Prof. Dr. Klaus Holger Knorr

Publications

• 2025
• 2024
• 2023
• 2022
• 2021
• 2020
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006

2025

• Giese, L, Baumberger, M, Ludwig, M, Schneidereit, H, Sánchez, E, Robroek, BJ, Lamentowicz, M, Lehmann, J, Hölzel, N, Knorr, K, and Meyer, H. et al. 2025. “Recent trends in moisture conditions across European peatlands.” Remote Sensing Applications: Society and Environment, № 37: 101385–101385. doi: 10.1016/j.rsase.2024.101385.
• Krüger, N., Knorr, K.H., and Mueller, P. 2025. “Opposite priming responses to labile carbon versus oxygen pulses in anoxic peat.” Soil Biology and Biochemistry, № 202 109682. doi: 10.1016/j.soilbio.2024.109682.
• Middelanis, T., Looschelders, D., Mueller, P., and Knorr, K.H. 2025. “Potential of biochar to mitigate methane production in paddy soils—application of a new incubation and modelling approach.” Biogeochemistry, № 168 (1) 6. doi: 10.1007/s10533-024-01200-9.
• Teickner, Henning, Pebesma, Edzer, and Knorr, Klaus-Holger. 2025. “A synthesis of Sphagnum litterbag experiments: initial leaching losses bias decomposition rate estimates.” Biogeosciences, № 22 (2): 417–433. doi: 10.5194/bg-22-417-2025.
• Wang, H., Yu, Z.G., Broder, T., Göttlicher, J., Steininger, R., Wagner, S., Biester, H., and Knorr, K.H. et al. 2025. “Elevated Atmospheric Sulfur Deposition Affects Predominant Forms of Sulfur in Ombrotrophic Peatlands.” Journal of Geophysical Research: Biogeosciences, № 130 (2) doi: 10.1029/2024JG008563.
• Deng, Y., Boodoo, K.S., Knorr, K.H., and Glatzel, S. 2025. “Assessing the impact of land use on peat degradation in bogs in the Enns Valley, Austria.” Soil Use and Management, № 41 (1) e70013. doi: 10.1111/sum.70013.
• Lang, T.T.M., Schindler, L., Nakajima, C., Hülsmann, L., Knorr, K.H., and Borken, W. 2025. “Greenhouse gas fluxes from two drained pond sediments: a mesocosm study.” Biogeochemistry, № 168 (2) doi: 10.1007/s10533-025-01229-4.

2024

• Sharma, Bidhya, Moore, Tim R., Knorr, Klaus-Holger, Teickner, Henning, Douglas, Peter M. J., and T. Roulet, Nigel. Forthcoming. “Horticultural additives influence peat biogeochemistry and increase short-term CO2 production from peat.” Plant and Soil doi: 10.1007/s11104-024-06685-9.
• Groß, C., Hossen, S., Dittrich, S., Knorr, K.H., Borken, W., and Noll, M. 2024. “Biological nitrogen fixation, diversity and community structure of diazotrophs in two mosses in 25 temperate forests.” Environmental Microbiology, № 26 (1) e16555. doi: 10.1111/1462-2920.16555.
• Charamba, LV, Houska, T, Kaiser, K, Knorr, K-H, Krüger, S, Krause, T, Chen, H, Krám, P, Hruška, J, and Kalbitz, K. et al. 2024. “Tracing sources of dissolved organic matter along the terrestrial-aquatic continuum in the Ore Mountains, Germany.” Science of the Total Environment, № 943: 173807–173807. doi: 10.1016/j.scitotenv.2024.173807.
• Heffernan, L., Estop-Aragonés, C., Kuhn, M.A., K.-H., Knorr, and Olefeldt, D. 2024. “Changing climatic controls on the greenhouse gas balance of thermokarst bogs during succession after permafrost thaw.” Global Change Biology, № 30 (7) doi: 10.1111/gcb.17388.
• Wang, H.Y., Yu, Z.G., Zhou, F.W., Hernandez, J.C., Grandjean, A., Biester, H., Xiao, K.Q., and Knorr, K.H. et al. 2024. “Microbial communities and functions are structured by vertical geochemical zones in a northern peatland.” Science of the Total Environment, № 950 doi: 10.1016/j.scitotenv.2024.175273.
• Sharma, B., Moore, T.R., Knorr, K.H., Teickner, H., Douglas, P.M.J., and Roulet, N.T. 2024. “Horticultural additives influence peat biogeochemistry and increase short-term CO2 production from peat.” Plant and Soil, № 505 (1): 449–464. doi: 10.1007/s11104-024-06685-9.

