Prof. Dr. Moritz Lehmann

Sun, Xin, Frey, Claudia, McCoy, Daniel, Spieler, Matthias B A, Kelly, Colette L., Maloney, Ashley E., Garcia-Robledo, Emilio, Lehmann, Moritz F., Ward, Bess B., & Zakem, Emily J. (2025). Mechanistic understanding of nitrate reduction as the dominant production pathway of nitrous oxide in marine oxygen minimum zones. Nature Communications, 16. https://doi.org/10.1038/s41467-025-63989-9

Baan, J., Lehmann, M. F., Kahmen, A., & Studer, A. S. (2025). Batch culture and species effects modulate the decoupling between diatom frustule-bound and biomass nitrogen isotope signatures [Posted-content]. Cold Spring Harbor Laboratory. https://doi.org/10.1101/2025.07.31.667865

Chang, Y., Cheng, L., Mochida, M., Huang, R.-J., Huang, C., & Lehmann, M. F. (2025). Biomass-Burning Contributions to Rainwater and Aerosol Constituents May Be Systematically Overestimated in Urban China [Journal-article]. Journal of Geophysical Research: Atmospheres, 130(10). https://doi.org/10.1029/2025jd043333

Dangl, G., Frey, C., Hassenrück, C., Sabbaghzadeh, B., Wäge‐Recchioni, J., Lehmann, M. F., Schulz‐Vogt, H., Fabian, J., Ley, M., Rehder, G., & Jürgens, K. (2025). Processes and microorganisms driving nitrous oxide production in the Benguela Upwelling System [Journal-article]. Limnology and Oceanography, 70(4), 850–869. https://doi.org/10.1002/lno.12811

Tischer, J., Zopfi, J., Frey, C., Venetz, J., Giglio, E., Burgdorfer, L., Rehmann, O., Wankel, S. D., & Lehmann, M. F. (2025). Nitrogen and oxygen isotope effects during enzymatic nitrate reduction in vitro and by natural lake water consortia [Posted-content]. Cold Spring Harbor Laboratory. https://doi.org/10.1101/2025.03.29.645582

da Costa, Lara, Zopfi, Jakob, Alewell, Christine, Lehmann, Moritz F., & Lenz, Markus. (2025). Antimony mobility in soils: current understanding and future research directions. Environmental Science Processes and Impacts, 27, 833–848. https://doi.org/10.1039/d4em00743c

Tischer, J., Lehmann, M. F., Su, G., Lepori, F., & Zopfi, J. (2025). Microbial nitrogen removal versus recycling in the redox transition zone of a meromictic lake and its coupling to sulfur [Posted-content]. Cold Spring Harbor Laboratory. https://doi.org/10.1101/2025.01.03.627289

Su, Guangyi, Guo, Zhenli, Hu, Yuxing, Zheng, Qiang, Zopfi, Jakob, Lehmann, Moritz F., & Jiao, Nianzhi. (2024). Tidal control on aerobic methane oxidation and mitigation of methane emissions from coastal mangrove sediments. Environmental Research, 263. https://doi.org/10.1016/j.envres.2024.120049

Costa, Lara, Martinez, Mathieu, Suleiman, Marcel, Keiser, Rolf, Lehmann, Moritz, & Lenz, Markus. (2024). Manganese reductive dissolution coupled to Sb mobilization in contaminated shooting range soil [Journal-article]. Applied Microbiology and Biotechnology, 108(1). https://doi.org/10.1007/s00253-024-13133-2

Frey, Claudia, Tang, Weiyi, Ward, Bess B., & Lehmann, Moritz F. (2024). Sample preservation methods for nitrous oxide concentration and isotope ratio measurements in aquatic environments [Journal-article]. Limnology and Oceanography: Methods, 22(10), 771–788. https://doi.org/10.1002/lom3.10638

Studer, Anja S., Wörmer, Lars, Vogel, Hendrik, Dubois, Nathalie, Bartosiewicz, Maciej, Hinrichs, Kai‐Uwe, Lepori, Fabio, & Lehmann, Moritz F. (2024). First lacustrine application of the diatom-bound nitrogen isotope paleo-proxy reveals coupling of denitrification and N2 fixation in a hyper-eutrophic lake [Journal-article]. Limnology and Oceanography, 69(8), 1797–1809. https://doi.org/10.1002/lno.12627

Rushworth, Danielle D., Schenkeveld, Walter D.C., Kumar, Naresh, Noël, Vincent, Dewulf, Jannes, van Helmond, Niels A.G.M., Slomp, Caroline P., Lehmann, Moritz F., & Kraemer, Stephan M. (2024). Solid phase speciation controls copper mobilisation from marine sediments by methanobactin [Journal-article]. Science of the Total Environment, 934, 173046. https://doi.org/10.1016/j.scitotenv.2024.173046

de Carvalho, Carolina F. M., Lehmann, Moritz F., & Pati, Sarah G. (2024). Improving the accuracy of δ18O and δ17O values of O2 measured by continuous-flow isotope-ratio mass spectrometry with a multipoint isotope-ratio calibration. Rapid Communications in Mass Spectrometry, 38(1), e9652. https://doi.org/10.1002/rcm.9652

Bartosiewicz, M., Przytulska, A., Birkholz, A., Zopfi, J., & Lehmann, M. F. (2024). Controls and significance of priming effects in lake sediments. Global Change Biology, 30(1). https://doi.org/10.1111/gcb.17076

