Publications

Scientist

Biogeochemistry Group

Dr. Tim Ferdelman

MPI for Marine Microbiology
Celsiusstr. 1
D-28359 Bremen
Germany

Room: 

3127

Phone: 

+49 421 2028-6320

Dr. Tim Ferdelman

Publications

 2023

Simultaneous sulfate reduction and nitrate reduction in coastal sediments
Bourceau, Olivia. M., Timothy Ferdelman, Gaute Lavik, Marc Mussmann, Marcel M. M. Kuypers, and Hannah K. Marchant
ISME Communications 3 (1): 1–10. https://doi.org/10.1038/s43705-023-00222-y.

Link to Article

 2021

Niche partitioning by photosynthetic plankton as a driver of CO2-fixation across the oligotrophic South Pacific Subtropical Ocean 
Duerschlag, Julia, Wiebke Mohr, Timothy G. Ferdelman*, Julie LaRoche, Dhwani Desai, Peter L. Croot, Daniela Voß, Oliver Zielinski, Gaute Lavik, Sten Littmann, Clara Martinez-Perez, Bernhard Tschitschko, Nina Bartlau, Helena Osterholz, Thorsten Dittmar and Marcel MM Kuypers
The ISME Journal, August 19, 2021, 1–12. https://doi.org/10.1038/s41396-021-01072-z.

Link to article

 

Accumulation of DOC in the South Pacific Subtropical Gyre from a Molecular Perspective
Helena Osterholz, David Kilgour, Dominik Sebastian Storey, Gaute Lavik, Timothy Ferdelman, Jutta Niggemann, and Thorsten Dittmar
Marine Chemistry, 231,  https://doi.org/10.1016/j.marchem.2021.103955

2020

Carbon Recycling Efficiency and Phosphate Turnover by Marine Nitrifying Archaea
Meador, Travis B., Niels Schoffelen, Timothy G. Ferdelman, Osmond Rebello, Alexander Khachikyan, and Martin Könneke
Science Advances 6 (19): eaba1799. https://doi.org/10.1126/sciadv.aba1799.

 

Kelp Deposition Changes Mineralization Pathways and Microbial Communities in a Sandy Beach
van Erk, Marit, Dmitri V. Meier, Timothy Ferdelman, Jens Harder, Dirk deBeer.
Limnology and Oceanography, 65,  3066-3084 .https://doi.org/10.1002/lno.11574.

