Search Results - "Letourneur, Yves"

The α-minimum convex polygon as a relevant tool for isotopic niche statistics by Fey, Pauline, Letourneur, Yves, Bonnabel, Silvère

“…•Isotopic niche reflects stable carbon and nitrogen isotopes in animals’ tissues.•Celebrated indicators for niche description often rely on Gaussian…”
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Multi-trophic markers illuminate the understanding of the functioning of a remote, low coral cover Marquesan coral reef food web by Fey, Pauline, Parravicini, Valeriano, Bănaru, Daniela, Dierking, Jan, Galzin, René, Lebreton, Benoit, Meziane, Tarik, Polunin, Nicholas V. C., Zubia, Mayalen, Letourneur, Yves

“…We studied the food web structure and functioning of a coral reef ecosystem in the Marquesas Islands, French Polynesia, characterized by low coral cover, high…”
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Warm‐adapted sponges resist thermal stress by reallocating carbon and nitrogen resources from cell turnover to somatic growth by Maggioni, Federica, Raimbault, Patrick, Chateau, Olivier, Pujo‐Pay, Mireille, Letourneur, Yves, Rodolfo‐Metalpa, Riccardo

“…Ocean warming will affect the functioning of coral reef ecosystems with unknown cascading effects. Any perturbation in the ability of sponges to recycle the…”
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C and N stable isotopes enlighten the trophic behaviour of the dugong (Dugong dugon) by Thibault, Martin, Letourneur, Yves, Cleguer, Christophe, Bonneville, Claire, Briand, Marine J., Derville, Solène, Bustamante, Paco, Garrigue, Claire

“…The dugong ( Dugong dugon ), a large marine mammal herbivore of the Indo-Pacific, is vulnerable to extinction at a global scale due to a combination of…”
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Challenging trophic position assessments in complex ecosystems: Calculation method, choice of baseline, trophic enrichment factors, season and feeding guild do matter: A case study from Marquesas Islands coral reefs by Letourneur, Yves, Fey, Pauline, Dierking, Jan, Galzin, René, Parravicini, Valeriano

“…Assessments of ecosystem functioning are a fundamental ecological challenge and an essential foundation for ecosystem‐based management. Species trophic…”
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Isotopic discrimination in helminths infecting coral reef fishes depends on parasite group, habitat within host, and host stable isotope value by Riekenberg, Philip M., Briand, Marine J., Moléana, Thibaud, Sasal, Pierre, van der Meer, Marcel T. J., Thieltges, David W., Letourneur, Yves

“…Stable isotopes of carbon and nitrogen characterize trophic relationships in predator–prey relationships, with clear differences between consumer and diet…”
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Author Correction: Multi-trophic markers illuminate the understanding of the functioning of a remote, low coral cover Marquesan coral reef food web by Fey, Pauline, Parravicini, Valeriano, Bănaru, Daniela, Dierking, Jan, Galzin, René, Lebreton, Benoit, Meziane, Tarik, Polunin, Nicholas V. C., Zubia, Mayalen, Letourneur, Yves

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Major Sources of Organic Matter in a Complex Coral Reef Lagoon: Identification from Isotopic Signatures (δ13C and δ15N) by Briand, Marine J, Bonnet, Xavier, Goiran, Claire, Guillou, Gaël, Letourneur, Yves

“…A wide investigation was conducted into the main organic matter (OM) sources supporting coral reef trophic networks in the lagoon of New Caledonia. Sampling…”
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Diel changes in structure and trophic functions of motile benthic invertebrates on coral reefs at Rapa Nui (Easter Island) by Zapata-Hernández, Germán, Hinojosa, Iván A., Sellanes, Javier, Rios, Rodrigo S., Letourneur, Yves

“…Coral reefs are structurally complex habitats that provide diverse shelter for motile benthic invertebrates (MBI), including those with cryptic and nocturnal…”
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Extinction vulnerability of coral reef fishes by Graham, Nicholas A.J, Chabanet, Pascale, Evans, Richard D, Jennings, Simon, Letourneur, Yves, Aaron MacNeil, M, McClanahan, Tim R, Öhman, Marcus C, Polunin, Nicholas V.C, Wilson, Shaun K

“…Ecology Letters (2011) 14: 341-348 ABSTRACT: With rapidly increasing rates of contemporary extinction, predicting extinction vulnerability and identifying how…”
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Flying to the moon: Lunar cycle influences trip duration and nocturnal foraging behavior of the wedge-tailed shearwater Ardenna pacifica by Ravache, Andreas, Bourgeois, Karen, Thibault, Martin, Dromzée, Sylvain, Weimerskirch, Henri, de Grissac, Sophie, Prudor, Aurélien, Lorrain, Anne, Menkes, Christophe, Allain, Valérie, Bustamante, Paco, Letourneur, Yves, Vidal, Éric