Baumann, Kathrin B L, Mazzoli, Alessandra, Salazar, Guillem, Ruscheweyh, Hans-Joachim, Müller, Beat, Niederdorfer, Robert, Sunagawa, Shinichi, Lever, Mark A, Lehmann, Moritz F, & Bürgmann, Helmut. (2024). Metagenomic and -transcriptomic analyses of microbial nitrogen transformation potential, and gene expression in Swiss lake sediments [Journal-article]. ISME Communications, 4(1). https://doi.org/10.1093/ismeco/ycae110

Ehrenfels, B., Baumann, K. B. L., Niederdorfer, R., Mbonde, A. S., Kimirei, I. A., Kuhn, T., Magyar, P. M., Odermatt, D., Schubert, C. J., Bürgmann, H., Lehmann, M. F., Wehrli, B., & Callbeck, C. M. (2023). Hydrodynamic regimes modulate nitrogen fixation and the mode of diazotrophy in Lake Tanganyika. Nature Communications, 14(1). https://doi.org/10.1038/s41467-023-42391-3

Huang, K., Eschenbach, W., Wei, J., Hausherr, D., Frey, C., Kupferschmid, A., Dyckmans, J., Joss, A., Lehmann, M. F., & Mohn, J. (2023). Simultaneous 15N Online Analysis in NH4+, NO2-, NO3-, and N2O to Trace N2O Production Pathways in Nitrogen-Polluted Aqueous Environments. ACS ES and T Water, 3(11), 3485–3495. https://doi.org/10.1021/acsestwater.3c00216

Bartosiewicz, Maciej, Venetz, Jessica, Laeubli, Saskia, Steiner, Oscar Sepulveda, Bouffard, Damien, Zopfi, Jakob, & Lehmann, Moritz F. (2023). Detritus-hosted methanogenesis sustains the methane paradox in an alpine lake. Limnology and Oceanography, 68(1), 248–264. https://doi.org/10.1002/lno.12263

Frey, Claudia, Sun, Xin, Szemberski, Laura, Casciotti, Karen L., Garcia-Robledo, Emilio, Jayakumar, Amal, Kelly, Colette, Lehmann, Moritz F., & Ward, Bess B. (2023). Kinetics of nitrous oxide production from ammonia oxidation in the Eastern Tropical North Pacific. Limnology and Oceanography, 68(2), 424–438. https://doi.org/10.1002/lno.12283

Su, Guangyi, Lehmann, Moritz F., Tischer, Jana, Weber, Yuki, Lepori, Fabio, Walser, Jean-Claude, Niemann, Helge, & Zopfi, Jakob. (2023). Water column dynamics control nitrite-dependent anaerobic methane oxidation by Candidatus “Methylomirabilis” in stratified lake basins. ISME Journal, 17(5), 693–702. https://doi.org/10.1038/s41396-023-01382-4

Bussmann, Karen, Hirsch, Philipp Emanuel, Lehmann, Moritz F., & Burkhardt-Holm, Patricia. (2022). Differential habitat use of a notorious invasive fish, the round goby, in a translocation-relevant system. Ecology and Evolution, 12(8), e9202. https://doi.org/10.1002/ece3.9202

Chang, Yunhua, Cheng, Kai, Kuang, Yaqiong, Hu, Qingyao, Gao, Yaqing, Huang, Ru-Jin, Huang, Cheng, Walters, Wendell W., & Lehmann, Moritz F. (2022). Isotopic Variability of Ammonia (delta N-15-NH3) Slipped from Heavy-Duty Vehicles under Real-World Conditions. Environmental Science and Technology Letters, 9(9), 726–732. https://doi.org/10.1021/acs.estlett.2c00526

Damste, Jaap S. Sinninghe, Weber, Yuki, Zopfi, Jakob, Lehmann, Moritz F., & Niemann, Helge. (2022). Distributions and sources of isoprenoidal GDGTs in Lake Lugano and other central European (peri-)alpine lakes: Lessons for their use as paleotemperature proxies. Quaternary Science Reviews, 277, ARTN 107352. https://doi.org/10.1016/j.quascirev.2021.107352

Gruber, Wenzel, Magyar, Paul M., Mitrovic, Ivan, Zeyer, Kerstin, Vogel, Michael, von Kaenel, Luzia, Biolley, Lucien, Werner, Roland A., Morgenroth, Eberhard, Lehmann, Moritz F., Braun, Daniel, Joss, Adriano, & Mohn, Joachim. (2022). Tracing N2O formation in full-scale wastewater treatment with natural abundance isotopes indicates control by organic substrate and process settings. Water Research, 15, 100130. https://doi.org/10.1016/j.wroa.2022.100130

Hausherr, D., Niederdorfer, R., Buergmann, H., Lehmann, Moritz F., Magyar, P., Mohn, J., Morgenroth, Eberhard, & Joss, A. (2022). Successful mainstream nitritation through NOB inactivation. Science of the Total Environment, 822, 153546. https://doi.org/10.1016/j.scitotenv.2022.153546

Hausherr, D., Niederdorfer, R., Burgmann, H., Lehmann, Moritz F., Magyar, P., Mohn, Joachim, Morgenroth, Eberhard, & Joss, A. (2022). Successful year-round mainstream partial nitritation anammox: Assessment of effluent quality, performance and N2O emissions. Water Research, 16, 100145. https://doi.org/10.1016/j.wroa.2022.100145

Lehmann, M.F., Bartosiewicz, M., Callbeck, C.M., Ebrahimnezhad Darzi, S., TEinzmann, T., Fernandes Moreira de Carvalho, C., Frey, C., Kuhn, T., Ley, M., Magyar, P. M., Mazzoli, A., Millet, J., Pati, S., Paulus, T., Studer, A. S., Su, G., Tischer, J., & Zopfi, J. (2022). Mikrobielle Prozesse steuern das Treibhauspotenzial von Seen. Regio Basiliensis, 1(63), 3–14.

