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Author |
Devienne H. |
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Title |
Reconstruction du niveau de la mer historique à Kerguelen |
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Master 1 |
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2014 |
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688 |
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7089 |
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Author |
Testut L., Téchiné P. |
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Title |
ROSAME – bilan et prospective |
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Report |
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Year |
2014 |
Publication |
Rapport d'activité du legos, juin 2014. |
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688 |
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yes |
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7090 |
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Author |
Téchiné P., Testut L. |
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Title |
Fiche jeu de données – SO ROSAME |
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Report |
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Year |
2014 |
Publication |
Réponse à l'enquête du pôle océan, avril 2014. |
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688 |
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7091 |
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Velut C. and C. Guillerm. |
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Title |
Mission Nivmer 14, mars-avril 2014 |
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2014 |
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688 |
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yes |
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7092 |
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Author |
Calzas M. and A. Guillot. |
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Title |
Campagne Nivmer 14-ddu, R2/Janvier 2014 |
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Report |
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Year |
2014 |
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688 |
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yes |
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7093 |
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Author |
Vincent Favier, Gerhard Krinner, Charles Amory, Hubert Gallée, Julien Beaumet, Cécile Agosta |
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Title |
Antarctica-Regional Climate and Surface Mass Budget |
Type |
Journal |
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Year |
2017 |
Publication |
Current Climate Change Reports |
Abbreviated Journal |
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Volume |
3 |
Issue |
4 |
Pages |
303-315 |
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Keywords |
Antarctica Climate change Regional modeling Surface mass balance |
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Abstract |
We review recent literature on atmospheric, surface ocean and sea-ice observations and modeling results in the Antarctic sector and relate the observed climatic trends with the potential changes in the surface mass balance (SMB) of the ice sheet since 1900. Estimates of regional scale SMB distribution and trends remain subject to large uncertainties. Approaches combining and comparing multiple satellite and model-based assessments of ice sheet mass balance aim at reducing these knowledge gaps. During the last decades, significant changes in atmospheric circulation occurred around Antarctica, due to the exceptional positive trend in the Southern Annular Mode and to the climate variability observed in the tropical Pacific at the end of the twentieth century. Even though climate over the East Antarctic Ice-Sheet remained quite stable, a warming and precipitation increase was observed over the West Antarctic Ice-Sheet and over the West Antarctic Peninsula (AP) during the twentieth century. However, the high regional climate variability overwhelms climate changes associated to human drivers of global temperature changes, as reflected by a slight recent decadal cooling trend over the AP. Climate models still fail to accurately reproduce the multi-decadal SMB trends at a regional scale, and progress has to be achieved in reproducing atmospheric circulation changes related to complex ocean/ice/atmosphere interactions. Complex processes are also still insufficiently considered, such as (1) specific polar atmospheric processes (clouds, drifting snow, and stable boundary layer physics), (2) surface firn physics involved in the surface drag variations, or in firn air depletion and albedo feedbacks. Finally, progress in reducing the uncertainties relative to projections of the future SMB of Antarctica will largely depend on climate model capability to correctly consider teleconnections with low and mid-latitudes, and on the ability to correct them for biases, taking into account the coupling between ocean, ice, and atmosphere in high southern latitudes. |
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1169 |
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2198-6061 |
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2198-6061 |
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yes |
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7094 |
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Author |
Laureline L. Chaise, Iris Prinet, Camille Toscani, Susan L. Gallon, William Paterson, Dominic J. McCafferty, Marc Théry, André Ancel, Caroline Gilbert |
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Title |
Local weather and body condition influence habitat use and movements on land of molting female southern elephant seals (Mirounga leonina) |
Type |
Journal |
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Year |
2018 |
Publication |
Ecology and Evolution |
Abbreviated Journal |
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Volume |
8 |
Issue |
12 |
Pages |
6081-6090 |
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Keywords |
body mass GPS loggers habitat selection marine mammals meteorological conditions molt pinnipeds population counts |
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Abstract |
