы): L. Robinson, P. Burch and K. Reid
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Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators
annual catches and frequent switches to exploit new target species. It is likely, therefore, that ... exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... be estimated but it may be relatively small unless they primarily consume post-spawning, moribund ... squid. At least for the albatrosses and southern elephant seal this does not appear to be the case ...
Meeting Document : SC-CAMLR-IX/BG/13 : Автор(ы): Delegation of United Kingdom
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THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA
genera. It can be concluded that D. mawsoni is a generalized piscivorous predator that feeds primarily in ... southwestern Ross Sea indicates that fishes, especially Pleuragramma antarcticum, and mysids dominate the diet ... 88.1 that reflects the abundance of various species of prey fish within the shelf, slope and oceanic ...
Meeting Document : WG-EMM-09/16 : Автор(ы): J.T. Eastman and A.L. DeVries (USA)
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