Résultats de la recherche
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The Ross Sea cephalopod community: insights from stable isotope analysis
identified as having relatively high importance in the food-web of the Ross Sea. However, information on the ... trophic ecology of the cephalopod assemblage of the Ross Sea region is poor. Stable isotope signatures of ... taxa sampled from the Ross Sea region. Samples were acquired through scientific trawls and from ... stomachs of Antarctic toothfish Dissostichus mawsoni returned from the longline fishery. Most octopods were ...
Meeting Document : WG-EMM-12/55 : Auteur(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)
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Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
timings and to validate annulus formation. Although in the literature it has been reported that N. rossii ... in the South Shetland Islands hatches in spring, our daily ring back counting in otoliths from the ... between February and March and another in winter between July and August. The maximum and minimum ages ... estimated for the pelagic blue phase and demersal brown phase fingerlings were respectively 227 and 240 days ...
Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016
Abstract: SCAR is an interdisciplinary body of the International Council for Science (ICSU), and ... , and to promote scientific knowledge, understanding and education on any aspect of the Antarctic region ... and its role in the Earth System. SCAR also provides independent and objective scientific advice and ... information to the Antarctic Treaty System and other bodies and facilitates the international exchange of ...
Meeting Document : SC-CAMLR-XXXV/BG/26 : Auteur(s): Submitted by SCAR
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Marine Ecosystem Assessment for the Southern Ocean (MEASO)
Abstract: A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ... happening now and into the future, and what may need to be planned for, in terms of research and management ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ...
Meeting Document : SC-CAMLR-XXXVII/BG/22 : Auteur(s): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier
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Using the EPOC modelling framework to assess management procedures for Antarctic krill in Statistical Area 48: evaluating spatial differences in productivity of Antarctic krill
Abstract: Spatially explicit simulation models of the Antarctic marine ecosystem are needed to ... evaluate management procedures for the Antarctic krill fishery. The key issues to be resolved in the ... development of a harvest strategy are whether (i) spatial differences in the productivity of krill give rise ... , particularly as the fishery expands to take the large-scale catch limit. A fourth issue is to determine whether ...
Meeting Document : WG-EMM-06/38 Rev. 1 : Auteur(s): A.J. Constable (Australia)
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... observed in the 4.9 m2 field of view exceeding 50 within 200 minutes on three occasions. Current speed was ...
Meeting Document : WG-FSA-03/77 : Auteur(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... observed in the 4.9 m2 field of view exceeding 50 within 200 minutes on three occasions. Current speed was ...
Meeting Document : WG-FSA-03/77 Text : Auteur(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of population in subarea of the South Georgia
were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... class. These year classes appeared against a background of the intensive icefish fishery, and krill ...
Meeting Document : WG-FSA-SAM 03/7 : Auteur(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Foraging response of Antarctic fur seals to changes in the marine environment
Abstract: This study examined the relative contribution of environmental variation and the ... seasonal demands of pup rearing on the foraging behaviour of female Antarctic fur seals Arctocephalus ... recorders measured the diving behaviour of 72 individuals during a total of 385 foraging trips totalling ... 1964 d at sea. The frequencies of krill, fish and squid in the diet were estimated from prey items ...
Meeting Document : WG-EMM-99/35 : Auteur(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
Abstract: 1. The bycatch TAC of 12 tonnes of macrourids was reached in 2008/09 triggering the ... early closure of the fishery with only 58.9 t of the 75 t TAC of D. eleginoides taken; 2. The target ... in 2008/09, slightly under the target of 375 for the full 75 tonnes of catch; 3. There were 29 D ... . eleginoides tag returns in 2008/09, bringing the total from all seasons up to 54 tag recaptures; 4. A total of ...
Meeting Document : WG-FSA-09/17 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)