2023

• Teickner, Henning, and Knorr, Klaus-Holger. 2023. “Comment on Hodgkins et al. (2018).” EarthArXiv doi: 10.31223/X5XH5V.
• Harris, LI, Olefeldt, D, Pelletier, N, Blodau, C, Knorr, K, Talbot, J, Heffernan, L, and Turetsky, M. et al. 2023. “Permafrost thaw causes large carbon loss in boreal peatlands while changes to peat quality are limited.” Global Change Biology, № early view (n/a) doi: 10.1111/gcb.16894.
• Freitag, M, Hölzel, N, Neuenkamp, L, Plas, F, Manning, P, Abrahão, A, Bergmann, J, Boeddinghaus, R, Bolliger, R, Hamer, U, Kandeler, E, Kleinebecker, T, Knorr, K-H, Marhan, S, Neyret, M, Prati, D, Le Provost, G, Saiz, H, Kleunen, M, Schäfer, D, and Klaus, VH. et al. 2023. “Increasing plant species richness by seeding has marginal effects on ecosystem functioning in agricultural grasslands.” Journal of Ecology, № early view (n/a) doi: 10.1111/1365-2745.14154.
• Gałka, M., Loisel, J., Knorr, K., Diaconu, A., Obremska, M., Teickner, H., and Feurdean, A. et al. 2023. “How degraded are the peatland and forest ecosystems in the Bieszczady Mountains (Central Europe)? An assessment using long-term records.” Land Degradation and Development, № 34 (4): 1246–1262. doi: 10.1002/ldr.4530.
• Guth, Patrick, Gao, Chuanyu, and Knorr, Klaus-Holger. 2023. “Electron Accepting Capacities of a Wide Variety of Peat Materials From Around the Globe Similarly Explain CO2 and CH4 Formation.” Global Biogeochemical Cycles, № 37 (1): e2022GB007459–e2022GB007459. doi: 10.1029/2022GB007459.
• Clark, Laura, Strachan, Ian B., Strack, Maria, Roulet, Nigel T., Knorr, Klaus-Holger, and Teickner, Henning. 2023. “Duration of extraction determines CO2 and CH4 emissions from an actively extracted peatland in eastern Quebec, Canada.” Biogeosciences, № 20 (3): 737–751. doi: 10.5194/bg-20-737-2023.
• Sim, TG, Swindles, GT, Morris, PJ, Baird, AJ, Gallego-Sala, AV, Wang, Y, Blaauw, M, Camill, P, Garneau, M, Hardiman, M, Loisel, J, Vӓliranta, M, Anderson, L, Apolinarska, K, Augustijns, F, Aunina, L, Beaulne, J, Bobek, P, Borken, W, Broothaerts, N, Cui, Q, Davies, MA, Ejarque, A, Farrell, M, Feeser, I, Feurdean, A, Fewster, RE, Finkelstein, SA, Gaillard, M, Gałka, M, Heffernan, L, Hoevers, R, Jones, M, Juselius-Rajamäki, T, Karofeld, E, Knorr, K, Korhola, A, Kupriyanov, D, Kylander, ME, Lacourse, T, Lamentowicz, M, Lavoie, M, Lemdahl, G, Łuców, D, Magnan, G, Maksims, A, Mansilla, CA, Marcisz, K, Marinova, E, Mathijssen, PJ, Mauquoy, D, Mazei, YA, Mazei, N, McCarroll, J, McCulloch, RD, Milner, AM, Miras, Y, Mitchell, FJ, Novenko, E, Pelletier, N, Peros, MC, Piilo, SR, Pilote, L, Primeau, G, Rius, D, Robin, V, Robitaille, M, Roland, TP, Ryberg, E, Sannel, ABK, Schittek, K, Servera-Vives, G, Shotyk, W, Słowiński, M, Stivrins, N, Swinnen, W, Thompson, G, Tiunov, A, Tsyganov, AN, Tuittila, E, Verstraeten, G, Wallenius, T, Webb, J, Willard, D, Yu, Z, Zaccone, C, and Zhang, H. et al. 2023. “Regional variability in peatland burning at mid-to high-latitudes during the Holocene.” Quaternary Science Reviews, № 305: 108020–108020. doi: 10.1016/j.quascirev.2023.108020.
• Gao, C., Knorr, K.-H., Chen, H., and He, Y. 2023. “Editorial: Disturbance, resilience, and restoration of wetlands.” Frontiers in Ecology and Evolution, № 11 doi: 10.3389/fevo.2023.1166223.
• Wang, Hongyan, Xu, Yijie, Kumar, Amit, Knorr, Klaus-Holger, Zhao, Xiaoning, Perez, Jeffrey Paulo H., Sun, Guoxin, and Yu, Zhi-Guo. et al. 2023. “Temperature and organic carbon quality control the anaerobic carbon mineralization in peat profiles via modulating microbes: A case study of Changbai Mountain.” Environmental Research, № 237 (1) 116904. doi: 10.1016/j.envres.2023.116904.
• Jardine, P.E., Kent, M.S., Fraser, W.T., Knorr, K.-H., and Lomax, B.H. 2023. “Uncovering a phylogenetic signal in plant biopolymer chemistry: a comparison of sporopollenin isolation approaches for use in palynological research.” Palaeontology, № 66 (6) e12683. doi: 10.1111/pala.12683.
• Gałka, M., Diaconu, A.C., Cwanek, A., Hedenäs, L., Knorr, K.H., Kołaczek, P., Łokas, E., Obremska, M., Swindles, G.T., and Feurdean, A. et al. 2023. “Climate-induced hydrological fluctuations shape Arctic Alaskan peatland plant communities.” Science of the Total Environment, № 905 167381. doi: 10.1016/j.scitotenv.2023.167381.
• Thomas, Carrie L, Jansen, Boris, Czerwiński, Sambor, Gałka, Mariusz, Knorr, Klaus-Holger, van Loon, Emiel E., Egli, Markus, and Wiesenberg, Guido B.L. et al. 2023. “Comparison of paleobotanical and biomarker records of mountain peatland and forest ecosystem dynamics over the last 2600 years in Central Germany.” Biogeosciences, № 20: 4893–4914. doi: 10.5194/bg-2023-57.
• Zhou, X, Kumar, A, Wang, H, Knorr, K, Chen, Y, Liu, Y, Lin, J, Han, L, and Yu, Z. et al. 2023. “Greenhouse gas emissions hotspots and drivers of urban freshwater bodies in areas of the Yangtze River delta, China.” Ecohydrology, № 16 (2): e2498. doi: 10.1002/eco.2498.

