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Robisson P. (1992). Vocalizations in Aptenodytes penguins: application of the two-voice theory. Auk, 109(3), 654–658.
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Aristidi E., Agabi K., Fossat E., Azouit M., Martin F., Sadibekova T., Travouillon T., Vernin J. & Ziad A. (2005). Site testing in summer at Dome C, Antarctica. Astronomy & astrophysics, 444(2), 651–659.
Abstract: We present summer site testing results based on DIMM data obtained at Dome C, Antarctica. These data were collected on the bright star Canopus during two 3-months summer campaigns in 2003-2004 and 2004-2005. We performed continuous monitoring of the seeing and the isoplanatic angle in the visible. We found a median seeing of 0.54'' and a median isoplanatic angle of 6.8''. The seeing appears to have a deep minimum around 0.4'' almost every day in late afternoon.
Keywords: site testing
Programme: 908
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Raymond C.A. & Giret A. (1997). Southern Ocean Evolution: Introduction. Terra antarctica, 3(2), 650–652.
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Le Quéré C., Aumont O., Bousquet P., Ciais P., Francey R., Heimann M., Keeling R., Khesgi H., Peylin P., Piper S., Prentice C. & Rayner P. (2003). Two decades of ocean CO2 sink and variability. Tellus series b-chemical and physical meteorology, 55(2), 649–656.
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Cook, T.R., Leblanc, G. (2007). Why is wing-spreading behaviour absent in blue-eyed shags? Animal behaviour, 74, 649–652.
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Delmonte B., Petit J.R. & Maggi V. (2002). Glacial to Holocene implications of the new 27000-year dust record from the EPICA Dome C (East Antarctica) ice core. Climate dynamics, 18(8), 647–660.
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Pisanu B., Chapuis J.L., Durette Desset M.C. & Morand S. (2002). Epizootiology of syphacia obvelata from a domestic mouse population on the subantarctic Kerguelen Archipelago. J. Parasitol., 88(4), 645–649.
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Jouventin P. & Aubin T. (2000). Acoustic convergence between two nocturnal burrowing seabirds : Experiments with a penguin Eudyptula minor and a shearwater Puffinus tenuirostris. Ibis (Lond. 1859), 142(4), 645–656.
Abstract: The evolution of acoustic signals is influenced by environmental constraints. We studied two sympatric but unrelated seabirds: the Little Penguin Eudyptula minor and Short-tailed Shearwater Puffinus tenuirostris, to examine the degree to which similarities in their ecology had led to convergence in their calls. Both species nest in burrows in Southern Australia and, at night, are highly vocal and territorial. First, we analysed the physical characteristics of the territorial call. Secondly, we studied the transmission of calls through burrows and varying distances through vegetation. Thirdly, we used playback experiments of natural signals to demonstrate that the response disappears between 4-8 m, and of modified signals to understand the coding-decoding process linked to the territorial function of the call. The structure of the territorial calls of the two species clearly differs, but both species produce a succession of gaps in amplitude and frequency, and a high degree of redundancy. Our experiments show that, to decode the territorial message, birds pay attention only to parameters that are less degraded during propagation and ignore fine details of structure that are quickly degraded, even at relatively short distances (< 8 m). In both species, territorial information is mainly conveyed by the rhythmic succession of two sounds (syllables or subsyllables), birds paying attention to the FM structure of these successive sounds but not to the AM. This convergent coding is adaptive in that it reduces the possibility that the meaning may be distorted by interference from noise and acoustic screening.
Keywords: Nocturnal animal ; Sympatry ; Song ; Acoustic communication ; Syntax ; Frequency spectrum ; Sound propagation ; Burrow ; Territorial behavior ; Interspecific comparison ; South Australia ; Philip Island ; Australia ; Oceania ; Marine environment ; Sound production ; Aves ; Vertebrata
Programme: 109;354
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Sieminski A., Debayle, E. & Lévêque, J.J. (2003). Seismic evidence for deep low-velocity anomalies in the transition zone beneath west Antarctica. Earth Planet. Sci. Lett., 216, 645–661.
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Salamolard M. & Weimerskirch H. (1993). Relationship between foraging effort and energy requirement throughout the breeding season in the wandering albatross. (Vol. 7).
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