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Author |
Pauline Goulet, Yan Roper-Coudert, Christophe Guinet |
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Title |
Using on-animal sensors to study the Ocean and its inhabitants |
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Peer-reviewed symposium |
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Year |
2021 |
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Keywords |
Animal Distribution Bio-logger Bio-logging Drones & Cap' |
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Abstract |
Bio-logging is a methodological approach in which miniature data recording devices are temporarily attached to free-ranging animals to monitor their movement, behaviour and physiology, as well as the physical parameters of the environment directly surrounding the animals, turning them into bio-plateformes. Unsurprisingly bio-logging emerged from marine and polar studies where the monitoring of individuals in these harsh and remote places cannot be done using traditional approaches. Miniaturization and technological advances has meant that the range of species that can be instrumented, as well as the diversity of the questions that can be sought through bio-logging, are expanding fast. New sensors are constantly being developed, pushing further the limits of this field. Instrumented animals deliver information not only on their activities but also on the physical characteristics of the environments they go through. For instance, over the last two decades, loggers attached to deep diving seals have supplemented physical oceanographic measurements with hydrographic profiles from CTD loggers but also with new series of biological measurements. For examples, fluorescence and light sensors provided information on the concentration of phytoplankton in the euphotic layer; miniature echo sounders together with high sensitivity and fast responding light sensor to detect bioluminescence, brought considerable progress in detecting small size particles (>1-2 mm) such as marine snow, zooplankton, but also fish and squids and estimate their abundance. |
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1201 |
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yes |
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8739 |
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Author |
N. Aubone, M. Saraceno, M. L. Torres Alberto, J. Campagna, L. Le Ster, B. Picard, M. Hindell, C. Campagna, C. R. Guinet |
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Title |
Physical changes recorded by a deep diving seal on the Patagonian slope drive large ecological changes |
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Journal |
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Year |
2021 |
Publication |
Journal of Marine Systems |
Abbreviated Journal |
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Volume |
223 |
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Pages |
103612 |
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Keywords |
Elephant seals Malvinas current Patagonian shelf slope Southwestern Atlantic Ocean |
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1201 |
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0924-7963 |
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yes |
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8771 |
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Matteo Feltracco, Elena Barbaro, Clara J. M. Hoppe, Klara K. E. Wolf, Andrea Spolaor, Rose Layton, Christoph Keuschnig, Carlo Barbante, Andrea Gambaro, Catherine Larose |
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Title |
Airborne bacteria and particulate chemistry capture Phytoplankton bloom dynamics in an Arctic fjord |
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Journal |
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Year |
2021 |
Publication |
Atmospheric Environment |
Abbreviated Journal |
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256 |
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118458 |
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Keywords |
Air-to-sea exchanges Amino acids Arctic Atmospheric microorganisms Marine phytoplankton bloom |
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1192 |
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Bachelor's thesis |
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1352-2310 |
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yes |
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7963 |
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2021 |
Publication |
Atmospheric Chemistry and Physics |
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Volume |
21 |
Issue |
4 |
Pages |
3035-3057 |
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1192 |
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ISSN |
1680-7316 |
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yes |
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8604 |
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Andrea Spolaor, Beatrice Moroni, Bart?omiej Luks, Adam Nawrot, Marco Roman, Catherine Larose, ?ukasz Stachnik, Federica Bruschi, Krystyna Kozio?, Filip Pawlak, Clara Turetta, Elena Barbaro, Jean-Charles Gallet, David Cappelletti |
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Title |
Investigation on the Sources and Impact of Trace Elements in the Annual Snowpack and the Firn in the Hansbreen (Southwest Spitsbergen) |
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Journal |
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Year |
2021 |
Publication |
Frontiers in Earth Science |
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8 |
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Abstract |
We present a thorough evaluation of the water soluble fraction of the trace element composition (Ca, Sr, Mg, Na, K, Li, B, Rb, U, Ni, Co, As, Cs, Cd, Mo, Se, Eu, Ba, V, Ge, Ga, Cr, Cr, P, Ti, Mn, Zr, Ce, Zn, Fe, Gd, Y, Pb, Bi, Yb, Al, Nb, Er, Nd, Dy, Sm, Ho, Th, La, Lu, Tm, Pr, Tb, Fe, In, Tl) and their fluxes in the annual snowpack and the firn of the Hansbreen (a tidewater glacier terminating in the Hornsund fjord, southwest Spitsbergen). The trace element samples were obtained from a 3 m deep snow pit dug at the plateau of the glacier (450 m a.s.l.), and from a 2 m deep firn core collected from the bottom of the snow pit. The comparison of elemental fluxes and enrichment factors allowed us to constrain specific summer and wintertime deposition patterns of water soluble trace elements in the southern part of the Svalbard archipelago. Our results suggest that the chemical composition of the Hansbreen (and likely other glaciers where the summit is close to the equilibrium line) is mainly affected by summertime deposition of trace elements from local sources and some volatile elements, which may be transported into the Arctic when polar vortex is weak. The melting of the annual snowpack seems to have a minor influence on the overall chemical signature of the glacier ice. |