2022

• Kuhn, MA, Schmidt, M, Heffernan, L, Stührenberg, J, Knorr, K, Estop-Aragonés, C, Broder, T, Gonzalez Moguel, R, Douglas, PMJ, and Olefeldt, D. et al. 2022. “High ebullitive, millennial-aged greenhouse gas emissions from thermokarst expansion of peatland lakes in boreal western Canada.” Limnology and Oceanography, № 68 (2): 498–513. doi: 10.1002/lno.12288.
• Weckerle, Tim, Ewald, Helen, Guth, Patrick, Knorr, Klaus-Holger, Philipp, Bodo, and Holert, Johannes. 2022. “Biogas digestate as a sustainable phytosterol source forbiotechnological cascade valorization.” Microbial Biotechnology, № 16 (2): 337–349. doi: 10.1111/1751-7915.14174.
• Teickner, Henning, and Klaus-Holger, Knorr. 2022. “Improving models to predict holocellulose and Klason lignin contents for peat soil organic matter with mid-infrared spectra.” SOIL, № 8 (2): 699–715. doi: 10.5194/soil-8-699-2022.
• Aftabtalab, Adeleh, Moreno-Jiménez, Eduardo, Henschel, Jonas, Nowak, Sascha, Schaller, Jörg, and Knorr, Klaus-Holger. 2022. “The Impact of Dissolved Organic Matter on Arsenic Mobilization from Goethite in the Presence of Silicic Acid and Phosphate under Reducing Conditions.” Water, № 14 2975. doi: 10.3390/w14192975.
• Aftabtalab, A, Rinklebe, J, Shaheen, SM, Niazi, NK, Moreno-Jiménez, E, Schaller, J, and Knorr, K-H. et al. 2022. “Review on the interactions of arsenic, iron (oxy)(hydr)oxides, and dissolved organic matter in soils, sediments, and groundwater in a ternary system.” Chemosphere, № 286 (2): 131790. doi: 10.1016/j.chemosphere.2021.131790.
• Verbeke, BA, Lamit, LJ, Lilleskov, EA, Hodgkins, SB, Basiliko, N, Kane, ES, Andersen, R, Artz, RRE, Benavides, JC, Benscoter, BW, Borken, W, Bragazza, L, Brandt, SM, Bräuer, SL, Carson, MA, Charman, D, Chen, X, Clarkson, BR, Cobb, AR, Convey, P, Pasquel, JdÁ, Enriquez, AS, Griffiths, H, Grover, SP, Harvey, CF, Harris, LI, Hazard, C, Hodgson, D, Hoyt, AM, Hribljan, J, Jauhiainen, J, Juutinen, S, Knorr, K-H, Kolka, RK, Könönen, M, Larmola, T, McCalley, CK, McLaughlin, J, Moore, TR, Mykytczuk, N, Normand, AE, Rich, V, Roulet, N, Royles, J, Rutherford, J, Smith, DS, Svenning, MM, Tedersoo, L, Thu, PQ, Trettin, CC, Tuittila, E, Urbanová, Z, Varner, RK, Wang, M, Wang, Z, Warren, M, Wiedermann, MM, Williams, S, Yavitt, JB, Yu, Z, Yu, Z, and Chanton, JP. et al. 2022. “Latitude, Elevation, and Mean Annual Temperature Predict Peat Organic Matter Chemistry at a Global Scale.” Global Biogeochemical Cycles, № 36 (2): e2021GB007057. doi: 10.1029/2021GB007057.
• Teickner, H, Gao, C, and Knorr, K-H. 2022. “Electrochemical Properties of Peat Particulate Organic Matter on a Global Scale: Relation to Peat Chemistry and Degree of Decomposition.” Global Biogeochemical Cycles, № 36 (2): e2021GB007160. doi: 10.1029/2021GB007160.
• Schuster, W, Knorr, K-H, Blodau, C, Gałka, M, Borken, W, Pancotto, VA, and Kleinebecker, T. et al. 2022. “Control of carbon and nitrogen accumulation by vegetation in pristine bogs of southern Patagonia.” Science of the Total Environment, № 810: 151293. doi: 10.1016/j.scitotenv.2021.151293.
• Gałka, Mariusz, Hölzer, Adam, Feurdean, Angelica, Loisel, Julie, Teickner, Henning, Diaconu, Andrei-Cosmin, Szal, Marta, Broder, Tanja, and Knorr, Klaus-Holger. et al. 2022. “Insight into the factors of mountain bog and forest development in the Schwarzwald Mts.: Implications for ecological restoration.” Ecological Indicators, № 140: 1–13. doi: 10.1016/j.ecolind.2022.109039.
• Heim, RJ, Yurtaev, A, Bucharova, A, Heim, W, Kutskir, V, Knorr, K, Lampei, C, Pechkin, A, Schilling, D, Sulkarnaev, F, and Hölzel, N. et al. 2022. “Fire in lichen-rich subarctic tundra changes carbon and nitrogen cycling between ecosystem compartments but has minor effects on stocks.” Biogeosciences, № 19 (10): 2729–2740. doi: 10.5194/bg-19-2729-2022.
• Gałka, M, Diaconu, A, Feurdean, A, Loisel, J, Teickner, H, Broder, T, and Knorr, K. et al. 2022. “Relations of fire, palaeohydrology, vegetation succession, and carbon accumulation, as reconstructed from a mountain bog in the Harz Mountains (Germany) during the last 6200 years.” Geoderma, № 424: 115991. doi: 10.1016/j.geoderma.2022.115991.