  Sedimentary Iron Cycling in the Benguela Upwelling System off Namibia
Böning, Philipp, Bernhard Schnetger, Lukas Belz, Timothy Ferdelman, Hans-Jürgen Brumsack, and Katharina Pahnke.
Earth and Planetary Science Letters 538 (May): 116212. https://doi.org/10.1016/j.epsl.2020.116212.
  Growth Patterns of Giant Deep Sea Beggiatoaceae from a Guaymas Basin Vent Site.
deBeer, Dirk , Timothy Ferdelman, Barbara J. MacGregor, Andreas Teske, and Charles A. Schutte.
In Marine Hydrocarbon Seeps: Microbiology and Biogeochemistry of a Global Marine Habitat, edited by Andreas Teske and Verena Carvalho, 173–81.
Springer Oceanography. Cham: Springer International Publishing. https://doi.org/10.1007/978-3-030-34827-4_9.
2019 On-Site Analysis of Bacterial Communities of the Ultraoligotrophic South Pacific Gyre
Greta Reintjes, Halina E. Tegetmeyer, Miriam Bürgisser, Sandi Orlić, Ivo Tews, Mikhail Zubkov, Daniela Voss, Oliver Zielinski, Christian Quast, Frank Oliver Glöckner, Rudolf Amann, Timothy G. Ferdelman, Bernhard M. Fuchs
Applied and Environmental Microbiology, vol. 85, no. 14, pp. e00184–19.
  Phosphate availability affects fixed nitrogen transfer from diazotrophs to their epibionts
Niels J. Schoffelen, Wiebke Mohr, Timothy G. Ferdelman, Julia Duerschlag, Sten Littmann, Helle Ploug, Marcel M. M. Kuypers
The ISME Journal, vol. 13, no. 11, pp. 2701–2713.
  Arcobacter peruensis sp. nov., a Chemolithoheterotroph Isolated from Sulfide- and Organic-Rich Coastal Waters off Peru
Cameron M. Callbeck, Chris Pelzer, Gaute Lavik, Timothy G. Ferdelman, Jon S. Graf, Bram Vekeman, Harald Schunck, Sten Littmann, Bernhard M. Fuchs, Philipp F. Hach, Tim Kalvelage, Ruth A. Schmitz, Marcel M. M. Kuypers
Applied and Environmental Microbiology, vol. 85, no. 24.
  Metabolic activity analyses demonstrate that Lokiarchaeon exhibits homoacetogenesis in sulfidic marine sediments
William D. Orsi, A. Vuillemin, Paula Rodriguez, Ömer K. Coskun, Gonzalo V. Gomez-Saez, Gaute Lavik, Volker Morholz, Timothy G. Ferdelman
Nature Microbiology, pp. 1–8.
  Marine Deep Biosphere Microbial Communities Assemble in Near-Surface Sediments in Aarhus Bay
Caitlin Petro, Birthe Zäncker, Piotr Starnawski, Lara M. Jochum, Timothy G. Ferdelman, Bo Barker Jørgensen, Hans Røy, Kasper U. Kjeldsen, Andreas Schramm
Frontiers in Microbiology, vol. 10.
2018 Oxygen minimum zone cryptic sulfur cycling sustained by offshore transport of key sulfur oxidizing bacteria
Cameron M. Callbeck, Gaute Lavik, Timothy G. Ferdelman, Bernhard Fuchs, Harald R. Gruber-Vodicka, Philipp F. Hach, Sten Littmann, Niels J. Schoffelen, Tim Kalvelage, Sören Thomsen, Harald Schunck, Carolin R. Löscher, Ruth A. Schmitz, Marcel M. M. Kuypers
Nature Communications, vol. 9, no. 1, pp. 1729.
  Single-cell imaging of phosphorus uptake shows that key harmful algae rely on different phosphorus sources for growth
Niels J. Schoffelen, Wiebke Mohr, Timothy G. Ferdelman, Sten Littmann, Julia Duerschlag, Mikhail V. Zubkov, Helle Ploug, Marcel M. M. Kuypers
Scientific Reports, vol. 8, no. 1, pp. 17182.
  Methane fluxes in marine sediments quantified through core analyses ans seismo-acoustic mapping (Bornholm Basin, Baltic Sea).
Hillegsøe KM, Jensen JB, Ferdelman TG, Fossing H, Lapham L, Røy R and Jørgensen BB.
Geochim. Cosmochim. Acta, 239, 255-274
https://doi.org/10.1016/j.gca.2018.07.040
2017 Intense biological phosphate uptake onto particles in subeuphotic continental margin waters
S. Sokoll, T. G. Ferdelman, M. Holtappels, T. Goldhammer, S. Littmann, M. H. Iversen, M. M. M. Kuypers
Geophysical Research Letters, pp. 2016GL072183.
  Iron-controlled oxidative sulfur cycling recorded in the distribution and isotopic composition of sulfur species in glacially influenced fjord sediments of west Svalbard
Laura M. Wehrmann, Natascha Riedinger, Benjamin Brunner, Alexey Kamyshny, Casey R. J. Hubert, Lisa C. Herbert, Volker Brüchert, Bo Barker Jørgensen, Timothy G. Ferdelman, Michael J. Formolo
Chemical Geology, vol. 466, pp. 678–695.
2015 Presence of oxygen and aerobic communities from sea floor to basement in deep-sea sediments
