Items where Author is "Engel, Anja"

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Fong, A. A. , Hoppe, C. J. ORCID: https://orcid.org/0000-0002-2509-0546, Aberle, N. , Ashjian, C. J. , Assmy, P. , Bai, Y. , Bakker, D. C. , Balmonte, J. P. , Barry, K. R. , Bertilsson, S. , Boulton, W. , Bowman, J. , Bozzato, D. , Bratbak, G. , Buck, M. , Campbell, R. G. , Castellani, G. , Chamberlain, E. J. , Chen, J. , Chierici, M. , Cornils, A. ORCID: https://orcid.org/0000-0003-4536-9015, Creamean, J. M. , Damm, E. , Dethloff, K. , Droste, E. S. , Ebenhöh, O. , Eggers, S. L. , Engel, A. , Flores, H. ORCID: https://orcid.org/0000-0003-1617-5449, Fransson, A. , Frickenhaus, S. ORCID: https://orcid.org/0000-0002-0356-9791, Gardner, J. , Gelfman, C. E. , Granskog, M. A. , Graeve, M. , Havermans, C. ORCID: https://orcid.org/0000-0002-1126-4074, Heuzé, C. , Hildebrandt, N. , Hill, T. C. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Immerz, A. , Jin, H. , Koch, B. P. ORCID: https://orcid.org/0000-0002-8453-731X, Kong, X. ORCID: https://orcid.org/0000-0002-7366-5180, Kraberg, A. ORCID: https://orcid.org/0000-0003-2571-2074, Lan, M. , Lange, B. A. , Larsen, A. , Lebreton, B. , Leu, E. , Loose, B. , Maslowski, W. , Mavis, C. , Metfies, K. ORCID: https://orcid.org/0000-0002-7483-9373, Mock, T. , Müller, O. , Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Niehoff, B. , Nomura, D. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Oggier, M. , Oldenburg, E. , Olsen, L. M. , Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Perovich, D. K. , Popa, O. , Rabe, B. ORCID: https://orcid.org/0000-0001-5794-9856, Ren, J. , Rex, M. ORCID: https://orcid.org/0000-0001-7847-8221, Rinke, A. ORCID: https://orcid.org/0000-0002-6685-9219, Rokitta, S. ORCID: https://orcid.org/0000-0002-7540-9033, Sakinan, S. , Rost, B. , Salganik, E. , Schaafsma, F. L. , Schäfer, H. , Schmidt, K. , Shoemaker, K. M. , Shupe, M. D. , Snoeijs-Leijonmalm, P. , Stefels, J. , Svenson, A. , Tao, R. ORCID: https://orcid.org/0000-0002-6690-9212, Torres-Valdés, S. , Torstensson, A. , Toseland, A. , Ulfsbo, A. , Van Leeuwe, M. A. , Vortkamp, M. , Webb, A. L. , Zhuang, Y. and Gradinger, R. R. (2024)
Overview of the MOSAiC expedition: Ecosystem ,
Elem Sci Anth, 12 (1) .
doi:10.1525/elementa.2023.00135 , hdl:10013/epic.1b886321-8106-462f-a463-0c99dab9353a
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Wietz, M. , Engel, A. , Ramondenc, S. , Niwano, M. , Appen, W. , Priest, T. , Jackowski, A. , Metfies, K. , Bienhold, C. and Boetius, A. ORCID: https://orcid.org/0000-0003-2117-4176 (2024)
The Arctic summer microbiome across Fram Strait: Depth, longitude, and substrate concentrations structure microbial diversity in the euphotic zone ,
Environmental Microbiology, 26 , e16568-e16568 .
doi:10.1111/1462-2920.16568 , hdl:10013/epic.d208def7-3f43-411c-87c9-ab493f6217bf
[thumbnail of Wietz 2024_CTD_FramStraitMicrobiome.pdf]
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von Jackowski, A. , Grosse, J. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 and Engel, A. (2020)
Dynamics of organic matter and bacterial activity in the Fram Strait during summer and autumn ,
Philosophical Transactions of the Royal Society A, 378 (2181) .
doi:10.1098/rsta.2019.0366 , hdl:10013/epic.390f7925-a6c3-47ca-b8e5-9d3043cc6b38

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Wagner, S. , Schubotz, F. , Kaiser, K. , Hallmann, C. , Waska, H. , Rossel, P. E. , Hansman, R. , Elvert, M. , Middelburg, J. J. , Engel, A. , Blattmann, T. M. , Catalá, T. S. , Lennartz, S. T. , Gomez-Saez, G. V. ORCID: https://orcid.org/0000-0002-6308-5764, Pantoja-Gutiérrez, S. , Bao, R. and Galy, V. (2020)
Soothsaying DOM: A Current Perspective on the Future of Oceanic Dissolved Organic Carbon ,
Frontiers in Marine Science, 7 (341), pp. 1-17 .
doi:10.3389/fmars.2020.00341 , hdl:10013/epic.9d07e3a2-096e-43a0-865f-0e087fa0ed58

Article
Engel, A. , Bracher, A. , Dinter, T. , Endres, S. , Grosse, J. , Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, Peeken, I. , Piontek, J. , Salter, I. and Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 (2019)
Inter-Annual Variability of Organic Carbon Concentration in the Eastern Fram Strait During Summer (2009–2017) ,
Frontiers in Marine Science .
doi:10.3389/fmars.2019.00187 , hdl:10013/epic.d144b85f-c4e1-474b-bf7c-02487b4f7f3f

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Laurenceau-Cornec, E. , Le Moigne, F. A. , Gallinari, M. , Moriceau, B. , Toullec, J. , Iversen, M. ORCID: https://orcid.org/0000-0002-5287-1110, Engel, A. and De La Rocha, C. (2019)
New guidelines for the application of Stokes' models to the sinking velocity of marine aggregates ,
Limnology and Oceanography .
doi:10.1002/lno.11388 , hdl:10013/epic.d732e139-df39-4f21-9e2b-8b3fa2bb3d21

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Busch, K. , Endres, S. , Iversen, M. H. ORCID: https://orcid.org/0000-0002-5287-1110, Michels, J. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 and Engel, A. (2017)
Bacterial Colonization and Vertical Distribution of Marine Gel Particles (TEP and CSP) in the Arctic Fram Strait ,
Frontiers in Marine Science, 4 (166), pp. 1-14 .
doi:10.3389/fmars.2017.00166 , hdl:10013/epic.51293

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Hepach, H. , Quack, B. , Tegtmeier, S. , Engel, A. , Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Fuhlbrügge, S. , Galgani, L. , Atlas, E. L. , Lampel, J. , Frieß, U. and Krüger, K. (2016)
Biogenic halocarbons from the Peruvian upwelling region as tropospheric halogen source. ,
Atmospheric Chemistry and Physics, 16 , pp. 12219-12237 .
doi:10.5194/acp-16-12219-2016 , hdl:10013/epic.48657
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Löscher, C. R. , Bange, H. W. , Schmitz, R. A. , Callbeck, C. M. , Engel, A. , Hauss, H. , Kanzow, T. , Kiko, R. , Lavik, G. , Loginova, A. , Melzner, F. , Meyer, J. , Neulinger, S. C. , Pahlow, M. , Riebesell, U. , Schunck, H. , Thomsen, S. and Wagner, H. (2016)
Water column biogeochemistry of oxygen minimum zones in the eastern tropical North Atlantic and eastern tropical South Pacific oceans ,
Biogeosciences, 13 (12), pp. 3585-3606 .
doi:10.5194/bg-13-3585-2016 , hdl:10013/epic.51180

