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Tobias Vonnahme

PhD candididate Department of Arctic and Marine Biology
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Arctic SIZE (seasonal ice zone ecology)

  • Vonnahme, Tobias; Leroy, Martial; thoms, silke; van Oevelen, Dick; Harvey, Rodger; Kristiansen, Svein; Gradinger, Rolf; Dietrich, Ulrike; Völker, Christoph. Modeling silicate–nitrate–ammonium co-limitation of algal growth and the importance of bacterial remineralization based on an experimental Arctic coastal spring bloom culture study. Biogeosciences 2021; Volum 18. ISSN 1726-4170.s 1719 - 1747.s doi: 10.5194/bg-18-1719-2021.

  • Vonnahme, Tobias; Persson, Emma; Dietrich, Ulrike; Hejdukova, Eva; Dybwad, Christine; Elster, Josef; Chierici, Melissa; Gradinger, Rolf. Early spring subglacial discharge plumes fuel under-ice primary production at a Svalbard tidewater glacier. The Cryosphere 2021; Volum 15 (4). ISSN 1994-0416.s 2083 - 2107.s doi: 10.5194/tc-15-2083-2021.

  • Delpech, Lisa-Marie; Vonnahme, Tobias; Mcgovern, Maeve; Gradinger, Rolf; Præbel, Kim; Poste, Amanda. Terrestrial Inputs Shape Coastal Bacterial and Archaeal Communities in a High Arctic Fjord (Isfjorden, Svalbard). Frontiers in Microbiology 2021; Volum 12. ISSN 1664-302X.s doi: 10.3389/fmicb.2021.614634.

  • Vonnahme, Tobias R.; Dietrich, Ulrike; Hassett, Brandon. Progress in Microbial Ecology in Ice-Covered Seas. Springer 2020 ISBN 978-3-030-20389-4.s 261 - 277.s doi: 10.1007/978-3-030-20389-4_14.

  • Vonnahme, Tobias R.; Molari, Massimiliano; Janssen, Felix; Wenzhöfer, Frank; Haeckel, Matthias; Titschak, Juergen; Boetius, Antje. Effects of a deep-sea mining experiment on seafloor microbial communities and functions after 26 years. Science Advances 2020; Volum 6 (18). ISSN 2375-2548.s doi: 10.1126/sciadv.aaz5922.

  • Hassett, Brandon Thomas; Borrego, Eli; Vonnahme, Tobias R.; Rämä, Teppo; Kolomiets, M.V.; Gradinger, Rolf. Arctic marine fungi: biomass, functional genes, and putative ecological roles. The ISME Journal 2019; Volum 13 (6). ISSN 1751-7362.s 1484 - 1496.s doi: 10.1038/s41396-019-0368-1.

  • Hassett, Brandon; Vonnahme, Tobias R.; Peng, Xuefeng; Jones, E.B. Gareth; Heuzé, Céline. Global diversity and geography of planktonic marine fungi. Botanica Marina 2019. ISSN 0006-8055.s doi: 10.1515/bot-2018-0113.

  • Gründger, Friederike; Carrier, Vincent; Svenning, Mette Marianne; Panieri, Giuliana; Vonnahme, Tobias R.; Klasek, Scott; Niemann, Helge. Methane-fuelled bioflms predominantly composed of methanotrophic ANME-1 in Arctic gas hydrate-related sediments. Scientific Reports 2019; Volum 9. ISSN 2045-2322.s 1 - 10.s doi: 10.1038/s41598-019-46209-5.

  • Vonnahme, Tobias; Devetter, Miloslav; Zarsky, Jakub D.; Sabacka, Marie; Elster, Josef. Controls on microalgal community structures in cryoconite holes upon high Arctic glaciers, Svalbard. Biogeosciences 2016; Volum 13. ISSN 1726-4170.s 659 - 674.s doi: 10.5194/bg-13-659-2016,2016.

