Items where Author is "Piontek, Judith"

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Number of items: 42.

2019

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Maßmig, M., Piontek, J., Le Moigne, F. A. C. , Cisternas-Novoa, C. and Engel, A. (2019) Potential role of oxygen and inorganic nutrients on microbial carbon turnover in the Baltic Sea. Open Access Aquatic Microbial Ecology, 83 . pp. 95-108. DOI 10.3354/ame01902.

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Engel, A. , Bracher, A., Dinter, T., Endres, S. , Grosse, J. , Metfies, K., Peeken, I., Piontek, J., Salter, I. and Nöthig, E. M. (2019) Inter-Annual Variability of Organic Carbon Concentration in the Eastern Fram Strait During Summer (2009–2017). Open Access Frontiers in Marine Science, 6 . Art.Nr. 187. DOI 10.3389/fmars.2019.00187.

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Hepach, H. , Piontek, J., Schroedter, L. M., Bange, H. W. , Loginova, A. N. and Engel, A. (2019) The CoastSens project - providing a unique tool for coastal environmental monitoring in the Baltic Sea. [Poster] In: SOLAS Open Science Conference 2019. , 21.-25.04.2019, Sapporo, Japan .

2018

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Fadeev, E., Salter, I., Schourup-Kristensen, V., Nöthig, E. M., Metfies, K., Engel, A. , Piontek, J., Boetius, A. and Bienhold, C. (2018) Microbial Communities in the East and West Fram Strait During Sea Ice Melting Season. Open Access Frontiers in Marine Science, 5 . Art.Nr. 429. DOI 10.3389/fmars.2018.00429.

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Attard, K. M., Søgaard, D. H., Piontek, J., Lange, B. A., Katlein, C., Sørensen, H. L., McGinnis, D. F., Rovelli, L., Rysgaard, S., Wenzhöfer, F. and Glud, R. N. (2018) Oxygen fluxes beneath Arctic land-fast ice and pack ice: towards estimates of ice productivity. Open Access Polar Biology, 41 (10). pp. 2119-2134. DOI 10.1007/s00300-018-2350-1.

2017

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Engel, A. , Piontek, J., Metfies, K., Endres, S. , Sprong, P., Peeken, I., Gäbler-Schwarz, S. and Nöthig, E. M. (2017) Inter-annual variability of transparent exopolymer particles in the Arctic Ocean reveals high sensitivity to ecosystem changes. Open Access Scientific Reports, 7 (1). Art.Nr. 4129. DOI 10.1038/s41598-017-04106-9.

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Sperling, M., Piontek, J., Engel, A. , Wiltshire, K. H., Niggemann, J., Gerdts, G. and Wichels, A. (2017) Combined Carbohydrates Support Rich Communities of Particle-Associated Marine Bacterioplankton. Open Access Frontiers in Microbiology, 8 . Art.Nr. 65. DOI 10.3389/fmicb.2017.00065.

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Le Moigne, F. A. C. , Cisternas-Novoa, C., Piontek, J., Massmig, M. and Engel, A. (2017) On the effect of low oxygen concentrations on bacterial degradation of sinking particles. Open Access Scientific Reports, 7 (1). Art. No. 16722. DOI 10.1038/s41598-017-16903-3.

2016

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Galgani, L., Piontek, J. and Engel, A. (2016) Biopolymers form a gelatinous microlayer at the air-sea interface when Arctic sea ice melts. Open Access Scientific Reports, 6 (Article nr. 29465). DOI 10.1038/srep29465.


Endres, S. , Schiewe, D., Quack, B., Piontek, J., Hepach, H. and Engel, A. (2016) Biogenic sources and sinks of bromocarbon in different marine environments. [Poster] In: Ocean Sciences Meeting 2016. , 21.-26.02.2016, New Orleans, USA .


Piontek, J., Massmig, M., Endres, S. , Le Moigne, F. A. C. , Bange, H. W. and Engel, A. (2016) Bacterial Activity and Organic Matter Turnover in Oxygen Deficient Waters of the Baltic Sea . [Poster] In: Ocean Sciences Meeting 2016. , 21.-26.02.2016, New Orleans, USA .