Steven D'Hondt, Fumio Inagaki, Carlos Alvarez Zarikian, Lewis J. Abrams, Nathalie Dubois, Tim Engelhardt, Helen Evans, Timothy Ferdelman, Britta Gribsholt, Robert N. Harris, Bryce W. Hoppie, Jung-Ho Hyun, Jens Kallmeyer, Jinwook Kim, Jill E. Lynch, Claire C. McKinley, Satoshi Mitsunobu, Yuki Morono, Richard W. Murray, Robert Pockalny, Justine Sauvage, Takaya Shimono, Fumito Shiraishi, David C. Smith, Christopher E. Smith-Duque, Arthur J. Spivack, Bjorn Olav Steinsbu, Yohey Suzuki, Michal Szpak, Laurent Toffin, Goichiro Uramoto, Yasuhiko T. Yamaguchi, Guo-liang Zhang, Xiao-Hua Zhang, Wiebke Ziebis
Nature Geoscience, vol. 8, no. 4, pp. 299–304.
  Linking sedimentary sulfur and iron biogeochemistry to growth patterns of a cold-water coral mound in the Porcupine Basin, S.W. Ireland (IODP Expedition 307)
L. M. Wehrmann, J. Titschack, M. E. Böttcher, T. G. Ferdelman
Geobiology, vol. 13, no. 5, pp. 424–442.
  Cryptic Cross-Linkages Among Biogeochemical Cycles: Novel Insights from Reactive Intermediates
Colleen M. Hansel, Timothy G. Ferdelman, Bradley M. Tebo
Elements, vol. 11, no. 6, pp. 409–414.
2014 Community Structure and Activity of a Highly Dynamic and Nutrient-Limited Hypersaline Microbial Mat in Um Alhool Sabkha, Qatar
Roda Al-Thani, Mohammad A. A. Al-Najjar, Abdul Munem Al-Raei, Tim Ferdelman, Nguyen M. Thang, Ismail Al Shaikh, Mehsin Al-Ansi, Dirk de Beer
PLOS ONE, vol. 9, no. 3, pp. e92405.
  The environmental controls that govern the end product of bacterial nitrate respiration
Beate Kraft, Halina E. Tegetmeyer, Ritin Sharma, Martin G. Klotz, Timothy G. Ferdelman, Robert L. Hettich, Jeanine S. Geelhoed, Marc Strous
Science, vol. 345, no. 6197, pp. 676–679.
  Calcium -ammonium exchange experiments on clay minerals using a 45Ca tracer technique in marine pore water
Charlotte Ockert, Laura M. Wehrmann, Stephan Kaufhold, Timothy G. Ferdelman, Barbara M. A. Teichert, Nikolaus Gussone
Isotopes in Environmental and Health Studies, vol. 50, no. 1, pp. 1–17.
  Determination of dissimilatory sulfate reduction rates in marine sediment via radioactive 35S tracer
Hans Roy, Hannah S. Weber, Irene H. Tarpgaard, Timothy G. Ferdelman, Bo B. Jorgensen
Limnology and Oceanography: Methods, vol. 12, no. 4, pp. 196–211.
  Iron and manganese speciation and cycling in glacially influenced high-latitude fjord sediments (West Spitsbergen, Svalbard): Evidence for a benthic recycling-transport mechanism
Laura M. Wehrmann, Michael J. Formolo, Jeremy D. Owens, Robert Raiswell, Timothy G. Ferdelman, Natascha Riedinger, Timothy W. Lyons
Geochimica et Cosmochimica Acta, vol. 141, pp. 628–655.
  Sulfidization of lacustrine glacial clay upon Holocene marine transgression (Arkona Basin, Baltic Sea)
Lars Holmkvist, Kamyshny Jr., Alexey, Volker Brüchert, Timothy G. Ferdelman, Bo Barker Jørgensen
Geochimica et Cosmochimica Acta, vol. 142, pp. 75–94.
  Determination of dissimilatory sulfate reduction rates in marine sediment via radioactive 35S tracer
Hans Roy, Hannah S. Weber, Irene H. Tarpgaard, Timothy G. Ferdelman, Bo B. Jorgensen
Limnology and Oceanography: Methods, vol. 12, no. 4, pp. 196–211.
  Gammaproteobacterial diazotrophs and nifH gene expression in surface waters of the South Pacific Ocean
Pia H. Moisander, Tracy Serros, Ryan W. Paerl, Roxanne A. Beinart, Jonathan P. Zehr
The ISME Journal, vol. 8, no. 10, pp. 1962–1973.
  Chapter 2.7 - Biogeochemical Consequences of the Sedimentary Subseafloor Biosphere
Laura M. Wehrmann, Timothy G. Ferdelman
Developments in Marine Geology, vol. 7, pp. 217–252.
2013 Turnover of microbial lipids in the deep biosphere and growth of benthic archaeal populations
Sitan Xie, Julius S. Lipp, Gunter Wegener, Timothy G. Ferdelman, Kai-Uwe Hinrichs
Proceedings of the National Academy of Sciences.
  Intermediate sulfur oxidation state compounds in the euxinic surface sediments of the Dvurechenskii mud volcano (Black Sea)
Anna Lichtschlag, Kamyshny Jr., Alexey, Timothy G. Ferdelman, Dirk deBeer
Geochimica et Cosmochimica Acta, vol. 105, pp. 130–145.