• Gutekunst, Cordula Nina, Liebner, Susanne, Jenner, Anna-Katharina, Knorr, Klaus-Holger, Unger, Viktoria, Koebsch, Franziska: Don Racasa Erwin, Yang, Sizhong, Böttcher, Michael Ernst, Janssen, Manon, Kallmeyer, Jens, Otto, Denise, Schmiedinger, Iris, Winski, Lucas, and Jurasinski, Gerald. et al. 2022. “Effects of brackish water inflow on methane-cycling microbial communities in a freshwater rewetted coastal fen.” Biogeosciences, № 19 (15): 3625–3648. doi: 10.5194/bg-19-3625-2022.
• Heffernan, L., Cavaco, M.A., Bhatia, M.P., Estop-Aragonés, C., Knorr, K.H., and Olefeldt, D. 2022. “High peatland methane emissions following permafrost thaw: enhanced acetoclastic methanogenesis during early successional stages.” Biogeosciences, № 19 (12): 3051–3071. doi: 10.5194/bg-19-3051-2022.
• Gałka, M., Knorr, K.-H., Tobolski, K., Gallego-Sala, A., Kołaczek, P., Lamentowicz, M., Kajukało-Drygalska, K., and Marcisz, K. et al. 2022. “How far from a pristine state are the peatlands in the Białowieża Primeval Forest (CE Europe) – Palaeoecological insights on peatland and forest development from multi-proxy studies.” Ecological Indicators, № 143: 109421. doi: 10.1016/j.ecolind.2022.109421.
• Koschorreck, M, Knorr, KH, and Teichert, L. 2022. “Temporal patterns and drivers of CO2 emission from dry sediments in a groyne field of a large river.” Biogeosciences, № 19 (22): 5221–5236. doi: 10.5194/bg-19-5221-2022.
• Hinzke, T, Tanneberger, F, Aggenbach, C, Bog, M, Dahlke, S, Knorr, K, Kotowski, W, Kozub, Ł, Lange, J, Li, G, Michaelis, D, Pronin, E, Schnittler, M, Seeber, E, and Kreyling, J. et al. 2022. “Response Patterns of Fen Sedges to a Nutrient Gradient Indicate both Geographic Origin-Specific Genotypic Differences and Phenotypic Plasticity.” Wetlands, № 42 (8): 113. doi: 10.1007/s13157-022-01629-4.
• Estop-Aragonés, C, Heffernan, L, Knorr, K-H, and Olefeldt, D. 2022. “Limited Potential for Mineralization of Permafrost Peatland Soil Carbon Following Thermokarst: Evidence From Anoxic Incubation and Priming Experiments.” Journal of Geophysical Research: Biogeosciences, № 127 (12): e2022JG006910–e2022JG006910. doi: 10.1029/2022JG006910.
• Watmough, S, Gilbert-Parkes, S, Basiliko, N, Lamit, LJ, Lilleskov, EA, Andersen, R, Aguila-Pasque, l J, Artz, RE, Benscoter, BW, Borken, W, Bragazza, L, Brandt, SM, Bräue, r SL, Carson, MA, Chen, X, Chimner, RA, Clarkson, BR, Cobb, AR, Enriquez, AS, Farmer, J, Grover, SP, Harvey, CF, Harris, LI, Hazard, C, Hoyt, AM, Hribljan, J, Jauhiainen, J, Juutinen, S, Kane, ES, Knorr, K, Kolka, R, Könönen, M, Laine, AM, Larmola, T, Levasseur, PA, McCalley, CK, McLaughlin, J, Moore, TR, Mykytczuk, N, Normand, AE, Rich, V, Robinson, B, Rupp, DL, Rutherford, J, Schadt, CW, Smith, DS, Spiers, G, Tedersoo, L, Thu, PQ, Trettin, CC, Tuittila, E, Turetsky, M, Urbanová, Z, Varner, RK, Waldrop, MP, Wang, M, Wang, Z, Warren, M, Wiedermann, MM, Williams, ST, Yavitt, JB, Yu, Z, and Zahn, G. et al. 2022. “Variation in carbon and nitrogen concentrations among peatland categories at the global scale.” PloS one, № 17 (11): 1–15. doi: 10.1371/journal.pone.0275149.
• Gałka, Mariusz, Kołaczek, Piotr, Sim, G.Thomas, Knorr, Klaus‐Holger, Niedzielski, Przemysław, Agnieszka, Lewandowska, and Szczurek, Grzegorz. et al. 2022. “Palaeoenvironmental conditions and human activity in the vicinity of the Grodzisko fortified settlement (central Europe, Poland) from the late‐Neolithic to the Roman period.” Geoarchaeology - An International Journal, № 37 (2): 385–399. doi: 10.1002/gea.21896.
• Dorodnikov, Maxim, Knorr, Klaus-Holger, Fan, Lichao, Kuzyakov, Yakov, and Nilsson, Mats B. 2022. “A novel belowground in-situ gas labeling approach: CH4 oxidation in deep peat using passive diffusion chambers and 13C excess.” Science of the Total Environment, № 806 (1) 150457. doi: 10.1016/j.scitotenv.2021.150457.
• Koschorreck, Matthias, Knorr, Klaus Holger, and Teichert, Lelaina. 2022. “Temporal patterns and drivers of CO2 emission from dry sediments in a groyne field of a large river.” Biogeosciences, № 19 (22) doi: 10.5194/bg-19-5221-2022.
• Dorodnikov, M, Knorr, K-H, Fan, L, Kuzyakov, Y, and Nilsson, MB. 2022. “A novel belowground in-situ gas labeling approach: CH4 oxidation in deep peat using passive diffusion chambers and 13C excess.” Science of the Total Environment, № 806: 150457. doi: 10.1016/j.scitotenv.2021.150457.

