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Phytoplankton in the Bay of Seine (France). Influence of the river plume on primary productivity.
C Videau
,
M Ryckaert
,
Stéphane L'Helguen
Article dans une revue
hal-02315182v1
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Barium and molybdenum records in bivalve shells: Geochemical proxies for phytoplankton dynamics in coastal environments?
Julien Thébault
,
Laurent Chauvaud
,
Stéphane L'Helguen
,
Jacques Clavier
,
Aurélie Barats
,
et al.
Article dans une revue
hal-00449364v1
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Quorum Sensing Regulates Bacterial Processes That Play a Major Role in Marine Biogeochemical Cycles
Marion Urvoy
,
Claire Labry
,
Stéphane l'Helguen
,
Raphaël Lami
Article dans une revue
hal-03813925v1
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Correction: Response of the Unicellular Diazotrophic Cyanobacterium Crocosphaera watsonii to Iron Limitation (vol 9, e86749, 2014)
Violaine Jacq
,
Céline Ridame
,
Stéphane L'Helguen
,
Fanny Kaczmar
,
Alain Saliot
Article dans une revue
hal-02315169v1
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Seasonal patterns of ammonium regeneration from size-fractionated microheterotrophs
Jean-François Maguer
,
Stéphane L'Helguen
,
C Madec
,
P Le Corre
Article dans une revue
istex
hal-02315180v1
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Nitrogen dynamics in coastal systems: coastal system with strong vertical mixing
Stéphane L'Helguen
,
Jean-François Maguer
,
C Madec
,
P Le Corre
BIOGEOCHIMIE MARINE, Dec 2002, 195 RUE SAINT-JACQUES, 75005 PARIS, France. pp.661-686
Communication dans un congrès
hal-02315177v1
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On the presence of a cadmium-rich subsurface water mass in the western Mediterranean and its influence on the distribution of cadmium in the surface waters
Ricardo D. Riso
,
P Le Corre
,
Stéphane L'Helguen
,
P Morin
Article dans une revue
istex
hal-02315175v1
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Quantitative determination of particulate organic N and C in marine phytoplankton samples using mass spectrometer signals from isotope ratio analyses in N-15 tracer and C-13 tracer studies
G Slawyk
,
Stéphane L'Helguen
,
Y Collos
,
H Freije
Article dans une revue
istex
hal-02315191v1
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RECOVERY OF UREA NITROGEN FROM SEAWATER FOR MEASUREMENT OF N-15 ABUNDANCE IN UREA REGENERATION STUDIES USING THE ISOTOPE-DILUTION APPROACH
G Slawyk
,
P Raimbault
,
Stéphane L'Helguen
Article dans une revue
istex
hal-02315190v1
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Inorganic and organic carbon and nitrogen uptake strategies of picoplankton groups in the northwestern Atlantic Ocean
Hugo Berthelot
,
Solange Duhamel
,
Stéphane L'Helguen
,
Jean‐françois Maguer
,
Nicolas Cassar
Article dans une revue
hal-03827246v1
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NanoSIMS single cell analyses reveal the contrasting nitrogen sources for small phytoplankton
Hugo Berthelot
,
Solange Duhamel
,
Stéphane L'Helguen
,
Jean-François Maguer
,
Seaver Wang
,
et al.
Article dans une revue
hal-02315056v1
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Strong stimulation of N2 fixation in oligotrophic Mediterranean Sea: results from dust addition in large in situ mesocosms
Céline Ridame
,
Cécile Guieu
,
Stéphane L'Helguen
Article dans une revue
hal-00952675v1
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Potential effects of deep seawater discharge by an Ocean Thermal Energy Conversion plant on the marine microorganisms in oligotrophic waters
Mélanie Giraud
,
Véronique Garçon
,
Denis de La Broise
,
Joël Sudre
,
Stéphane L'Helguen
,
et al.
Article dans une revue
hal-02337618v1
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Quorum sensing disruption regulates hydrolytic enzyme and biofilm production in estuarine bacteria
Marion Urvoy
,
Raphaël Lami
,
Catherine Dreanno
,
David Daudé
,
Alice M S Rodrigues
,
et al.
