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Author |
Bost, C.A., Delord, K., Barbraud, C., Cotté, C., Peron, C., Weimerskirch, H. |
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Title |
The King Penguin : Life History, current status and priority conservation action.
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Book Chapter |
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2011 |
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In Penguin Book. (Eds P. dee Boersma & P. G. Borboroglu), University of Washinton Press, Washington. |
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394 |
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Bachelor's thesis |
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yes |
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3262 |
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Author |
Marlin C., Griselin M., Bernard E., Tolle F. |
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Title |
Climate Recent Evolution Observed in Svalbard (air temperature and precipitation): focus on the last 40 years in Ny Alesund (79°N) |
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Conference - International - Communication |
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Year |
2011 |
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International Conference Polar Worlds, Paris 25-28 janvier 2011 |
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304 |
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Bachelor's thesis |
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yes |
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3263 |
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Hindell, M.A., Bost, C.A., Charrassin, J.B., Gales, N., Lea, M.A., Goldsworthy S., Page B., Robertson G., Wienecke W., O’Toole M., Guinet, C. |
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Title |
Foraging habitats of top predators, and Areas of Ecological Significance, on the Kerguelen Plateau. |
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Book Chapter |
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2011 |
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In The Kerguelen Plateau: marine ecosystem and fisheries (Duhamel, G. & Welsford, D. Eds): 203-215, Société d’Ichtyologie |
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394 |
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Bachelor's thesis |
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yes |
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3264 |
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Thiebot Jean-Baptiste, Lescroël Amélie, Pinaud David, Trathan Philip N, Bost Charles-André, |
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Title |
Larger foraging range but similar habitat selection in non-breeding versus breeding sub-Antarctic penguins
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Type |
Journal Article |
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Year |
2011 |
Publication |
Antarctic Science |
Abbreviated Journal |
Antarct. Sci. |
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Volume |
23 |
Issue |
02 |
Pages |
117-126 |
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Programme |
109;394 |
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Bachelor's thesis |
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ISSN |
0954-1020 |
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yes |
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3265 |
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Ricaud P, Genthon C, Durand P, Attié J, Carminati F, Canut G, Vanacker J, Moggio L, Courcoux Y, Pellegrini A, Rose T, |
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Title |
Summer to Winter Diurnal Variabilities of Temperature and Water Vapour in the Lowermost Troposphere as Observed by HAMSTRAD over Dome C, Antarctica
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Journal Article |
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Year |
2011 |
Publication |
Boundary-Layer Meteorology |
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Pages |
1-33 |
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Keywords |
Earth and Environmental Science, |
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Programme |
910 |
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Thesis |
Bachelor's thesis |
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Publisher |
Springer Netherlands |
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0006-8314 |
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yes |
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Call Number |
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Serial |
3269 |
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Author |
Verrier Delphine, Groscolas René, Guinet Christophe, Arnould John P Y, |
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Title |
Development of fasting abilities in subantarctic fur seal pups: balancing the demands of growth under extreme nutritional restrictions
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Type |
Journal Article |
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Year |
2011 |
Publication |
Functional Ecology |
Abbreviated Journal |
0269-8463 |
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Volume |
25 |
Issue |
3 |
Pages |
704-717 |
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Keywords |
body fat, energy conservation, fuel partitioning, growth strategy, maternal care, offspring survival, pinnipeds, protein sparing, |
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Abstract |
1.Surviving prolonged food deprivation requires various metabolic adaptations such as energy and protein sparing, which can be highly conflicting with energy-demanding stages of an animals life history such as growth. 2.Due to the maternal attendance pattern, subantarctic fur seal (Arctocephalus tropicalis Gray) pups must repeatedly endure exceptionally long fasts of increasing duration throughout the 10-month lactation period. Little is known of (i) how these infants adapt to such extreme energetic constraints while sustaining growth and development; and (ii) the ecological implications of repeated prolonged fasting in early life in terms of offspring survival, maternal care and growth strategy in this species, as well as the evolutionary consequences of such life history trait. 3.Physiological responses to prolonged fasting and how they change with development throughout the pre-weaning period were investigated. Results show that beginning with their first fast, subantarctic fur seal pups are able to mobilize lipid reserves preferentially while conserving protein stores in response to nutritional deprivation. As pup age, profound changes in energy expenditure allow the implementation of an efficient strategy of fat storage and lean body mass preservation, which proves highly adaptive in the face of the low maternal provisioning rates experienced. 4.Despite increasing fasting durations, pup mortality decreased markedly throughout the maternal dependence period. Consistent with predictions, field measurements indicate that fasting endurance, although limited in early life, increases up to durations of nearly 3 months with age. Results suggest that the maternal provisioning strategy could be constrained by these ontogenetic changes in pup fasting abilities. 5.Furthermore, extreme energetic constraints and local density-dependent effects appear to exert a strong selective pressure upon the adoption of a convergent growth strategy between the sexes aiming to maximize fat storage and pre-weaning survival. 6.The issues of resulting trade-offs between pre- and post-weaning survival and the evolutionary consequences of extreme fasting abilities are also addressed.