Article
Galgani, L. , Piontek, J. and Engel, A. (2016)
Biopolymers form a gelatinous microlayer at the air-sea interface when Arctic sea ice melts ,
Scientific Reports, 6 , p. 10 .
hdl:10013/epic.51112

Article
Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Engel, A. , Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, Niehoff, B. , Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Bauerfeind, E. , Cherkasheva, A. , Gäbler-Schwarz, S. , Hardge, K. , Kilias, E. , Kraft, A. , Mebrahtom Kidane, Y. , Lalande, C. , Piontek, J. , Thomisch, K. ORCID: https://orcid.org/0000-0002-7144-8369 and Wurst, M. (2015)
Summertime plankton ecology in Fram Strait - a compilation of long- and short-term observations ,
Polar Research, 34 .
doi:10.3402/polar.v34.23349 , hdl:10013/epic.46457

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Piontek, J. , Sperling, M. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 and Engel, A. (2015)
Multiple environmental changes induce interactive effects on bacterial degradation activity in the Arctic Ocean ,
Limnology and Oceanography, 60 (4), pp. 1392-1410 .
doi:10.1002/lno.10112 , hdl:10013/epic.46265

Article
Borchard, C. and Engel, A. (2015)
Size-fractionated dissolved primary production and carbohydrate composition of the coccolithophore Emiliania huxleyi ,
Biogeosciences, 12 (4), pp. 1271-1284 .
hdl:10013/epic.51109

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Galgani, L. , Stolle, C. , Endres, S. , Schulz, K. G. and Engel, A. (2014)
Effects of ocean acidification on the biogenic composition of the sea-surface microlayer: Results from a mesocosm study ,
Journal of Geophysical Research-Oceans, 119 (11), pp. 7911-7924 .
hdl:10013/epic.51108

Article
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 .
hdl:10013/epic.51107

Article
Engel, A. , Novoa, C. , Wurst, M. , Endres, S. , Tang, T. , Schartau, M. and Lee, C. (2014)
No detectable effect of CO2 on elemental stoichiometry of Emiliania huxleyi in nutrient-limited, acclimated continuous cultures ,
Marine Ecology-Progress Series, 507 , pp. 15-30 .
hdl:10013/epic.51105

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Endres, S. , Galgani, L. , Riebesell, U. , Schulz, K. G. and Engel, A. (2014)
Stimulated Bacterial Growth under Elevated pCO(2): Results from an Off-Shore Mesocosm Study ,
PLoS ONE, 9 (6), p. 8 .
hdl:10013/epic.51104

Article
Cisternas-Nuevo, C. , Lee, C. and Engel, A. (2014)
A semi-quantitative spectrophometric, dye-binding assay for determination of Coomassie Blue stainable particles ,
Limnology and Oceanography-Methods, 12 , pp. 604-616 .
hdl:10013/epic.51113

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Assmy, P. , Ehn, J. K. , Fernandez Mendez, M. , Hop, H. , Katlein, C. ORCID: https://orcid.org/0000-0003-2422-0414, Sundfjord, A. , Bluhm, K. , Daase, M. , Engel, A. , Fransson, A. , Granskog, M. A. , Hudson, S. R. , Kristiansen, S. , Nicolaus, M. ORCID: https://orcid.org/0000-0003-0903-1746, Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Renner, A. H. H. , Spreen, G. , Tatarek, A. and Wiktor, J. (2013)
Floating ice-algal aggregates below melting Arctic sea ice. ,
PLoS ONE, 8 (10), e76599 .
doi:10.1371/journal.pone.0076599 , hdl:10013/epic.42551
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Czerny, J. , Schulz, K. G. , Boxhammer, T. , Bellerby, R. G. J. , Büdenbender, J. , Engel, A. , Krug, S. , Ludwig, A. , Nachtigall, K. , Nondal, G. , Niehoff, B. , Silyakova, A. and Riebesell, U. (2013)
Implications of elevated CO2 on pelagic carbon fluxes in an Arctic mesocosm study – an elemental mass balance approach ,
Biogeosciences, 10 , pp. 3109-3125 .
doi:10.5194/bg-10-3109-2013 , hdl:10013/epic.41547

Article
Engel, A. , Borchard, C. , Piontek, J. , Schulz, K. G. , Riebesell, U. and Bellerby, R. (2013)
CO2 increases C-14 primary production in an Arctic plankton community ,
Biogeosciences, 10 (3), pp. 1291-1308 .
doi:10.5194/bg-10-1291-2013 , hdl:10013/epic.51100

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Sperling, M. , Piontek, J. , Gerdts, G. ORCID: https://orcid.org/0000-0003-0872-3927, Wichels, A. ORCID: https://orcid.org/0000-0002-2060-1845, 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

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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 pertubation study ,
Biogeosciences, 10 (1), pp. 297-314 .
doi:10.5194/bg-10-297-2013 , hdl:10013/epic.51103

Article
Wannicke, N. , Endres, S. , Engel, A. , Grossart, H. P. , Nausch, M. , Unger, J. and Voss, M. (2012)
Response of Nodularia spumigena to pCO2 – Part 1: Growth, production and nitrogen cycling ,
Biogeosciences, 9 , pp. 2973-2988 .
doi:10.5194/bg-9-2973-2012 , hdl:10013/epic.40346
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Endres, S. , Unger, J. , Wannicke, N. , Nausch, M. , Voss, M. and Engel, A. (2012)
Response of Nodularia spumigena to pCO2 – Part 2: Exudation and extracellular enzyme activities ,
Biogeosciences Discussions, 9 .
doi:10.5194/bgd-9-5109-2012 , hdl:10013/epic.40340

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Unger, J. , Endres, S. , Wannicke, N. , Engel, A. , Voss, M. , Nausch, G. and Nausch, M. (2012)
Response of Nodularia spumigena to pCO2 – Part 3: Turnover of phosphorus compounds ,
Biogeosciences Discussions, 9 .
doi:10.5194/bgd-9-14709-2012 , hdl:10013/epic.40342

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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Kim, J. H. , Lee, K. , Shin, K. , Yang, E. J. , Engel, A. , Karl, D. and Kim, H. C. (2011)
Shifts in biogenic carbon flow from particulate to dissolved forms under high carbon dioxide and warm ocean conditions ,
Geophysical Research Letters. 38 , L08612 .
doi:10.1029/2011GL047346 , hdl:10013/epic.37415

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

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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
Biermann, A. and Engel, A. (2010)
Effect of CO2 on the properties and sinking velocity of aggregates of the coccolithophore Emiliania huxleyi ,
Biogeosciences, 7 , pp. 1017-1029 .
hdl:10013/epic.34523

