Résultats de la recherche
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Dietary segregation of krill-eating South Georgia seabirds
period in 1986. For five species, Antarctic krill Euphausia superba was the main food (39-98% by mass ... ranges. selectivity by predators, or differences in escape responses of krill. For the krill-eating ... , ecological segregation between krill-eating species appears to be maintained chiefly by differences in ...
Meeting Document : WG-EMM-97/15 : Auteur(s): Prince, P.A., Croxall, J.P., Reid, K.
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Krill biomass and distribution in Subarea 48.2 during summer 1996
characterized by relatively high accurancy (CV = 4.1 %). However, this estimate is likely to be biased towards ... underestimation which is explained by systematic error caused by krill abundance underestimation during night ...
Meeting Document : WG-EMM-97/49 : Auteur(s): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.
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Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97
predation by Sub-Antarctic Skuas Catharacta antarctica on unattended chicks, but in another colony success ... hatching 6 and 18 January respectively. The mean period for which chicks were permanently attended by ... was the diet of chick-rearing adults- dominated by euphasiids, especially krill Euphausia superba ...
Meeting Document : WG-EMM-97/56 : Auteur(s): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.
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Penguin foraging behavior in relation to the distribution of prey
result from diel changes in the methods used by penguins to locate and capture prey. Our results suggest ... determined by the intensity of predation pressure by predators which feed in the upper portion of the water ... Islands, Antarctica between January 19 and March 10 1992. Krill was found to show a distinct diel ... and deeper during the day. Penguin foraging effort was found to be concentrated around noon and ...
Meeting Document : WG-KRILL-93/47 : Auteur(s): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K. Jansen (USA)
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An assessment of the impact of krill fishery on penguins in the South Shetlands
information on fishery, penguins and krill biomass. The catch is very low in December followed by roughly ... intensity to the shelf and slope of Livingston or Elephant Island. In contrast, the food consumption by ... -20 day), the present catch rate (≤10 x103t/10-day) is smaller by one or more orders of magnitude ...
Meeting Document : WG-KRILL-93/07 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
biological data sampled by a Japanese commercial fishing vessel during austral summer from 2006/07 to 2008/09 ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ...
Meeting Document : WG-FSA-10/47 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
biological data sampled by a Japanese commercial fishing vessel during austral summer from 2006/07 to 2008/09 ... mainly caught in the deeper slope >1500 m. The separation of the two species by depths may be related ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ...
Meeting Document : WG-SAM-10/16 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Système de documentation des captures (SDC)
sustainability of target species, on species taken incidentally as by-catch and on the marine ecosystems. CCAMLR ... toothfish landed and traded by participating States. The CDS requires participating States to identify the ... CCAMLR conservation measures. The CDS is supported by the electronic CDS (e-CDS) that is a user-friendly ...
Page : Site Section: Compliance
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Population structure and connectivity of an important pelagic forage fish in the antarctic ecosystem, Pleuragramma antarcticum, in relation to large scale circulation
of biological material in marine systems. Large-scale transport by the Antarctic Circumpolar Current ... populations. Hypotheses were tested by measuring the chemistry, trace elements and stable isotopes, in ... transported by the ACC, shelf processes on the West Antarctic Peninsula (WAP), or along the Weddell Front ...
Meeting Document : WG-FSA-12/23 : Auteur(s): J.W. Ferguson (USA)
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Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability
Abstract: Somatic growth of pelagic invertebrates is controlled by temperature and food, both of ... and primary production. Stations within the surveys were grouped by water mass (warm Antarctic ... impacted negatively by climate warming. Author(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA ...
Meeting Document : WG-EMM-13/39 : Auteur(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)