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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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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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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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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
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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
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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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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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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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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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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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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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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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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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Net and gross incorporation of nitrogen by marine copepods fed on 15N labelled diatoms: methodology and trophic studies
Dorothée Vincent
,
G. Slawyk
,
Stéphane L'Helguen
,
Géraldine Sarthou
,
Morgane Gallinari
,
et al.
Journal of Experimental Marine Biology and Ecology, 2007, 352, pp.295-305
Article dans une revue
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Role of small Rhizaria and diatoms in the pelagic silica production of the Southern Ocean
Natalia Llopis Monferrer
,
Aude Leynaert
,
Paul Tréguer
,
Andrés Gutiérrez-Rodríguez
,
Mikel Latasa
,
et al.
Article dans une revue
hal-03213360v1
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Carbon and nitrogen content to biovolume relationships for marine protist of the Rhizaria lineage (Radiolaria and Phaeodaria)
Joost Samir Mansour
,
Andreas Norlin
,
Natalia Llopis Monferrer
,
Stéphane L'Helguen
,
Fabrice Not
Article dans une revue
hal-03190242v1
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Ammonium assimilation and regeneration by size-fractionated plankton in permanently well-mixed temperate waters
P Lecorre
,
M Wafar
,
Stéphane L'Helguen
,
Jean-François Maguer
Article dans une revue
istex
hal-02315184v1
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Inhibition kinetics of nitrate uptake by ammonium in size-fractionated oceanic phytoplankton communities: implications for new production and f-ratio estimates (vol 30, pg 1179, 2008)
Stéphane L'Helguen
,
Jean-François Maguer
,
Julien Caradec
Article dans une revue
hal-02315171v1
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Saharan dust: a source of bioavailable iron for the marine unicellular diazotrophic cyanobacterium C. watsonii
Violaine Jacq
,
Céline Ridame
,
Fanny Kaczmar
,
Stéphane L'Helguen
,
Alain Saliot
DUST 2014 ‘International conference on atmopsheric dust’, Jun 2014, Castellaneta Marina, Italy
Communication dans un congrès
hal-01139716v1
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Impact of iron limitation on primary production (dissolved and particulate) and secondary production in cultured Trichodesmium sp.
Emma J. Rochelle-Newall
,
Céline Ridame
,
Céline Dimier-Hugueney
,
Stéphane L'Helguen
Article dans une revue
hal-01023225v1
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Response of a phytoplankton community to increased nutrient inputs: A mesocosm experiment in the Bay of Brest (France)
Pierre Fouillaron
,
Pascal Claquin
,
Stéphane L'Helguen
,
P. Huonnic
,
V. Martin-Jézéquel
,
et al.
Article dans une revue
istex
hal-00472047v1
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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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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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