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

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

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Wohlers, J. , Engel, A. , Zöllner, E. , Breithaupt, P. , Jürgens, K. , Hoppe, H. G. , Sommer, U. and Riebesell, U. (2009)
Changes in biogenic carbon flow in response to sea surface warming ,
PNAS, 106 (17), pp. 7067-7072 .
doi:10.1073/pnas.0812743106 , hdl:10013/epic.32551
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Biermann, A. and Engel, A. (2009)
Effect of CO2 on the properties and sinking velocity of aggregates of the coccolithophore Emiliania huxleyi ,
Biogeosciences Discussion, 6 , pp. 9817-9848 .
hdl:10013/epic.34390

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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
Engel, A. and Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 (2009)
Future carbon cycling in the Arctic Ocean ,
iLEAPS Newsletter, 8 , pp. 25-27 .
hdl:10013/epic.34018

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Engel, A. , Szlosek, J. , Abramson, L. , Liu, Z. and Lee, C. (2009)
Investigating the effect of ballasting by CaCO3 in Emiliania huxleyi: I. Formation, settling velocities and physical properties of aggregates ,
Deep Sea Research II, 56 , pp. 1396-1407 .
doi:10.1016/j.dsr2.2008.11.027 , hdl:10013/epic.32913

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Engel, A. , Abramson, L. , Szlosek, J. , Liu, Z. , Stewart, G. , Hirschberg, D. and Lee, C. (2009)
Investigating the effect of ballasting by CaCO3 in Emiliania huxleyi: II. Decomposition of particulate organic matter ,
Deep Sea Research II, 56 , pp. 1408-1419 .
doi:10.1016/j.dsr2.2008.11.027 , hdl:10013/epic.32914

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Lee, C. , Armstrong, R. A. , Cochran, J. K. , Engel, A. , Fowler, S. W. , Goutx, M. , Masque, P. , Miquel, J. C. , Peterson, M. , Tamburini, C. and Wakeham, S. (2009)
MedFlux: Investigations of particle flux in the Twilight Zone. ,
Deep-Sea Research II, 56., 1363 .
doi:10.1016/j.dsr2.2008.12.003 , hdl:10013/epic.32921

Article
Egge, J. K. , Thingstad, J. F. , Larsen, A. , Engel, A. , Wohlers, J. , Bellerby, R. and Riebesell, U. (2009)
Primary production during nutrient-induced blooms at elevated CO2 concentrations ,
Biogeosciences, 6 , pp. 877-885 .
hdl:10013/epic.32706
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Payan, S. , Camy-Peyret, C. , Oelhaf, H. , Wetzel, G. , Maucher, G. , Kleim, C. , Pirre, M. , Huret, N. , Engel, A. , Volk, M. C. , Kuellmann, H. , Kuttippurath, J. , Cortesi, U. , Bianchini, G. , Mencaraglia, F. , Raspollini, P. , Redaelli, G. , Vigouroux, C. , De Maziere, M. , Mikuteit, S. , Blumenstock, T. , Velazco, V. , Notholt, J. , Mahieu, M. , Duchatelet, P. , Smale, D. , Wood, S. , Jones, N. , Piccolo, C. , Payne, V. , Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Glatthor, N. , Stiller, G. , Grunow, K. , Jeseck, P. , Te, Y. and Butz, A. (2009)
Validation and data characteristics of methane and nitrous oxide profiles observed by MIPAS and processed with Version 4.61 algorithm. ,
Atmospheric Chemistry and Physics, 9 , pp. 413-442 .
hdl:10013/epic.28638
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Riebesell, U. , Bellerby, R. G. J. , Engel, A. , Fabry, V. J. , Hutchins, D. A. , Reusch, T. B. H. , Schulz, K. G. and Morel, F. M. M. (2008)
Comment on 'Phytoplankton Calcification in a High CO2 World' ,
Science, 322 (5907) .
doi:10.1126/science.1161096 , hdl:10013/epic.31623

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Engel, A. , Schulz, K. , Riebesell, U. , Bellerby, R. , Delille, B. and Schartau, M. (2008)
Effects of CO2 on particle size distribution and phytoplankton abundance during a mesocosm bloom experiment (PeECE II) ,
Biogeosciences, 5 , pp. 509-521 .
hdl:10013/epic.30302
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Joassin, P. , Delille, B. , Soetaert, K. , Borges, A. V. , Chou, L. , Engel, A. , Gattuso, J. P. , Harlay, J. , Riebesell, U. , Suykens, K. and Gregoire, M. (2008)
MATHEMATICAL MODELING OF AN EMILIANA HUXLEYI COCCOLITHOPHORES BLOOM OCCURRING IN A MESOCOSM EXPERIMENT ,
Biogeosciences Discussion, 5, 787 .
hdl:10013/epic.30304

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Schartau, M. , Engel, A. and Colijn, F. (2008)
Transformation of dissolved organic matter and its diverse effect on higher trophic level ,
2008 ICES Annual Science Conference. .
hdl:10013/epic.31452

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Engel, A. , Schulz, K. , Riebesell, U. , Bellerby, R. , Delille, B. and Schartau, M. (2007)
Effects of CO2 on particle size distribution and phytoplankton abundance during a mesocosm bloom experiment (PeECE II) ,
Biogeosciences Discussion, 4 , pp. 4101-4133 .
hdl:10013/epic.30195

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Passow, U. , De La Rocha, C. , Arnosti, C. , Grossart, H. P. , Murray, A. and Engel, A. (2007)
Microbial dynamics in autotrophic and heterotrophic seawater mesocosms. I. Effect of phytoplankton on the microbial loop ,
Aquatic microbial ecology, 49 (2), pp. 109-121 .
doi:10.3354/ame01138 , hdl:10013/epic.28500
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Grossart, H. P. , Engel, A. , Arnosti, C. , De La Rocha, C. , Murray, A. and Passow, U. (2007)
Microbial dynamics in autotrophic and heterotrophic seawater mesocosms. III. Organic matter fluxes ,
Aquatic microbial ecology. 49(2), pp. 143-156 .
doi:10.3354/ame01140 , hdl:10013/epic.28501
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Egge, J. K. , Thingstad, J. F. , Engel, A. , Bellerby, R. and Riebesell, U. (2007)
Primary production during nutrient-induced blooms at elevated CO2 concentrations ,
Biogeosciences Discussion, 4 , pp. 4385-4410 .
hdl:10013/epic.30303

Article
Sommer, U. , Aberle, N. , Engel, A. , Hansen, T. , Lengfellner, K. , Sandow, M. , Wohlers, J. , Zöllner, E. and Riebesell, U. (2007)
An indoor mesocosm system to study the effect of climate change on the late winter and spring succession of Baltic Sea phyto- and zooplankton ,
Oecologia, 150 , pp. 655-666 .
doi:10.1007/s00442-006-0539-4 , hdl:10013/epic.24957
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Article
Tilmes, S. , Müller, R. , Engel, A. , Rex, M. ORCID: https://orcid.org/0000-0001-7847-8221 and Russel III, J. M. (2006)
Chemical ozone loss in the Arctic and Antarctic stratosphere between 1992 and 2005 ,
Geophysical Research Letters, 33, L20812. .
doi:10.1029/2006GL026925 , hdl:10013/epic.28878