2015

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Nöthig, E. M., Bracher, A., Engel, A. , Metfies, K., Niehoff, B., Peeken, I., Bauerfeind, E., Cherkasheva, A., Gäbler-Schwarz, S., Hardge, K., Kilias, E., Kraft, A., Mebrahtom Kidane, Y., Lalande, C., Piontek, J., Thomisch, K. and Wurst, M. (2015) Summertime plankton ecology in Fram Strait - a compilation of long- and short-term observations. Open Access Polar Research, 34 (23349). DOI 10.3402/polar.v34.23349.

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Piontek, J., Sperling, M., Nöthig, E. M. and Engel, A. (2015) Multiple environmental changes induce interactive effects on bacterial degradation activity in the Arctic Ocean. Open Access Limnology and Oceanography, 60 (4). pp. 1392-1410. DOI 10.1002/lno.10112.


Endres, S. , Piontek, J., Schiewe, D., Marandino, C., Quack, B., Hepach, H. and Engel, A. (2015) Microbial control of bromocarbons in the surface ocean. [Poster] In: Future Ocean: Cluster Retreat 2015. , 14.-15.10.2015, Schleswig, Germany .


Galgani, L., Piontek, J. and Engel, A. (2015) Organic composition of the sea-surface microlayer in the Central Arctic under enhanced sea ice melting. [Poster] In: The Ocean Surface Microlayer and Biogeochemical Feedbacks in the Earth System workshop, Ocean Interfaces semester topic Future Ocean. , 01.-03.07.2015, Kiel, Germany .

2014

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Engel, A. , Piontek, J., Grossart, H. P., Riebesell, U. , Schulz, K. G. and Sperling, M. (2014) Impact of CO2 enrichment on organic matter dynamics during nutrient induced coastal phytoplankton blooms. Journal of Plankton Research, 36 (3). pp. 641-657. DOI 10.1093/plankt/fbt125.

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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.


Galgani, L., Piontek, J. and Engel, A. (2014) The Gel-like nature of the sea-surface microlayer during the 2012 arctic sea-ice minimum. [Talk] In: Ocean Sciences Meeting 2014. , 23.-28.02.2014, Honululu, Hawaii, USA .

2013

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Archer, S. D., Kimmance, S. A., Stephens, J. A., Hopkins, F. E., Bellerby, R. G. J., Schulz, K. G., Piontek, J. and Engel, A. (2013) Contrasting responses of DMS and DMSP to ocean acidification in Arctic waters. Open Access Biogeosciences (BG), 10 . pp. 1893-1908. DOI 10.5194/bg-10-1893-2013.

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Engel, A. , Borchard, C., Piontek, J., Schulz, K. G., Riebesell, U. and Bellerby, R. (2013) CO2 increases 14C-primary production in an Arctic plankton community. Open Access Biogeosciences (BG), 10 (3). pp. 1291-1308. DOI 10.5194/bg-10-1291-2013.


Engel, A. , Borchard, C., Piontek, J., Sperling, M., Riebesell, U. , Schulz, K. G. and Bellerby, R. (2013) Responses of marine microorganisms to ocean acidification during a mesocosm study in the Arctic (Svalbard). [Talk] In: EGU General Assembly 2013. , 07.-12.04.2013, Vienna, Austria .


Galgani, L., Piontek, J. and Engel, A. (2013) The marine surface microlayer, link between ocean surface biology and cloud properties: results from an expedition to the Central Arctic. [Poster] In: 10. JaGFOS Symposium. , 31.10. - 3.11.13, Tokyo, Japan .

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Lalande, C., Xiao, X., Oetjen, K., Peeken, I., Fernandez-Mendez, M., David, C., Flores, H., Piontek, J., Galgani, L., Nöthig, E., Niehoff, B., Metfies, K. and Engel, A. (2013) Plankton Ecology. Open Access In: The Expedition of the Research Vessel "Polarstern" to the Arctic in 2012 (ARK XXVII/3). , ed. by Boetius, A.. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 663 . Alfred-Wegener-Institut Helmholtz-Zentrum für Polarund Meeresforschung, Bremerhaven, Germany, pp. 47-51, 166 pp.


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. [Talk] In: When Genetics Meets Oceanography, Observatoire Oceanologique Université Pierre et Marie Curie & Centre national de la recherche Scientifique. , 14.-16.10.2013, Banyuls sur Mer, France .