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Programme |
109;119 |
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Thesis |
Bachelor's thesis |
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Publisher |
Blackwell Publishing Ltd |
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ISSN |
1365-2435 |
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yes |
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Call Number |
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Serial |
3277 |
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Author |
Favier Vincent, Agosta Ccile, Genthon Christophe, Arnaud Laurent, Trouvillez Alexandre, Galle Hubert, |
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Title |
Modeling the mass and surface heat budgets in a coastal blue ice area of Adelie Land, Antarctica
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Type |
Journal Article |
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Year |
2011 |
Publication |
J. Geophys. Res. |
Abbreviated Journal |
0148-0227 |
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Volume |
116 |
Issue |
F3 |
Pages |
F03017- |
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Keywords |
Antarctica, blue ice, cryosphere, energy balance, melting, 0738 Cryosphere: Ice (1863), 0762 Cryosphere: Mass balance (1218, 1223), 0764 Cryosphere: Energy balance, 0768 Cryosphere: Thermal regime, 0798 Cryosphere: Modeling (1952, 4316), |
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Abstract |
Meteorological data recorded from 12 December 2008 to 30 June 2010 were analyzed to assess the surface energy balance (SEB) in a blue ice area of Cap Prudhomme, Adelie Land (6641′S, 13955′E). The SEB was computed with a newly developed model forced by direct measurements and with a voluntarily limited number of parameters to better assess model sensitivity. Incoming short-wave radiation was corrected for the slope and orientation of the local terrain assuming direct and diffuse radiation components. Turbulent heat fluxes were assessed using the bulk aerodynamic approach. Heat conduction in the ice was computed by solving the thermal diffusion equation. Snow accumulation was modeled using ERA interim total precipitation and a one-dimensional erosion model. The surface heat budget and accumulation/erosion model accurately reproduced field observations. The occurrence of blue ice is linked with higher rates of erosion than in the surrounding snow covered areas, which may be caused by local flow divergence or snow not being redistributed from higher elevations. Melting occurs between December and February when incoming short-wave radiation is high. However, the SEB was closely linked to air temperature through the incoming long-wave radiation and the turbulent sensible heat flux. Several warm events caused by cyclones intruding into the continent led to significant warming of the ice and high melting rates. Intruding cyclones were also associated with high precipitation that led to significant accumulation. Except in blue ice areas, modeling suggests that expected higher precipitation in a warmer climate will result in more accumulation.
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Programme |
411;1013 |
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Thesis |
Bachelor's thesis |
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Publisher |
AGU |
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0148-0227 |
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yes |
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Serial |
3294 |
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Author |
Saraux Claire, Le Bohec Celine, Durant Joel M, Viblanc Vincent A, Gauthier-Clerc Michel, Beaune David, Park Young-Hyang, Yoccoz Nigel G, Stenseth Nils C, Le Maho Yvon, |
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Title |
Reliability of flipper-banded penguins as indicators of climate change
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Journal Article |
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Year |
2011 |
Publication |
NATURE |
Abbreviated Journal |
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Volume |
469 |
Issue |
7329 |
Pages |
203-206 |
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Programme |
137 |
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Bachelor's thesis |
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Publisher |
Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. |
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ISSN |
0028-0836 |
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yes |
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Serial |
3300 |
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Author |
Koubbi Philippe, O'Brien Colleen, Loots Christophe, Giraldo Carolina, Smith Martina, Tavernier Eric, Vacchi Marino, Vallet Carole, Chevallier Jean, Moteki Masato, |
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Title |
Spatial distribution and inter-annual variations in the size frequency distribution and abundances of Pleuragramma antarcticum larvae in the Dumont dUrville Sea from 2004 to 2010
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Type |
Journal Article |
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Year |
2011 |
Publication |
Polar Science |
Abbreviated Journal |
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Volume |
5 |
Issue |
2 |
Pages |
225-238 |
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Keywords |
Pleuragramma antarcticum, East Antarctic shelf, Fish larvae, Life cycle, Inter-annual variations, |
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Abstract |
This paper investigates the abundance and distribution of Pleuragramma antarcticum larvae by size class in the Dumont dUrville Sea from 2004 to 2010. Samples were collected between Dumont dUrville station and the Mertz Glacier Tongue onboard the RV lAstrolabe for studying the inter-annual and spatial distribution of fish larvae and the TRV Umitaka Maru for looking at life stages vertical distributions. The seabed depression adjacent to the Mertz Glacier Tongue and in Commonwealth Bay hosted high abundances of small P. antarcticum larvae, while larger larvae were found in lower abundance and further offshore. We found that canyons, sea ice, stability of the water column and temperatures are important features for determining suitable areas for young larvae. |
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Programme |
1142 |
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Bachelor's thesis |
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1873-9652 |
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yes |
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3301 |
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Author |
Hosie Graham, Koubbi Philippe, Riddle Martin, Ozouf-Costaz Catherine, Moteki Masato, Fukuchi Mitsuo, Ameziane Nadia, Ishimaru Takashi, Goffart Anne, |
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Title |
CEAMARC, the Collaborative East Antarctic Marine Census for the Census of Antarctic Marine Life (IPY # 53): An overview
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Type |
Journal Article |
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Year |
2011 |
Publication |
Polar Science |
Abbreviated Journal |
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Volume |
5 |
Issue |
2 |
Pages |
75-87 |
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Keywords |
CEAMARC, CAML, Marine biodiversity, Pelagic, Benthos, |
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Abstract |
The Census for Antarctic Marine Life (CAML, IPY Project 53) aimed to investigate the distribution and abundance of Antarctic marine biodiversity and how it will be affected by climate change. It was a major ship-based research programme in the austral summer of 20072008 involving scientists from 30 countries and 19 vessels. The Collaborative East Antarctic Marine Census (CEAMARC) was a multinational contribution to CAML involving scientists and students from several nations using three ships from Australia, Japan and France surveying the one area. This collaboration was a highly coordinated and comprehensive survey of the plankton, fish, benthos, oceanography and geophysical conditions of the waters north of Terre Adélie and George V Land of Eastern Antarctica. CEAMARC has provided a robust benchmark of the marine life in this poorly studied sector and will help to establish the monitoring of future changes in this region. |
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1124;1142 |
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Bachelor's thesis |
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1873-9652 |
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yes |
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Serial |
3316 |
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