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Oral Programme BG3.1

BG3.1

Ocean acidification and its impact on marine ecosystems in the context of climate change (including Vladimir Ivanovich Vernadsky Medal Lecture)
Convener: Jean-Pierre Gattuso  | Co-Conveners: Patrizia Ziveri , Markus Weinbauer 
Oral Programme
 / Wed, 06 Apr, 10:30–12:00  / 13:30–17:00  / Room 23
Poster Programme
 / Attendance Wed, 06 Apr, 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30  / Poster Area BG
<table class="mo_scheduling_string" style="border-collapse: collapse; clear:left;"><tr><td style="vertical-align: top;"><span class="apl_addon_standard_action_link" style="text-decoration: none;">Poster Summaries & Discussions</span>:&nbsp;<a href="https://meetingorganizer.copernicus.org/EGU2011/session/8616" target="_blank" title="Open PSD136 Details" style="clear:left;">PSD136</a> &nbsp;/ <span class="mo_scheduling_string_time">Wed, 06 Apr, 09:30</span><span class="mo_scheduling_string_time">&ndash;10:15</span> &nbsp;/ <span class="mo_scheduling_string_place" title=""></span> &nbsp;</td></tr></table>

Wednesday, 6 April 2011
Room 23
Chairperson: Patrizia Ziveri
Ocean acidification and warming in the Mediterranean Sea

10:30–10:45 EGU2011-7712
Distribution of anthropogenic CO2 and acidification levels in the Eastern Mediterranean Sea - Comparison of two approaches (withdrawn)
Evangelia Krasakopoulou, Ekaterini Souvermezoglou, and Catherine Goyet
10:45–11:00
EGU2011-720
Simulation of anthropogenic CO2 uptake in the Mediterranean sea with the NEMO-MED12 model; Impact on water masses acidification.
Julien Palmiéri, Jean-Claude Dutay, Jonathan Beuvier, Karine Béranger, and James Orr
11:00–11:15
EGU2011-10947
Long-term effects of elevated pCO2 and temperature on prokaryotic community composition in mesopelagic waters of the NW Mediterranean Sea
Chiaki Motegi, Jinwen Liu, Conny Maier, Maria-Luiza Pedrotti, Minhan Dai, Jean-Pierre Gattuso, and Markus Weinbauer
11:15–11:30
EGU2011-2472
Response of pteropods and foraminifera to changing pCO2 and pH: Examples from the Mediterranean Sea
Malcolm Hart, Bruna Dias, Deborah Wall-Palmer, Christopher Smart, and Jason Hall-Spencer
11:30–11:45
EGU2011-12080
Population dynamics of suspension feeders structuring the Mediterranean rocky shores: simulations of possible scenarios based on mortality events of 1999 and 2003.
Lorenzo Bramanti, Silvia Cocito, Roberta Cupido, Cristina Priori, Mimmo Iannelli, and Giovanni Santangelo
11:45–12:00
EGU2011-10396
Climate-driven episodic events in the continental margins of the Mediterranean Sea and their effects on deep-sea ecosystems
Roberto Danovaro, Antoni Calafat, Miquel Canals, Antonio Dell'Anno, Xavier Durrieu De Madron, Serge Heussner, Marianna Mea, and Antonio Pusceddu
LUNCH BREAK
Ocean acidification and warming in polar seas

13:30–13:45
EGU2011-8166
Organic matter dynamics and CO2 responses of the 2010 Svalbard mesocosm experiment
Kai G. Schulz, Richard. G. J. Bellerby, Anja Engel, Jean-Pierre Gattuso, Dag O. Hessen, Signe Klavsen, Sebastian A. Krug, Gisle Nondal, Anna Silyakova, and Ulf Riebesell and the KOSMOS
13:45–14:00
EGU2011-9113
Effect of ocean acidification on an Arctic phytoplankton community
Signe Klavsen, Richard Bellerby, Corina Brussaard, Susan Kimmance, Michael Meyerhöfer, Kai Georg Schulz, and Ulf Riebesell
14:00–14:15
EGU2011-7094 | presentation
Arctic ecosystem net community production response to increasing ocean acidification
Anna Silyakova, Richard Bellerby, Gisle Nondal, Tor De Lange, Jan Czerny, and Kerstin Nachtigall
14:15–14:30
EGU2011-3585
Carbon fluxes in Arctic plankton communities under elevated CO2 levels: a stable isotope labelling study
Anna de Kluijver, Karline Soetaert, Ulf Riebesell, and Jack J. Middelburg
14:30–14:45
EGU2011-12647
Response of an arctic ammonia oxidising community to increased pCO2
Karen Tait, Bonnie Laverock, and Stephen Widdicombe
14:45–15:00
EGU2011-8568
Synergistic effects of ocean acidification and feeding history on energy demand in an Antarctic pteropod, Limacina helicina
Brad Seibel and Amy Maas
COFFEE BREAK
15:30–15:45
EGU2011-6391
Impact of ocean acidification and elevated temperatures on early juveniles of the sub-polar shelled pteropod \textit{Limacina helicina} (Thecosomata): mortality, shell growth and shell degradation
Silke Lischka, Jan Büdenbender, Tim Boxhammer, and Ulf Riebesell
15:45–16:00
EGU2011-13827
The synergistic effects of increasing temperature and CO2 levels on the righting response and acid-base-balance of Hyas araneus
Zora M. C. Zittier, Timo Hirse, and Hans-Otto Pörtner
Vernadsky Medal Lecture

16:00–17:00
EGU2011-14178
Impacts of ocean change on marine pelagic ecosystems and biogeochemistry (Vladimir Ivanovich Vernadsky Medal Lecture)
Ulf Riebesell