  The Impact of Sediment and Carbon Fluxes on the Biogeochemistry of Methane and Sulfur in Littoral Baltic Sea Sediments (Himmerfjärden, Sweden)
Nguyen Manh Thang, Volker Brüchert, Michael Formolo, Gunter Wegener, Livija Ginters, Bo Barker Jørgensen, Timothy G. Ferdelman
Estuaries and Coasts, vol. 36, no. 1, pp. 98–115.
  Control of sulphate and methane distributions in marine sediments by organic matter reactivity
Patrick Meister, Bo Liu, Timothy G. Ferdelman, Bo Barker Jørgensen, Arzhang Khalili
Geochimica et Cosmochimica Acta, vol. 104, pp. 183–193.
  The pH and pCO2 dependence of sulfate reduction in shallow-sea hydrothermal CO2 – venting sediments (Milos Island, Greece)
Elisa Bayraktarov, Roy E. Price, Timothy G. Ferdelman, Kai Finster
Frontiers in Microbiology, vol. 4.
  The evolution of early diagenetic signals in Bering Sea subseafloor sediments in response to varying organic carbon deposition over the last 4.3Ma
Laura M. Wehrmann, Sandra Arndt, Christian März, Timothy G. Ferdelman, Benjamin Brunner
Geochimica et Cosmochimica Acta, vol. 109, pp. 175–196.
  Effect of the aerenchymatous helophyte Glyceria maxima on the sulfate-reducing communities in two contrasting riparian grassland soils
M. Miletto, P. L. E. Bodelier, T. G. Ferdelman, B. B. Jørgensen, H. J. Laanbroek
Plant and Soil, vol. 370, no. 1, pp. 73–87.
  Cyclic 100-ka (glacial-interglacial) migration of subseafloor redox zonation on the Peruvian shelf
Sergio Contreras, Patrick Meister, Bo Liu, Xavier Prieto-Mollar, Kai-Uwe Hinrichs, Arzhang Khalili, Timothy G. Ferdelman, Marcel M. M. Kuypers, Bo Barker Jørgensen
Proceedings of the National Academy of Sciences, vol. 110, no. 45, pp. 18098–18103.
2012 Substrate-specific pressure-dependence of microbial sulfate reduction in deep-sea cold seep sediments of the Japan Trench
Antje Vossmeyer, Christian Deusner, Fumio Inagaki, Timothy G. Ferdelman
Frontiers in Extreme Microbiology, vol. 3, pp. 253.
  Zero-valent sulphur is a key intermediate in marine methane oxidation
Jana Milucka, Timothy G. Ferdelman, Lubos Polerecky, Daniela Franzke, Gunter Wegener, Markus Schmid, Ingo Lieberwirth, Michael Wagner, Friedrich Widdel, Marcel M. M. Kuypers
Nature, vol. 491, no. 7425, pp. 541–546.
  Interstitial fluid chemistry of sediments underlying the North Atlantic gyre and the influence of subsurface fluid flow
Wiebke Ziebis, James McManus, Timothy Ferdelman, Friederike Schmidt-Schierhorn, Wolfgang Bach, Jesse Muratli, Katrina J. Edwards, Heinrich Villinger
Earth and Planetary Science Letters, vol. 323-324, pp. 79–91.
  Heterotrophic organisms dominate nitrogen fixation in the South Pacific Gyre
Hannah Halm, Phyllis Lam, Timothy G. Ferdelman, Gaute Lavik, Thorsten Dittmar, Julie LaRoche, Steven D'Hondt, Marcel MM Kuypers
The ISME Journal, vol. 6, no. 6, pp. 1238–1249.
  Mechanisms of damage to corals exposed to sedimentation
Miriam Weber, Dirk de Beer, Christian Lott, Lubos Polerecky, Katharina Kohls, Raeid M. M. Abed, Timothy G. Ferdelman, Katharina E. Fabricius
Proceedings of the National Academy of Sciences, vol. 109, no. 24, pp. E1558–E1567.
  Substrate-specific pressure-dependence of microbial sulfate reduction in deep-sea cold seep sediments of the Japan Trench
Antje Vossmeyer, Christian Deusner, Chiaki Kato, Fumio Inagaki, Timothy Ferdelman
Frontiers in Microbiology, vol. 3.
2011 Biogeochemical sulfur cycling in the water column of a shallow stratified sea-water lake: Speciation and quadruple sulfur isotope composition
Kamyshny Jr., Alexey, Aubrey L. Zerkle, Zahra F. Mansaray, Irena Ciglenečki, Elvira Bura-Nakić, James Farquhar, Timothy G. Ferdelman
Marine Chemistry, vol. 127, no. 1-4, pp. 144–154.
  Sulfate reduction below the sulfate-methane transition in Black Sea sediments
Lars Holmkvist, Kamyshny Jr., Alexey, Christoph Vogt, Kyriakos Vamvakopoulos, Timothy G. Ferdelman, Bo Barker Jørgensen
Deep Sea Research Part I: Oceanographic Research Papers, vol. 58, no. 5, pp. 493–504.
  A cryptic sulfur cycle driven by iron in the methane zone of marine sediment (Aarhus Bay, Denmark)
