Résultats de la recherche
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REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009
assumed to be 3+. Very few juvenile fish were observed except in the south eastern sector of the South ... )) was 31,753 t with a lower 1-sided CI at 18,904 t. Catches of icefish across the region were dominated ... Georgia shelf. Icefish diet was dominated by the amphipod, Themisto gaudichaudii with very low levels of ...
Meeting Document : WG-FSA-09/09 : Auteur(s): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
, starting within or before December–January, and with the main part of the spawning occuring later than ... scale, Macrourus whitsoni and M. caml seem to be almost completely sympatric by depth and area, with ... increase in the proportion of M. whitsoni relative to M. caml caught on baited autolines with increasing ... areas. Most stomachs from both species everted on capture, so we augmented stomach contents data with ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Auteur(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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Foraging response of Antarctic fur seals to changes in the marine environment
contained in scats. In 1996, a year of high krill abundance, females made shorter foraging trips, fewer ... . In 1994 and 1995 deeper and longer-duration daytime dives were associated with a higher proportion of ... fish and squid in the diet. Foraging trip duration, ashore duration and dive frequency increased ... gazella at Bird Island, South Georgia (54° S, 38° W), during 3 austral summers (1994 to 1996). Time-depth ...
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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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
has been conducted with a research plan submitted under CM 24-01 since 2008 by Japan. France joined ... the research objectives. The survey design has been amended to avoid sea pen hotspots in the eastern ... depredation and IUU were tested to account for uncertainties associated with these processes in the model. In ... and WG-FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially ...
Meeting Document : WG-SAM-2019/08 : Auteur(s): Delegations of Japan and France
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Peculiarities of Euphausia superba size composition in Statistical Subarea 48.2 (South Orkney Islands)
maxima, than in the norhtern part of the region. These featurese are concerned mainly to E.superba with ... only in the southern part of the region, but also in eastern and especially to its north-east parts. In ... survevs, which were carried out during the same year shows definite closing to one another of modal groups ... with size less 48 mm. Resulting picture reflects well known phenomenon of separate distribution of ...
Meeting Document : WG-KRILL-91/11 : Auteur(s): V.I. Latogursky and R.R. Makarov (USSR)
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Survey estimates of recruitment of toothfish in Subarea 48.3
consistently determined from the survey data. The expected reduction in cohort density with time at a log-scale ... data used by the Working Group for toothfish assessments in 1999 and later were correct. We found ... procedures and 6 strata (3 depth strata each at Shag Rocks and South Georgia). It is easy to spot, visually ...
Meeting Document : WG-FSA-SAM-04/16 : Auteur(s): Collins, M., Wakeford, R.C., Moir-Clark, J., Belchier, M., Agnew, D.J.
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BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007
Abstract: During the seventeenth year of standardised beach surveys of man-made debris at Bird ... previous years: 73% during summer (265 items) and 27% during winter (100 items). After three consecutive ... years in which no fisheries related debris was observed, one nylon fishing line and one snood were found ...
Meeting Document : WG-FSA-08/24 : Auteur(s): F. Le Bouard (UK)
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Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
foraging trip such as Antarctic fur seals (Arctocephalus gazella) and overnight foraging chinstrap penguins ... the slope/offshore region was less abundant with krill and more remote from their breeding sites than ... slope/offshore region; (3) Myctophid fish occurred near surface at night in the slope/offshore region ...
Meeting Document : WG-EMM-96/49 : Auteur(s): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.
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Oceanic debris observations in the southern ocean whale sanctuary, from Antarctic Peninsula to the Ross Sea: December 1994 to March 1995
Abstract: Observations of natural and man-made floating megalitter, macrolitter and mesolitter in ... . Man-made megalitter was nowhere common, but was seen mostly near and to the west of the Antarctic ... styrofoam fragments. Fishing gear was not a major component of man-made debris. Macrolitter consisted mainly ... granules were concentrated near the Antarctic Convergence south of the Tasman Sea. Man-made mesolitter was ...
Meeting Document : SC-CAMLR-XVI/BG/29 : Auteur(s): ASOC Observer
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Unusual breeding by seabirds at Marion Island during 1997/98
chicks of rockhopper penguins fledged with a slightly heavier mass than in other years. However, for both ... recorded, and more southern giant petrels M. giganteus did so than in any other year since 1994. For ... southern giant petrels, reproductive success was higher than in any other year, as was survival of chicks ... species with an intermediate foraging range that eat mainly crustaceans, macaroni Eudyptes chrysolophus ...
Meeting Document : WG-EMM-03/13 : Auteur(s): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)