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Poster (Scientific congresses and symposiums)
Calcification and transparent exopolymer particles (TEP) production in batch cultures of Emiliania huxleyi exposed to different pCO2
De Bodt, Caroline; d'Hoop, Quentin; Harlay, Jérôme et al.
2007 • SOLAS Open Science Conference 2007
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https://hdl.handle.net/2268/80967
 

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Abstract :
[en] Ehux growth, calcification and related processes are sensitive to changes in initial pCO2. Our results show that the development of the Ehux cultures is delayed with increasing initial pCO2. TEP accumulate until the end of the experiment and are enhanced after nutrient exhaustion. TEP contribute significantly to POC concentrations after the exponential growth phase. The very good correlation between TEP and calcite concentrations suggests that the calcification acts as a potential source of TEP in coccolithophore blooms. Finally, an Ωcalcite of 3 seems to be necessary for Ehux to calcify.
Disciplines :
Environmental sciences & ecology
Aquatic sciences & oceanology
Author, co-author :
De Bodt, Caroline;  Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
d'Hoop, Quentin;  Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
Harlay, Jérôme ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique
Chou, Lei;  Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
Language :
English
Title :
Calcification and transparent exopolymer particles (TEP) production in batch cultures of Emiliania huxleyi exposed to different pCO2
Publication date :
06 March 2007
Event name :
SOLAS Open Science Conference 2007
Event organizer :
http://solas-int.org/
Event place :
Xiamen, China
Event date :
6-9 March 2007
Audience :
International
Available on ORBi :
since 05 January 2011

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