Lars Holmkvist, Timothy G. Ferdelman, Bo Barker Jørgensen
Geochimica et Cosmochimica Acta, vol. 75, no. 12, pp. 3581–3599.
link to paper  (00054) 
  Phosphate oxygen isotopes: Insights into sedimentary phosphorus cycling from the Benguela upwelling system
Tobias Goldhammer, Benjamin Brunner, Stefano M. Bernasconi, Timothy G. Ferdelman, Matthias Zabel
Geochimica et Cosmochimica Acta, vol. 75, no. 13, pp. 3741–3756.
  The imprint of methane seepage on the geochemical record and early diagenetic processes in cold-water coral mounds on Pen Duick Escarpment, Gulf of Cadiz
Laura M. Wehrmann, Stefanie P. Templer, Benjamin Brunner, Stefano M. Bernasconi, Lois Maignien, Timothy G. Ferdelman
Marine Geology, vol. 282, no. 1, pp. 118–137.
  Coupled organic and inorganic carbon cycling in the deep subseafloor sediment of the northeastern Bering Sea Slope (IODP Exp. 323)
Laura M. Wehrmann, Nils Risgaard-Petersen, Heather N. Schrum, Emily A. Walsh, Youngsook Huh, Minoru Ikehara, Catherine Pierre, Steven D'Hondt, Timothy G. Ferdelman, Ana Christina Ravelo, Kozo Takahashi, Carlos Alvarez Zarikian
Chemical Geology, vol. 284, no. 3, pp. 251–261.
  Phosphate oxygen isotopes: Insights into sedimentary phosphorus cycling from the Benguela upwelling system
Tobias Goldhammer, Benjamin Brunner, Stefano M. Bernasconi, Timothy G. Ferdelman, Matthias Zabel
Geochimica et Cosmochimica Acta, vol. 75, no. 13, pp. 3741–3756.
  Comparative Study of Subseafloor Microbial Community Structures in Deeply Buried Coral Fossils and Sediment Matrices from the Challenger Mound in the Porcupine Seabight
Tatsuhiko Hoshino, Yuki Morono, Takeshi Terada, Hiroyuki Imachi, Timothy G. Ferdelman, Fumio Inagaki
Frontiers in Microbiology, vol. 2.
  Carbon and sulfur back flux during anaerobic microbial oxidation of methane and coupled sulfate reduction
Thomas Holler, Gunter Wegener, Helge Niemann, Christian Deusner, Timothy G. Ferdelman, Antje Boetius, Benjamin Brunner, Friedrich Widdel
Proceedings of the National Academy of Sciences, vol. 108, no. 52, pp. E1484–E1490.
  Linking microbial heterotrophic activity and sediment lithology in oxic, oligotrophic subseafloor sediments of the North Atlantic Ocean
Aude Picard, Timothy G. Ferdelman
Frontiers in Microbiology, vol. 2.
2010 Oxidative sulfur cycling in the deep biosphere of the Nankai Trough, Japan
N. Riedinger, B. Brunner, M. J. Formolo, E. Solomon, S. Kasten, M. Strasser, T. G. Ferdelman
Geology, vol. 38, no. 9, pp. 851–854.
  Methane at the sediment-water transition in Black Sea sediments
N. Riedinger, B. Brunner, Y. -S. Lin, A. Vossmeyer, T. G. Ferdelman, B. B. Jørgensen
Chemical Geology, vol. 274, no. 1–2, pp. 29–37.
  High-pressure systems for gas-phase free continuous incubation of enriched marine microbial communities performing anaerobic oxidation of methane
Christian Deusner, Volker Meyer, Timothy G. Ferdelman
Biotechnology and Bioengineering, vol. 105, no. 3, pp. 524–533.
  Effect of nitrate on sulfur transformations in sulfidogenic sludge of a marine aquaculture biofilter
Carsten Ulrich Schwermer, Timothy G. Ferdelman, Peter Stief, Armin Gieseke, Nastaran Rezakhani, Van Rijn, Jaap, De Beer, Dirk, Andreas Schramm
FEMS Microbiology Ecology, vol. 72, no. 3, pp. 476–484.
  Microbial sequestration of phosphorus in anoxic upwelling sediments
Tobias Goldhammer, Volker Brüchert, Timothy G. Ferdelman, Matthias Zabel
Nature Geoscience, vol. 3, no. 8, pp. 557–561.
  Microbial conversion of inorganic carbon to dimethyl sulfide in anoxic lake sediment (Plußsee, Germany)
Y. S. Lin, V. B. Heuer, T. G. Ferdelman, K.-U. Hinrichs
Biogeosciences, vol. 7, no. 8, pp. 2433–2444.
  Dynamics of zero-valent sulfur species including polysulfides at seep sites on intertidal sand flats (Wadden Sea, North Sea)
Alexey, Kamyshny, Timothy G. Ferdelman
Marine Chemistry, vol. 121, no. 1, pp. 17–26.
2009 Subsurface microbiology and biogeochemistry of a deep, cold-water carbonate mound from the Porcupine Seabight (IODP Expedition 307)