Article
Engel, A. , Zondervan, I. , Aerts, K. , Beaufort, L. , Benthien, A. ORCID: https://orcid.org/0000-0002-9159-3109, Chou, L. , Delille, B. , Gattuso, J. P. , Harlay, J. , Heemann, C. , Hoffmann, L. , Jacquet, S. , Nejstgaard, J. , Pizay, M. D. , Rochelle-Newall, E. , Schneider, U. , Terbrüggen, A. and Riebesell, U. (2005)
Testing the direct effect of CO2 concentration on a bloom of the coccolithophorid Emiliania huxleyi in mesocosm experiments ,
Limnology and oceanography, 50 (2), pp. 493-507 .
hdl:10013/epic.23408
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Article
Schneider, B. , Engel, A. and Schlitzer, R. ORCID: https://orcid.org/0000-0002-3740-6499 (2004)
Effects of depth- and CO2-dependent C:N ratios of particulate organic matter (POM) on the marine carbon cycle ,
Global biogeochemical cycles, 18, GB2015, pp. 1-13 .
doi:10.1029/2003GB002184 , hdl:10013/epic.20150
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Article
Engel, A. , Thoms, S. , Riebesell, U. , Rochelle-Newall, E. and Zondervan, I. (2004)
Polysaccharide aggregation as a potential sink of marine dissolved organic carbon ,
Nature, 428 (6986), pp. 929-932 .
doi:10.1038/nature02453 , hdl:10013/epic.20623
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Article
Engel, A. , Delille, B. , Jacquet, S. , Riebesell, U. , Rochelle-Newall, E. , Terbrüggen, A. and Zondervan, I. (2004)
Transparent exopolymer particles and dissolved organic carbon production by Emiliania huxleyi exposed to different CO2 concentrations: a mesocosm experiment ,
Aquatic microbial ecology:, 34 , pp. 93-104 .
hdl:10013/epic.19642
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Article
Passow, U. , Engel, A. and Ploug, H. (2003)
The role of aggregation for the dissolution of diatom frustules ,
Fems microbiology ecology, 46 , pp. 247-255 .
doi:10.1016/S0168-6496(03)00199-5 , hdl:10013/epic.16874
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Article
Engel, A. , Meyerhöfer, M. and von Bröckel, K. (2002)
Chemical and Biological Composition of Suspended Particles and Aggregates in the Baltic Sea in Summer (1999) ,
Estuarine coastal and shelf science, 55, 5 , pp. 729-741 .
hdl:10013/epic.15284
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Article
Engel, A. , Goldthwait, S. , Passow, U. and Alldredge, A. (2002)
Temporal decoupling of carbon and nitrogen dynamics in a mesocosm diatom bloom ,
Limnology and Oceanography, 47, 3 , pp. 753-761 .
hdl:10013/epic.16009
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Article
Engel, A. and Passow, U. (2001)
Carbon and nitrogen content of transparent exopolymer particles (TEP) in relation to their Alcian Blue adsorption ,
Marine Ecology Progress Series, 219 , pp. 1-10 .
hdl:10013/epic.15282
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Article
Harris, N. R. P. , Guirlet, M. , Amanatidis, G. T. , Ancellet, G. , Braathen, G. , Bregman, A. , Engel, A. , Goede, A. , Goutail, F. , Hauchecorne, A. , Küllmann, H. , Larsen, N. , Mégie, G. , Murtagh, D. , Naujokat, B. , Noë, J. d. l. , Norton, W. , Oelhaf, H. , Peter, T. , Pfeilsticker, K. , Pommereau, J. P. , Pyle, J. A. , van Roozendael, M. , Schlager, H. , Schmidt, U. , Stefanutti, L. , Toci, G. and von der Gathen, P. ORCID: https://orcid.org/0000-0001-7409-1556 (2000)
Overview and results of THESEO 1998-1999 ,
Stratospheric Ozone 1999 : proceedings of the fifth European symposium 27 September - 1 October 1999, Saint Jean de Luz, France. European Commission Directorate-General for Research, Brussels, 33-49. (Air pollution research report ; 73) (EUR ; 19340) .
hdl:10013/epic.14991

Article
Engel, A. and Schartau, M. (1999)
Influence of transparent exopolymer particles (TEP) on sinking velocity of Nitzschia closterium aggregates ,
Marine Ecology Progress Series, 182 , pp. 69-76 .
hdl:10013/epic.15279

Article
Woyke, T. , Müller, R. , Stroh, F. , McKenna, D. S. , Engel, A. , Maritan, J. , Rex, M. ORCID: https://orcid.org/0000-0001-7847-8221 and Carslaw, K. S. (1999)
A test of our understanding of the ozone chemistry in the Arctic polar vortex based on in-situ measurements of ClO, BrO and O3, in the 1994/95 winter ,
Journal of Geophysical Research, 104 , pp. 18755-18768 .
hdl:10013/epic.14016

Book

Book
Wirth, C. , Bruelheide, H. , Farwig, N. , Marx, J. , Settele, J. , Hodapp, D. ORCID: https://orcid.org/0000-0001-5012-0199, Buschbaum, C. , Dutz, J. , Engel, A. , Eskildsen, K. , Hepach, H. , Hinkel, J. , Jacob, U. , Jansen, F. , Jürgens, K. , Karez, R. , Kleyer, M. , Krause, J. , Quaas, M. , Neumann, B. , Rick, J. J. , Riekhof, M. C. , Rohner, S. , Scheiffarth, G. , Sell, A. , Siebert, U. , von Weber, M. , Wiltshire, K. H. , Hillebrand, H. , Boersma, M. , Brinkhoff, T. , Eilers, S. , Engelen, B. , Goggina, M. , Hauck, J. , Karsten, U. , Kirstein, I. , Könneke, M. , Kröncke, I. , Marx, D. , Nachtsheim, D. , Niedringhaus, R. , Ristok, C. , Scheu, S. , Wiggering, B. and Zettler, M. (2024)
Faktencheck Artenvielfalt Bestandsaufnahme und Perspektiven für den Erhalt der biologischen Vielfalt in Deutschland - Küste und Küstengewässer / Settele, J. (editor) ,
oekom Verlag, 0 p., ISBN: 9783987260957 .
doi:10.14512/9783987263361 , hdl:10013/epic.59185066-db24-43fb-8b7a-5fc87ac4d723
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Inbook

Inbook
Voß, M. , Baker, A. , Bange, H. , Conley, D. , Deutsch, B. , Engel, A. , Heiskanen, A. S. , Jickells, T. , Lancelot, C. , McQuatters-Gollop, A. , Middelburg, J. , Schiedek, D. and Slomp, C. (2011)
Nitrogen turnover processes and effects in coastal and marine ecosystems ,
ENA European Nitrogen Assessment. Sources, Effects and Policy Perspectives. Cambridge University Press. Mark Sutton et al. (editors).ISBN: 9781107006126 664 pages. .
hdl:10013/epic.37271

