La Tour du Valat

Article

Respiration and Calcification of Crassostrea gigas: Contribution of an Intertidal Invasive Species to Coastal Ecosystem CO2 Fluxes

Morgane Lejart, Auteur ; Jacques Clavier, Auteur ; Laurent Chauvaud, Auteur ; Christian Hily, Auteur

Dans Estuaries and Coasts (35(2) MAR 2012)

Respiration and calcification rates of the Pacific oyster Crassostrea gigas were measured in a laboratory experiment in the air and underwater, accounting for seasonal variations and individual size, to estimate the effects of this exotic specie[...]

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Spatial Variability of Stable Isotope Ratios in Oysters (Crassostrea gigas) and Primary Producers Along an Estuarine Gradient (Bay of Brest, France)

Violette Marchais, Auteur ; Gauthier Schaal, Auteur ; Jacques Grall, Auteur ; Anne Lorrain, Auteur ; Caroline Nerot, Auteur ; Pierre Richard, Auteur ; Laurent Chauvaud, Auteur

Dans Estuaries and Coasts (36(4) JUL 2013)

This study aimed at characterizing the diet of the oyster Crassostrea gigas along an estuarine gradient in the Bay of Brest (France), through stable isotope (delta C-13 and delta N-15) measurements in primary producers and wild oysters. The cont[...]

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Article

What's Hiding Behind Ontogenetic delta(13)C Variations in Mollusk Shells? New Insights from the Great Scallop (Pecten maximus)

Laurent Chauvaud, Auteur ; Julien Thebault, Auteur ; Jacques Clavier, Auteur ; Anne Lorrain, Auteur ; Oivind Strand, Auteur

Dans Estuaries and Coasts (34(2) MAR 2011)

Mollusk shells contain geochemical information about environmental conditions that prevailed at the time of formation. We investigated ontogenetic and seasonal variations of delta(13)C in calcitic shells of Pecten maximus. Ontogenetic variations[...]

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