Search Results - "Georges, J. Y."

Influence of weather conditions on the flight of migrating black storks by Chevallier, D., Handrich, Y., Georges, J.-Y., Baillon, F., Brossault, P., Aurouet, A., Le Maho, Y., Massemin, S.

“…This study tested the potential influence of meteorological parameters (temperature, humidity, wind direction, thermal convection) on different migration…”
Get full text

Change in plasma cortisol and metabolites during the attendance period ashore in fasting lactating subantarctic fur seals by Guinet, C, Servera, N, Mangin, S, Georges, J.-Y, Lacroix, A

“…Lactating fur seals ( Arctocephalus tropicalis) alternate foraging trips at sea and pup attendance periods ashore. During the onshore nursing periods,…”
Get full text

Foraging habitat and food intake of satellite-tracked king penguins during the austral summer at Crozet Archipelago by Bost, C. A., Georges, J. Y., Guinet, C., Cherel, Y., Pütz, K., Charrassin, J. B., Handrich, Y., Zorn, T., Lage, J., Le Maho, Y.

“…The relationships between the foraging strategy of seabirds, hydrographic features and food availability are poorly understood. We investigated the movements…”
Get full text

Foraging habitat and diving activity of lactating Subantarctic fur seals in relation to sea-surface temperatures at Amsterdam Island by Georges, Jean-Yves, Bonadonna, Francesco, Guinet, Christophe

“…This study investigates the foraging behaviour of lactating Subantarctic fur seals Arctocephalus tropicalis breeding on Amsterdam Island, Indian Ocean, in…”
Get full text

Diving behaviour of female northern rockhopper penguins, Eudyptes chrysocome moseleyi, during the brooding period at Amsterdam Island (Southern Indian Ocean) by CHEREL, Y, TREMBLAY, Y, GUINARD, E, GEORGES, J. Y

“…The pattern and characteristics of diving in 14 female northern rockhopper penguins, Eudyptes chrysocome moseleyi, were studied at Amsterdam Island…”
Get full text

Growth in pups of the subantarctic fur seal (Arctocephalus tropicalis) on Amsterdam Island by Guinet, C, Georges, J-Y

“…Growth in body mass in pups of the subantarctic fur seal Arctocephalus tropicalis was studied at Amsterdam Island, southern Indian Ocean during the rearing…”
Get full text

Maternal Care in the Subantarctic fur Seals on Amsterdam Island by Georges, Jean-Yves, Guinet, Christophe

“…This paper reports the first study of maternal input and care from birth to weaning in a fur seal with a long pup-rearing period: the subantarctic fur seal…”
Get full text

Satellite tracking of seabirds: interpretation of activity pattern from the frequency of satellite locations by Georges, Jean-Yves, Guinet, Christophe, Jouventin, Pierre, Weimerskirch, Henri

“…The ARGOS system provides accurate information on large-scale migratory and foraging movements of wild birds and mammals. Foraging strategies have been studied…”
Get full text

Dispersal and dive patterns during the post-nesting migration of olive ridley turtles from French Guiana by Plot, V, de Thoisy, B, Georges, JY

“…Behavioral plasticity allows migrating animals to adjust their migration patterns in relation to the environmental conditions they encounter during their…”
Get full text

Endangered species Where leatherback turtles meet fisheries by Georges, Jean-Yves, Ferraroli, Sandra, Gaspar, Philippe, Maho, Yvon Le

“…The dramatic worldwide decline in populations of the leatherback turtle (Dermochelys coriacea) is largely due to the high mortality associated with their…”
Get full text

Milking Strategy in Subantarctic Fur Seals Arctocephalus tropicalis Breeding on Amsterdam Island: Evidence from Changes in Milk Composition by Georges, Jean-Yves, Groscolas, René, Guinet, Christophe, Robin, Jean-Patrice

“…Milk composition was investigated throughout the 10-mo pup-rearing period in subantarctic fur seals (Arctocephalus tropicalis) breeding on Amsterdam Island…”
Get full text

Comparative Foraging and Nutrition of Horses and Cattle in European Wetlands by Menard, Catherine, Duncan, Patrick, Fleurance, Geraldine, Georges, Jean-Yves, Lila, Marc

“…1. Equids are generalist herbivores that co-exist with bovids of similar body size in many ecosystems. There are two major hypotheses to explain their…”
Get full text

Seasonal diving behaviour and feeding rhythms of green turtles at Mayotte Island by Ballorain, Katia, Bourjea, Jérôme, Ciccione, Stéphane, Kato, Akiko, Hanuise, Nicolas, Enstipp, Manfred, Fossette, Sabrina, Georges, Jean-Yves

“…In long-distance migratory marine species foraging behaviour remains particularly difficult to study even though it has important consequences for individual…”
Get full text

Dispersal and dive patterns in gravid leatherback turtles during the nesting season in French Guiana by Fossette, Sabrina, Ferraroli, Sandra, Tanaka, Hideji, Ropert-Coudert, Yan, Arai, Nobuaki, Sato, Katsufumi, Naito, Yasuhiko, Le Maho, Yvon, Georges, Jean-Yves

“…We present the first combined analysis of diving behaviour and dispersal data collected from gravid leatherback turtles during 3 consecutive nesting seasons in…”
Get full text

Conservation implications of the apparent mismatch between population dynamics and foraging effort in French northern gannets from the English Channel by Grémillet, David, Pichegru, Lorien, Siorat, François, Georges, Jean-Yves

“…Human activities affect all trophic levels of marine food webs and threaten numerous species. The status of such populations can be assessed via monitoring of…”
Get full text

Foraging behaviour of satellite-tracked king penguins in relation to sea-surface temperatures obtained by satellite telemetry at Crozet Archipelago, a study during three austral summers by Guinet, Christophe, Koudil, Malik, Bost, Charles André, Durbec, Jean Pierre, Georges, Jean Yves, Mouchot, Marie Catherine, Jouventin, Pierre

“…We investigated the foraging behaviour of king penguins in relation to sea-surface temperature distribution over 3 years near the Crozet Archipelago, South…”
Get full text

Seasonal diving behaviour in lactating subantarctic fur seals on Amsterdam Island by GEORGES, J.-Y, TREMBLAY, Y, GUINET, C

“…Diving behaviour was investigated in female subantarctic fur seals (Arctocephalus tropicalis) breeding on Amsterdam Island, Indian Ocean. Data were collected…”
Get full text

Growth in pups of the subantarctic fur seal (Arctocephalus tropicalis) on Amsterdam Island by Guinet, C., Georges, J.-Y.

“…Growth in body mass in pups of the subantarctic fur seal Arctocephalus tropicalis was studied at Amsterdam Island, southern Indian Ocean during the rearing…”
Get full text

Marine animal behaviour: neglecting ocean currents can lead us up the wrong track by Gaspar, Philippe, Georges, Jean-Yves, Fossette, Sabrina, Lenoble, Arnaud, Ferraroli, Sandra, Le Maho, Yvon

“…Tracks of marine animals in the wild, now increasingly acquired by electronic tagging of individuals, are of prime interest not only to identify habitats and…”
Get full text

How long does a dive last? Foraging decisions by breath-hold divers in a patchy environment: a test of a simple model by Sparling, Carol E., Georges, Jean-Yves, Gallon, Susan L., Fedak, Mike, Thompson, Dave

“…Many theoretical models have been proposed to explain and predict the behaviour of air-breathing divers exploiting a food resource underwater. Many field…”
Get full text