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1192 |
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2296-6463 |
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yes |
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8606 |
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2021 |
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Atmospheric Chemistry and Physics |
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21 |
Issue |
4 |
Pages |
3163-3180 |
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1192 |
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1680-7316 |
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1680-7316 |
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8608 |
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Author |
Cyril Audrouin |
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Title |
Croissance musculaire chez le poussin de manchot royal (Aptenodytes patagonicus), liens avec la saisonnalité et la condition corporelle. |
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Master 2 |
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Year |
2021 |
Publication |
IPHC – DEPE Strasbourg |
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119 |
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yes |
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8102 |
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Author |
Camille Lemonnier |
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Title |
Coping with socially stressful environments in colonial seabirds: a test of adaptive phenotype programming in king penguins (Aptenodytes patagonicus) |
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Master 2 |
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Year |
2021 |
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14 |
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Group-living is associated with both fitness benefits and costs for animals. In seabird colonies, spatial heterogeneity in social density and other environmental parameters may affect the quality of breeding territories. For instance, in king penguins, increased conspecific density has been correlated with increased stress hormone levels and increased energy expenditure in individual birds, suggesting a cost of colonial breeding. We unravelled the influences of early (genetic and early maternal effects) and rearing environments on chick growth trajectories, stress physiology and survival. Our results suggest that the rearing social environment (rather than biological background) can influence chicks’ phenotype, growth and survival. Especially, chicks reared in high density areas of the colony showed increased weight gain and survival probabilities. These results suggest either a difference in terms of parental quality between individual breeding at high and low social densities or a difference in chick’s competitiveness due to their early life social environment. |
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119 |
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yes |
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8103 |
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Viblanc Va, Stier A, Bize P, Schull Q, Criscuolo F, Groscolas R, Robin Jp |
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Title |
The ecophysiology of king penguins : responses to a fluctuating environment |
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2021 |
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Penguins are sea...birds. These highly evolved marine predators thrive in the oceanic habitat. Yet, they are conflicted – confronted to the duality of a life spent partly at sea, partly on-land. This life style has them subject to a number of very different ecological pressures. The ECONERGY polar project (IPEV #119) seeks to understand how king penguin cope with the constraints they face while living on-land, and the underlying physiological adaptations that allow them to do so. This includes studies dealing with fasting, parasites, predators, aggressive neighbors, climate and human disturbance. I will present some of the advances our project has made over the past decades, and where we will proceed in the years to come with a new project. We aim to understand bird stress from an integrative perspective, building a long-term observatory of penguin physiological responses to a changing world, and determining how breeding performances on land and foraging performances at sea are related. |
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119 |
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Bachelor's thesis |
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8106 |
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Author |
Lemonnier C, Schull Q, Stier A, Boonstra R, Delahanty B, Lefol E, Durand L, Robin Jp, Criscuolo F, Bize P, Viblanc Va |
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Title |
Coping with socially stressful environments in colonial seabirds: a test of adaptive phenotype programming in king penguins |
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Peer-reviewed symposium |
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Year |
2021 |
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Abbreviated Journal |
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Abstract |
Coloniality is associated with various benefits and costs for animals affecting their fitness. Breeding colonies are heterogeneous both in terms of physical and social parameters, thus, breeding territories are of different quality relative to their location within the colony. In king penguins, increased conspecific density has been correlated with increased stress level in individual birds, suggesting a cost of colonial breeding. We used a cross-fostering approach to question the relationship linking breeding location, phenotype and reproduction success. We crossfostered eggs shortly after laying within and between high-and low-density colony areas. This design allowed us to unravel the influences of early genetic and maternal effects together with rearing environments on chick growth trajectories, stress physiology and survival. We tested whether chick phenotype is determined at birth to match their early environment or if higher social density conferred an advantage for reproduction. |
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119 |
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yes |
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8105 |
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