Inbook
LaRoche, J. , Rost, B. ORCID: https://orcid.org/0000-0001-5452-5505 and Engel, A. (2010)
Bioassays, batch culture and chemostat experimentation ,
Approaches and tools to manipulate the carbonate chemistry., Guide for Best Practices in Ocean Acidification Research and Data Reporting. In: Riebesell U., Fabry V. J., Hansson L., Gattuso J.-P. (Eds.), pp. .
hdl:10013/epic.35260
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Inbook
Engel, A. , Barcelos e Ramos, J. , Geider, R. , Hutchins, D. , Lee, C. , Rost, B. ORCID: https://orcid.org/0000-0001-5452-5505, Röttgers, R. and Thingstad, F. (2010)
Production and export of organic matter ,
Guide for Best Practices in Ocean Acidification Research and Data Reporting. In: Riebesell U., Fabry V. J., Hansson L., Gattuso J.-P. (Eds.), pp. .
hdl:10013/epic.35258
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Inbook
Engel, A. (2009)
Determination of Marine Gel Particles ,
Practical guidelines for the analysis of seawater / ed. by Oliver Wurl Boca Raton [u.a.] ; CRC Press, ISBN: 978-1-420-07306-5 .
hdl:10013/epic.32844

Inbook
Lalande, C. , Xiao, X. , Oetjen, I. P. , Fernandez Mendez, M. ORCID: https://orcid.org/0000-0002-4968-1156, David, C. , Flores, H. , Pinotek, J. , Galgani, L. , Noethig, E. M. , Niehoff, B. , Metfies, K. and Engel, A.
7. Plankton Ecology / Boetius, A. (editor) ,
Bremerhaven, Alfred-Wegener-Institut Helmholtz Zentrum für Polar- und Meeresforschung .
hdl:10013/epic.74138b70-c2ed-48cf-9c05-cc8c5129e3e5
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Thesis

Thesis -PhD
Engel, A. (1998)
Bildung, Zusammensetzung und Sinkgeschwindigkeiten mariner Aggregate ,
PhD thesis, Christian-Albrechts Universität Kiel.
hdl:10013/epic.16010

Conference

Conference -Poster
Nöthig, E. M. , Bracher, A. , Engel, A. , Metfies, K. , Niehoff, B. , Peeken, I. , Cornils, A. , Hildebrandt, N. , Kraberg, A. , Lampe, V. , von Jackowski, A. and Xi, H. (2023)
Natural variability or consequences of climate change? - Inferences of plankton observations in the Fram Strait
hdl:10013/epic.efe4fb50-32be-488f-baa8-56d70cc519eb

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Conference -Talk
Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, Noethig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Engel, A. , Niehoff, B. , Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Bauerfeind, E. , Cherkasheva, A. , Gaebler-Schwarz, S. , Hardge, K. , Kilias, E. , Kraft, A. , Lalande, C. , Piontek, J. , Thomisch, K. ORCID: https://orcid.org/0000-0002-7144-8369 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 -Talk
Endres, S. , Flerus, R. , Galgani, L. , Roa, J. and Engel, A. (2013)
Organic matter turnover by pelagic microorganisms under the impact of ocean acidification ,
ASLO Aquatic Science Meeting, New Orleans, USA .
hdl:10013/epic.41989

Conference -Poster
Endres, S. , Galgani, L. and Engel, A. (2012)
Marine bacteria thrive when the ocean acidifies ,
International Symposium on Microbial Ecology 2012, Copenhagen, 19 August 2012 - 24 August 2012 .
hdl:10013/epic.40347

Conference -Talk
Endres, S. , Unger, J. , Wannicke, N. , Nausch, M. , Voss, M. and Engel, A. (2011)
Impact of ocean acidification on microbial degradation of organic matter ,
2nd annual BIOACID meeting, Universität Bremen, 26 September 2011 - 28 September 2011 .
hdl:10013/epic.38849

Conference -Talk
Wannicke, N. , Unger, J. , Endres, S. , Nausch, M. , Salka, I. , Engel, A. , Grossart, H. P. and Voss, M. (2011)
Oceans turning sour - will it directly affect growth and production of heterotrophic bacteria? - What we have learned so far from laboratory to mesocosm experiments ,
2nd annual BIOACID meeting, Universität Bremen, 26 September 2011 - 28 September 2011 .
hdl:10013/epic.38483

Conference -Talk
Endres, S. , Unger, J. , Wannicke, N. , Nausch, M. , Voss, M. and Engel, A. (2011)
Effect of ocean acidification on microbial degradation of organic matter derived from a Thalassiosira weissflogii chemostat culture ,
YOUMARES 2.0 - Ocean amidst science, innovation and society, Bremerhaven, 7 September 2011 - 9 September 2011 .
hdl:10013/epic.38850

Conference -Poster
Wurst, M. , Kilias, E. , Giebel, H. A. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033 and Engel, A. (2011)
Microbial activities, dynamics and diversity in a changing Arctic Ocean (Fram Strait) ,
The 12th Symposium on Aquatic Microbial Ecology, Rostock, Germany .
hdl:10013/epic.38847

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. (2011)
Crossing borders: Dynamics of extracellular organic matter in marine systems ,
What is the sea surface microlayer? Towards a unified physical, chemical and biological definition of the air-ocean interface.COST Action 735 Meeting; Marine Biological Association of the United Kingdom, Plymouth,UK. .
hdl:10013/epic.36850

Conference -Talk
Endres, S. , Unger, J. , Wannicke, N. and Engel, A. (2011)
Effect of ocean acidification on microbial degradation of organic matter derived from a Thalassiosira weissflogii chemostat culture ,
Enzymes in the Environment: Activity, Ecology and Application. Bad Nauheim 17.-21.July 2011 .
hdl:10013/epic.37963

Conference -Poster
Engel, A. , Czerny, J. , Bellerby, R. , Boxhammer, T. , Engel, A. , Ludwig, A. , Nachtigall, K. , Nondal, G. , Silyakova, A. , Sswat, M. and Riebesell, U. (2011)
Element budgets in an Arctic mesocosm CO2 perturbation study ,
European Geosciences Union, General Assembly, 3.-8.4.2011, Vienna, Austria. .
hdl:10013/epic.37181

Conference -Talk
Wannicke, N. , Endres, S. , Unger, J. , Engel, A. , Grossart, H. P. , Nausch, M. and Voss, M. (2011)
Growth and production of Nodularia spumigena under elevated CO2 concentrations. ,
Aquatic Sciences Meeting, 13.-18.2.2011, San Juan, Puerto Rico. .
hdl:10013/epic.36931

Conference -Poster
Cisternas-Nuevo, C. , Lee, C. and Engel, A. (2011)
Measurements of proteinaceous and polysaccharide-rich particles produced by bubbling phytoplankton exduates ,
Aquatic Sciences Meeting, 13.-18.2.2011, San Juan, Puerto Rico. .
hdl:10013/epic.36932