Gordon Webster, Anna Blazejak, Barry A. Cragg, Axel Schippers, Henrik Sass, Joachim Rinna, Xiaohong Tang, Falko Mathes, Timothy G. Ferdelman, John C. Fry, Andrew J. Weightman, R. John Parkes
Environmental Microbiology, vol. 11, no. 1, pp. 239–257.
  Protocol for Quantitative Detection of Elemental Sulfur and Polysulfide Zero-Valent Sulfur Distribution in Natural Aquatic Samples
Alexey Kamyshny, Clemens G. Borkenstein, Timothy G. Ferdelman
Geostandards and Geoanalytical Research, vol. 33, no. 3, pp. 415–435.
  Subsurface microbiology and biogeochemistry of a deep, cold-water carbonate mound from the Porcupine Seabight (IODP Expedition 307)
Gordon Webster, Anna Blazejak, Barry A. Cragg, Axel Schippers, Henrik Sass, Joachim Rinna, Xiaohong Tang, Falko Mathes, Timothy G. Ferdelman, John C. Fry, Andrew J. Weightman, R. John Parkes
Environmental Microbiology, vol. 11, no. 1, pp. 239–257.
  Carbon mineralization and carbonate preservation in modern cold-water coral reef sediments on the Norwegian shelf
L. M. Wehrmann, N. J. Knab, H. Pirlet, V. Unnithan, C. Wild, T. G. Ferdelman
Biogeosciences, vol. 6, no. 4, pp. 663–680.
  Carbon mineralization and carbonate preservation in modern cold-water coral reef sediments on the Norwegian shelf
L. M. Wehrmann, N. J. Knab, H. Pirlet, V. Unnithan, C. Wild, T. G. Ferdelman
Biogeosciences, vol. 6, no. 4, pp. 663–680.
  Variability in upwelling intensity and nutrient regime in the coastal upwelling system offshore Namibia: results from sediment archives
Kay-Christian Emeis, Ulrich Struck, Thomas Leipe, Timothy G. Ferdelman
International Journal of Earth Sciences, vol. 98, no. 2, pp. 309–326.
  Oxygen penetration deep into the sediment of the South Pacific gyre
J. P. Fischer, T. G. Ferdelman, S. D'Hondt, H. Røy, F. Wenzhöfer
Biogeosciences, vol. 6, no. 8, pp. 1467–1478.
  Subseafloor sedimentary life in the South Pacific Gyre
Steven D'Hondt, Arthur J. Spivack, Robert Pockalny, Timothy G. Ferdelman, Jan P. Fischer, Jens Kallmeyer, Lewis J. Abrams, David C. Smith, Dennis Graham, Franciszek Hasiuk, Heather Schrum, Andrea M. Stancin
Proceedings of the National Academy of Sciences, vol. 106, no. 28, pp. 11651–11656.
  Protocol for Quantitative Detection of Elemental Sulfur and Polysulfide Zero-Valent Sulfur Distribution in Natural Aquatic Samples
Alexey Kamyshny, Clemens G. Borkenstein, Timothy G. Ferdelman
Geostandards and Geoanalytical Research, vol. 33, no. 3, pp. 415–435.
  A Constant Flux of Diverse Thermophilic Bacteria into the Cold Arctic Seabed
Casey Hubert, Alexander Loy, Maren Nickel, Carol Arnosti, Christian Baranyi, Volker Brüchert, Timothy Ferdelman, Kai Finster, Flemming Monsted Christensen, Júlia Rosa de Rezende, Verona Vandieken, Bo Barker Jørgensen
Science, vol. 325, no. 5947, pp. 1541–1544.
2008 Impact of nitrate on bacterial structure and function in injection-water biofilms.
Carsten U. Schwermer, Gaute Lavik, Raeid M. M. Abed, Braden Dunsmore, Timothy G. Ferdelman, Paul Stoodley, Armin Gieseke, Dirk de Beer
Applied and Environmental Microbiology, vol. 74, no. 9, pp. 2841–2851.
2007 How depositional conditions control input, composition, and degradation of organic matter in sediments from the Chilean coastal upwelling region
Jutta Niggemann, Timothy G. Ferdelman, Bente Aa. Lomstein, Jens Kallmeyer, Carsten J. Schubert
Geochimica et Cosmochimica Acta, vol. 71, no. 6, pp. 1513–1527.
  Instantaneous benthic response to different organic matter quality: In situ experiments in the Benguela Upwelling System
Fanni Aspetsberger, Matthias Zabel, Timothy Ferdelman, Ulrich Struck, Andreas Mackensen, Astrid Ahke, Ursula Witte
Marine Biology Research, vol. 3, no. 5, pp. 342–356.
  Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307
Akihiro Kano, Timothy G. Ferdelman, Trevor Williams, Jean-Pierre Henriet, Tsuyoshi Ishikawa, Noriko Kawagoe, Chiduru Takashima, Yoshihiro Kakizaki, Kohei Abe, Saburo Sakai, Emily L. Browning, Xianghui Li
Geology, vol. 35, no. 11, pp. 1051–1054.
  Microbial diversity in deep sediments of the Benguela Upwelling System
Hendrik Schäfer, Timothy G. Ferdelman, Henrik Fossing, Gerard Muyzer