2021

• Hinzke, T, Tanneberger, F, Aggenbach, C, Dahlke, S, Knorr, K-H, Kotowski, W, Kozub, L, Lange, J, Li, G, Pronin, E, Seeber, E, Wichtmann, W, and Kreyling, J. et al. 2021. “Can nutrient uptake by Carex counteract eutrophication in fen peatlands?” Science of the Total Environment, № 785: 147276. doi: 10.1016/j.scitotenv.2021.147276.
• Zhang, L, Gałka, M, Kumar, A, Liu, M, Knorr, K-H, and Yu, Z-G. 2021. “Plant succession and geochemical indices in immature peatlands in the Changbai Mountains, northeastern region of China: Implications for climate change and peatland development.” Science of the Total Environment, № 773: 143776. doi: 10.1016/j.scitotenv.2020.143776.
• Praetzel, LES, Schmiedeskamp, M, and Knorr, K-H. 2021. “Temperature and sediment properties drive spatiotemporal variability of methane ebullition in a small and shallow temperate lake.” Limnology and Oceanography, № early view
• Schmiedeskamp, Marcel, Praetzel, Leandra Stephanie Emilia, Bastviken, David, and Knorr, Klaus-Holger. 2021. “Whole‐lake methane emissions from two temperate shallow lakes with fluctuating water levels: Relevance of spatiotemporal patterns.” Limnology and Oceanography, № 2022 (6): 2455–2469. doi: 10.1002/lno.11764.
• Hinzke, T, Li, G, Tanneberger, F, Seeber, E, Aggenbach, C, Lange, J, Kozub, Ł, Knorr, K-H, Kreyling, J, and Kotowski, W. et al. 2021. “Potentially peat-forming biomass of fen sedges increases with increasing nutrient levels.” Functional Ecology, № 35 (7): 1579–1595. doi: 10.1111/1365-2435.13803.
• Schittek, K, Teichert, L, Geiger, K, Knorr, K-H, and Schneider, S. 2021. “A 14,000 year peatland record of environmental change in the southern Gutland region, Luxembourg.” The Holocene, № 31 (6): 1005–1018. doi: 10.1177/0959683621994645.
• Knierzinger, W, Huang, J-JS, Strasser, M, Knorr, K-H, Drescher-Schneider, R, and Wagreich, M. 2021. “Late Holocene periods of copper mining in the Eisenerz Alps (Austria) deduced from calcareous lake deposits.” Anthropocene, № 33: 100273. doi: 10.1016/j.ancene.2020.100273.
• Knierzinger, W, Festi, D, Limbeck, A, Horak, F, Brunnbauer, L, Drollinger, S, Wagreich, M, Huang, JS, Strasser, M, Knorr, K-H, Reschreiter, H, Gier, S, Kofler, W, Herzig, C, and Kowarik, K. et al. 2021. “Multi-proxy analyses of a minerotrophic fen to reconstruct prehistoric periods of human activity associated with salt mining in the Hallstatt region (Austria).” Journal of Archaeological Science: Reports, № 36: 102813. doi: 10.1016/j.jasrep.2021.102813.
• Serk, H, Nilsson, MB, Bohlin, E, Ehlers, I, Wieloch, T, Olid, C, Grover, S, Kalbitz, K, Limpens, J, Moore, T, Münchberger, W, Talbot, J, Wang, X, Knorr, K-H, Pancotto, V, and Schleucher, J. et al. 2021. “Global CO2 fertilization of Sphagnum peat mosses via suppression of photorespiration during the twentieth century.” Scientific Reports, № 11 (1): 24517. doi: 10.1038/s41598-021-02953-1.
• Gałka, M, Kołaczek, P, Sim, TG, Knorr, K-H, Niedzielski, P, Lewandowska, A, and Szczurek, G. et al. 2021. “Palaeoenvironmental conditions and human activity in the vicinity of the Grodzisko fortified settlement (central Europe, Poland) from the late-Neolithic to the Roman period.” Geoarchaeology, № n/a (n/a) doi: 10.1002/gea.21896.
• Klein-Raufhake, T, Höfner, J, Hölzel, N, Knorr, K-H, Lampei, C, Mudrák, O, and Bucharova, A. et al. 2021. “Nitrogen limitation reduces the performance of target plant species in restored meadows.” Restoration Ecology, № 30 (7): e13608. doi: 10.1111/rec.13608.
• Unger, V, Liebner, S, Koebsch, F, Yang, S, Horn, F, Sachs, T, Kallmeyer, J, Knorr, K-H, Rehder, G, Gottschalk, P, and Jurasinski, G. et al. 2021. “Congruent changes in microbial community dynamics and ecosystem methane fluxes following natural drought in two restored fens.” Soil Biology and Biochemistry, № 160: 108348.
• Hömberg, A, Broder, T, Schaller, J, and Knorr, K-H. 2021. “Methane fluxes but not respiratory carbon dioxide fluxes altered under Si amendment during drying – rewetting cycles in fen peat mesocosms.” Geoderma, № 404: 115338–. doi: 10.1016/j.geoderma.2021.115338.
• Serk, Henrik, Nilsson, Mats B., Bohlin, Elisabet, Ehlers, Ina, Wieloch, Thomas, Olid, Carolina, Grover, Samantha, Kalbitz, Karsten, Limpens, Juul, Moore, Tim, Munchberger, Wiebke, Talbot, Julie, Wang, Xianwei, Knorr, Klaus-Holger, Pancotto, Veronica, and Schleucher, Jurgen. et al. 2021. “Global CO2 fertilization of Sphagnum peat mosses via suppression of photorespiration during the twentieth century.” Scientific Reports, № 11 (1) 24517 . doi: 10.1038/s41598-021-02953-1.
• Hömberg, A, Knorr, K-H, and Schaller, J. 2021. “Methane Production Rate during Anoxic Litter Decomposition Depends on Si Mass Fractions, Nutrient Stoichiometry, and Carbon Quality.” Plants, № 10: 618. doi: 10.3390/plants10040618.
• Hömberg, A, Broder, T, Knorr, K-H, and Schaller, J. 2021. “Divergent effect of silicon on greenhouse gas production from reduced and oxidized peat organic matter.” Geoderma, № 386: 114916. doi: 10.1016/j.geoderma.2020.114916.

2020

• Praetzel, LES, Plenter, N, Schilling, S, Schmiedeskamp, M, and Broll, GKnorr K-H. 2020. “Organic matter and sediment properties determine in-lake variability of sediment CO2 and CH4 production and emissions of a small and shallow lake.” Biogeosciences, № 17 (20): 5057–5078. doi: 10.5194/bg-17-5057-2020.
• Knierzinger, W, Drescher-Schneider, R, Knorr, K-H, Drollinger, S, Limbeck, A, Brunnbauer, L, Horak, F, Festi, D, and Wagreich, M. et al. 2020. “Anthropogenic and climate signals in late-Holocene peat layers of an ombrotrophic bog in the Styrian Enns valley (Austrian Alps).” E&G Quaternary Science Journal, № 69 (2): 121–137. doi: 10.5194/egqsj-69-121-2020.
• Hömberg, AObst M, Knorr, K-HKalbitz K, and Schaller, J. 2020. “Increased silicon concentration in fen peat leads to a release of iron and phosphate and changes in the composition of dissolved organic matter.” Geoderma, № 374: 114422. doi: 10.1016/j.geoderma.2020.114422.
• Drollinger, S, Knorr, K-H, Knierzinger, W, and Glatzel, S. 2020. “Peat decomposition proxies of Alpine bogs along a degradation gradient.” Geoderma, № 369: 114331. doi: 10.1016/j.geoderma.2020.114331.
• Bonaiuti, S, Blodau, C, and Knorr, K-H. 2020. “Evaluating biogeochemical indicators of methanogenic conditions and thermodynamic constraints in peat.” Applied Geochemistry, № 114: 104471. doi: 10.1016/j.apgeochem.2019.104471.
• Heffernan, L, Estop-Aragonés, C, Knorr, K-H, Talbot, J, and Olefeldt, D. 2020. “Long‐term Impacts of Permafrost Thaw on Carbon Storage in Peatlands: Deep Losses Offset by Surficial Accumulation.” Journal of Geophysical Research: Biogeosciences, № 125 (3): e2019JG005501. doi: 10.1029/2019JG005501.
• Diaconu, A-C, Tanţău, I, Knorr, K-H, Borken, W, Feurdean, A, Panait, A, and Gałka, M. et al. 2020. “A multi-proxy analysis of hydroclimate trends in an ombrotrophic bog over the last millennium in the Eastern Carpathians of Romania.” Palaeogeography, Palaeoclimatology, Palaeoecology, № 538: 109390. doi: 10.1016/j.palaeo.2019.109390.

