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Items where Author is "Piontek, Judith"

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Number of items: 34.

Article

Article
Piontek, J. , Sperling, M. , Nöthig, E. M. and Engel, A. (2014)
Regulation of bacterioplankton activity in Fram Strait (Arctic Ocean) during early summer: The role of organic matter supply and temperature ,
Journal of Marine Systems, 132 , pp. 83-94 .
doi:10.1016/j.jmarsys.2014.01.003 , hdl:10013/epic.43193

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
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
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
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

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

Thesis

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

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
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
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 -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
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
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 -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. , 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 -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 -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
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
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 -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. , 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 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. 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
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 -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 -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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