Lehmann, Moritz F. (2022). Aquatische Biogeochemie an der Universität Basel - Mikrobielle Prozesse steuern das Treibhauspotenzial von Seen. Regio Basiliensis, 63(1), 3–14. http://www.gegbasel.ch/?a=1&t=493&y=3001&r=0&n=225&i=0&c=0&v=list.page&o=&s=

Rushworth, Danielle D., Christl, Iso, Kumar, Naresh, Hoffmann, Kevin, Kretzschmar, Ruben, Lehmann, Moritz F., Schenkeveld, Walter D. C., & Kraemer, Stephan M. (2022). Copper mobilisation from Cu sulphide minerals by methanobactin: Effect of pH, oxygen and natural organic matter. Geobiology, 20(5), 690–706. https://doi.org/10.1111/gbi.12505

Su, Guangyi, Zopfi, Jakob, Niemann, Helge, & Lehmann, Moritz F. (2022). Multiple Groups of Methanotrophic Bacteria Mediate Methane Oxidation in Anoxic Lake Sediments. Frontiers in Microbiology, 13, 864630. https://doi.org/10.3389/fmicb.2022.864630

Tischer, Jana, Zopfi, Jakob, Frey, Claudia, Magyar, Paul M., Brand, Andreas, Oswald, Kirsten, Jegge, Corinne, Frame, Caitlin H., Miracle, María R., Sòria-Perpinyà, Xavier, Vicente, Eduardo, & Lehmann, Moritz F. (2022). Isotopic signatures of biotic and abiotic N2O production and consumption in the water column of meromictic, ferruginous Lake La Cruz (Spain). Limnology and Oceanography, 67(8), 1760–1775. https://doi.org/10.1002/lno.12165

Visser, Anna-Neva, Wankel, Scott D. D., Frey, Claudia, Kappler, Andreas, & Lehmann, Moritz F. (2022). Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a non-enzymatic link between denitrification and Fe(II) oxidation. Frontiers in Microbiology, 13, 927475. https://doi.org/10.3389/fmicb.2022.927475

Su, G., Zopfi, J., Niemann, H., & Lehmann, M. F. (2021, November 25). Multiple groups of methanotrophic bacteria mediate methane oxidation in anoxic lake sediments [Posted-content]. Cold Spring Harbor Laboratory. https://doi.org/10.1101/2021.11.24.469942

Bartosiewicz, Maciej, Rzepka, Przemyslaw, & Lehmann, Moritz F. (2021). Tapping Freshwaters for Methane and Energy. Environmental Science and Technology, 55(8), 4183–4189. https://doi.org/10.1021/acs.est.0c06210

Chang, Yunhua, Zhang, Yan-Lin, Kawichai, Sawaeng, Wang, Qian, Van Damme, Martin, Clarisse, Lieven, Prapamontol, Tippawan, & Lehmann, Moritz F. (2021). Convergent evidence for the pervasive but limited contribution of biomass burning to atmospheric ammonia in peninsular Southeast Asia. Atmospheric Chemistry and Physics, 21(9), 7187–7198. https://doi.org/10.5194/acp-21-7187-2021

Cojean, Adeline N. Y., Kremer, Katrina, Bartosiewicz, Maciej, Fabbri, Stefano C., Lehmann, Moritz F., & Wirth, Stefanie B. (2021). Morphology, Formation, and Activity of Three Different Pockmark Systems in Peri-Alpine Lake Thun, Switzerland. Frontiers in Water, 3, ARTN 666641. https://doi.org/10.3389/frwa.2021.666641

Magyar, Paul M., Hausherr, Damian, Niederdorfer, Robert, Stocklin, Nicolas, Wei, Jing, Mohn, Joachim, Buergmann, Helmut, Joss, Adriano, & Lehmann, Moritz F. (2021). Nitrogen isotope effects can be used to diagnose N transformations in wastewater anammox systems. Scientific Reports, 11(1), 7850. https://doi.org/10.1038/s41598-021-87184-0

Niederdorfer, Robert, Fragner, Lisa, Yuan, Ling, Hausherr, Damian, Wei, Jing, Magyar, Paul, Joss, Adriano, Lehmann, Moritz F., Ju, Feng, & Buergmann, Helmut. (2021). Distinct growth stages controlled by the interplay of deterministic and stochastic processes in functional anammox biofilms. Water Research, 200, 117225. https://doi.org/10.1016/j.watres.2021.117225

