| Records |
| Author |
Rémy F. & Parrenin F. |
| Title |
Snow accumulation variability and random walk: How to interpret changes in surface elevation in Antarctica? |
Type |
Journal Article |
| Year |
2004 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
Volume  |
227 |
Issue |
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Pages |
273-280 |
| Keywords |
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| Abstract |
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| Programme |
960 |
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Edition |
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| ISSN |
0012-821X |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
2995 |
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| Author |
Monnin E., Steig E.J., Siegenthaler U., Kawamura K., Schwander J., Stauffer B., Stocker T.F., Morse D.L., Barnola J.M. & Bellier B. |
| Title |
Evidence for substantial accumulation rate variability in Antarctica during the Holocene, through synchronization of CO2 in the Taylor Dome, Dome C and DML ice cores. |
Type |
Journal Article |
| Year |
2004 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
| Volume |
224 |
Issue |
1-2 |
Pages |
45-54 |
| Keywords |
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| Abstract |
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| Programme |
960 |
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| ISSN |
0012-821X |
ISBN |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
2984 |
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| Author |
Doucet S., Weis D., Scoates J.S., Debaille V. & Giret A. |
| Title |
Geochemical and Hf-Pb-Sr-Nd isotopic constraints on the origin of the Amsterdam-Saint-Paul (Indian Ocean) hotspot basalts. |
Type |
Journal Article |
| Year |
2003 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
| Volume |
218 |
Issue |
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Pages |
179-195 |
| Keywords |
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| Abstract |
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| Programme |
251;444 |
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| ISSN |
0012-821X |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
2419 |
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| Author |
Krinner G. & Werner M. |
| Title |
Impact of precipitation seasonality changes on isotopic signals in polar ice cores : A multi-model analysis. |
Type |
Journal Article |
| Year |
2003 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
| Volume |
216 |
Issue |
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Pages |
525-538 |
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| Programme |
960 |
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0012-821X |
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Approved |
yes |
| Call Number |
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Serial |
3144 |
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| Author |
Sieminski A., Debayle, E. & Lévêque, J.J |
| Title |
Seismic evidence for deep low-velocity anomalies in the transition zone beneath west Antarctica |
Type |
Journal Article |
| Year |
2003 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
| Volume |
216 |
Issue |
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Pages |
645-661 |
| Keywords |
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| Abstract |
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| Programme |
133;906 |
| Campaign |
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| ISSN |
0012-821X |
ISBN |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
3355 |
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| Author |
Pontier, D., Fouchet, D., Bried, J., Bahi-Jaber, N. |
| Title |
Limited nest site availability helps seabirds to survive cat predation on islands. |
Type |
Journal Article |
| Year |
2008 |
Publication |
Ecological modelling |
Abbreviated Journal |
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| Volume |
214 |
Issue |
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Pages |
316-324 |
| Keywords |
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| Abstract |
Les chats harets ont un fort impact sur les espèces d'oiseaux marins indigènes sur des îles, particulièrement quand le lapin, autre espèce introduite et proie alternative du chat, est présent. Les oiseaux marins sont très vulnérables en raison de leurs longs cycles reproducteurs, du taux de renouvellement lent des générations et de l'absence du comportement efficace contre les prédateurs terrestres, particulièrement les espèces qui nichent dans des terriers. A partir d'un modèle déterministe, nous avons exploré un mécanisme négligé qui peut expliquer la résistance de certaines populations d'espèces d'oiseaux marins à la prédation de chat. On a en effet observé que les oiseaux marins entrent en compétition pour les sites de nidification. Par conséquent, une partie des oiseaux physiologiquement aptes à la reproduction doit renoncer à se reproduire quand les sites de nidification sont en nombre limité. Notre modèle lie la dynamique des chats avec celle d'un oiseau marin à nidification hypogée. Nous avons montré que l'impact annuel des chats sur les oiseaux marins est plus faible lorsque les oiseaux entrent en compétition pour les nids, par rapport à une situation où les nids ne sont pas une ressource limitante. Ce résultat est dû au fait que la disponibilité limitée des sites de nidification empêche une croissance optimale de la population de chat. Ainsi, les chats ne peuvent exterminer tous les oiseaux reproducteurs potentiels durant la même saison de reproduction. La population d'oiseaux marins conserve alors un grand groupe d'individus sexuellement matures, la production de juvéniles dans la colonie n'étant que légèrement réduite. Ce pool d'individus peut jouer un rôle important dans les populations d'oiseaux marins en tamponnant la diminution de la taille de colonie pendant les années où les conditions environnementales sont difficiles. En combinaison avec ce mécanisme “tampon”, la limitation du nombre de sites de nidification peut considérablement améliorer la probabilité de persistance de populations d'oiseaux marins faisant face à la prédation. |