Aquatic Microbial Ecology, vol. 50, no. 1, pp. 1–9.
2006 Biogeochemical controls on the oxygen, nitrogen and sulfur distributions in the water column of Golfo Dulce: an anoxic basin on the Pacific coast of Costa Rica revisited
Timothy G. Ferdelman, Bo Thamdrup, Donald E. Canfield, Ronnie Nohr Glud, Jan Kuever, Rolf Lillebaek, Niels Birger Ramsing, Cathrin Wawer
REVISTA DE BIOLOGIA TROPICAL, vol. 54, no. 1, pp. 171–191.
2005 Prokaryotic cells of the deep sub-seafloor biosphere identified as living bacteria
A. Schippers, L. N. Neretin, J. Kallmeyer, T. G. Ferdelman, B. A. Cragg, R. J. Parkes, B. B. Jørgensen
Nature, vol. 433, no. 7028, pp. 861–864.
  Chlorin Index: A new parameter for organic matter freshness in sediments
Carsten J. Schubert, Jutta Niggemann, Gabriele Klockgether, Timothy G. Ferdelman
Geochemistry, Geophysics, Geosystems, vol. 6, no. 3, pp. Q03005.
  Deep sub-seafloor prokaryotes stimulated at interfaces over geological time
R. John Parkes, Gordon Webster, Barry A. Cragg, Andrew J. Weightman, Carole J. Newberry, Timothy G. Ferdelman, Jens Kallmeyer, Bo B. Jørgensen, Ivano W. Aiello, John C. Fry
Nature, vol. 436, no. 7049, pp. 390–394.
  Transport and mineralization rates in North Sea sandy intertidal sediments, Sylt-Romo Basin, Wadden Sea
Dirk de Beer, Frank Wenzhöfer, Timothy G. Ferdelman, Susan E. Boehme, Markus Huettel, Justus E. E. van Beusekom, Michael E. Böttcher, Niculina Musat, Nicole Dubilier
Limnology and Oceanography, vol. 50, no. 1, pp. 113–127.
  Spatial distribution of calcification and photosynthesis in the scleractinian coral Galaxea fascicularis
Fuad A. Al-Horani, Tim Ferdelman, Salim M. Al-Moghrabi, Dirk de Beer
Coral Reefs, vol. 24, no. 1, pp. 173–180.
2004 Distributions of Microbial Activities in Deep Subseafloor Sediments
Steven D'Hondt, Bo Barker Jørgensen, D. Jay Miller, Anja Batzke, Ruth Blake, Barry A. Cragg, Heribert Cypionka, Gerald R. Dickens, Timothy Ferdelman, Kai-Uwe Hinrichs, Nils G. Holm, Richard Mitterer, Arthur Spivack, Guizhi Wang, Barbara Bekins, Bert Engelen, Kathryn Ford, Glen Gettemy, Scott D. Rutherford, Henrik Sass, C. Gregory Skilbeck, Ivano W. Aiello, Gilles Guarin, Christopher H. House, Fumio Inagaki, Patrick Meister, Thomas Naehr, Sachiko Niitsuma, R. John Parkes, Axel Schippers, David C. Smith, Andreas Teske, Juergen Wiegel, Christian Naranjo Padilla, Juana Luz Solis Acosta
Science, vol. 306, no. 5705, pp. 2216–2221.
  Shallow gas in shelf sediments of the Namibian coastal upwelling ecosystem
K. -C. Emeis, V. Brüchert, B. Currie, R. Endler, T. Ferdelman, A. Kiessling, T. Leipe, K. Noli-Peard, U. Struck, T. Vogt
Continental Shelf Research, vol. 24, no. 6, pp. 627–642.
2001 Influence of water column dynamics on sulfide oxidation and other major biogeochemical processes in the chemocline of Mariager Fjord (Denmark)
Jakob Zopfi, Timothy G Ferdelman, Bo Barker Jørgensen, Andreas Teske, Bo Thamdrup
Marine Chemistry, vol. 74, no. 1, pp. 29–51.
  Endosymbiotic sulphate-reducing and sulphide-oxidizing bacteria in an oligochaete worm
Nicole Dubilier, Caroline Mülders, Timothy G. Ferdelman, Dirk de Beer, Annelie Pernthaler, Michael Klein, Michael Wagner, Christer Ersaus, Frank Thiermann, Jens Krieger, Olav Giere, Rudolf Amann
Nature, vol. 411, no. 6835, pp. 298–302.
2000 Sulfate reduction and methane oxidation in continental margin sediments influenced by irrigation (South-East Atlantic off Namibia)
Henrik Fossing, Timothy G. Ferdelman, Peter Berg
Geochimica et Cosmochimica Acta, vol. 64, no. 5, pp. 897–910.
1999 Sulfate reduction in surface sediments of the southeast Atlantic continental margin between 15°38'S and 27°57'S (Angola and Namibia)
Timothy G. Ferdelman, Henrik Fossing, Kirsten Neumann, Horst D. Schulz
Limnology and Oceanography, vol. 44, no. 3, pp. 650–661.
  Dense Populations of a Giant Sulfur Bacterium in Namibian Shelf Sediments
H. N. Schulz, T. Brinkhoff, T. G. Ferdelman, Marina Hern¡ndez, A. Teske, B. B. Jørgensen
Science, vol. 284, no. 5413, pp. 493–495.
1998 Structural and Functional Dynamics of Sulfate-Reducing Populations in Bacterial Biofilms
