Items where Author is "Koch, Florian"

Möller, K. ORCID: https://orcid.org/0000-0002-4590-6223, Tillmann, U. ORCID: https://orcid.org/0000-0002-8207-4382, Pöchhacker, M. , Varga, E. , Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101, Porreca, F. , Koch, F. , Harris, T. M. and Meunier, C. L. ORCID: https://orcid.org/0000-0002-4070-4286 (2024)
Toxic effects of the emerging Alexandrium pseudogonyaulax (Dinophyceae) on multiple trophic levels of the pelagic food web , doi:10.1016/j.hal.2024.102705 , hdl:10013/epic.1c2ac643-3c6c-463a-b078-9ce3bb03f2c3

Möller, K. ORCID: https://orcid.org/0000-0002-4590-6223, Tillmann, U. ORCID: https://orcid.org/0000-0002-8207-4382, Pöchhacker, M. , Varga, E. , Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101, Porreca, F. , Koch, F. , Harris, T. M. and Meunier, C. L. ORCID: https://orcid.org/0000-0002-4070-4286 (2024)
Toxic effects of the emerging Alexandrium pseudogonyaulax (Dinophyceae) on multiple trophic levels of the pelagic food web , doi:10.1016/j.hal.2024.102705 , hdl:10013/epic.7eec25f5-e2bc-4b70-938a-6aa83635bc5c

Böckmann, S. , Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927, Schubert, H. and Koch, F. (2024)
Grazing by nano- and microzooplankton on heterotrophic picoplankton dominates the biological carbon cycling around the Western Antarctic Peninsula , doi:10.1007/s00300-024-03231-2 , hdl:10013/epic.5711c551-cd24-47cb-a2e4-2a1ca92ee070

Möller, K. , Thoms, S. , Tillmann, U. ORCID: https://orcid.org/0000-0002-8207-4382, Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664 and Meunier, C. L. (2024)
Effects of bottom‐up factors on growth and toxin content of a harmful algae bloom dinoflagellate , doi:10.1002/lno.12576 , hdl:10013/epic.097df263-d028-477a-8c64-b893f311e45a

Möller, K. , Thoms, S. , Tillmann, U. ORCID: https://orcid.org/0000-0002-8207-4382, Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664 and Meunier, C. L. (2024)
Effects of bottom‐up factors on growth and toxin content of a harmful algae bloom dinoflagellate , doi:10.1002/lno.12576 , hdl:10013/epic.c696f3a5-9fe5-4a5b-9e40-eefd7a25d480

Balaguer, J. , Koch, F. , Flintrop, C. M. , Völkner, C. , Iversen, M. H. ORCID: https://orcid.org/0000-0002-5287-1110 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2023)
Iron and manganese availability drives primary production and carbon export in the Weddell Sea , doi:10.1016/j.cub.2023.08.086 , hdl:10013/epic.bb28d3b4-42df-439b-865d-0ac3fb41b405

Möller, K. , Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101 and Koch, F. (2022)
Method optimization of the simultaneous detection of B12 congeners leading to the detection of a novel isomer of hydroxycobalamin in seawater , doi:10.1002/rcm.9401 , hdl:10013/epic.c7db5ff3-9ab5-4928-8f1b-ed456779cee9

Möller, K. , Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101 and Koch, F. (2022)
Method optimization of the simultaneous detection of B12 congeners leading to the detection of a novel isomer of hydroxycobalamin in seawater , doi:10.1002/rcm.9401 , hdl:10013/epic.ead862de-9d98-4c36-aa11-27aaf23ec367

Balaguer, J. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Hassler, C. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2022)
Iron and manganese co-limit the growth of two phytoplankton groups dominant at two locations of the Drake Passage , doi:10.1038/s42003-022-03148-8 , hdl:10013/epic.8e98c54c-bbfc-424f-a1d9-7e762a194ec0

Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Hassler, C. ORCID: https://orcid.org/0000-0002-9663-5072, Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Bischof, K. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2022)
Responses of a natural phytoplankton community from the Drake Passage to two predicted climate change scenarios , doi:10.3389/fmars.2022.759501 , hdl:10013/epic.f7e4e395-7568-4d2b-82d3-f5b484e8d29c