Sherwood, Owen A., Davin, Samuel H., Lehmann, Nadine, Buchwald, Carolyn, Edinger, Evan N., Lehmann, Moritz F., & Kienast, Markus. (2021). Stable isotope ratios in seawater nitrate reflect the influence of Pacific water along the northwest Atlantic margin. Biogeosciences, 18(15), 4491–4510. https://doi.org/10.5194/bg-18-4491-2021

van Grinsven, Sigrid, Oswald, Kirsten, Wehrli, Bernhard, Jegge, Corinne, Zopfi, Jakob, Lehmann, Moritz F., & Schubert, Carsten J. (2021). Methane oxidation in the waters of a humic-rich boreal lake stimulated by photosynthesis, nitrite, Fe(III) and humics. Biogeosciences, 18(10), 3087–3101. https://doi.org/10.5194/bg-18-3087-2021

Visser, Anna-Neva, Lehmann, Moritz F., Ruegner, Hermann, D’Affonseca, Fernando Mazo, Grathwohl, Peter, Blackwell, Nia, Kappler, Andreas, & Osenbrueck, Karsten. (2021). Fate of nitrate during groundwater recharge in a fractured karst aquifer in Southwest Germany. Hydrogeology Journal, 29(3), 1153–1171. https://doi.org/10.1007/s10040-021-02314-2

Wong, Wei Wen, Lehmann, Moritz F., Kuhn, Thomas, Frame, Caitlin, Poh, Seng Chee, Cartwright, Ian, & Cook, Perran L. M. (2021). Nitrogen and oxygen isotopomeric constraints on the sources of nitrous oxide and the role of submarine groundwater discharge in a temperate eutrophic salt-wedge estuary. Limnology and Oceanography, 66(4), 1068–1082. https://doi.org/10.1002/lno.11664

Yao, Haoyi, Panieri, Giuliana, Lehmann, Moritz F., Himmler, Tobias, & Niemann, Helge. (2021). Biomarker and Isotopic Composition of Seep Carbonates Record Environmental Conditions in Two Arctic Methane Seeps. Frontiers in Earth Science, 8, ARTN 570742. https://doi.org/10.3389/feart.2020.570742

Chang, Yunhua, Huang, Ru-Jin, Ge, Xinlei, Huang, Xiangpeng, Hu, Jianlin, Duan, Yusen, Zou, Zhong, Liu, Xuejun, & Lehmann, Moritz F. (2020). Puzzling Haze Events in China During the Coronavirus (COVID-19) Shutdown. Geophysical Research Letters, 47(12), e2020GL088533. https://doi.org/10.1029/2020gl088533

Cojean, Adeline N. Y., Lehmann, Moritz F., Robertson, Elizabeth K., Thamdrup, Bo, & Zopfi, Jakob. (2020). Controls of H2S, Fe2 +, and Mn2 + on Microbial NO3--Reducing Processes in Sediments of an Eutrophic Lake. Frontiers in Microbiology, 11, 1158. https://doi.org/10.3389/fmicb.2020.01158

Ferré, Bénédicte, Jansson, Pär G., Moser, Manuel, Serov, Pavel, Portnov, Alexey, Graves, Carolyn A., Panieri, Giuliana, Gründger, Friederike, Berndt, Christian, Lehmann, Moritz F., & Niemann, Helge. (2020). Reduced methane seepage from Arctic sediments during cold bottom-water conditions. Nature Geoscience, 13(2), 144–148. https://doi.org/10.1038/s41561-019-0515-3

Lama, Soni, Kuhn, Thomas, Lehmann, Moritz F., Müller, Christoph, Gonzalez, Odette, Eisenhauer, Nico, Lange, Markus, Scheu, Stefan, Oelmann, Yvonne, & Wilcke, Wolfgang. (2020). The biodiversity-N cycle relationship: a(15)N tracer experiment with soil from plant mixtures of varying diversity to model N pool sizes and transformation rates. Biology and Fertility of Soils, 56(7), 1047–1061. https://doi.org/10.1007/s00374-020-01480-x

Lehmann, Moritz F., Carstens, Dörte, Deek, Astrid, McCarthy, Matthew, Schubert, Carsten J., & Zopfi, Jakob. (2020). Amino acid and amino sugar compositional changes during in vitro degradation of algal organic matter indicate rapid bacterial re-synthesis. Geochimica et Cosmochimica Acta, 283, 67–84. https://doi.org/10.1016/j.gca.2020.05.025

Su, Guangyi, Zopfi, Jakob, Yao, Haoyi, Steinle, Lea, Niemann, Helge, & Lehmann, Moritz F. (2020). Manganese/iron-supported sulfate-dependent anaerobic oxidation of methane by archaea in lake sediments. Limnology and Oceanography, 65(4), 863–875. https://doi.org/10.1002/lno.11354

Visser, Anna-Neva, Wankel, Scott D., Niklaus, Pascal A., Byrne, James M., Kappler, Andreas A., & Lehmann, Moritz F. (2020). Impact of reactive surfaces on the abiotic reaction between nitrite and ferrous iron and associated nitrogen and oxygen isotope dynamics. Biogeosciences, 17(16), 4355–4374. https://doi.org/10.5194/bg-17-4355-2020

Yu, Longfei, Harris, Eliza, Lewicka-Szczebak, Dominika, Barthel, Matti, Blomberg, Margareta R. A., Harris, Stephen J., Johnson, Matthew S., Lehmann, Moritz F., Liisberg, Jesper, Müller, Christoph, Ostrom, Nathaniel E., Six, Johan, Toyoda, Sakae, Yoshida, Naohiro, & Mohn, Joachim. (2020). What can we learn from N2O isotope data? - Analytics, processes and modelling. Rapid Communications in Mass Spectrometry, 34(20), e8858. https://doi.org/10.1002/rcm.8858

