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Article

Borchard, C. , Borges, A. V. , Händel, N. and Engel, A. (2011)
Biogeochemical response of Emiliania huxleyi (PML 92/11) to elevated CO2 and temperature under phosphorous limitation: a chemostat study ,

Journal of Experimental Marine Biology and Ecology, (410), pp. 61-71 .

hdl:10013/epic.43394

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Article

Piontek, J. , Lunau, M. , Händel, N. , Borchard, C. , Wurst, M. and Engel, A. (2010)
Acidification increases microbial polysaccharide degradation in the ocean ,

Biogeosciences, 71624., 1615 .

hdl:10013/epic.35262

Article

Engel, A. , Händel, N. , Wohlers, J. , Lunau, M. , Grossart, H. P. , Sommer, U. and Riebesell, U. (2010)
Effects of sea surface warming on the production and composition of dissolved organic matter during phytoplankton blooms: Results from a mesocosm study ,

Journal of Plankton Research .

doi:10.1093/plankt/fbq122 , hdl:10013/epic.36120

Conference -Talk

Piontek, J. , Händel, N. , Sperling, M. , Riebesell, U. and Engel, A. (2010)
Effects of rising seawater CO2 on the bacterial turnover of organic matter in temperate marine systems ,

13th ISME Symposium, Seattle. .

hdl:10013/epic.35849

Conference -Talk

Peeken, I.

, Nöthig, E. M.

, Bauerfeind, E. , Bracher, A.

, Engel, A. , Metfies, K.

, Niehoff, B. , Okolodkov, Y. , Gäbler-Schwarz, S. , Kilias, E. , Kuckero, L. , Schwarz, J. N. , Wurst, M. , Händel, N. , Lorenzen, C. and Murawski, S. (2010)
Plankton Ecology and Biogeochemistry in a Changing Arctic Ocean (PEBCAO) ,

International Polar Year Oslo science conference, 8-12 June, Norway. .

hdl:10013/epic.35862

Conference -Poster

Wurst, M. , Händel, N. , Nöthig, E. M.

, Bathmann, U. and Engel, A. (2010)
Effects of temperature and CO2 on organic matter production and aggregation in Arctic ecosystems ,

International Polar Year Oslo science conference, 8-12 June, Norway. .

hdl:10013/epic.35884

Conference -Poster

Wurst, M. , Händel, N. , Nöthig, E. M.

and Engel, A. (2010)
Potential effects of sea surface warming and acidification on the aggregation of extracellular organic matter in Arctic ecosystems ,

13th International Symposium on Microbial Ecology, 22 - 27 August, Seattle, USA. .

hdl:10013/epic.35885

Conference -Poster

Wurst, M. , Händel, N. , Nöthig, E. M.

and Engel, A. (2010)
Potential Effects of Sea Surface Warming and Acidification on the Aggregation of Extracellular Organic Matter in Arctic Ecosystems ,

Joint EPOCA, BIOACID and UKOARP meeting, 27 - 30 September, Bremerhaven, Germany. .

hdl:10013/epic.36152

Article

Piontek, J. , Händel, N. , Langer, G. , Wohlers, J. , Riebesell, U. and Engel, A. (2009)
Effects of rising temperature on the formation and microbial degradation of marine diatom aggregates ,

Aquatic Microbial Ecology:, 54 , pp. 305-318 .

doi:10.3354/ame01273 , hdl:10013/epic.32447

Conference -Poster

Händel, N. , Piontek, J. , Harlay, J. , de Bodt, C. , Chou, L. and Engel, A. (2009)
Dynamics of polysaccharides and transparent exopolymer particles during a coccolithophore bloom in the Bay of Biscay ,

ASLO, Aquatic Sciences Meeting 2009, Nice. .

hdl:10013/epic.31840

Conference -Talk

Borchard, C. , Händel, N. , Borges, A. V. and Engel, A. (2009)
A new chemostat system to investigate combined temperature and CO2 effects on marine phytoplankton species ,

ASLO, Aquatic Sciences Meeting 2009, Nice, France. .

hdl:10013/epic.31876

Conference -Poster

Piontek, J. , Händel, N. , Borchard, C. , Lunau, M. , Chou, L. and Engel, A. (2009)
The significance of bacterial polysaccharide degradation for carbon export, today and in the future ocean ,

ASLO Conference, NiceJanuary .

hdl:10013/epic.31903

Conference -Poster

Chou, L. , Harlay, J. , De Bodt, C. , Roevros, N. , Borges, A. V. , Suykens, K. , Delille, B. , Sabbe, K. , Van Oostende, N. , Engel, A. , Piontek, J. , Borchard, C. , Händel, N. and Groom, S. (2009)
Role of pelagic calcification and export of carbonate production in climate change ,

SOLAS Open Science Conference, Barcelona .

hdl:10013/epic.34355

Conference -Talk

Piontek, J. , Borchard, C. , Händel, N. and Engel, A. (2008)
Effects of rising CO2 on microbial degradation of organic matter derived from coccolithophores ,

PEACE annual workshop, February 2008, Brussels. .

hdl:10013/epic.30157

Conference -Talk

Borchard, C. , Piontek, J. , Händel, N. and Engel, A. (2008)
Investigating the combined effect of pCO2 and temperature on Emiliania huxleyi using a chemostat system ,

