Résultats de la recherche
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Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Seljevær, Norway
Abstract: A multi-year, multi-member research program was established to map and sample the ... . The vessel had a technical failure with the echosounder and bathymetry data are of low quality. The ... vessel set 5 longline sets with all vessel operations conforming to the required research criteria. A ... Norwegian fishing vessel FV Seljevær surveyed SSMRU 88.2 A, research block 3, defined in the multi-Member ...
Meeting Document : WG-SAM-15/42 : Auteur(s): Delegation of Norway
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Multiyear changes in distribution and abundance of Salpa thompsoni in the Western Antarctic Peninsula region
characterized by a circumpolar distribution and its appearance is clearly associated with the occurrence of the ... analyses, coupled with environmental data, obtained both during sampling and from satellite data, allowed ... to prove that the distribution of salps was significantly correlated with water temperature and ... suggest that with climatic changes, such as temperature increase and reduction of sea-ice cover, the ...
Meeting Document : WG-EMM-16/75 : Auteur(s): A. Panasiuk, A. Słomska, J. Wawrzynek, M. Konik and A. Weydmann
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
between the 27th January and 6th February 2011. 87 random hauls were completed, with good coverage across ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ... tonnes. Euphausiidae was the dominant prey item in the mackerel icefish diet with increased dietary ... Patagonian toothfish were greater than in 2009 and 2010, with a large haul of 40-45cm fish (1.6t) around Shag ...
Meeting Document : WG-FSA-11/29 : Auteur(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
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Oceanography of the South Georgia and South Orkney Islands regions using high-resolution models
the results of preliminary analyses. The models are regional applications of NEMO with a ~3 km ... productive, supporting large colonies of higher predators, and with a history of commercial exploitation ... tides, atmospheric forcing from reanalysis, glacial melt, and with sea ice processes incorporated using ... LIM3. The models have been used to generate 20-year hindcast time series of oceanographic flows and ...
Meeting Document : WG-EMM-17/30 : Auteur(s): E. Young, E. Murphy and P. Trathan
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand in 2018/19
distribution with modes near 70 cm and 150–160cm. Proportions for female maturity stages 1, 2, and 3 were ... similar in research blocks 883_1, 883_3 and 883_4 with the range of 0.1110–0.1571, but much lower in ... research block 883_5, 883_P8, 883_P9 with the range of 0–0.0185. Tagging rate and tag overlap in Subarea ... were observed with stage 1 and 2. Otolith, stomach contents, gonad, fin and muscle samples were ...
Meeting Document : WG-SAM-2019/11 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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Advances in the use of airborne aerial survey techniques to estimate krill-eating penguin populations in Area 48
Abstract: In this paper we provide WG-EMM with an update on aerial survey methods used to provide ... over the coming years and we will provide similar updates at regular intervals. Author(s): P.N.Trathan ...
Meeting Document : WG-EMM-14/05 : Auteur(s): P.N.Trathan, A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom)
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The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
(5.2 – 6.7%). For example, with a 10 year monitoring program it is possible to detect fixed increases ... or decreases larger than 2% each year with more than 80% power. Increasing the duration of the ... another and it has major ramifications on power estimates. Increasing the variability associated with ... results based on occupied nest counts with increasing levels of temporal variability (% CV) are applicable ...
Meeting Document : WG-EMM-03/49 : Auteur(s): L.M. Emmerson and C. Southwell (Australia)
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Proposition de gestion du matériel de référence scientifique pour étayer les discussions en cours au sein de la Commission
agreed to place MPA planning reference documents on the CCAMLR web site with Members Only access, but the ... ongoing discussions over many years. Much reference material arising from Working Group discussions is ... Members and needed for ongoing discussions over many years. In both cases, there is currently no suitable ...
Meeting Document : SC-CAMLR-XXXIV/01 : Auteur(s): Delegation of Australia
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Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
shooter alone. Longlines set with the line shooter reached 3 m depth 15% faster then lines set without the ... baits to fulmars and the catch rates of fish target species among lines set with either of these ... was caught when the bird-scaring line was used in combination with the line shooter. In contrast, 32 ... fulmars were caught in sets with no mitigation device and thirteen in sets with the line shooter alone ...
Meeting Document : WG-FSA-01/78 : Auteur(s): S. Løkkeborg (Norway) and G. Robertson (Australia)
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To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
toothfish with silverfish and other prey shows that toothfish represent a high-energy food resource of much ... killer whales with toothfish in their mouths in McMurdo Sound have declined since 2000, consistent with ... killer whales in the Ross Sea can routinely dive to 200-400 m, with a maximum of >700m. This is deep ... higher quality than other potential prey in the Ross Sea region; (3) densities of other alternative ...
Meeting Document : WG-EMM-13/29 : Auteur(s): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)