Purser, A. ORCID: https://orcid.org/0000-0001-5427-0151, Hehemann, L. ORCID: https://orcid.org/0000-0003-0967-8945, Boehringer, L. ORCID: https://orcid.org/0000-0001-7322-5145, Tippenhauer, S. ORCID: https://orcid.org/0000-0003-3405-6275, Wege, M. , Bornemann, H. , Pineda Metz, S. ORCID: https://orcid.org/0000-0001-7780-6449, Flintrop, C. M. ORCID: https://orcid.org/0000-0002-5711-0521, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Hellmer, H. ORCID: https://orcid.org/0000-0002-9357-9853, Burkhardt-Holm, P. ORCID: https://orcid.org/0000-0001-5396-6405, Janout, M. ORCID: https://orcid.org/0000-0003-4908-2855, Werner, E. , Glemser, B. , Balaguer, J. , Rogge, A. ORCID: https://orcid.org/0000-0002-4036-4082, Holtappels, M. ORCID: https://orcid.org/0000-0003-3682-1903 and Wenzhöfer, F. ORCID: https://orcid.org/0000-0002-4621-0586 (2022)
Hot off the Press: A vast icefish breeding colony discovered in the Antarctic , hdl:10013/epic.04e2106f-3422-4e6b-aacc-958a0f85cd31

Purser, A. , Hehemann, L. ORCID: https://orcid.org/0000-0003-0967-8945, Boehringer, L. , Tippenhauer, S. ORCID: https://orcid.org/0000-0003-3405-6275, Wege, M. , Bornemann, H. , Pineda-Metz, S. E. , Flintrop, C. M. ORCID: https://orcid.org/0000-0002-5711-0521, Koch, F. , Hellmer, H. H. ORCID: https://orcid.org/0000-0002-9357-9853, Burkhardt-Holm, P. , Janout, M. ORCID: https://orcid.org/0000-0003-4908-2855, Werner, E. , Glemser, B. , Balaguer, J. , Rogge, A. ORCID: https://orcid.org/0000-0002-4036-4082, Holtappels, M. ORCID: https://orcid.org/0000-0003-3682-1903 and Wenzhoefer, F. ORCID: https://orcid.org/0000-0002-4621-0586 (2022)
A vast icefish breeding colony discovered in the Antarctic , doi:10.1016/j.cub.2021.12.022 , hdl:10013/epic.72d15b13-848f-4896-b0e2-073be283a1b7

Pagnone, A. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2021)
The Southern Ocean diatom Pseudo-nitzschia subcurvata flourished better under simulated glacial than interglacial ocean conditions: Combined effects of CO2 and iron , doi:10.1371/journal.pone.0260649 , hdl:10013/epic.149f9b3e-9689-4f11-adb1-81e3d9e05b4c

Pauli, N. C. ORCID: https://orcid.org/0000-0001-8916-8229, Flintrop, C. M. ORCID: https://orcid.org/0000-0002-5711-0521, Konrad, C. , Pakhomov, E. A. , Swoboda, S. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Wang, X. L. , Zhang, J. C. , Brierley, A. S. , Bernasconi, M. , Meyer, B. ORCID: https://orcid.org/0000-0001-6804-9896 and Iversen, M. ORCID: https://orcid.org/0000-0002-5287-1110 (2021)
Krill and salp faecal pellets contribute equally to the carbon flux at the Antarctic Peninsula , doi:10.1038/s41467-021-27436-9 , hdl:10013/epic.d32e42b0-846e-46ea-a399-9f42ab36fa33

Böckmann, S. , Koch, F. , Meyer, B. , Pausch, F. , Iversen, M. , Driscoll, R. , Laglera, L. M. , Hassler, C. and Trimborn, S. (2021)
Salp fecal pellets release more bioavailable iron to Southern Ocean phytoplankton than krill fecal pellets , doi:10.1016/j.cub.2021.02.033 , hdl:10013/epic.fefbe858-6ba5-4c92-84c9-b25cfd659b15

Böckmann, S. ORCID: https://orcid.org/0000-0001-5917-5487, Koch, F. , Meyer, B. ORCID: https://orcid.org/0000-0001-6804-9896, Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304, Iversen, M. ORCID: https://orcid.org/0000-0002-5287-1110, Driscoll, R. , Laglera, L. M. , Hassler, C. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2021)
Salp fecal pellets release more bioavailable iron to Southern Ocean phytoplankton than krill fecal pellets , hdl:10013/epic.ad8f2e85-93e4-4664-9bd7-ae84d945d41b

Peter, C. , Thoms, S. ORCID: https://orcid.org/0000-0002-0721-711X, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Sartoris, F. J. ORCID: https://orcid.org/0000-0001-7228-3220 and Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902 (2020)
Effects of sponge-derived Ageladine A on the photosynthesis of different microalgal species and strains , doi:10.1371/journal.pone.0244095 , hdl:10013/epic.676ec8f6-b02a-448a-9726-d36827995c19

