Search Results - "SYLVAIN RIGAUD"

Renewal of planktonic foraminifera diversity after the Cretaceous Paleogene mass extinction by benthic colonizers by Morard, Raphaël, Hassenrück, Christiane, Greco, Mattia, Fernandez-Guerra, Antonio, Rigaud, Sylvain, Douady, Christophe J., Kucera, Michal

“…The biotic crisis following the end-Cretaceous asteroid impact resulted in a dramatic renewal of pelagic biodiversity. Considering the severe and immediate…”
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Geochemical characterization data of harbors dredged sediments in the Occitanie region (southern France) by Dorleon, Garry, Techer, Isabelle, Rigaud, Sylvain

“…Over the last 15 years, numerous analyses of sediment from the Mediterranean harbors of Occitanie (Southern France) has been made before dredging operations in…”
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New Robertinid Foraminifers from the Early Jurassic of Adnet, Austria and Their Evolutionary Importance by Rigaud, Sylvain, Blau, Joachim

“…New benthic multichambered foraminifers have been discovered in the Hettangian—Sinemurian of the Northern Calcareous Alps (Adnet, Salzburg, Austria)…”
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Mobility and fluxes of trace elements and nutrients at the sediment–water interface of a lagoon under contrasting water column oxygenation conditions by Rigaud, Sylvain, Radakovitch, Olivier, Couture, Raoul-Marie, Deflandre, Bruno, Cossa, Daniel, Garnier, Cédric, Garnier, Jean-Marie

“…► Main constituents and trace elements concentration profiles in contaminated sediments. ► Contrasting oxygen concentrations in the overlying water column. ►…”
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OSTRACODS FROM THE LATE TRIASSIC (NORIAN) OF YUKON, CANADA: NEW TAXONOMIC AND PALAEOBIOGEOGRAPHIC INSIGHTS by FOREL, MARIE-BÉATRICE, DEL PIERO, NICOLO', RIGAUD, SYLVAIN, MARTINI, ROSSANA

“…The present work investigates the significance of Late Triassic ostracods from the Yukon Territory, Canada, and adds to the scientific knowledge of the…”
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New lineage of Triassic aragonitic Foraminifera and reassessment of the class Nodosariata by Rigaud, Sylvain, Vachard, Daniel, Schlagintweit, Felix, Martini, Rossana

“…The new, atypical aragonitic foraminifer Tubulastella comans gen. et sp. nov. is described from the Late Triassic of Panthalassa (Wallowa terrane, north-east…”
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Agglutinated versus microgranular foraminifers: end of a paradigm? by Rigaud, Sylvain, Vachard, Daniel, Martini, Rossana

“…Large benthic agglutinated foraminifers possess subepidermal wall textures similar to the keriothecal textures observed in some Fusulinana. Considering the gap…”
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UPPER TRIASSIC CALCAREOUS ALGAE FROM THE PANTHALASSA OCEAN by IOAN I. BUCUR, SYLVAIN RIGAUD, NICOLÒ DEL PIERO, ANDREA FUCELLI, ERIC HEERWAGEN, CAMILLE PEYBERNES, GIOVAN PEYROTTY, CHRISTIAN VERARD, JÉRÔME CHABLAIS, ROSSANA MARTINI

“…Upper Triassic calcareous algae, abundant and well-diversified in Tethyan deposits, have rarely been described in rocks of Panthalassan origin. Over the past…”
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First observations of seasonal bottom water deoxygenation off the Gironde estuary (Bay of Biscay, North East Atlantic) by Dubosq, Nicolas, Schmidt, Sabine, Sudre, Joël, Rigaud, Sylvain, Lamarque, Bastien, Danilo, Martin, Grémare, Antoine, Deflandre, Bruno

“…Although not systematically considered as oxygen minimum zones, River-dominated Ocean Margins are sensitive to oxygen depletions. For example, the continental…”
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Michaelis–Menten type equation for describing methylmercury dependence on inorganic mercury in aquatic sediments by Cossa, Daniel, Garnier, Cédric, Buscail, Roselyne, Elbaz-Poulichet, Francoise, Mikac, Nevenka, Patel-Sorrentino, Nathalie, Tessier, Erwan, Rigaud, Sylvain, Lenoble, Véronique, Gobeil, Charles