Cecilia M. Santegoeds, Timothy G. Ferdelman, Gerard Muyzer, Dirk de Beer
Applied and Environmental Microbiology, vol. 64, no. 10, pp. 3731–3739.
1997 Sulfate reduction and methanogenesis in a Thioploca-dominated sediment off the coast of Chile
Timothy G. Ferdelman, Cindy Lee, Silvio Pantoja, Jens Harder, Brad M. Bebout, Henrik Fossing
Geochimica et Cosmochimica Acta, vol. 61, no. 15, pp. 3065–3079.
1996 A biogeochemical survey of the anoxic basin Golfo Dulce, Costa Rica
B Thamdrup, DE Canfield, TG Ferdelman, RN Glud, JK Gundersen
REVISTA DE BIOLOGIA TROPICAL, vol. 44, no. 3, pp. 19–33.
  Distribution of bacterial populations in a stratified fjord (Mariager Fjord, Denmark) quantified by in situ hybridization and releated to chemical gradients in the water column
NB Ramsing, H Fossing, TG Ferdelman,F Andersen and B Thamdrup
Applied and Environmental Microbiology, vol.  62, 1391-1404
1995 Sulfur Transformations in Early Diagenetic Sediments from the Bay of Conception, Off Chile
Murthy A. Vairavamurthy, Shengke Wang, Bandana Khandelwal, Bernard Manowitz, Timothy Ferdelman, Henrik Fossing
Geochemical Transformations of Sedimentary Sulfur, vol. 612, no. 612, pp. 38–58.
  Biovolatilization of polonium: resulfts from laboartory analysis
TN Hussain, TG Ferdelman, TM Church and GW Luther
Aquatic Geochemistry, vol.  1, 175-188
1994 An efficient quantitative technique for the simultatneous analyses of radon daughter 210Pb, 210Bi and 210Po
TM Church, N. Hussain, TG Ferdelman and SW Fowler
Talanta, vol. 41, 243-249
1993 Voltammetric characterization of iron (II) sulfide complexes in laboratory solutions and marine waters and porewaters
George W. Luther, III, and Timothy G. Ferdelman
Environmental Science & Technology, vol. 27, 1554-1563
  Metal transport and release processes in Lake Vanda: the role of metal oxides
WJ Green, DE Canfield, S Yu, KE Chave, TG. Ferdelman, G Delanois
In, WJ Green and IJ Friedman (eds.) Physical and Biogeochemical Processes in Antarctic Lakes, Anntarctic Research Series, vol. 59, 145-163
1992 Large-scale penetration of Gulf Stream water onto the Continental Shelf north of Cape Hatteras
Glen Gawarkiewicz, Thomas M. Church, George W. Luther, Timothy G. Ferdelman, Michael Caruso
Geophysical Research Letters, vol. 19, no. 4, pp. 373–376.
1991 Sulfur enrichment of humic substances in a Delaware salt marsh sediment core
Timothy G. Ferdelman, Thomas M. Church, George W. Luther
Geochimica et Cosmochimica Acta, vol. 55, no. 4, pp. 979–988.
  Temporal and spatial variability of reduced sulfur species (FeS2, S2O32-) and porewater parameters in salt marsh sediments
George W. Luther, Timothy G. Ferdelman, Joel E. Kostka, Elizabeth J. Tsamakis, Thomas M. Church
Biogeochemistry, vol. 14, no. 1, pp. 57–88.
  Iodine chemistry in the water column of the Chesapeake Bay: Evidence for organic iodine forms
George W. Luther, Timothy Ferdelman, Charles H. Culberson, Joel Kostka, Jingfeng Wu
Estuarine, Coastal and Shelf Science, vol. 32, no. 3, pp. 267–279.
1989 Geochemical processes in the Lake Fryxell Basin (Victoria Land, Antarctica)
William J. Green, Thomas J. Gardner, Timothy G. Ferdelman, Michael P. Angle, Lawrence C. Varner, Philip Nixon
Hydrobiologia, vol. 172, no. 1, pp. 129–148.
  Metal dynamics in Lake Vanda (Wright Valley, Antarctica)
William J. Green, Timothy G. Ferdelman, Donald E. Canfield
Chemical Geology, vol. 76, no. 1, pp. 85–94.
1988 Evidence suggesting anaerobic oxidation of the bisulfide ion in Chesapeake Bay
George W. Luther, Timothy Ferdelman, Elizabeth Tsamakis
Estuaries, vol. 11, no. 4, pp. 281–285.
1986 The Residence times of eight trace metals in a closed-basin Antarctic Lake: Lake Hoare
William J. Green, Timothy G. Ferdelman, Thomas J. Gardner, Lawrence C. Varner, Michael P. Angle
Hydrobiologia, vol. 134, no. 3, pp. 249–255.
1984 Elemental Residence Times in Acton Lake, Ohio
Donald E. Canfield, William J. Green, Thomas J. Gardner Timothy G. Ferdelman
Arch. Hydrobiologia, vol. 100, pp. 501-519.

 

 
 
 
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