| Programme |
279 |
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| ISSN |
0304-3800 |
ISBN |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
5053 |
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| Author |
Maurette M., Gounelle M., Duprat J., Engrand C. & Matrajt G. |
| Title |
The Early micrometeorites Accretion Scenario and the Origin of Earth's Hydrosphere. |
Type |
Journal Article |
| Year |
2000 |
Publication |
A New Era in Bioastronomy |
Abbreviated Journal |
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| Volume |
213 |
Issue |
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Pages |
257-278 |
| Keywords |
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| Abstract |
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| Programme |
226 |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
126 |
| Permanent link to this record |
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| Author |
Llubes M., Florsh N., Legrésy B., Loyer S. & Rémy F. |
| Title |
Crustal thickness in Antarctica from CHAMP. |
Type |
Journal Article |
| Year |
2003 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
| Volume |
212 |
Issue |
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Pages |
103-117 |
| Keywords |
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| Abstract |
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| Programme |
960 |
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Series Issue |
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Edition |
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| ISSN |
0012-821X |
ISBN |
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Medium |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
2991 |
| Permanent link to this record |
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| Author |
Nesterova, A P Mardon, J Bonadonna, F. |
| Title |
Orientation in a Crowded Environment: Can King Penguin Chicks (Aptenodytes patagonicus) Find Their Crèches? |
Type |
Journal Article |
| Year |
2009 |
Publication |
JOURNAL OF EXPERIMENTAL BIOLOGY |
Abbreviated Journal |
J. Exp. Biol. |
| Volume |
212 |
Issue |
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Pages |
210-216 |
| Keywords |
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| Abstract |
For seabird species, the presence of conspecifics in a crowded breeding colony can obstruct locally available orientation cues. Thus, navigation to specific locations can present a challenging problem. We investigated short-range orientation in King Penguin (Aptenodytes patagonicus) chicks that live in a large and densely populated colony. The two main objectives were to determine whether chicks displaced to a novel location away from the colony (i) can orient towards the colony and return to their crèche and (ii) rely on visual or non-visual cues for orientation. To address these questions, a circular arena was constructed 100m away from the colony. Chicks were released in the arena during the day and at night. After the orientation experiment in the arena, chicks were allowed to return to their home crèche, if they could. Our results showed that, during day trials, chicks preferred the half of the arena closer to the colony, but not at night. However, at night, birds spent more time on ʻthe colony halfʼ of the arena if the wind blew from the colony direction. When animals were allowed to leave the arena, 98% of chicks homed during the day but only 62% of chicks homed at night. Chicks that homed at night also took longer to find their crèche. The experiments suggest that King Penguin chicks can find their crèche from a novel location. Visual cues are important for homing but, when visual cues are not present, animals are able to make use of other information carried by the wind. |
| Programme |
354 |
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Edition |
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| ISSN |
0022-0949 |
ISBN |
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Medium |
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Expedition |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
5735 |
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| Author |
Fort, J., Porter, W.P. & Grémillet, D. |
| Title |
Thermodynamic modelling predicts energetic bottleneck for seabirds wintering in the northwest Atlantic |
Type |
Journal Article |
| Year |
2009 |
Publication |
JOURNAL OF EXPERIMENTAL BIOLOGY |
Abbreviated Journal |
J. Exp. Biol. |
| Volume |
212 |
Issue |
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Pages |
2483-2490 |
| Keywords |
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| Programme |
388 |
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Edition |
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| ISSN |
0022-0949 |
ISBN |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
5847 |
| Permanent link to this record |