Southern elephant seals (Mirounga leonina) are known to move and aggregate while molting, but little is known about their behavior on land during this time. In this study, 60 adult females were monitored (23 with GPS tags) during four molting seasons, between 2012 and 2016 at Kerguelen Archipelago, Indian Ocean. Population surveys were recorded each year (N = 230 daily counts), and habitat use was analyzed in relation to the stage of the molt and local weather. Based on stage of molt, habitat use, and movements on land, we classified the molt of elephant seals into three phases: (1) a “search phase” at the initial stage of molt when grass and wallow habitats were used and characterized by greater mean distances travelled on land per day compared with the two other phases; (2) a “resident phase”: during initial and mid-stage of molt when animals were found in grass and wallow habitats but with less distance moved on land; and (3) a “termination phase” at the final stage of molt where grass and beach habitats were occupied with no change in distances. Windchill and solar radiation influenced individual distances moved per day (mean 590 ± 237.0 m) at the mid- and final stage of molt such that animals travelled greater distances on days of low windchill or high solar radiation. Individual variation in distance moved and relative habitat use were also linked to body mass index (BMI) at arrival on the colony, as females with higher BMI moved less and preferred beach habitat. Moreover, the individual rate of molt increased with the use of wallows. Aggregation rate tended to be negatively correlated with distances moved. We therefore suggest that individuals face an energetic trade-off while molting, balancing energy expenditure between movement and thermoregulation. |
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1201 |
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2045-7758 |
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2045-7758 |
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yes |
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7368 |
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Author |
L. T. Ellis, O. M. Afonina, R. L. Andriamiarisoa, G. Asthana, R. Bharti, P. Aymerich, B. Bambe, M. Boiko, M. Brugués, E. Ruiz, L. Sáez, M. J. Cano, R. Ros, L. Cˇihal, J. Deme, J. Csiky, G. Dihoru, P. Dřevojan, T. Ezer, V. E. Fedosov, E. A. Ignatova, A. P. Seregin, C. A. Garcia, A. Martins, C. Sérgio, M. Sim-Sim, A. S. B. Rodrigues, S. R. Gradstein, C. Reeb, A. Irmah, M. Suleiman, T. Koponen, J. Kučera, M. Lebouvier, Y. LiQun, D. G. Long, A. I. Maksimov, T. A. Maksimova, J. Muñoz, M. Nobis, A. Nowak, R. Ochyra, S. V. O’Leary, F. Osorio, O. Yu Pisarenko, V. Plášek, Z. Skoupá, A. Schäfer-Verwimp, N. Schnyder, J. R. Shevock, S. Ştefănuţ, M. Sulayman, B.-Y. Sun, S. J. Park, D. Ya Tubanova, † J. Vánă, G. J. Wolski, K.-Y. Yao, Y.-J. Yoon, E. Yücel |
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Title |
New national and regional bryophyte records, 56 |
Type |
Journal |
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Year |
2018 |
Publication |
Journal of Bryology |
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Volume |
40 |
Issue |
3 |
Pages |
271-296 |
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136 |
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0373-6687 |
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0373-6687 |
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7096 |
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Author |
Marianne Gabirot, Bruno Buatois, Carsten T. Müller, Francesco Bonadonna |
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Title |
Odour of King Penguin feathers analysed using direct thermal desorption discriminates between individuals but not sexes |
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Journal |
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Year |
2018 |
Publication |
Ibis |
Abbreviated Journal |
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Volume |
160 |
Issue |
2 |
Pages |
379-389 |
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Keywords |
Aptenodytes patagonicus individual variability plumage volatile organic compounds |
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Abstract |
The role and use of olfactory cues by penguins is largely under-investigated, with only a few studies suggesting that odours are involved in prey detection, orientation and for interspecific communication. This also applies to King Penguins Aptenodytes patagonicus where little is known about their chemoreception abilities and, subsequently, the role of odours in their behavioural ecology. Here, we investigated the chemical composition of volatile organic compounds (VOCs) from feathers of King Penguins in the Kerguelen Archipelago and their potential to carry information on identity and sex. We analysed VOCs using direct thermal desorption, a novel approach for extracting volatile compounds directly from solid matrices. We were only able to test at desorption temperatures of 70 and 100 °C to optimize conditions for VOC analysis. We found a profile of 26 VOCs present in most individuals, which varied significantly between individuals but not between sexes. Results suggested that VOCs could possibly be used by King Penguins to locate the colony and recognize individuals, if similar VOCs are also present at ambient conditions. Further studies and behavioural experiments are encouraged to explore olfactory-based communication in this species. |
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354 |
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1474-919X |
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1474-919X |
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7098 |
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Author |
F Bonadonna |
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Title |
The Lords of the perfumes |
Type |
Communication |
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Year |
2017 |
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Symposium: bird behaviour in a changing world: with a special focus on bird senses london 14 –15 september 2017, zoological society of london. |
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354 |
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7101 |
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