Bartosiewicz, M., Przytulska, A., Deshpande, B. N., Antoniades, D., Cortes, A., MacIntyre, S., Lehmann, M. F., & Laurion, I. (2019). Effects of climate change and episodic heat events on cyanobacteria in a eutrophic polymictic lake. Science of the Total Environment, 693, 133414. https://doi.org/10.1016/j.scitotenv.2019.07.220

Bartosiewicz, M., Przytulska, A., Lapierre, J. F., Laurion, I., Lehmann, M. F., & Maranger, R. (2019). Hot tops, cold bottoms: Synergistic climate warming and shielding effects increase carbon burial in lakes. Limnology and Oceanography Letters, 4(5), 132–144. https://doi.org/10.1002/lol2.10117

Chang, Y. H., Zhang, Y. L., Li, J. R., Tian, C. G., Song, L. L., Zhai, X. Y., Zhang, W. Q., Huang, T., Lin, Y. C., Zhu, C., Fang, Y. T., Lehmann, M. F., & Chen, J. M. (2019). Isotopic constraints on the atmospheric sources and formation of nitrogenous species in clouds influenced by biomass burning. Atmospheric Chemistry and Physics, 19(19), 12221–12234. https://doi.org/10.5194/acp-19-12221-2019

Cojean, A. N. Y., Zopfi, J., Gerster, A., Frey, C., Lepori, F., & Lehmann, M. F. (2019). Direct O-2 control on the partitioning between denitrification and dissimilatory nitrate reduction to ammonium in lake sediments. Biogeosciences, 16(23), 4705–4718. https://doi.org/10.5194/bg-16-4705-2019

Scholz, F., Beil, S., Flogel, S., Lehmann, M. F., Holbourn, A., Wallmann, K., & Kuhnt, W. (2019). Oxygen minimum zone-type biogeochemical cycling in the Cenomanian-Turonian Proto-North Atlantic across Oceanic Anoxic Event 2. Earth and Planetary Science Letters, 517, 50–60. https://doi.org/10.1016/j.epsl.2019.04.008

Su, G. Y., Niemann, H., Steinle, L., Zopfi, J., & Lehmann, M. F. (2019). Evaluating radioisotope-based approaches to measure anaerobic methane oxidation rates in lacustrine sediments. Limnology and Oceanography-Methods, 17(8), 429–438. https://doi.org/10.1002/lom3.10323

Yao, H. Y., Hong, W. L., Panieri, G., Sauer, S., Torres, M. E., Lehmann, M. F., Grundger, F., & Niemann, H. (2019). Fracture-controlled fluid transport supports microbial methane-oxidizing communities at Vestnesa Ridge. Biogeosciences, 16(10), 2221–2232. https://doi.org/10.5194/bg-16-2221-2019

Wang, S., Li, J., Zhang, B., Spyrakos, E., Tyler, A. N., Shen, Q., Zhang, F., Kuster, T., Lehmann, M. K., Wu, Y., & Peng, D. (2018). Trophic state assessment of global inland waters using a MODIS-derived Forel-Ule index. Remote Sensing of Environment, 217, 444–460. https://doi.org/10.1016/j.rse.2018.08.026

Chang, Yunhua, Zhang, Yanlin, Tian, Chongguo, Zhang, Shichun, Ma, Xiaoyan, Cao, Fang, Liu, Xiaoyan, Zhang, Wenqi, Kuhn, Thomas, & Lehmann, Moritz F. (2018). Nitrogen isotope fractionation during gas-to-particle conversion of NOx to NO3- in the atmosphere - implications for isotope-based NOx source apportionment. Atmospheric Chemistry and Physics, 18(16), 11647–11661. https://doi.org/10.5194/acp-18-11647-2018

Erostate, M., Huneau, F., Garel, E., Lehmann, M. F., Kuhn, T., Aquilina, L., Vergnaud-Ayraud, V., Labasque, T., Santoni, S., Robert, S., Provitolo, D., & Pasqualini, V. (2018). Delayed nitrate dispersion within a coastal aquifer provides constraints on land-use evolution and nitrate contamination in the past. Science of the Total Environment, 644, 928–940. https://doi.org/10.1016/j.scitotenv.2018.06.375

Ley, M., Lehmann, M. F., Niklaus, P. A., & Luster, J. (2018). Alteration of nitrous oxide emissions from floodplain soils by aggregate size, litter accumulation and plant-soil interactions. Biogeosciences, 15(22), 7043–7057. https://doi.org/10.5194/bg-15-7043-2018

Steinle, Lea, Knittel, Katrin, Felber, Nicole, Casalino, Claudia, de Lange, Gert, Tessarolo, Chiara, Stadnitskaia, Alina, Damste, Jaap S. S., Zopfi, Jakob, Lehmann, Moritz F., Treude, Tina, & Niemann, Helge. (2018). Life on the edge: active microbial communities in the Kryos MgCl(2-)brine basin at very low water activity. The ISME Journal, 12(6), 1414–1426. https://doi.org/10.1038/s41396-018-0107-z