Peter, C. , Thoms, S. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Sartoris, F. J. and Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902 (2020)
Sponge-derived Ageladine A affects the in vivo fluorescence emission spectra of microalgae , doi:10.1371/journal.pone.0242464 , hdl:10013/epic.28490c51-d841-4dbe-a4c4-f4d7a5b1b51b

Geuer, J. K. ORCID: https://orcid.org/0000-0002-9663-5072, Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Brenneis, T. , Krock, B. ORCID: https://orcid.org/0000-0003-4022-9101 and Koch, B. P. ORCID: https://orcid.org/0000-0002-8453-731X (2020)
Dissolved Domoic Acid Does Not Improve Growth Rates and Iron Content in Iron-Stressed Pseudo-Nitzschia subcurvata , doi:10.3389/fmars.2020.00478 , hdl:10013/epic.fc3eab1b-04c7-4db5-9e17-6341059d98ac

Koch, F. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2019)
Iron, zinc, cobalt and vitamin B12 limitation strongly affect the physiology of two Antarctic phytoplankton species , doi:10.3389/fmars.2019.00514 , hdl:10013/epic.dbb368d0-2ccf-4235-9285-49faa15d46f3

Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2019)
Limitation by Fe, Zn, Co and B12 results in similar physiological responses in two Antarctic phytoplankton species , doi:10.3389/fmars.2019.00514 , hdl:10013/epic.76a90f92-9bca-44e2-bf5c-697ab610b36f

Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Thoms, S. , Koch, F. , Petety Mukagatare, L. , Silalahi, R. and Sartoris, F. J. (2019)
Enhancement of photosynthesis in Synechococcus bacillaris by sponge-derived Ageladine A , doi:10.1371/journal.pone.0213771 , hdl:10013/epic.f129ff61-1e96-4bbb-8d15-340f7dd373fd

Koch, F. , Beszteri, S. , Harms, L. ORCID: https://orcid.org/0000-0001-7620-0613 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2018)
The impacts of iron limitation and ocean acidification on the cellular stoichiometry, photophysiology, and transcriptome of Phaeocystis antarctica , doi:10.1002/lno.11045 , hdl:10013/epic.085c2a33-2af2-4d75-94a8-93bc7f8e7c8c

Flintrop, C. M. ORCID: https://orcid.org/0000-0002-5711-0521, Glemser, B. ORCID: https://orcid.org/0000-0002-5747-0244, Rogge, A. ORCID: https://orcid.org/0000-0002-4036-4082, Balaguer, J. ORCID: https://orcid.org/0000-0001-9330-2275, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Voelkner, C. , Peeken, I. ORCID: https://orcid.org/0000-0003-1531-1664, Eggers, L. ORCID: https://orcid.org/0000-0001-6094-3201, Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 and Iversen, M. ORCID: https://orcid.org/0000-0002-5287-1110 (2022)
Impact of phytoplankton composition on carbon export in the southern Weddell Sea , hdl:10013/epic.a0b4de8c-d0f9-4695-a66f-2b39371fc15d

Balaguer, J. ORCID: https://orcid.org/0000-0001-9330-2275, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Flintrop, C. M. ORCID: https://orcid.org/0000-0002-5711-0521, Iversen, M. ORCID: https://orcid.org/0000-0002-5287-1110 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2022)
Iron and Manganese: major drivers of Southern Ocean phytoplankton ecology and productivity , hdl:10013/epic.8c89c5a1-20d2-4e7c-8308-f261152f09c8

Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Thoms, S. ORCID: https://orcid.org/0000-0002-0721-711X, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Petety-Mukagatare, L. , Sartoris, F. J. ORCID: https://orcid.org/0000-0001-7228-3220 and Peter, C. (2021)
A marine sponge-derived secondary metabolite enhances photosynthesis in Synechococcus bacillaris and putatively in other micro-algae , hdl:10013/epic.06973089-5b27-4ae1-8eb1-1d22589c0873

Balaguer, J. , Koch, F. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2021)
Iron and manganese co-limitation: a potential driver of phytoplanlton species composition in the Southern Ocean , hdl:10013/epic.81c6599c-5ed5-4ede-b7ba-fb9912d7f69b

Balaguer, J. , Koch, F. , Hassler, C. S. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2021)
Phytoplankton species composition is governed by both iron and manganese limitation in the Drake Passage. , hdl:10013/epic.30eb32a6-7cf9-4231-927f-de7419ed4f0b