PEACE annual workshop, February 2008, Brussels. .

hdl:10013/epic.30161

Conference -Poster

Händel, N. , Piontek, J. , Wohlers, J. , Riebesell, U. and Engel, A. (2008)
Dynamics of dissolved neutral and acidic sugars in seawater ,

Ocean Science Meeting, March 2-7, 2008, Orlando, Florida.. .

hdl:10013/epic.30206

Conference -Poster

Engel, A. , Händel, N. , Grossart, H. P. , Wohlers, J. and Riebesell, U. (2008)
Effects of increasing temperature on the production and molecular composition of dissolved organic matter during an indoor-mesocosm experiment ,

DGL, Jahrestagung 2008, Konstanz. .

hdl:10013/epic.31239

Conference -Poster

Chou, L. , Harlay, J. , De Bodt, C. , Roevros, N. , Borges, A. V. , Suykens, K. , Delille, B. , Sabbe, K. , Van Oostende, N. , Engel, A. , Piontek, J. , Borchard, C. , Händel, N. , Schmidt, S. and Groom, S. (2008)
BIOGEOCHEMICAL INVESTIGATIONS OF COCCOLITHOPHORE BLOOMS ALONG THE CONTENTAL MARGIN OF THE NORTHERN BAY OF BISCAY: HIGHLIGHTS OF THE PEACE PROJECT ,

Second International Symposium on the Ocean in a High CO2 World, Monaco. .

hdl:10013/epic.31241

Conference -Poster

Piontek, J. , Händel, N. , Lunau, M. , Borchard, C. and Engel, A. (2008)
Effects of ocean acidification on the bacterial degradation of organic matter ,

Second International Symposium on the ocean in a high-CO2 world, October 6-9, 2008, Monaco. .

hdl:10013/epic.31275

Conference -Talk

Chou, L. , Harlay, J. , De Bodt, C. , Roevros, N. , Borges, A. V. , Suykens, K. , Delille, B. , Sabbe, K. , Van Oostende, N. , Engel, A. , Piontek, J. , Händel, N. , Groom, S. and Schmidt, S. (2008)
Biogeochemistry of Coccolithophore Blooms along the Continental Margin of the Northern Bay of Biscay. ,

Eur-Oceans Final Meeting, RomeNovember 2008. .

hdl:10013/epic.32409

Conference -Talk

Piontek, J. , Händel, N. and Engel, A. (2007)
Effects of rising temperature and pCO2 on bacterial degradation processes in marine systems ,

European Geosciences Union, General Assembly 2007, Vienna.-20.4.2007. .

hdl:10013/epic.26808

Conference -Talk

Koch, S. , Händel, N. , Wirtz, K. and Engel, A. (2007)
Testing the effects of pCO2 on the coccolithophore Emiliania huxleyi during different growth stages ,

European Geosciences Union, General Assembly 2007, Vienna.-20.4.2007. .

hdl:10013/epic.26814

Conference -Talk

Piontek, J. , Händel, N. , Lunau, M. and Engel, A. (2007)
Investigating the effects of changing CO2 concentration on a natural marine plankton community using a chemostat system ,

International Union of Geodesy and Geophysics, General Assembly, Perugia, July 2-13 .

hdl:10013/epic.26958

Conference -Talk

Lunau, M. , Koch, S. , Piontek, J. , Händel, N. and Engel, A. (2007)
Investigating the effects of changes in CO2 concentration on marine plankton dynamics with batch and chemostat systems ,

42nd EMBS, August 27-31 2007, Kiel, Germany .

hdl:10013/epic.27651

Conference -Poster

Piontek, J. , Lunau, M. , Händel, N. , Jansen, S. , Neu, T. and Engel, A. (2007)
Effects of rising temperature and decreasing pH on degradation activity of marine bacterioplankton ,

10th Symposium on Aquatic Microbial Ecology, September 2-7 2007, Faro, Portugal. .

hdl:10013/epic.27689

Conference -Talk

Piontek, J. , Händel, N. and Engel, A. (2007)
Effects of temperature on the microbial decomposition of particle aggregates in the ocean ,

42nd European Marine Biology Symposium, August 27-31 2007, Kiel, Germany. .

hdl:10013/epic.27690

Conference -Poster

Piontek, J. , Langer, G. , Händel, N. , Riebesell, U. , Wohlers, J. and Engel, A. (2006)
Effects of rising temperature on the decomposition of phytoplankton aggregates ,

3rd AQUASHIFT workshop, 14.-16.11.2006, Kiel. .

hdl:10013/epic.25955

Conference -Poster

Piontek, J. , Langer, G. , Händel, N. , Riebesell, U. and Engel, A. (2006)
Effects of rising temperature on the microbial decomposition of sinking organic material in the surface ocean ,

ESSP Global Change Open Science Conference, 9.-12.11.2006, Beijing, China. .

hdl:10013/epic.26013

Conference -Poster

Engel, A. , Langer, G. , Piontek, J. , Händel, N. and Szlosek, J. (2005)
Wie verändert sich die Biogeochemie des Ozeans im Anthropozaen? ,

Wissenswerte, 28.-30.11.2005, Bremen, Germany. .

hdl:10013/epic.24959