Conference -Talk
Endres, S. , Unger, J. , Wannicke, N. , Nausch, M. , Voss, M. and Engel, A. (2011)
Microbial degradation of organic matter produced by Thalassiosira weissflogii during a combined chemostat and batch experiment under different pCO2 levels ,
SAME12 12th Symposium on Aquatic Microbial Ecology, Warnemünde/Rostock.8.-2.9.2011. .
hdl:10013/epic.37964

Conference -Talk
Schulz, K. , Bellerby, R. , Engel, A. , Gattuso, J. P. , Hessen, D. , Klavsen, S. , Krug, S. , Nondal, G. , Silyakova, A. , Sswat, M. and Riebesell, U. (2011)
Organic matter dynamics and CO2 responses of the 2010 Svalbard mesocosm experiment ,
European Geoscience Union, General Assembly, 3-8.April, Vienna, Austria. .
hdl:10013/epic.37180

Conference -Poster
Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Bauerfeind, E. , Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Cherkasheva, A. , Engel, A. , Gäbler-Schwarz, S. , Kilias, E. , Kraft, A. , Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, Niehoff, B. , Pfaff, S. and Wurst, M. (2011)
Plankton Ecology and Biogeochemistry in a Changing Arctic Ocean (PEBCAO), first results from the AWI HAUSGARTEN area (Fram Strait) ,
Arctic Frontiers Arctic Tipping Points. Tromsø, NorwayJanuary 2011. .
hdl:10013/epic.36723

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
Sommer, U. , Lewandowska, A. , Biermann, A. , Breithaupt, P. , Lengfellner, K. , Walther, K. , von Scheibner, M. , Wohlers, J. , Engel, A. , Jürgens, K. , Hoppe, H. G. , Riebesell, U. and Gaedke, U. (2010)
Climat Change effects on the plankton spring-bloom-Overview of the Kiel Mesocosm Cluster ,
Life in warming waters, AQUASHIFT final workshop, 4.-7.10.2010, University of Kiel, Germany. .
hdl:10013/epic.36273

Conference -Talk
Biermann, A. , Engel, A. , Sommer, U. and Riebesell, U. (2010)
Effect of a sunny week on the nutrient transfer in a marine plankton community ,
Life in warming waters, AQUASHIFT final workshop, 4.-7.10.2010, University of Kiel, Germany. .
hdl:10013/epic.36151

Conference -Poster
Endres, S. , Unger, J. , Wannicke, N. and Engel, A. (2010)
Effect of ocean acidification on production and decomposition of exudates - first results from a joint batch experiment ,
BIOACID / EPOCA / UKOARP Meeting Bremerhaven 27-30 Sept 2010. .
hdl:10013/epic.36168

Conference -Talk
Nausch, G. , Endres, S. , Engel, A. , Grossart, H. P. , Nausch, M. , Unger, J. , Voss, M. and Wannicke, N. (2010)
Effects of ocean acidification on the turnover of organic matter in pelagic ecosystems ,
BIOACID / EPOCA / UKOARP Meeting Bremerhaven 27-30 Sept 2010. .
hdl:10013/epic.36997

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
Wurst, M. , Händel, N. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, 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
Wannicke, N. , Unger, J. , Endres, S. , Nausch, M. , Nausch, G. , Grossart, H. P. , Voss, M. and Engel, A. (2010)
Growth and production of Nodularia spumigena under different CO2 concentrations - First results from a joint laboratory study ,
BIOACID / EPOCA / UKOARP Meeting Bremerhaven 27-30 Sept 2010. .
hdl:10013/epic.36999

Conference -Poster
Wannicke, N. , Unger, J. , Endres, S. , Nausch, M. , Grossart, H. P. , Voss, M. and Engel, A. (2010)
How elevated pCO2 and DOM derived from Nodularia grown at different pCO2 level modify bacterial growth and activity - first results from a joint laboratory study ,
BIOACID / EPOCA / UKOARP Meeting Bremerhaven 27-30 Sept 2010. .
hdl:10013/epic.36998

Conference -Invited talk
Engel, A. (2010)
How will biogeochemical processes in the ocean respond to sea surface warming? ,
Darwin Days, Darwin Center for Biogeosciences, NH Koningshof, Veldhoven, Netherlands.4.2010. .
hdl:10013/epic.34876

Conference -Talk
Lunau, M. , Erickson, M. , Voß, M. , Ducklow, H. and Engel, A. (2010)
IMPACT OF UNBALANCED NITRATE INPUTS ON THE MICROBIAL TRANSFORMATION OF NITROGEN: A STABLE ISOTOPE AND SORTING FLOW CYTOMETRIC STUDY ,
ASLO Summer Meeting (with NABS), Santa Fe, NM,USA June .
hdl:10013/epic.35316

Conference -Invited talk
Engel, A. (2010)
Microbial Control of Dissolved Organic Matter in Changing Seas ,
Leibniz Institute of Marine Sciences (IFM-GEOMAR), Colloquium.5.2010. .
hdl:10013/epic.35234

Conference -Talk
Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Bauerfeind, E. , Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Engel, A. , Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, 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. ORCID: https://orcid.org/0000-0002-7527-7827 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

Conference -Poster
Wurst, M. , Händel, N. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 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 -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
Schartau, M. , Colijn, F. , Engel, A. , Gerdts, G. ORCID: https://orcid.org/0000-0003-0872-3927, Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, Schlüter, M. ORCID: https://orcid.org/0000-0002-4997-3802 and Moll, A. (2010)
Towards an integrative approach in phytoplankton and microbial ecology. ,
ICES-WGPME Annual Meeting, Aberdeen, UK. .
hdl:10013/epic.34867

Conference -Invited talk
Engel, A. (2010)
Why marine organics matter when climate changes ,
University Hamburg, Colloquium. .
hdl:10013/epic.35263

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
Biermann, A. and Engel, A. (2009)
Effect of CO2 on the properties and sinking velocity of aggregates of the coccolithophore Emiliania huxleyi. ,
ASLO Aquatic Sciences Meeting 2009, 25.-30. January, Nice, France. .
hdl:10013/epic.31816

Conference -Poster
Engel, A. (2009)
Effects of climate change on the emission of biogenic primary organic aerosols from marine systems ,
SOPRAN Annual Meeting 2009, IFM-GEOMAR, Kiel, Germany. .
hdl:10013/epic.32394

Conference -Talk
Biermann, A. , Engel, A. , Sommer, U. and Riebesell, U. (2009)
Effects of temperature and copepod density on the cycling of organic matter the 2009 Kiel mesocosm experiment ,
AQUASHIFT workshop September 7-9 .
hdl:10013/epic.33298

Conference -Talk
Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Engel, A. , Metfies, K. ORCID: https://orcid.org/0000-0003-3073-8033, Niehoff, B. and Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827 (2009)
Plankton ecology in a changing Arctic Ocean - Planned investigations within the new AWI research programme- ,
Workshop: Developing Long Term International Collaboration on Methane Hydrate Research and Monitoring in the Arctic Region, 18 - 20 February 2009, NIOZ (The Netherlands). .
hdl:10013/epic.32610