  • Zawierucha, Krzysztof; Ostrowska, Marta; Vonnahme, Tobias; Devetter, Miloslav; Nawrot, Adam P.; Lehmann, Sarah; Kolicka, Małgorzata. Diversity and distribution of Tardigrada in Arctic cryoconite holes. Journal of Limnology 2016; Volum 75 (3). ISSN 1129-5767.s doi: 10.4081/jlimnol.2016.1453.

  • Zawierucha, Krzysztof; Vonnahme, Tobias; Devetter, Miloslav; Kolicka, Małgorzata; Ostrowska, Marta; Chmielewski, Sebastian; Kosicki, Jakub Z.. Area, depth and elevation of cryoconite holes in the Arctic do not influence Tardigrada densities. Polish Polar Research 2016; Volum 37 (2). ISSN 0138-0338.s 325 - 334.

  • Ingvaldsen, Randi Brunvær; Bluhm, Bodil; Aberle-Malzahn, Nicole; Amundsen, Rita; Ardelan, Murat Van; Bagøien, Espen; Bratbak, Gunnar; Bratrein, Marius; Chierici, Melissa; descoteux, raphaelle; Dietrich, Ulrike; Divine, Dimitry; Ellingsen, Pål Gunnar; Fransson, Agneta; Halvorsen, Elisabeth; Hoff, Siv Nam Khang; Holm, Else Agnete; Jentoft, Sissel; Jones, Elizabeth Marie; Jørgensen, Lis Lindal; Pedersen, Ronald; Sanchez, Nicolas; Skjoldal, Evy Foss; Stige, Leif Christian; Stippkugel, Angela; Seim, Silje Elisabeth; Supraha, Luka; Steinsland, Asgeir; Svensen, Camilla; Vader, Anna; Vieweg, Ireen; Vonnahme, Tobias R.; Åström, Emmelie. Joint Cruise 1-2 2018: Cruise Report. (Fulltekst: https://septentrio.uit.no/index.php/nansenlegacy/article/view/5628 2020.

  • Molari, Massimiliano; Janssen, Felix; Vonnahme, Tobias R.; Wenzhöfer, Frank; Boetius, Antje. The contribution of microbial communities in polymetallic nodules to the diversity of the deep-sea microbiome of the Peru Basin (4130–4198 m depth). Biogeosciences 2020. ISSN 1726-4170.s doi: 10.5194/bg-17-3203-2020.

  • Vonnahme, Tobias R.. CO₂-opptak i arktisk is, vann og bunn. Blogg: Arven etter Nansen. 2018.

  • Hauquier, Freia; Mevenkamp, Lisa; Great, Egho; Bezerra, Tania N.; Lins, Lidia; Janssen, Felix; Vonnahme, Tobias; Boetius, Antje; Van Reusel, Ann. Meiofauna response to physical disturbance at the DEA: the importance of scale to identify long-term effects. JPIO mining modelling workshop 2016-05-01 - 2016.

  • Vonnahme, Tobias; Janssen, Felix; Molari, Massimiliano; Wenzhöfer, Frank; Boetius, Antje. Effects of simulated deep-sea mining impacts on microbial communities and functions in the DISCOL experimental area. JPIO Modeling Workshop 2016-05-01 - 2016.

  • Vonnahme, Tobias; Janssen, Felix; Molari, Massimiliano; Wenzhöfer, Frank; Boetius, Antje. Slow microbial growth and recovery of microbial community structure after disturbances in the DISCOL experimental area. MIDAS annual meeting 2016-07-01 - 2016.

  • Vonnahme, Tobias. Microbial diversity and function of deep-sea manganese nodule ecosystems. 2016.

  • Janssen, Felix; Haeckel, Matthias; Wenzhöfer, Frank; Vonnahme, Tobias. Disturbance effects on sediment biogeochemistry: introduction to recent investigations at the DISCOL Experimental Area (DEA, Peru Basin, tropical SE Pacific). MIDAS annual meeting 2015-06-01 - 2015.