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Motegi, C., Tanaka, T., Piontek, J., Brussaard, C. P. D., Gattuso, J. P. and Weinbauer, M. G. (2013) Effect of CO2 enrichment on bacterial metabolism in an Arctic fjord. Open Access Biogeosciences (BG), 10 (5). pp. 3285-3296. DOI 10.5194/bg-10-3285-2013.

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Piontek, J. and Galgani, L. (2013) Sea-ice microbiology. Open Access In: The Expedition of the Research Vessel "Polarstern" to the Arctic in 2012 (ARK XXVII/3). , ed. by Boetius, A.. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 663 . Alfred-Wegener-Institut Helmholtz-Zentrum für Polarund Meeresforschung, Bremerhaven, Germany, pp. 40-41, 166 pp.

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Piontek, J., Borchard, C., Sperling, M., Schulz, K. G., Riebesell, U. and Engel, A. (2013) Response of bacterioplankton activity in an Arctic fjord system to elevated pCO2: results from a mesocosm perturbation study. Open Access Biogeosciences (BG), 10 . pp. 297-314. DOI 10.5194/bg-10-297-2013.

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Sperling, M., Piontek, J., Gerdts, G., Wichels, A., Schunck, H., Roy, A. S., LaRoche, J., Gilbert, 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. Open Access Biogeosciences (BG), 10 . pp. 181-191. DOI 10.5194/bg-10-181-2013.

2012

2011


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. [Invited talk] In: EPOCA Third Annual Meeting, Royal Academy of Belgium for Science and the Arts. , 09.-13.05.2011, Brussels, Belgium .


Harlay, J., Chou, L., De Bodt, C., Van Oostende, 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). [Poster] In: EGU General Assembly 2011. , 03.-08.04.2011, Vienna, Austria .


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. (2011) Biogeochemistry and carbon mass balance of a coccolithophore bloom in the northern Bay of Biscay (June 2006). Deep-Sea Research Part I-Oceanographic Research Papers, 58 (2). pp. 111-127. DOI 10.1016/j.dsr.2010.11.005.


Piontek, J., Handel, N., de Bodt, C., Harlay, J., Chou, L. and Engel, A. (2011) The utilization of polysaccharides by heterotrophic bacterioplankton in the Bay of Biscay (North Atlantic Ocean). Journal of Plankton Research, 33 (11). pp. 1719-1735. DOI 10.1093/plankt/fbr069.

2010

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Piontek, J., Lunau, M., Händel, N., Borchard, C., Wurst, M. and Engel, A. (2010) Acidification increases microbial polysaccharide degradation in the ocean. Open Access Biogeosciences (BG), 7 (5). pp. 1615-1624. DOI 10.5194/bg-7-1615-2010.

2009


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. [Poster] In: SOLAS Open Science Conference. , 16.-19.11.2009, Barcelona, Spain .


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. [Poster] In: ASLO Aquatic Sciences Meeting 2009. , 25.-30.01.2009, Nice, France .

2008


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. [Talk] In: PEACE Annual Workshop 2008. , 02.2008, Brussels, Belgium .


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 Continental Margin of the Northern Bay of Biscay: Highlights of the PEACE Project. [Poster] In: 2. International Symposium on the Ocean in a High-CO2 World. , 06.-09.10.2008, Monaco .


Piontek, J., Borchard, C., Händel, N. and Engel, A. (2008) Effects of rising CO2 on microbial degradation of organic matter derived from coccolithophores. [Talk] In: PEACE Annual Workshop. , 02.2008, Brussels, Belgium .


Piontek, J., Händel, N., Lunau, M., Borchard, C. and Engel, A. (2008) Effects of ocean acidification on the bacterial degradation of organic matter. [Poster] In: 2. International Symposium on the Ocean in a High-CO2 World. , 06.-09.10.2008, Monaco .

2007


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. [Talk] In: 42. European Marine Biology Symposium (EMBS). , 27.-31.08.2007, Kiel, Germany .


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. [Talk] In: 10th Symposium on Aquatic Microbial Ecology. , 02.-07.09.2007, Faro, Portugal .

This list was generated on Sun Sep 15 00:09:51 2019 CEST.