Conference -Poster
Engel, A. , Biermann, A. , Szlosek, J. , Abramson, L. and Lee, C. (2009)
Role of biogenic minerals in particle aggregation processes and potential sensitivities to ocean acidification ,
ASLO Aquatic Sciences Meeting 2009, 25.-30. January, Nice, France. .
hdl:10013/epic.31823

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 -Invited talk
Engel, A. (2009)
Will the biological pump respond to ocean acidification? ,
Gordon Research Conferences; Chemical Oceanography; Process, Dynamics, and Change in the Anthropocene Ocean; 2.-7.8.2009, Tilton, NH, USA. .
hdl:10013/epic.33220

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. , 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
Wurst, M. , Voß, M. , Engel, A. , Grossart, H. P. , Riebesell, U. and Lunau, M. (2008)
Coupling of transparent exopolymer particle dynamics and microbiological processes during an acidification experiment in the Baltic Sea ,
SOPRAN Annual Meeting 2008, Warnemünde, Germany. .
hdl:10013/epic.30203

Conference -Talk
Wurst, M. , Voss, M. , Engel, A. , Grossart, H. P. , Riebesell, U. and Lunau, M. (2008)
Coupling of transparent exopolymer particle dynamics and microbiological processes during an ocean acidification experiment in the Baltic Sea ,
Ocean Science Meeting, March 2-7, 2008, Orlando, Florida. .
hdl:10013/epic.30200

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
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 -Invited talk
Engel, A. (2008)
Organic and export production, elemental ratios ,
Workshop on Best Practices for Ocean Acidification Research and Data Reporting, IFM-GEOMAR, Kiel, Germany.11.2008. .
hdl:10013/epic.31546

Conference -Talk
Szlosek, J. , Engel, A. , Armstrong, R. and Lee, C. (2008)
POTENTIAL EFFECTS OF CLIMATE CHANGE ON PARTICLE COAGULATION EFFICIENCY IN THE OCEAN ,
Ocean Sciences Meeting, March 3-7, Orlando, Florida, USA. .
hdl:10013/epic.30158

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 -Invited talk
Engel, A. (2008)
Reactivity and fate of organic matter in the ocean ,
IFM-GEOMAR, colloquium. .
hdl:10013/epic.30034

Conference -Invited talk
Engel, A. (2008)
Testing the effects of ocean acidification on marine plankton: What can we expect in the future? ,
SOMAS Special Seminar, Stony Brook University, Stony Brook, USA. .
hdl:10013/epic.30955

Conference -Talk
Schartau, M. , Engel, A. and Colijn, F. (2008)
Transformation of dissolved organic matter and its diverse effect on higher trophic level ,
2008 ICES Annual Science Conference. .
hdl:10013/epic.31456

Conference -Talk
Biermann, A. , Engel, A. , Sommer, U. and Riebesell, U. (2008)
The combined effect of temperature and light on the cycling of organic matter during a phytoplankton bloom- a mesocosm study ,
DGL, Jahrestagung 2008, Konstanz. .
hdl:10013/epic.31240

Conference -Talk
Wohlers, J. , Engel, A. , Zöllner, E. , Sommer, U. and Riebesell, U. (2008)
The impact of rising sea surface temperature on the cycling of organic matter : an indoor mesocosm study ,
Effects of Climate Change on the World's Oceans. International Symposium, Gijon, Spain, May 19-23 .
hdl:10013/epic.30587

Conference -Talk
Schartau, M. , Engel, A. , Piontek, J. and Rost, B. ORCID: https://orcid.org/0000-0001-5452-5505 (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 -Talk
Szlosek, J. , Engel, A. , Lee, C. and Armstrong, R. (2007)
COAGULATION EFFICIENCY OF PHYTOPLANKTON CELLS DURING DIFFERENT GROWTH STAGES AND ITS RELATIONSHIP TO EXOPOLYMER PARTICLE PROPERTIES ,
ASLO, Aquatic Sciences Meeting, Santa Fe, New Mexico .
hdl:10013/epic.26402

Conference -Talk
Sommer, U. , Aberle, N. , Breithaupt, P. , Engel, A. , Hoppe, H. G. , Jürgens, K. , Lengfellner, K. , Riebesell, U. , Walther, K. and Wohlers, J. (2007)
Climate change, seasonal plankton succession and mismatch in food chains ,
37th Annual Conference of the Ecological Society of Germany, Switzerland and Austria, Marburg.09.07. .
hdl:10013/epic.28011

Conference -Talk
Szlosek, J. , Engel, A. , Lee, C. and Armstrong, R. A. (2007)
Coagulation efficiency of phytoplankton cells during different growth stages and its relationship to exopolymer particle properties ,
ASLO Aquatic Science Meeting, Santa Fe, NM, USA. .
hdl:10013/epic.28465

Conference -Talk
Engel, A. , Bellerby, R. , Delille, B. , Schulz, K. , Riebesell, U. and Schartau, M. (2007)
Effect of CO2 concentration on suspended particle dynamics during a mesocosm bloom experiment (Peece II) ,
European Geosciences Union, General Assembly 2007, Vienna. .
hdl:10013/epic.26599

Conference -Poster
Biermann, A. and Engel, A. (2007)
Effect of CO2 on the properties and sinking velocity of aggregates of the coccolithophore Emiliania huxleyi ,
97th annual meeting GV, Bremen, Germany.. .
hdl:10013/epic.27878

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 -Talk
Passow, U. , De La Rocha, C. , Arnosti, C. , Grossart, H. P. , Murray, A. E. and Engel, A. (2007)
Overview of a mesocosm experiment investigating the impact of phytoplankton on the microbial loop ,
American Society of Limnology and Oceanography 2007: Aquatic Sciences Meeting: Water Rocks! Santa Fe, New Mexico. .
hdl:10013/epic.26309

Conference -Talk
Lunau, M. , Martens-Habbena, W. , Simon, M. , Engel, A. and Gasol, J. (2007)
Preservation of marine bacteria induces rapid changes of cellular nucleic acids ,
10th SAME, September 2-7 2007, Faro, Portugal. .
hdl:10013/epic.27653

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
Wohlers, J. , Engel, A. , Sommer, U. , Zöllner, E. and Riebesell, U. (2007)
The effect of rising sea surface temperature on the concentration, composition and stoichiometry of dissolved organic matter ,
37th Annual Conference of the Ecological Society of Germany, Switzerland and Austria (GfÖ), Marburg, Germany. .
hdl:10013/epic.28148

Conference -Invited talk
Engel, A. (2006)
Biogeochemistry of marine particle dynamics and its sensitivity to global change ,
ICBM Colloquium, University of Oldenburg, Oldenburg, Germany. .
hdl:10013/epic.25485

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. , Szlosek, J. , Abramson, L. , Liu, Z. , Stewart, G. , Hirschberg, D. and Lee, C. (2006)
Importance of Calcareous Shells in Aggregate Formation and Particle Decomposition for the Coccolithophorid Emiliania Huxleyi ,
American Geophysical Union, Oceans Science Meeting 2006, Honolulu, Hawaii .
hdl:10013/epic.24958

