Search results
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Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals
seals at South Georgia during the perinatal period (n= 19) and subsequently during early (n=11), mid ... (n=11), and late (n=8) foraging trip intervals, and demonstrate its use in detecting shifts in prey ... secreted during foraging trip intervals are derived primarily from immediate dietary intake during ... ) was correctly distinguished from early and mid attendance (1/22 missclassification rate). Our results confirm ...
Meeting Document : WG-EMM-97/14 : Author(s): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
% were taken between early February and the middle of March. Champsocephalus gunnari and Lepidonotothen ... % were taken between early February and the middle of March. Champsocephalus gunnari and Lepidonotothen ...
Meeting Document : WG-EMM-95/28 : Author(s): Arnould, J.P.Y., Reid, K.
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How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?
during early winter, but all adults could feed on similar food items during middle to late winter ... throughout winter. Carbon isotope signatures revealed reduced food sources for the larger adults during early ... winter, but all adults could feed on similar food items during middle to late winter. The trophic niche ...
Meeting Document : WG-EMM-2019/P04 : Author(s): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
) at Seal Island were conducted to identify and evaluate their foraging areas during early January 1990/91 ... , in the inshore foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of nongravid krill ... were conducted to identify and evaluate their foraging areas during early January 1990/91. Penguin ... foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of nongravid krill, were ...
Meeting Document : WG-KRILL-92/27 : Author(s): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
superba. Locations of penguins on foraging trips were compared with historical records of fine-scale krill ... of penguins on foraging trips were compared with historical records of fine-scale krill catch data ... Dipartimento di Biologia Ambientale, Universita di Siena via della Cerchia 3,53100 Siena, Italy D. Rodary ... to the continental shelf and returned with krill, Etlplzausza superba. Locations of penguins on foraging trips were ... , the numbers of trips and the years over which tracking took place are provided in Table 1. Trivelpiece et ... tracking Adelie penguins on plotted in Figure 2 for the Mawson and Davis foraging trips by satellite ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Author(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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SC-CAMLR-SSP/8
.............. .......... .... ............ ..... ... ....... .... 225 PROSPECCIONES A PEQUENA ESCALA DEL KRILL: SIMULACIONES BASADAS EN DIS1RIBUCIONES CONOCIDAS DE ... .%), myctophids (Electrona sp., Gymnoscopelus sp.) (1.8%), early life stages of fish (C. gunnari primarily age ... prevailing in parts of the northwestern shelf, in the southeast and on coastal stations in the east ...
Document : Site Section: Publications
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The use of CCAMLR Statistical Subareas 88.1 and 88.2 and Division 58.4.1 by Macquarie Island giant petrels
88.1, extensively utilising these regions during long foraging trips to the ice-edge zone during ... not enter CCAMLR waters, one bird undertook a longer trip into division 58.4.1, where it spent 6% of its ... overall time at sea. We consider it possible that this trip may have been indicative of trips undertaken ... the Pacific Ocean, travelling east towards the South American Continental Shelf. Southern giant petrel chicks ...
Meeting Document : WG-FSA-06/49 : Author(s): R. Trebilco, R. Gales, B. Baker and A. Terauds (Australia)
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
location and timing of spawning and the probable early life-history characteristics of toothfish, the drift ... and east of the Ross Sea. The spawning appears to take place during the austral winter and spring ... and shelf to the east of the Ross Sea in Subarea 88.2. As the juveniles grow in size, they move west back ... and the probable early life-history characteristics of toothfish, the drift of eggs and larvae over a 6–24 ... to the north of the Ross Sea (SSRU 881C), whilst the fifth was recaptured a dis- tance of 2 300 km ... region are reviewed. Based on the presumed location and timing of spawning and the probable early life ... on the ridges and banks of the Pacific-Antarctic ridge to the north and east of the Ross Sea. The spawning ... with the eastern Ross Sea gyre, settling out along the continental slope and shelf to the east of the Ross Sea ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Author(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Scientific Abstracts 1992
and/or the development state of mature females during early summer. The overall distributional patterns during each year ... the Australian SIBEX-II data. The Australian SIBEX-II estimate falls in the middle of the range of densities ... had been lower than expected until early February 1991. As for maturity stages of krill, spawning ... to identify and evaluate their foraging areas during early January 1990/91. Penguin foraging areas were found ...
Document : Site Section: Publications
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e-sc-xviii-a4.pdf
... searching for krill in Subarea 48.1 in early May 1999 was presented in WG-EMM-99/54. Observations were made ... to autumn and winter so as to avoid catching early-season green krill (low value), increase their catch ... , with a mean size of 50.7 mm in the east and 52.9 mm in the west. 3.3 Based on recent trends, low krill ... , foraging trip duration and chick fledging weights were all average to good. This re-affirmed the findings ... in Subarea 48.1 in early May 1999 was presented in WG-EMM-99/54. Observations were made up to 24 n ... , Japanese trawlers had extended their fishing season to autumn and winter so as to avoid catching early ... mean size of 50.7 mm in the east and 52.9 mm in the west. 3.3 Based on recent trends, low krill
application/pdf attached to:WG-EMM-99Meeting Report : WG-EMM-99