“…Methylation of mercury (Hg) is the crucial process that controls Hg biomagnification along the aquatic food chains. Aquatic sediments are of particular…”
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Upper Triassic Carbonate Records: Insights from the Most Complete Panthalassan Platform (Lime Peak, Yukon, Canada) by Del Piero, Nicolò, Rigaud, Sylvain, Peybernes, Camille, Forel, Marie-Beatrice, Farley, Nicholas, Martini, Rossana

“…Upper Triassic carbonate platforms from the Panthalassa Ocean remain less-understood and less-studied than their Tethyan equivalents. This imbalance is largely…”
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Impact of an exceptional winter flood on benthic oxygen and nutrient fluxes in a temperate macrotidal estuary: Potential consequences on summer deoxygenation by Hulot, Vivien, Metzger, Edouard, Thibault de Chanvalon, Aubin, Mouret, Aurelia, Schmidt, Sabine, Deflandre, Bruno, Rigaud, Sylvain, Beneteau, Eric, Savoye, Nicolas, Souchu, Philippe, Le Merrer, Yoann, Maillet, Grégoire M.

“…Despite 20 years of control on eutrophication, episodes of summer hypoxia still occur in the Loire estuary, impacting water quality and posing a key scientific…”
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Modeling the Influence of Eutrophication and Redox Conditions on Mercury Cycling at the Sediment-Water Interface in the Berre Lagoon by Pakhomova, Svetlana, Yakushev, Evgeniy, Protsenko, Elizaveta, Rigaud, Sylvain, Cossa, Daniel, Knoery, Joel, Couture, Raoul-Marie, Radakovitch, Olivier, Yakubov, Shamil, Krzeminska, Dominika, Newton, Alice

“…This study presents a specifically designed Mercury module in a coupled benthic-pelagic reactive-transport model - Bottom RedOx Model (BROM) that allows to…”
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Management of dredged marine sediments in Southern France: main keys to large-scale beneficial re-use by Dorleon, Garry, Rigaud, Sylvain, Techer, Isabelle

“…Fifty million cubic meters of marine sediments are dredged each year in France in order to maintain harbor activities and sustain the economy of littoral…”
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The foraminiferal genus Neotrocholina Reichel, 1955 and its less known relatives: A reappraisal by Rigaud, Sylvain, Schlagintweit, Felix, Bucur, Ioan I.

“…In the foraminiferal tree, the genus Neotrocholina Reichel, 1955 appears as an oddity. It is the only known post-Paleozoic enrolled tubular foraminifer with a…”
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Initiation of a reversal to uniseriality in the polymorphinid Nodocantabricus duplexmurus n. gen., n. sp.: A double-layered Foraminifera from the lower-middle Cenomanian of Cantabria, N-Spain by Rigaud, Sylvain, Schlagintweit, Felix

“…The new benthic foraminifer Nodocantabricus duplexmurus n. gen., n. sp. is introduced from the lower-lower middle Cenomanian of the Bielba and Altamira…”
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Foraminifera: did the first canal systems develop in Involutinida? by Rigaud, Sylvain, Consorti, Lorenzo, Granier, Bruno, Schlagintweit, Felix

“…Canal systems are advanced architectural features enabling the connection of various body regions via a network of passages. In Foraminifera, they enhance…”
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Biostratigraphic indices for Lower Jurassic carbonate-platform deposits (Perdido Group), Overthrust Terrane Association, Timor-Leste by Haig, David W., Rigaud, Sylvain, McCartain, Eujay, Nano, Jose, Barros, Isaias Santos, Martini, Rossana

“…•This is the oldest unit within allochthonous Overthrust Terrane Association (OTA).•Bahamian-type facies are represented with few macrofossils but distinct…”
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Recognition of upper Triassic temperate foraminiferal assemblages: Insights from the Khodz Group (NW Caucasus, Russia) by Gale, Luka, Rigaud, Sylvain, Gennari, Valerio, Blau, Joachim, Rettori, Roberto, Martini, Rossana, Gaetani, Maurizio

“…A more than 300 m thick succession of thick-bedded pink to grey limestone of the Norian – Rhaetian Khodz Group in the NW Caucasus serves to document the…”
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Upper Triassic carbonate-platform facies, Timor-Leste: Foraminiferal indices and regional tectonostratigraphic association by Haig, David W., Rigaud, Sylvain, McCartain, Eujay, Martini, Rossana, Barros, Isaias Santos, Brisbout, Lucy, Soares, Jacinto, Nano, Jose

“…Timor is part of the non-volcanic Outer Banda Arc with chaotic geology in the late Neogene collision zone between Sundaland (Southeast Eurasia) and the…”
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