“…Lunar phase and illumination are known to affect nocturnal behavior of many organisms, particularly through predator-prey interactions. Visual predators can…”
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Phylogeny, body morphology, and trophic level shape intestinal traits in coral reef fishes by Ghilardi, Mattia, Schiettekatte, Nina M. D., Casey, Jordan M., Brandl, Simon J., Degregori, Samuel, Mercière, Alexandre, Morat, Fabien, Letourneur, Yves, Bejarano, Sonia, Parravicini, Valeriano

“…Trait‐based approaches are increasingly used to study species assemblages and understand ecosystem functioning. The strength of these approaches lies in the…”
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Climate warming, marine protected areas and the ocean-scale integrity of coral reef ecosystems by Graham, Nicholas A J, McClanahan, Tim R, MacNeil, M Aaron, Wilson, Shaun K, Polunin, Nicholas V C, Jennings, Simon, Chabanet, Pascale, Clark, Susan, Spalding, Mark D, Letourneur, Yves, Bigot, Lionel, Galzin, René, Ohman, Marcus C, Garpe, Kajsa C, Edwards, Alasdair J, Sheppard, Charles R C

“…Coral reefs have emerged as one of the ecosystems most vulnerable to climate variation and change. While the contribution of a warming climate to the loss of…”
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Fishers' perceptions as indicators of the performance of Marine Protected Areas (MPAs) by Leleu, Kevin, Alban, Frédérique, Pelletier, Dominique, Charbonnel, Eric, Letourneur, Yves, Boudouresque, Charles F.

“…How users perceive the performance of Marine Protected Areas (MPAs) is fundamental for the social acceptance of these zones. Moreover, their perceptions may be…”
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Assimilation of shrimp farm sediment by Holothuria scabra: a coupled fatty acid and stable isotope approach by Mathieu-Resuge Margaux, Le Grand Fabienne, Schaal Gauthier, Kraffe Edouard, Lorrain Anne, Letourneur Yves, Lemonnier Hugues, Benoît Julie, Hochard Sébastien

“…Deposit-feeding sea cucumbers are efficient nutrient recyclers and have the potential to contribute to the limitation of organic matter load in polyculture or…”
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The great melting pot. Common sole population connectivity assessed by otolith and water fingerprints by Morat, Fabien, Letourneur, Yves, Dierking, Jan, Pécheyran, Christophe, Bareille, Gilles, Blamart, Dominique, Harmelin-Vivien, Mireille

“…Quantifying the scale and importance of individual dispersion between populations and life stages is a key challenge in marine ecology. The common sole (Solea…”
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Individual back-calculated size-at-age based on otoliths from Pacific coral reef fish species by Morat, Fabien, Wicquart, Jérémy, Schiettekatte, Nina M. D., de Sinéty, Guillemette, Bienvenu, Jean, Casey, Jordan M., Brandl, Simon J., Vii, Jason, Carlot, Jérémy, Degregori, Samuel, Mercière, Alexandre, Fey, Pauline, Galzin, René, Letourneur, Yves, Sasal, Pierre, Parravicini, Valeriano

“…Somatic growth is a critical biological trait for organismal, population, and ecosystem-level processes. Due to its direct link with energetic demands, growth…”
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Complex food webs in highly diversified coral reefs: Insights from δ13C and δ15N stable isotopes by Briand, Marine J., Bonnet, Xavier, Guillou, Gaël, Letourneur, Yves

“…We studied the trophic network architecture of the coral reef ecosystem of the New Caledonian lagoon. To encompass the main tropic levels, we assayed carbon…”
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Global and New Caledonian patterns of population genetic variation in the deep-sea splendid alfonsino, Beryx splendens, inferred from mtDNA by Lévy-Hartmann, Lauriana, Roussel, Valérie, Letourneur, Yves, Sellos, Daniel Y

“…Splendid alfonsino Beryx splendens is a commercial species in several countries, but is not currently exploited in New Caledonia. Information on species…”
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Preliminary indication of ontogenetic and spatial variations in the whole otolith isotopic and elemental signatures of Solea solea in the Gulf of Lions (NW Mediterranean) by Morat, Fabien, Lecomte-Finiger, Raymonde, Blamart, Dominique, Robert, Michel, Letourneur, Yves

“…Knowledge of fish life cycles is important for exploited species. In the Mediterranean Sea, catches of common sole (Solea solea) have fluctuated widely since…”
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