Symanczik, Sarah, Lehmann, Moritz F., Wiemken, Andres, Boller, Thomas, & Courty, Pierre-Emmanuel. (2018). Effects of two contrasted arbuscular mycorrhizal fungal isolates on nutrient uptake by Sorghum bicolor under drought. Mycorrhiza, 28(8), 779–785. https://doi.org/10.1007/s00572-018-0853-9

Volk, M., Bassin, S., Lehmann, M. F., Johnson, M. G., & Andersen, C. P. (2018). C-13 isotopic signature and C concentration of soil density fractions illustrate reduced C allocation to subalpine grassland soil under high atmospheric N deposition. Soil Biology & Biochemistry, 125, 178–184. https://doi.org/10.1016/j.soilbio.2018.07.014

Weber, Yuki, Damste, Jaap Sinninghe, Zopfi, Jakob, De Jonge, Cindy, Gilli, Adrian, Schubert, Carsten J., Lepori, Fabio, Lehmann, Moritz F., & Niemann, Helge. (2018). Redox-dependent niche differentiation provides evidence for multiple bacterial sources of glycerol tetraether lipids in lakes. Proceedings of the National Academy of Sciences of the United States of America, 115(43), 10926–10931. https://doi.org/10.1073/pnas.1805186115

Brankovits, D., Pohlman, J. W., Niemann, H., Leigh, M. B., Leewis, M. C., Becker, K. W., Iliffe, T. M., Alvarez, F., Lehmann, M. F., & Phillips, B. (2017). Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem. Nature Communications, 8(1), 1835. https://doi.org/10.1038/s41467-017-01776-x

Doppler, Thomas, Gerling, Claudia, Heyd, Volker, Knipper, Corina, Kuhn, Thomas, Lehmann, Moritz F., Pike, Alistair W. G., & Schibler, Jörg. (2017). Landscape opening and herding strategies: Carbon isotope analyses of herbivore bone collagen from the Neolithic and Bronze Age lakeshore site of Zurich-Mozartstrasse, Switzerland. Quaternary International, 436, 18–28. https://doi.org/10.1016/j.quaint.2015.09.007

Frame, Caitlin H., Lau, Evan, Nolan, Joseph, Goepfert, Tyler G., & Lehmann, Moritz F. (2017). Acidification Enhances Hybrid N2O Production Associated with Aquatic Ammonia-Oxidizing Microorganisms. Frontiers in Microbiology, 7, 2104. https://doi.org/10.3389/fmicb.2016.02104

Gerling, Claudia, Doppler, Thomas, Heyd, Volker, Knipper, Corina, Kuhn, Thomas, Lehmann, Moritz F., Pike, Alistair W. G., & Schibler, Jörg. (2017). High-resolution isotopic evidence of specialised cattle herding in the European Neolithic. PLoS ONE, 12(7), e0180164. https://doi.org/10.1371/journal.pone.0180164

Gerling, Claudia, Doppler, Thomas, Pike, Alistair W. G., Knipper, Corina, Heyd, Volker, Kuhn, Thomas, Lehmann, Moritz F., & Schibler, Jorg. (2017). The Beginnings of Alpine Transhumance? Isotopic Insights into Neolithic Cattle Herding. Chimia, 71(12), 860. https://doi.org/10.2533/chimia.2017.860

Grimmeisen, F., Lehmann, M. F., Liesch, T., Goeppert, N., Klinger, J., Zopfi, J., & Goldscheider, N. (2017). Isotopic constraints on water source mixing, network leakage and contamination in an urban groundwater system. Science of the Total Environment, 583, 202–213. https://doi.org/10.1016/j.scitotenv.2017.01.054

Koegel, Sally, Mieulet, Delphine, Baday, Sefer, Chatagnier, Odile, Lehmann, Moritz F., Wiemken, Andres, Boller, Thomas, Wipf, Daniel, Bernèche, Simon, Guiderdoni, Emmanuel, & Courty, Pierre-Emmanuel. (2017). Phylogenetic, structural, and functional characterization of AMT3;1, an ammonium transporter induced by mycorrhization among model grasses. Mycorrhiza, 27(7), 695–708. https://doi.org/10.1007/s00572-017-0786-8

Steinle, Lea, Maltby, Johanna, Treude, Tina, Kock, Annette, Bange, Hermann W., Engbersen, Nadine, Zopfi, Jakob, Lehmann, Moritz F., & Niemann, Helge. (2017). Effects of low oxygen concentrations on aerobic methane oxidation in seasonally hypoxic coastal waters. Biogeosciences, 14(6), 1631–1645. https://doi.org/10.5194/bg-14-1631-2017

Vystavna, Y., Diadin, D., Yakovlev, V., Hejzlar, J., Vadillo, I., Huneau, F., & Lehmann, M. F. (2017). Constraining nitrate contamination in a shallow urban aquifer: integrating stable nitrate isotope measurements and land use analysis. Environmental Earth Sciences, 76(13), 463. https://doi.org/10.1007/s12665-017-6796-1

Weber, Yuki, Sinninghe Damsté, Jaap S., Hopmans, Ellen C., Lehmann, Moritz F., & Niemann, Helge. (2017). Incomplete recovery of intact polar glycerol dialkyl glycerol tetraethers from lacustrine suspended biomass. Limnology and Oceanography: Methods, 15(9), 782–793. https://doi.org/10.1002/lom3.10198