  • Vonnahme, Tobias R.; Stecher, Anique; Valentin, Klaus. Sea ice algae in the changing Arctic: Response to light stress and nitrogen limitation of Melosira arctica. Marmic meeting 2015-05-01 - 2015.

  • Vonnahme, Tobias R.; Völker, Christoph; Thoms, Silke. Modelling Phytoplankton Physiology - Photoacclimation, Nutrient limitation, Carbon fixation, Competition. Marmic meeting 2015-03-01 - 2015.

  • Vonnahme, Tobias R.; Rapp, Josephine. Bacteria – Diatom interactions and diversity in sea ice algae aggregates and cultures of Melosira arctica. 2015.

  • Vonnahme, Tobias; Schink, Bernhard. Microbial community structure in cryoconite holes in high Arctic glaciers on Svalbard. 2014.

  • Vonnahme, Tobias. Controls and interactions in cryoconite food webs upon three high Arctic glaciers on Svalbard. Polar Ecology Conference 2014-09-01 - 2014.

  • Ingvaldsen, Randi Brunvær; Bluhm, Bodil; Aberle-Malzahn, Nicole; Amundsen, Rita; Ardelan, Murat Van; Bagøien, Espen; Bratbak, Gunnar; Bratrein, Marius; Chierici, Melissa; descoteux, raphaelle; Dietrich, Ulrike; Divine, Dimitry; Ellingsen, Pål Gunnar; Fransson, Agneta; Halvorsen, Elisabeth; Hoff, Siv Nam Khang; Holm, Else Agnete; Jentoft, Sissel; Jones, Elizabeth Marie; Jørgensen, Lis Lindal; Pedersen, Ronald; Sanchez, Nicolas; Skjoldal, Evy Foss; Stige, Leif Christian; Stippkugel, Angela; Seim, Silje Elisabeth; Supraha, Luka; Steinsland, Asgeir; Svensen, Camilla; Vader, Anna; Vieweg, Ireen; Vonnahme, Tobias R.; Åström, Emmelie. Joint Cruise 1-2 2018: Cruise Report. (Fulltekst: https://septentrio.uit.no/index.php/nansenlegacy/article/view/5628 2020.

  • Molari, Massimiliano; Janssen, Felix; Vonnahme, Tobias R.; Wenzhöfer, Frank; Boetius, Antje. The contribution of microbial communities in polymetallic nodules to the diversity of the deep-sea microbiome of the Peru Basin (4130–4198 m depth). Biogeosciences 2020. ISSN 1726-4170.s doi: 10.5194/bg-17-3203-2020.

  • Vonnahme, Tobias R.. CO₂-opptak i arktisk is, vann og bunn. Blogg: Arven etter Nansen. 2018.

  • Hauquier, Freia; Mevenkamp, Lisa; Great, Egho; Bezerra, Tania N.; Lins, Lidia; Janssen, Felix; Vonnahme, Tobias; Boetius, Antje; Van Reusel, Ann. Meiofauna response to physical disturbance at the DEA: the importance of scale to identify long-term effects. JPIO mining modelling workshop 2016-05-01 - 2016.

  • Vonnahme, Tobias; Janssen, Felix; Molari, Massimiliano; Wenzhöfer, Frank; Boetius, Antje. Effects of simulated deep-sea mining impacts on microbial communities and functions in the DISCOL experimental area. JPIO Modeling Workshop 2016-05-01 - 2016.

  • Vonnahme, Tobias; Janssen, Felix; Molari, Massimiliano; Wenzhöfer, Frank; Boetius, Antje. Slow microbial growth and recovery of microbial community structure after disturbances in the DISCOL experimental area. MIDAS annual meeting 2016-07-01 - 2016.

  • Vonnahme, Tobias. Microbial diversity and function of deep-sea manganese nodule ecosystems. 2016.