2019

• Selle, B, Knorr, K-H, and Lischeid, G. 2019. “Mobilisation and transport of dissolved organic carbon and iron in peat catchments—Insights from the Lehstenbach stream in Germany using generalised additive models.” Hydrological Processes, № 33 (25): 3213–3225. doi: 10.1002/hyp.13552.
• Mathijssen, PJH, Gałka, M, Borken, W, and Knorr, K-H. 2019. “Plant communities control long term carbon accumulation and biogeochemical gradients in a Patagonian bog.” Science of the Total Environment, № 684: 670–681. doi: 10.1016/j.scitotenv.2019.05.310.
• Schaller, J, Heimes, R, Ma, JF, Meunier, J-D, Shao, JF, Fujii-Kashino, M, and Knorr, K-H. et al. 2019. “Silicon accumulation in rice plant aboveground biomass affects leaf carbon quality.” Plant and Soil, № 444: 399–407. doi: 10.1007/s11104-019-04267-8.
• Moore, TR, Knorr, K-H, Thompson, L, Roy, C, and Bubier, JL. 2019. “The effect of long-term fertilization on peat in an ombrotrophic bog.” Geoderma, № 343: 176–186. doi: 10.1016/j.geoderma.2019.02.034.
• Berger, S, Braeckevelt, E, Blodau, C, Burger, M, Goebel, M, Klemm, O, Knorr, K-H, and Wagner-Riddle, C. et al. 2019. “A 1-year greenhouse gas budget of a peatland exposed to long-term nutrient infiltration and altered hydrology: high carbon uptake and methane emission.” Environmental Monitoring and Assessment, № 191 (533) doi: 10.1007/s10661-019-7639-1.
• Münchberger, W, Knorr, K, Blodau, C, Pancotto, VA, and Kleinebecker, T. 2019. “Zero to moderate methane emissions in a densely rooted, pristine Patagonian bog - biogeochemical controls as revealed from isotopic evidence.” Biogeosciences, № 16 (2): 541–559. doi: 10.5194/bg-16-541-2019.
• Gałka, M, Szal, M, Broder, T, Loisel, J, and Knorr, K-H. 2019. “Peatbog resilience to pollution and climate change over the past 2700 years in the Harz Mountains, Germany.” Ecological Indicators, № 97: 183–193. doi: 10.1016/j.ecolind.2018.10.015.
• Yan, R, Kappler, A, Muehe, EM, Knorr, K-H, Horn, MA, Poser, A, Lohmayer, R, and Peiffer, S. et al. 2019. “Effect of Reduced Sulfur Species on Chemolithoautotrophic Pyrite Oxidation with Nitrate.” Geomicrobiology Journal, № 36 (1): 19–29. doi: 10.1080/01490451.2018.1489915.
• Gao, C, Sander, M, Agethen, S, and Knorr, K-H. 2019. “Electron accepting capacity of dissolved and particulate organic matter control CO2 and CH4 formation in peat soils.” Geochimica et Cosmochimica Acta, № 245: 266–277. doi: 10.1016/j.gca.2018.11.004.

2018

• Blodau, C, Agethen, S, Broder, T, and Knorr, K-H. 2018. “Gradients of organic matter quality, mineralization and sequestration in Cook's Bay of Lake Simcoe, Canada.” Limnologica, № 68: 92–104. doi: 10.1016/j.limno.2017.04.005.
• Xia, B, Qiu, H, Knorr, K, Blodau, C, and Qiu, R. 2018. “Occurrence and fate of colloids and colloid-associated metals in a mining-impacted agricultural soil upon prolonged flooding.” Journal of Hazardous Materials, № 348: 56–66. doi: 10.1016/j.jhazmat.2018.01.026.
• Wen, X, Unger, V, Jurasinski, G, Koebsch, F, Horn, F, Rehder, G, Sachs, T, Zak, D, Lischeid, G, Knorr, KH, Böttcher, ME, Winkel, M, Bodelier, PLE, and Liebner, S. et al. 2018. “Predominance of methanogens over methanotrophs in rewetted fens characterized by high methane emissions.” Biogeosciences, № 15 (21): 6519–6536. doi: 10.5194/bg-15-6519-2018.
• Kim, K, Jung, S, Choi, Y, Peiffer, S, Knorr, K-H, and Kim, B. 2018. “Methane Gas Emission from an Artificial Reservoir under Asian Monsoon Climate Conditions, with a Focus on the Ebullition Pathway.” Korean Journal of Ecology and Environment, № 51: 160–167. doi: 10.11614/KSL.2018.51.2.160.
• Agethen, S, Sander, M, Waldemer, C, and Knorr, K-H. 2018. “Plant rhizosphere oxidation reduces methane production and emission in rewetted peatlands.” Soil Biology and Biochemistry, № 125: 125–135. doi: 10.1016/j.soilbio.2018.07.006.
• Agethen, S, and Knorr, K-H. 2018. “Juncus effusus mono-stands in restored cutover peat bogs – Analysis of litter quality, controls of anaerobic decomposition, and the risk of secondary carbon loss.” Soil Biology and Biochemistry, № 117: 139–152. doi: 10.1016/j.soilbio.2017.11.020.
• Berger, S, Praetzel, LSE, Goebel, M, Blodau, C, and Knorr, K-H. 2018. “Differential response of carbon cycling to long-term nutrient input and altered hydrological conditions in a continental Canadian peatland.” Biogeosciences, № 15 (3): 885–903. doi: 10.5194/bg-15-885-2018.

2017

• Berger, S., Gebauer, G., Blodau, C., and Knorr, K. 2017. “Peatlands in a eutrophic world – Assessing the state of a poor fen-bog transition in southern Ontario, Canada, after long term nutrient input and altered hydrological conditions.” Soil Biology and Biochemistry, № 114 (null): 131–144. doi: 10.1016/j.soilbio.2017.07.011.
• Reithmaier, G., Knorr, K., Arnhold, S., Planer-Friedrich, B., and Schaller, J. 2017. “Enhanced silicon availability leads to increased methane production, nutrient and toxicant mobility in peatlands.” Scientific Reports, № 7 (1) doi: 10.1038/s41598-017-09130-3.
• Musolff, A., Selle, B., Büttner, O., Opitz, M., Knorr, K., Fleckenstein, J., Reemtsma, T., and Tittel, J. et al. 2017. “Does iron reduction control the release of dissolved organic carbon and phosphate at catchment scales? Need for a joint research effort.” Global Change Biology, № 23 (9): e5–e6. doi: 10.1111/gcb.13758.
• Broder, T, Knorr, K-H, and Biester, H. 2017. “Changes in dissolved organic matter quality in a peatland and forest headwater stream as a function of seasonality and hydrologic conditions.” Hydrology and Earth System Sciences, № 21 (4): 2035–2051. doi: 10.5194/hess-21-2035-2017.
• Bonaiuti, S., Blodau, C., and Knorr, K. 2017. “Transport, anoxia and end-product accumulation control carbon dioxide and methane production and release in peat soils.” Biogeochemistry, № 133 (2): 219–239. doi: 10.1007/s10533-017-0328-7.

