Browse by AWI author ID

Article

Sperling, M. , Piontek, J. , Gerdts, G.

, Wichels, A.

, Schunk, H. , Roy, A. , La Roche, J. , Gilbert, J. , Nissimov, J. , Bittner, L. , Romac, S. , Riebesell, U. and Engel, A. (2013)
Effect of elevated CO2 on the dynamics of particle-attached and free-living bacterioplankton communities in an Arctic fjord ,

Biogeosciences, 10 , pp. 181-191 .

doi:10.5194/bg-10-181-2013 , hdl:10013/epic.40684

Article

Harlay, J. , Chou, L. , De Bodt, C. , Van Oostende, N. , Piontek, J. , Suykens, K. , Engel, A. , Sabbe, K. , Groom, S. , Delille, B. and Borges, A. V. (2010)
Biogeochemistry and carbon mass balance of a coccolithophore bloom in the northern Bay of Biscay (June 2006) ,

Deep Sea Research I, 58 , pp. 111-127 .

hdl:10013/epic.36727

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

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

Article

Harlay, J. , De Bodt, C. , Engel, A. , Jansen, S. , d'Hoop, Q. , Piontek, J. , Van Oostende, N. , Groom, S. , Sabbe, K. and Chou, L. (2009)
Abundance and size distribution of transparent exopolymer particles (TEP) in a coccolithophorid bloom in the northern Bay of Biscay ,

Deep Sea Research I., 56 , pp. 1251-1265 .

doi:10.1016/j.dsr.2009.01.014 , hdl:10013/epic.33297

Conference -Talk

Metfies, K.

, Noethig, E. M.

, Bracher, A.

, Engel, A. , Niehoff, B. , Peeken, I.

, Bauerfeind, E. , Cherkasheva, A. , Gaebler-Schwarz, S. , Hardge, K. , Kilias, E. , Kraft, A. , Lalande, C. , Piontek, J. , Thomisch, K.

and Wurst, M. (2013)
Phytoplankton Ecology and Biogeochemistry in a Changing Arctic Ocean - Molecular Genetics meets Biological Oceanography ,

When Genetics Meets Oceanography, Observatoire Oceanologique Université Pierre et Marie Curie & Centre national de la recherche Scientifique, Banyuls sur Mer, France, 14 October 2013 - 16 October 2013 .

hdl:10013/epic.42553

Conference -Poster

Harlay, J. , Chou, L. , DeBodt, C. , vanOostende, N. , Piontek, J. , Engel, A. , Sabbe, K. , Groom, S. and Borges, A. V. (2011)
Biogeochemistry and carbon mass balance of a coccolithophore bloom in the northern Bay of Biscay (June 2006) ,

European Geosciences Union, General Assembly, 3.-8.4.2011, Vienna, Austria. .

hdl:10013/epic.37182

Conference -Invited talk

Engel, A. , Borchard, C. , Bellerby, R. , Klavsen, S. , Piontek, J. , Riebesell, U. and Schulz, K. (2011)
Sensitivity of DOC production to pCO2 in arctic pelagic communities: Insights from the 2010 Svalbard mesocosm study ,

EPOCA Third Annual Meeting, Royal Academy of Belgium for Science and the Arts, BrusselsMay .

hdl:10013/epic.37519

Conference -Talk

Harlay, J. , Borges, A. V. , Delille, B. , Suykens, K. , De Bodt, C. , Sabbe, K. , van Oostende, N. , Engel, A. , Piontek, J. and Chou, L. (2010)
Towards a comprehensive C-budgeting approach of a cocoliothophorid bloom in the northern Bay of Biscay: results from PEACE projec ,

XII International Symposium on Oceanography of the Bay of Biscay, 3-6-May, Brest, France. .

hdl:10013/epic.35277

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 -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 -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

Thesis -PhD

Piontek, J. (2009)
Effects of temperature and pCO2 on the degradation of organic matter in the ocean ,

PhD thesis, University of Bremen.

hdl:10013/epic.34349

Conference -Poster

Harlay, J. , Borges, A. V. , De Bodt, C. , Van Oostende, N. , Piontek, J. , Suykens, K. , Engel, A. , Sabbe, K. , Groom, S. and Chou, L. (2009)
Biogeochemistry and carbon budget during a coccolithophorid bloom in the northern Bay of Biscay (June 2006) ,

EGU General Assembly, Vienna, AustriaApril. .

hdl:10013/epic.32805

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

Lunau, M. , Wurst, M. , Piontek, J. , Grossart, H. P. , Riebesell, U. and Engel, A. (2008)
Potential effects of ocean acidification on microbial organic matter degradation during an offshore mesocosm experiment ,

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

hdl:10013/epic.30199

Conference -Poster

Lunau, M. , Wurst, M. , Piontek, J. , Grossart, H. P. , Riebesell, U. and Engel, A. (2008)
Potential effects of ocean acidification on microbial organic matter degradation during an offshore mesocosm experiment. ,

SOPRAN Annual Meeting 2008, Warnemünde, Germany. .

hdl:10013/epic.30202

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

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

Van Oostende, N. , Vyverman, W. , Harlay, J. , De Bodt, C. , Chou, L. , Suykens, K. , Borges, A. V. , Piontek, J. , Engel, A. and Sabbe, K. (2008)
Coccolithophore bloom dynamics shape bacterioplankton communities in the northern Bay of Biscay. ,

The 12th International Symposium on Microbial Ecology (ISME 12), Cairns, AustraliaAugust 2008. .

hdl:10013/epic.32410

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

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 -Talk

Schartau, M. , Engel, A. , Piontek, J. and Rost, B.

(2007)
CO2 sensitivities: DOC production and acidification ,

Modelling the response of marine ecosystems to increasing levels of CO2. Modelling Workshop, 12-14 February 2007, Plymouth, U.K.. .

hdl:10013/epic.27876

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

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