Search Results - "CHEREL, Y"

Stable isotopes reveal the trophic position and mesopelagic fish diet of female southern elephant seals breeding on the Kerguelen Islands by Cherel, Y., Ducatez, S., Fontaine, C., Richard, P., Guinet, C.

“…Trophic interactions between organisms are the main drivers of ecosystem dynamics, but scant dietary information is available for wide-ranging predators during…”
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The importance of oceanographic fronts to marine birds and mammals of the southern oceans by Bost, C.A., Cotté, C., Bailleul, F., Cherel, Y., Charrassin, J.B., Guinet, C., Ainley, D.G., Weimerskirch, H.

“…During the last 30 years, at-sea studies of seabirds and marine mammals in the oceans south of the Subtropical Front have described an association with major…”
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Large-scale survey of lithium concentrations in marine organisms by Thibon, F., Weppe, L., Vigier, N., Churlaud, C., Lacoue-Labarthe, T., Metian, M., Cherel, Y., Bustamante, P.

“…Trace metals such as Cu, Hg, and Zn have been widely investigated in marine ecotoxicological studies considering their bioaccumulation, transfer along trophic…”
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Whisker isotopic signature depicts migration patterns and multi-year intra- and inter-individual foraging strategies in fur seals by Cherel, Y., Kernaléguen, L., Richard, P., Guinet, C.

“…C and δ…”
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Population-specific wintering distributions of adult south polar skuas over three oceans by Weimerskirch, H., Tarroux, A., Chastel, O., Delord, K., Cherel, Y., Descamps, S.

“…Migratory routes and the areas used during winter have probably been selected to maximize fitness by providing favorable environmental conditions outside the…”
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Importance of toothfish in the diet of generalist subantarctic killer whales: implications for fisheries interactions by Tixier, Paul, Giménez, Joan, Reisinger, Ryan R., Méndez-Fernandez, Paula, Arnould, John P. Y., Cherel, Yves, Guinet, Christophe

“…Fisheries may generate new feeding opportunities for marine predators, which switch foraging behaviour to depredation when they feed on fish directly from…”
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Simple and rapid formic acid sample treatment for the isolation of HgSe nanoparticles from animal tissues by El Hanafi, K., Gomez-Gomez, B., Pedrero, Z., Bustamante, P., Cherel, Y., Amouroux, D., Madrid, Y.

“…The present work explores for the first time the potential of formic acid on the extraction of tiemannite (HgSe) nanoparticles from seabird tissues, in…”
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Combining hard-part and DNA analyses of scats with biologging and stable isotopes can reveal different diet compositions and feeding strategies within a fur seal population by Jeanniard-du-Dot, T., Thomas, A. C., Cherel, Y., Trites, A. W., Guinet, C.

“…Accurately estimating predators’ diets at relevant spatial and temporal scales is key to understanding animals’ energetics and fitness, particularly in…”
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Trace elements in invertebrates and fish from Kerguelen waters, southern Indian Ocean by Cipro, Caio V. Z., Cherel, Y., Bocher, P., Caurant, F., Miramand, P., Bustamante, P.

“…Given the lack of background data on essential and non-essential trace elements in invertebrates and fish known to be the predominant prey of marine mammals…”
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Amino acid δ13C and δ15N from sclerotized beaks: a new tool to investigate the foraging ecology of cephalopods, including giant and colossal squids by Cherel, Y, Bustamante, P, Richard, P

“…Combining the use of predators as biological samplers together with measurements of the stable isotopic ratios (δ13CBulk and δ15NBulk) of their sclerotized…”
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Resource partitioning within a tropical seabird community: new information from stable isotopes by Cherel, Y., Le Corre, M., Jaquemet, S., Ménard, F., Richard, P., Weimerskirch, H.

“…Characteristics of the tropical oceanic environment (low productivity, little seasonality) and poor diversity of tropical seabird foraging methods and prey…”
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A Genetically Engineered Waterfowl Influenza Virus with a Deletion in the Stalk of the Neuraminidase Has Increased Virulence for Chickens by Munier, S, Larcher, T, Cormier-Aline, F, Soubieux, D, Su, B, Guigand, L, Labrosse, B, Cherel, Y, Quéré, P, Marc, D, Naffakh, N

“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Influence of sexual dimorphism on stable isotopes and trace element concentrations in the greater hooked squid Moroteuthopsis ingens from New Zealand waters by Lischka, A., Braid, H., Cherel, Y., Bolstad, K., Lacoue-Labarthe, T., Bustamante, P.

“…The Chatham Rise, one of the highest offshore-primary production regions in New Zealand waters, hosts a great abundance and diversity of deep-sea cephalopods…”
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Feeding ecology, isotopic niche, and ingestion of fishery-related items of the wandering albatross Diomedea exulans at Kerguelen and Crozet Islands by Cherel, Yves, Xavier, José C., de Grissac, Sophie, Trouvé, Colette, Weimerskirch, Henri

“…Feeding ecology and isotopic niche of the wandering albatross Diomedea exulans were investigated in the poorly studied population on the Kerguelen Islands and…”
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Early-life sexual segregation: ontogeny of isotopic niche differentiation in the Antarctic fur seal by Kernaléguen, L., Arnould, J. P. Y., Guinet, C., Cazelles, B., Richard, P., Cherel, Y.

“…Investigating the ontogeny of niche differentiation enables to determine at which life-stages sexual segregation arises, providing insights into the main…”
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Stable isotopes document the trophic structure of a deep-sea cephalopod assemblage including giant octopod and giant squid by Cherel, Y., Ridoux, V., Spitz, J., Richard, P.

“…C values can be interpreted in terms of distribution with the more…”
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Macrozooplankton and micronekton diversity and associated carbon vertical patterns and fluxes under distinct productive conditions around the Kerguelen Islands by Cotté, C., Ariza, A., Berne, A., Habasque, J., Lebourges-Dhaussy, A., Roudaut, G., Espinasse, B., Hunt, B.P.V., Pakhomov, E.A., Henschke, N., Péron, C., Conchon, A., Koedooder, C., Izard, L., Cherel, Y.

“…Mesopelagic communities are characterized by a large biomass of diverse macrozooplankton and micronekton (MM) performing diel vertical migration (DVM)…”
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Antarctic petrels 'on the ice rocks': wintering strategy of an Antarctic seabird by Delord, K, Kato, A, Tarroux, A, Orgeret, F, Cotté, C, Ropert-Coudert, Y, Cherel, Y, Descamps, S

“…There is a paucity of information on the foraging ecology, especially individual use of sea-ice features and icebergs, over the non-breeding season in many…”
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Nitrogen and carbon isotope values of individual amino acids: a tool to study foraging ecology of penguins in the Southern Ocean by Lorrain, Anne, Graham, Brittany, Ménard, Frédéric, Popp, Brian, Bouillon, Steven, van Breugel, Peter, Cherel, Yves

“…We determined the δ15N and δ13C values of individual amino acids (AAs) isolated from chick blood of 4 penguin species that forage in different oceanic regions…”
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Persistent organic pollutants in benthic and pelagic organisms off Adélie Land, Antarctica by Goutte, A., Chevreuil, M., Alliot, F., Chastel, O., Cherel, Y., Eléaume, M., Massé, G.

“…•PCBs and PBDEs were detectable in benthic and pelagic species from Antarctica.•Antarctic benthic species had undetectable PeCB and low HCB levels.•Isomer…”
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