Conference -Talk
Wohlers, J. , Engel, A. and Riebesell, U. (2006)
The impact of temperature on the temporal development of phytoplankton stoichiometry during a spring bloom ,
3rd AQUASHIFT workshop, 14.-16.11.2006, Kiel. .
hdl:10013/epic.25954

Conference -Invited talk
Engel, A. (2006)
The sensitivity of the Biologigal Pump to changing CO2 in the Ocean: What can we learn from present day experiments? ,
3rd Japanese-German Frontiers of Science Symposium, Alexander von Humboldt Foundation, Heidelberg, Germany. .
hdl:10013/epic.25926

Conference -Talk
Lee, C. , Armstrong, R. , Engel, A. , Xue, J. , Beck, A. , Liu, Z. , Cochran, K. , Peterson, M. , Wakeham, S. and Miquel, J. (2005)
PERSPECTIVES ON MECHANISMS DRIVING PARTCULATE ORGANIC CARBON (POC) FLUX: INSIGHTS FROM MEDFLUX ,
20-24 June 2005, Santiago de Compostela, Spain ASLO Summer Meeting. .
hdl:10013/epic.27623

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

Conference -Poster
Benthien, A. ORCID: https://orcid.org/0000-0002-9159-3109, Riebesell, U. , Engel, A. , Zondervan, I. , Hefter, J. ORCID: https://orcid.org/0000-0002-5823-1966, Delille, B. , Harlay, J. and Jacquet, S. (2004)
Alkenone carbon isotopes during a bloom of Emiliania huxleyi: Effects of CO2 concentration and production. ,
8th International Conference on Paleoceanography (ICP VIII), 5-10 Sept., Biarritz, France .
hdl:10013/epic.22269

Conference -Invited talk
Engel, A. (2004)
From dissolved to particulate organic matter: How exopolymer aggregation affects the marine carbon cycle ,
OCEANS AND ATMOSPHERE COLLOQUIUM, Marine Science Research Center, Sate University of New York at Stony Brook, Stony Brook, USA. .
hdl:10013/epic.25486

Conference -Talk
Thoms, S. and Engel, A. (2004)
Modeling the formation of tramsparent exopolymer particles during a bloom of the coccolithophorid Emiliania huxleyi. ,
ASLO/TOS Ocean Research conference. February 2004, Honolulu, USA. .
hdl:10013/epic.25329

Conference -Poster
Riebesell, U. , Allgaier, M. , Avgoustidi, V. , Bellerby, R. , Carbonnel, V. , Chou, L. , Delille, B. , Egge, J. , Engel, A. , Grossart, H. P. , Huonnic, P. , Jansen, S. , Johannessen, T. , Joint, I. , Krigstad, S. , Lovdal, T. , Martin-Jézéquel, V. , Moros, C. , Mühling, M. , Nightingale, M. , Passow, U. , Rost, B. ORCID: https://orcid.org/0000-0001-5452-5505, Schulz, K. , Skjelvan, I. , Terbrüggen, A. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2004)
Pelagic Ecosystems in a High CO2 Ocean: the Mesocosm Approach ,
Solas Open Science Conference 2004, 13.-16.October, Halifax, Nova Scotia, Canada. .
hdl:10013/epic.21850

Conference -Talk
Grossart, H. P. , Allgaier, M. , Passow, U. , Engel, A. , Schlulz, K. and Riebesell, U. (2004)
The effect of different CO2 concentrations on bacterial abundance and activity in the course of a diatom bloom ,
Abstract VAM, Braunschweig. .
hdl:10013/epic.20681

Conference -Poster
Benthien, A. ORCID: https://orcid.org/0000-0002-9159-3109, Zondervan, I. , Riebesell, U. , Engel, A. , Hefter, J. ORCID: https://orcid.org/0000-0002-5823-1966, Delille, B. , Harlay, J. and Jacquet, S. (2003)
Alkenone carbon isotopes during a bloom of Emiliania huxleyi: Effects of CO2 concentration and production. ,
EGS-AGU-EUG Joint Assembly, 7-11 April, Nice, France .
hdl:10013/epic.22280

Conference -Talk
Zondervan, I. , Aerts, K. , Bellerby, R. , Beaufort, L. , Benthien, A. ORCID: https://orcid.org/0000-0002-9159-3109, Chou, L. , Delille, B. , Engel, A. , Gattuso, J. P. , Harlay, J. , Heemann, C. , Hoffmann, L. , Jacquet, S. , Nejstgaard, J. , Pizay, M. D. , Riebesell, U. , Rochelle-Newall, E. , Schneider, U. and Terbrüggen, A. (2003)
Biological responses to CO2-related changes in seawater carbonate chemistry during a bloom of Emiliania huxleyi ,
EGS-AGU-EUG Joint Assembly, 6-11 April, Nice, France. .
hdl:10013/epic.23417

Conference -Poster
Schneider, B. , Engel, A. and Schlitzer, R. ORCID: https://orcid.org/0000-0002-3740-6499 (2003)
Effects of depth and CO2-dependent C:N ratios of POM on the marine carbon cycle ,
EGS-AGU-EUG Joint Assembly, 7-11 Apr., Nice, France. .
hdl:10013/epic.20149

Conference -Poster
Thoms, S. , Engel, A. , Riebesell, U. and Zondervan, I. (2003)
Modeling the aggregation of dissolved polysaccharides during a marine phytoplankton bloom ,
OCEANS: Ocean Biogeochemistry and Ecosystems, 7-10 January, Paris, France. .
hdl:10013/epic.23414

Conference -Talk
Schartau, M. , Engel, A. , Völker, C. ORCID: https://orcid.org/0000-0003-3032-114X, Wolf-Gladrow, D. ORCID: https://orcid.org/0000-0001-9531-8668 and Schröter, J. ORCID: https://orcid.org/0000-0002-9240-5798 (2003)
Modelled sensitivities of biogenic carbon fluxes to variations in carbon dioxide ,
EGS-AGU-EUG Joint Assembly, April 2003, Nice, France. .
hdl:10013/epic.19112

Conference -Talk
Engel, A. , Heemann, C. , Schartau, M. , Schneider, U. , Thoms, S. , Delille, B. , Jacquet, S. , Zondervan, I. and Riebesell, U. (2003)
Transparent Exopolymer Particles (TEP) production by marine phytoplankton in response to increasing CO2: laboratory and field mesocosm experiments. EGS - AGU - EUG Joint Assembly, Nice, France, April 2003 ,
. .
hdl:10013/epic.19444

Conference -Talk
Passow, U. and Engel, A. (2002)
The role of aggregation for the dissolution of diatom frustules ,
FEMS, Taormina, Sicily. .
hdl:10013/epic.17091

Conference -Talk
Passow, U. and Engel, A. (2001)
The Role of Transparent Exopolymer Particles (TEP) in determining C:N ratios of particulate matter ,
ASLO, Alberquerque, USA. .
hdl:10013/epic.17093

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