Huppi, Roman, Neftel, Albrecht, Lehmann, Moritz F., Krauss, Maike, Six, Johan, & Leifeld, Jens. (2016). N use efficiencies and N2O emissions in two contrasting, biochar amended soils under winter wheat-cover crop-sorghum rotation. Environmental Research Letters, 11(8), 84013. https://doi.org/10.1088/1748-9326/11/8/084013

McCarthy, Mark J., Gardner, Wayne S., Lehmann, Moritz F., Guindon, Alexandre, & Bird, David F. (2016). Benthic nitrogen regeneration, fixation, and denitrification in a temperate, eutrophic lake: Effects on the nitrogen budget and cyanobacteria blooms. Limnology and Oceanography, 61(4), 1406–1423. https://doi.org/10.1002/lno.10306

Mohn, Joachim, Gutjahr, Wilhelm, Toyoda, Sakae, Harris, Eliza, Ibraim, Erkan, Geilmann, Heike, Schleppi, Patrick, Kuhn, Thomas, Lehmann, Moritz F., Decock, Charlotte, Werner, Roland A., Yoshida, Naohiro, & Brand, Willi A. (2016). Reassessment of the NH4NO3 thermal decomposition technique for calibration of the N2O isotopic composition. Rapid Communications in Mass Spectrometry, 30(23), 2487–2496. https://doi.org/10.1002/rcm.7736

Oswald, Kirsten, Jegge, Corinne, Tischer, Jana, Berg, Jasmine, Brand, Andreas, Miracle, Maria R., Soria, Xavier, Vicente, Eduardo, Lehmann, Moritz F., Zopfi, Jakob, & Schubert, Carsten J. (2016). Methanotrophy under Versatile Conditions in the Water Column of the Ferruginous Meromictic Lake La Cruz (Spain). Frontiers in Microbiology, 7, 1762. https://doi.org/10.3389/fmicb.2016.01762

Steinle, Lea, Schmidt, Mark, Bryant, Lee, Haeckel, Matthias, Linke, Peter, Sommer, Stefan, Zopfi, Jakob, Lehmann, Moritz F., Treude, Tina, & Niemannn, Helge. (2016). Linked sediment and water-column methanotrophy at a man-made gas blowout in the North Sea: Implications for methane budgeting in seasonally stratified shallow seas. Limnology and Oceanography, 61, S367–S386. https://doi.org/10.1002/lno.10388

Wenk, Christine B., Frame, Caitlin H., Koba, Keisuke, Casciotti, Karen L., Veronesi, Mauro, Niemann, Helge, Schubert, Carsten J., Yoshida, Naohiro, Toyoda, Sakae, Makabe, Akiko, Zopfi, Jakob, & Lehmann, Moritz F. (2016). Differential N2O dynamics in two oxygen-deficient lake basins revealed by stable isotope and isotopomer distributions. Limnology and Oceanography, 61(5), 1735–1749. https://doi.org/10.1002/lno.10329

Wankel, S. D., Buchwald, C., Ziebis, W., Wenk, C. B., & Lehmann, M. F. (2015). Nitrogen cycling in the deep sedimentary biosphere: Nitrate isotopes in porewaters underlying the oligotrophic North Atlantic. Biogeosciences, 12(24), 7483–7502. https://doi.org/10.5194/bg-12-7483-2015

Blees, Jan, Niemann, Helge, Erne, Markus, Zopfi, Jakob, Schubert, Carsten J., & Lehmann, Moritz F. (2015). Spatial variations in surface water methane super-saturation and emission in Lake Lugano, southern Switzerland. Aquatic Sciences, 77(4), 535–545. https://doi.org/10.1007/s00027-015-0401-z

Courty, Pierre-Emmanuel, Doubkova, Pavia, Calabrese, Silvia, Niemann, Helge, Lehmann, Moritz F., Vosatka, Miroslav, & Selosse, Marc-Andre. (2015). Species-dependent partitioning of C and N stable isotopes between arbuscular mycorrhizal fungi and their C3 and C4 hosts. Soil Biology & Biochemistry, 82, 52–61. https://doi.org/10.1016/j.soilbio.2014.12.005

Lehmann, M. F., Simona, M., Wyss, S., Blees, J. H., Frame, C. H., Niemann, H., Veronesi, M., & Zopfi, J. (2015). Powering up the “biogeochemical engine”: The impact of exceptional ventilation of a deep meromictic lake on the lacustrine redox, nutrient and methane balances. Frontiers in Earth Science, 3, 45. https://doi.org/10.3389/feart.2015.00045

Naeher, Sebastian, Huguet, Arnaud, Roose-Amsaleg, Celine L., Laverman, Anniet M., Fosse, Celine, Lehmann, Moritz F., Derenne, Sylvie, & Zopfi, Jakob. (2015). Molecular and geochemical constraints on anaerobic ammonium oxidation (anammox) in a riparian zone of the Seine Estuary (France). Biogeochemistry, 123(1-2), 237–250. https://doi.org/10.1007/s10533-014-0066-z

Niemann, Helge, Steinle, Lea, Blees, Jan, Bussmann, Ingeborg, Treude, Tina, Krause, Stefan, Elvert, Marcus, & Lehmann, Moritz F. (2015). Toxic effects of lab-grade butyl rubber stoppers on aerobic methane oxidation. Limnology and Oceanography: Methods, 13(1), 40–52. https://doi.org/10.1002/lom3.10005