Balaguer, J. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 , arine Botany, University of Bremen, 28359 Bremen, Germany, University of Applied Science Bremerhaven, 27568 Bremerhaven, Germany, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 25570, Bremerhaven, Germany (2020)
Limitation by iron and manganese on phytoplankton communities in the Drake Passage. ,

Faucher, G. , Wuttig, K. , Bettoni, C. , Erba, E. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927, Völkner, C. and Hoffmann, L. (2020)
Influence of volcanic ash on growth and morphology of coccolithophore algae. , hdl:10013/epic.834037ab-3d7e-4b45-9ece-55d8226e3c8c

Balaguer, J. , Koch, F. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2020)
Limitation by iron and manganese of phytoplankton communities in the Drake Passage , hdl:10013/epic.dc17dbc4-6564-4bfc-a426-1faff45c5f86

Balaguer, J. , Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2020)
Limitation by iron and manganese on phytoplankton communities in the Drake Passage , doi:10.5194/ egusphere-egu2020-3950 , hdl:10013/epic.9c80b349-6d7c-42a0-b1b0-c626a7f7457f

Böckmann, S. ORCID: https://orcid.org/0000-0001-5917-5487, Koch, F. , Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304, Pagnone, A. , Wilhelms-Dick, D. , Laglera, L. , Sukekava, C. , Meyer, B. ORCID: https://orcid.org/0000-0001-6804-9896, Hassler, C. S. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2019)
From the origin of Feces - The impact of krill and salp fecal pellets on iron chemistry and iron bioavailability to Southern Ocean phytoplankton , hdl:10013/epic.b1e4e702-3c44-46c6-85ab-a9b332fbdafe

Böckmann, S. ORCID: https://orcid.org/0000-0001-5917-5487, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304, Pagnone, A. , Wilhelms-Dick, D. , Laglera, L. , Sukekava, C. , Meyer, B. ORCID: https://orcid.org/0000-0001-6804-9896, Hassler, C. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2019)
From the origin of Feces - The impact of krill and salp fecal pellets on iron chemistry and iron bioavailability to Southern Ocean phytoplankton , hdl:10013/epic.050dda56-2d58-4948-9b96-eb0c583b2d88

Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304, Koch, F. ORCID: https://orcid.org/0000-0001-7107-4160, Heiden, J. , Wiegmann, S. , Bracher, A. ORCID: https://orcid.org/0000-0003-3025-5517, Brussaard, C. P. D. ORCID: https://orcid.org/0000-0002-6320-9229, Hassler, C. S. ORCID: https://orcid.org/0000-0002-8976-5469 and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2019)
Interactive effects of light, CO2 and iron on Antarctic phytoplankton growth and physiology , hdl:10013/epic.e52e7407-324c-4d87-99a2-a544892c16d3

Balaguer, J. , Koch, F. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2019)
Effect of Fe-Mn co-limitation on phytoplankton communities composition of natural assemblage across the Drake Passage. , doi:28215

Thoms, S. , Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Koch, F. , Petety Mukagatare, L. , Silalahi, R. and Sartoris, F. J. (2019)
Enhancement of photosynthesis in Synechococcus bacillaris by sponge-derived Ageladine A: a theoretical perspective , hdl:10013/epic.6a2cc5db-02f3-48f8-b857-1133f45799c1

Pausch, F. ORCID: https://orcid.org/0000-0002-4207-1304, Heiden, J. P. , Koch, F. , Hassler, C. S. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2018)
Combined effects of light, CO2 and iron on Antarctic phytoplankton , hdl:10013/epic.76b5cd24-56a5-4f65-a3e9-14b25918014c

Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Thoms, S. , Petety Mukagatare, L. , Koch, F. and Sartoris, F. J. (2017)
A sponge fluorescent secondary metabolite absorbes light in the UV/blue colour range and increases O2 concentrations in cultures of microalgae , hdl:10013/epic.51998

Koch, F. , Brenneis, T. , Wilhelms-Dick, D. , Völkner, C. , Beszteri, S. and Trimborn, S. ORCID: https://orcid.org/0000-0003-1434-9927 (2017)
Physiological response of Phaeocystis antarctica (Prymnesiophyceae) to iron limitation and ocean acidification , hdl:10013/epic.51558

Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Petety Mukagatare, L. , Koch, F. , Thoms, S. and Sartoris, F. J. (2016)
A sponge fluorescent secondary metabolite increases O2 concentrations in cultures of blue green algae of the genus Synechococcus via increased light harvesting and reduced respiration , hdl:10013/epic.48600

Koch, F. (2016)
Isotopes in Ocean Sciences , hdl:10013/epic.49624