Article dans une revue
hal-03814177v1
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Nitrogen uptake and assimilation kinetics in Alexandrium minutum (Dynophyceae): effect of N-limited growth rate on nitrate and ammonium interactions
Jean-François Maguer
,
Stéphane L'Helguen
,
Christian Madec
,
Claire Labry
,
Pierre Le Corre
Article dans une revue
istex
hal-00633672v1
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Size-dependent uptake of nitrate and ammonium as a function of light in well-mixed temperate coastal waters
Jean-François Maguer
,
Stéphane L'Helguen
,
Julien Caradec
,
Cécile Klein
Article dans une revue
hal-00636263v1
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NITROGEN NUTRITION OF THE PHYTOPLANKTON IN THE WELL-MIXED WATERS OF THE WESTERN ENGLISH-CHANNEL
Stéphane L'Helguen
,
C Madec
,
P Lecorre
Oceanologica Acta, 1993, 16 (5-6), pp.653-660
Article dans une revue
hal-02315188v1
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Tracing the fate of seabird‐derived nitrogen in a coral reef using nitrate and coral skeleton nitrogen isotopes
Noémie Choisnard
,
Nicolas Noel Duprey
,
Tanja Wald
,
Martin Thibault
,
Fanny Houlbrèque
,
et al.
Article dans une revue
hal-04534004v1
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Quorum Sensing Regulates the Hydrolytic Enzyme Production and Community Composition of Heterotrophic Bacteria in Coastal Waters
Marion Urvoy
,
Raphaël Lami
,
Catherine Dreanno
,
Daniel Delmas
,
Stéphane L'Helguen
,
et al.
Article dans une revue
hal-03510738v1
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Microbial enzymatic assays in environmental water samples: Impact of inner filter effect and substrate concentrations
Marion Urvoy
,
Claire Labry
,
Daniel Delmas
,
Layla Creac'H
,
Stéphane L'Helguen
Article dans une revue
hal-02989835v1
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Data quality control considerations in multivariate environmental monitoring: experience of the French coastal network SOMLIT
Elsa Breton
,
Nicolas Savoye
,
Peggy Rimmelin-Maury
,
Benoit Sautour
,
Eric Goberville
,
et al.
Article dans une revue
hal-04083118v1
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Effects of mixing-induced irradiance fluctuations on nitrogen uptake in size-fractionated coastal phytoplankton communities
Jean-François Maguer
,
Stéphane L'Helguen
,
Matthieu Waeles
Article dans une revue
hal-01102866v1
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Nitrogen uptake in permanently well-mixed temperate coastal waters
Stéphane L'Helguen
,
C Madec
,
P Lecorre
Article dans une revue
istex
hal-02315183v1
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New and regenerated production in the Almeria-Oran front area, eastern Alboran Sea
Stéphane L'Helguen
,
P Le Corre
,
C Madec
,
P Morin
Article dans une revue
istex
hal-02315178v1
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F-ratios calculated with and without urea uptake in nitrogen uptake by phytoplankton
Mvm Wafar
,
P Lecorre
,
Stéphane L'Helguen
Article dans une revue
istex
hal-02315185v1
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Seasonal patterns of urea regeneration by size-fractionated microheterotrophs in well-mixed temperate coastal waters
Stéphane L'Helguen
,
G Slawyk
,
P Le Corre
Article dans une revue
hal-02315172v1
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Uptake and regeneration of nitrogen in the well-mixed waters of the English Channel: new and regenerated productions.
Jean-François Maguer
,
Stéphane L'Helguen
,
C Madec
,
P Le Corre
Article dans une revue
hal-02315181v1
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Large and local-scale influences on physical and chemical characteristics of coastal waters of Western Europe during winter
Paul Tréguer
,
Eric Goberville
,
Nicolas Barrier
,
Stéphane L'Helguen
,
Pascal Morin
,
et al.
Article dans une revue
hal-02330574v1
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The biogeochemistry of cobalt in the Mediterranean Sea
Gabriel Dulaquais
,
Hélène Planquette
,
Stéphane L'Helguen
,
Micha J A Rijkenberg
,
Marie Boye
Article dans une revue
hal-02332035v1
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Nutrient control of N2 fixation in the oligotrophic Mediterranean Sea and the impact of Saharan dust events
Céline Ridame
,
M. Le Moal
,
Cécile Guieu
,
E. Ternon
,
Isabelle C. Biegala
,
et al.
Article dans une revue
hal-00674600v1
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