  • Janssen, Felix; Haeckel, Matthias; Wenzhöfer, Frank; Vonnahme, Tobias. Disturbance effects on sediment biogeochemistry: introduction to recent investigations at the DISCOL Experimental Area (DEA, Peru Basin, tropical SE Pacific). MIDAS annual meeting 2015-06-01 - 2015.

  • Vonnahme, Tobias R.; Stecher, Anique; Valentin, Klaus. Sea ice algae in the changing Arctic: Response to light stress and nitrogen limitation of Melosira arctica. Marmic meeting 2015-05-01 - 2015.

  • Vonnahme, Tobias R.; Völker, Christoph; Thoms, Silke. Modelling Phytoplankton Physiology - Photoacclimation, Nutrient limitation, Carbon fixation, Competition. Marmic meeting 2015-03-01 - 2015.

  • Vonnahme, Tobias R.; Rapp, Josephine. Bacteria – Diatom interactions and diversity in sea ice algae aggregates and cultures of Melosira arctica. 2015.

  • Vonnahme, Tobias; Schink, Bernhard. Microbial community structure in cryoconite holes in high Arctic glaciers on Svalbard. 2014.

  • Vonnahme, Tobias. Controls and interactions in cryoconite food webs upon three high Arctic glaciers on Svalbard. Polar Ecology Conference 2014-09-01 - 2014.

  • Authors Title Publication Volume Number Pages Year
    Vonnahme, TR; Devetter, M; Žárský, JD; Šabacká, M; Elster, J;  Controls on microalgal community structures in cryoconite holes upon high Arctic glaciers, Svalbard Biogeosci. Discuss 12 11751-11795 2015
    Zawierucha, Krzysztof; Vonnahme, Tobias R; Devetter, Miloslav; Kolicka, Małgorzata; Ostrowska, Marta; Chmielewski, Sebastian; Kosicki, Jakub Z;  Area, depth and elevation of cryoconite holes in the Arctic do not influence Tardigrada densities Polish Polar Research 37 2 325-334 2016
    Vonnahme, Tobias;  Microbial community structure in cryoconite holes in high Arctic glaciers on Svalbard 2014
    Vonnahme, TR; Devetter, M; Žárský, JD; Šabacká, M; Elster, J;  Controls on microalgal community structures in cryoconite holes upon high Arctic glaciers, Svalbard Biogeosciences 13 659-674 2016
    Zawierucha, Krzysztof; Ostrowska, Marta; Vonnahme, Tobias R; Devetter, Miloslav; Nawrot, Adam P; Lehmann, Sara; Kolicka, Małgorzata;  Diversity and distribution of Tardigrada in Arctic cryoconite holes Journal of Limnology 75 3 2016
    Vonnahme, Tobias;  Microbial diversity and function of deep-sea manganese nodule ecosystems 2016
    Hauquier, Freia; Mevenkamp, Lisa; Great, Egho; Bezerra, Tania Nara; Lins, Lidia; Janssen, Felix; Vonnahme, Tobias; Boetius, Antje; Vanreusel, Ann;  Meiofauna response to physical disturbance at the DEA: the importance of scale to identify long-term effects 2016
    Vonnahme, T; Janssen, Felix; Molari, Massimiliano; Wenzhöfer, Frank; Boetius, Antje;  Effects of simulated deep-sea mining impacts on microbial communities and functions in the DISCOL experimental area 2016
    Janssen, Felix; Haeckel, Matthias; Wenzhöfer, Frank; Vonnahme, Tobias;  Disturbance effects on sediment biogeochemistry: introduction to recent investigations at the DISCOL Experimental Area (DEA, Peru Basin, tropical SE Pacific) 2015
    Vonnahme, Tobias; Janssen, Felix; Molari, Massimiliano; Wenzhöfer, Frank; Boetius, Antje;  Slow microbial growth and recovery of microbial community structure after disturbances in the DISCOL experimental area 2016
    Vonnahme, Tobias;  Controls and interactions in cryoconite food webs upon three high Arctic glaciers on Svalbard Polar Ecology Conference 2014

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