2016

• Wertebach, T-M, Knorr, K-H, Lordieck, M, Tretiakov, N, Blodau, C, Hölzel, N, and Kleinebecker, T. et al. 2016. “Relationships between Vegetation Succession, Pore Water Chemistry and CH4 and CO2 Production in a Transitional Mire of Western Siberia (Tyumen Oblast).” Wetlands, № 36 (5): 863–874. doi: 10.1007/s13157-016-0798-8.
• Kim, K, Kim, B, Knorr, K, Eum, J, Choi, Y, Jung, S, and Peiffer, S. et al. 2016. “Potential effects of sediment processes on water quality of an artificial reservoir in the Asian monsoon region.” Inland Waters, № 6 (3): 423–435.
• Borken, W, Horn, MA, Geimer, S, Aguilar, NAB, and Knorr, K. 2016. “Associative nitrogen fixation in nodules of the conifer Lepidothamnus fonkii (Podocarpaceae) inhabiting ombrotrophic bogs in southern Patagonia.” Scientific Reports, № 6: 39072. doi: 10.1038/srep39072.
• Wei, S., Bai, J., Yang, C., Zhang, Q., Knorr, K., Zhan, J., and Gao, Q. et al. 2016. “Compound amino acids added in media improved Solanum nigrum L. phytoremediating CD-PAHS contaminated soil.” International Journal of Phytoremediation, № 18 (4): 358–363. doi: 10.1080/15226514.2015.1109592.
• Gao, C., Knorr, K., Yu, Z., He, J., Zhang, S., Lu, X., and Wang, G. et al. 2016. “Black carbon deposition and storage in peat soils of the Changbai Mountain, China.” Geoderma, № 273 (null): 98–105. doi: 10.1016/j.geoderma.2016.03.021.
• Yu, Z., Göttlicher, J., Steininger, R., and Knorr, K. 2016. “Organic sulfur and organic matter redox processes contribute to electron flow in anoxic incubations of peat.” Environmental Chemistry, № 13 (5): 816–825. doi: 10.1071/EN15091.
• Xia, B., Guo, P., Lei, Y., Zhang, T., Qiu, R., and Knorr, K. 2016. “Investigating speciation and toxicity of heavy metals in anoxic marine sediments—a case study from a mariculture bay in Southern China.” Journal of Soils and Sediments, № 16 (2): 665–676. doi: 10.1007/s11368-015-1267-3.
• Yu, Z., Orsetti, S., Haderlein, S., and Knorr, K. 2016. “Electron Transfer Between Sulfide and Humic Acid: Electrochemical Evaluation of the Reactivity of Sigma-Aldrich Humic Acid Toward Sulfide.” Aquatic Geochemistry, № 22 (2): 117–130. doi: 10.1007/s10498-015-9280-0.
• Hausmann, B., Knorr, K., Schreck, K., Tringe, S., Glavina, Del Rio T., Loy, A., and Pester, M. et al. 2016. “Consortia of low-abundance bacteria drive sulfate reduction-dependent degradation of fermentation products in peat soil microcosms.” ISME Journal, № 10 (10): 2365–2375. doi: 10.1038/ismej.2016.42.

2015

• Yu, Z, Peiffer, S, Göttlicher, J, and Knorr, K. 2015. “Electron transfer budgets and kinetics of abiotic oxidation and incorporation of aqueous sulfide by dissolved organic matter.” Environmental Science and Technology, № 49 (9): 5441–5449. doi: 10.1021/es505531u.
• Knorr, K., Horn, M., and Borken, W. 2015. “Significant nonsymbiotic nitrogen fixation in Patagonian ombrotrophic bogs.” Global Change Biology, № 21 (6): 2357–2365. doi: 10.1111/gcb.12849.
• Broder, T, Blodau, C, Biester, H, and Knorr, K-H. 2015. “Sea spray, trace elements, and decomposition patterns as possible constraints on the evolution of CH4 and CO2 concentrations and isotopic signatures in oceanic ombrotrophic bogs.” Biogeochemistry, № 122: 327–342. doi: 10.1007/s10533-014-0044-5.

2014

• Biester, H, Knorr, K, Schellekens, J, Basler, A, and Hermanns, Y. 2014. “Comparison of different methods to determine the degree of peat decomposition in peat bogs.” Biogeosciences, № 11: 2691–2707.

2013

• K-H, Knorr. 2013. “DOC-dynamics in a small headwater catchment as driven by redox fluctuations and hydrological flow paths - Are DOC exports mediated by iron reduction/oxidation cycles?” Biogeosciences, № 10 (2): 891–904. doi: 10.5194/bg-10-891-2013.
• Strohmeier, S, Knorr, K-H, Reichert, M, Frei, S, Fleckenstein, JH, Peiffer, S, and Matzner, E. et al. 2013. “Concentrations and fluxes of dissolved organic carbon in runoff from a forested catchment: Insights from high frequency measurements.” Biogeosciences, № 10 (2): 905–916. doi: 10.5194/bg-10-905-2013.
• Estop-Aragonés, C, Knorr, K-H, and Blodau, C. 2013. “Belowground in situ redox dynamics and methanogenesis recovery in a degraded fen during dry-wet cycles and flooding.” Biogeosciences, № 10 (1): 421–436. doi: 10.5194/bg-10-421-2013.
• Neubauer, E, Von der, Kammer F, Knorr, K-H, Peiffer, S, Reichert, M, and Hofmann, T. 2013. “Colloid-associated export of arsenic in stream water during stormflow events.” Chemical Geology, № 352: 81–91. doi: 10.1016/j.chemgeo.2013.05.017.