Rohde, M. M., Granger, J., Sigman, D. M., & Lehmann, M. F. (2015). Coupled nitrate N and O stable isotope fractionation by a natural marine plankton consortium. Frontiers in Marine Science, 2, 28. https://doi.org/10.3389/fmars.2015.00028

Saarenheimo, Jatta, Rissanen, Antti J., Arvola, Lauri, Nykänen, Hannu, Lehmann, Moritz F., & Tiirola, Marja. (2015). Genetic and Environmental Controls on Nitrous Oxide Accumulation in Lakes. PLoS ONE, 10(3), e0121201. https://doi.org/10.1371/journal.pone.0121201

Steinle, Lea, Graves, Carolyn A., Treude, Tina, Ferre, Benedicte, Biastoch, Arne, Bussmann, Ingeborg, Berndt, Christian, Krastel, Sebastian, James, Rachael H., Behrens, Erik, Boening, Claus W., Greinert, Jens, Sapart, Celia-Julia, Scheinert, Markus, Sommer, Stefan, Lehmann, Moritz F., & Niemann, Helge. (2015). Water column methanotrophy controlled by a rapid oceanographic switch. Nature Geoscience, 8(5), 378–382. https://doi.org/10.1038/ngeo2420

Steinle, Lea, Graves, Carolyn, Treude, Tina, Ferre, Benedicte, Biastoch, Arne, Bussmann, Ingeborg, Berndt, Christian, Krastel, Sebastian, James, Rachael H., Behrens, Erik, Böning, Claus W., Greinert, Jens, Sapart, Célia-Julia, Scheinert, Markus, Sommer, Stefan, Lehmann, Moritz F., & Niemann, Helge. (2015). Methane concentration, oxidation rates and abundance of bacteria during Maria S. Merian cruise MSM21/4 at Svalbard seeps in summer 2012 [dataset]. In Steine, L. (Ed.), Nature Geoscience. https://doi.org/10.1594/pangaea.844010

Wankel, S. D., Buchwald, C., Ziebis, W., Wenk, Christine B., & Lehmann, Moritz F. (2015). Nitrogen cycling in the subsurface biosphere: Nitrate isotopes in porewaters underlying the oligotrophic North Atlantic. Biogeosciences, 12, 7483–7502. https://doi.org/10.5194/bg-12-7483-2015

Weber, Yuki, De Jonge, Cindy, Rijpstra, W. Irene C., Hopmans, Ellen C., Stadnitskaia, Alina, Schubert, Carsten J., Lehmann, Moritz F., Damste, Jaap S. Sinninghe, & Niemann, Helge. (2015). Identification and carbon isotope composition of a novel branched GDGT isomer in lake sediments: evidence for lacustrine branched GDGT production. Geochimica et Cosmochimica Acta, 154, 118–129. https://doi.org/10.1016/j.gca.2015.01.032

Blees, Jan, Niemann, Helge, Wenk, Christine B., Zopfi, Jakob, Schubert, Carsten J., Jenzer, Joel S., Veronesi, Mauro, & Lehmann, Moritz F. (2014). Bacterial methanotrophs drive the formation of a seasonal anoxic benthic nepheloid layer in an alpine lake. Limnology and Oceanography, 59(4), 1410–1420. https://doi.org/10.4319/lo.2014.59.4.1410

Blees, Jan, Niemann, Helge, Wenk, Christine B., Zopfi, Jakob, Schubert, Carsten J., Kirf, Mathias K., Veronesi, Mauro L., Hitz, Carmen, & Lehmann, Moritz F. (2014). Micro-aerobic bacterial methane oxidation in the chemocline and anoxic water column of deep south-Alpine Lake Lugano (Switzerland). Limnology and Oceanography, 59(2), 311–324. https://doi.org/10.4319/lo.2014.59.2.0311

Bourbonnais, Annie, Juniper, S. Kim, Butterfield, David A., Anderson, Rika E., & Lehmann, Moritz F. (2014). Diversity and abundance of Bacteria and nirS-encoding denitrifiers associated with the Juan de Fuca Ridge hydrothermal system. Annals of Microbiology, 64(4), 1691–1705. https://doi.org/10.1007/s13213-014-0813-3

Dabundo, R., Lehmann, Moritz F., Treibergs, L., Tobias, C. L., Altabet, M. A., Moisander, P. H., & Granger, J. (2014). The contamination of commercial 15N2 gas stocks with 15N-labeled nitrate and ammonium and consequences for 
nitrogen fixation measurements. PLoS ONE, Vol. 9, H. 10 , e110335, 1691–1705. https://doi.org/10.1371/journal.pone.0110335

Wenk, Christine B., Zopfi, Jakob, Blees, Jan, Veronesi, Mauro, Niemann, Helge, & Lehmann, Moritz F. (2014). Community N and O isotope fractionation by sulfide-dependent denitrification and anammox in a stratified lacustrine water column. Geochimica et Cosmochimica Acta, 125, 551–563. https://doi.org/10.1016/j.gca.2013.10.034

Wenk, Christine B., Zopfi, Jakob, Gardner, Wayne S., McCarthy, Mark J., Niemann, Helge, Veronesi, Mauro, & Lehmann, Moritz F. (2014). Partitioning between benthic and pelagic nitrate reduction in the Lake Lugano south basin. Limnology and Oceanography, 59(4), 1421–1433. https://doi.org/10.4319/lo.2014.59.4.1421