2012

• Frei, S, Knorr, KH, Peiffer, S, and Fleckenstein, JH. 2012. “Surface micro-topography causes hot spots of biogeochemical activity in wetland systems: A virtual modeling experiment.” Journal of Geophysical Research, № 117 (4) doi: 10.1029/2012JG002012.
• Pester, M, Knorr, K-H, Friedrich, MW, Wagner, M, and Loy, A. 2012. “Sulfate-reducing microorganisms in wetlands - fameless actors in carbon cycling and climate change.” Frontiers in Microbiology, № 3 doi: 10.3389/fmicb.2012.00072.
• Broder, T, Blodau, C, Biester, H, and Knorr, KH. 2012. “Peat decomposition records in three pristine ombrotrophic bogs in southern Patagonia.” Biogeosciences, № 9 (4): 1479–1491. doi: 10.5194/bg-9-1479-2012.
• Estop-Aragonés, C, Knorr, K-H, and Blodau, C. 2012. “Controls on in situ oxygen and dissolved inorganic carbon dynamics in peats of a temperate fen.” Journal of Geophysical Research, № 117 (2) doi: 10.1029/2011JG001888.

2011

• Dorodnikov, M, Knorr, K-H, Kuzyakov, Y, and Wilmking, M. 2011. “Plant-mediated CH 4 transport and contribution of photosynthates to methanogenesis at a boreal mire: A 14C pulse-labeling study.” Biogeosciences, № 8 (8): 2365–2375. doi: 10.5194/bg-8-2365-2011.
• Fleckenstein, JH, Frei, S, and Knorr, K-H. 2011. “Modelling interactions between hydrologic dynamics and biogeochemical processes in a riparian wetland of a low-order stream.” contribution to the XXV IUGG General Assembly, Melbourne Australia,

2010

• K-H, Knorr. 2010. “Effects of intensified drought and rewetting dynamics on respiratory processes in a minerotrophic fen | Auswirkungen verstärkter Austrocknungs- Und Wiederbefeuchtungsereignisse auf Respiratiodns- prozesse in einem Niedermoor.” Telma(40): 67–88.
• Goldberg, SD, Knorr, K-H, Blodau, C, Lischeid, G, and Gebauer, G. 2010. “Impact of altering the water table height of an acidic fen on N2O and NO fluxes and soil concentrations.” Global Change Biology, № 16 (1): 220–233. doi: 10.1111/j.1365-2486.2009.02015.x.
• Deppe, M, Knorr, K-H, McKnight, DM, and Blodau, C. 2010. “Effects of short-term drying and irrigation on CO2 and CH4 production and emission from mesocosms of a northern bog and an alpine fen.” Biogeochemistry, № 100 (1): 89–103. doi: 10.1007/s10533-010-9406-9.

2009

• Knorr, K-H, and Blodau, C. 2009. “Impact of experimental drought and rewetting on redox transformations and methanogenesis in mesocosms of a northern fen soil.” Soil Biology and Biochemistry, № 41 (6): 1187–1198. doi: 10.1016/j.soilbio.2009.02.030.
• Knorr, K-H, Lischeid, G, and Blodau, C. 2009. “Dynamics of redox processes in a minerotrophic fen exposed to a water table manipulation.” Geoderma, № 153 (3-4): 379–392. doi: 10.1016/j.geoderma.2009.08.023.

2008

• Goldberg, SD, Knorr, K-H, and Gebauer, G. 2008. “N2O concentration and isotope signature along profiles provide deeper insight into the fate of N2O in soils.” Isotopes in Environmental and Health Studies, № 44 (4): 377–391. doi: 10.1080/10256010802507433.
• Glaser, B, and Knorr, K-H. 2008. “Isotopic evidence for condensed aromatics from non-pyrogenic sources in soils - Implications for current methods for quantifying soil black carbon.” Rapid Communications in Mass Spectrometry, № 22 (7): 935–942. doi: 10.1002/rcm.3448.
• Knorr, K-H, Glaser, B, and Blodau, C. 2008. “Fluxes and 13C isotopic composition of dissolved carbon and pathways of methanogenesis in a fen soil exposed to experimental drought.” Biogeosciences, № 5 (5): 1457–1473. doi: 10.5194/bg-5-1457-2008.
• Knorr, K-H, Oosterwoud, MR, and Blodau, C. 2008. “Experimental drought alters rates of soil respiration and methanogenesis but not carbon exchange in soil of a temperate fen.” Soil Biology and Biochemistry, № 40 (7): 1781–1791. doi: 10.1016/j.soilbio.2008.03.019.
• Blodau, C, Rees, R, Flessa, H, Rodionov, A, Guggenberger, G, Knorr, K-H, Shibistova, O, Zrazhevskaya, G, Mikheeva, N, and Kasansky, OA. et al. 2008. “A snapshot of CO2 and CH4 evolution in a thermokarst pond near Igarka, northern Siberia.” Journal of Geophysical Research, № 113 (3) doi: 10.1029/2007JG000652.
• Blodau, C, Fulda, B, Bauer, M, and Knorr, K-H. 2008. “Arsenic speciation and turnover in intact organic soil mesocosms during experimental drought and rewetting.” Geochimica et Cosmochimica Acta, № 72 (16): 3991–4007. doi: 10.1016/j.gca.2008.04.040.

2007

• Knorr, K-H, and Blodau, C. 2007. “Controls on schwertmannite transformation rates and products.” Applied Geochemistry, № 22 (9): 2006–2015. doi: 10.1016/j.apgeochem.2007.04.017.

2006

• Blodau, C, and Knorr, K-H. 2006. “Experimental inflow of groundwater induces a "biogeochemical regime shift" in iron-rich and acidic sediments.” Journal of Geophysical Research, № 111 (2) doi: 10.1029/2006JG000165.
• Knorr, K-H, and Blodau, C. 2006. “Experimentally Altered Groundwater Inflow Remobilizes Acidity from Sediments of an Iron Rich and Acidic Lake.” Environmental Science and Technology, № 40: 2944–2950. doi: 10.1021/es051874u.

Proceedings and book chapters

• Fleckenstein, JH; Frei, S; Knorr, KH: Modelling interactions between hydrologic dynamics and biogeochemical processes in a riparian wetland of a low-order stream, IAHS Red Book(345), 89-92 (2011)
• Peiffer, S; Knorr, KH; Blodau, C: 3.2.1.2 The Role of Iron Minerals for the Biogeochemistry of Acid Pit Lakes, , Acid Pit Lakes (Ed. Geller W.) (2011)
• Knorr, KH: Auswirkung verstärkter Austrocknungs- und Wiederbefeuchtungsereignisse auf Respirationsprozesse in einem Niedermoor, Telma, 40, 67-88 (2010)