Prof. Dr. Klaus Holger Knorr

Publications

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

2024

• Sharma, Bidhya; Moore, Tim R.; Knorr, Klaus-Holger; Teickner, Henning; Douglas, Peter M. J.; T. Roulet, Nigel. 2024. ‘Horticultural additives influence peat biogeochemistry and increase short-term CO2 production from peat.’ Plant and Soil . doi: 10.1007/s11104-024-06685-9. [accepted / in Press (not yet published)]
• Groß C.; Hossen S.; Dittrich S.; Knorr K.H.; Borken W.; 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; Kalbitz, K. 2024. ‘Tracing sources of dissolved organic matter along the terrestrial-aquatic continuum in the Ore Mountains, Germany.’ Science of the Total Environment 943: 173807. doi: 10.1016/j.scitotenv.2024.173807.
• Heffernan, L.; Estop-Aragonés, C.; Kuhn, M.A.; Knorr K.-H.; 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.; Knorr, K.H. 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.
• Giese L; Baumberger M; Ludwig M; Schneidereit H; Sánchez E; Robroek BJ; Lamentowicz M; Lehmann J; Hölzel N; Knorr K; Meyer H. 2024. ‘Recent trends in moisture conditions across European peatlands.’ Remote Sensing Applications: Society and Environment 2024: 101385. doi: https://doi.org/10.1016/j.rsase.2024.101385.

2023

• Teickner, Henning; Knorr, Klaus-Holger. 2023 Comment on Hodgkins et al. (2018) EarthArXiv. 1^st Ed. . doi: 10.31223/X5XH5V.
• Gałka, M.; Loisel, J.; Knorr, K.; Diaconu, A.; Obremska, M.; Teickner, H.; Feurdean, A. 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; 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. doi: 10.1029/2022GB007459.
• Clark, Laura; Strachan, Ian B.; Strack, Maria; Roulet, Nigel T.; Knorr, Klaus-Holger; 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; Zhang, H. 2023. ‘Regional variability in peatland burning at mid-to high-latitudes during the Holocene.’ Quaternary Science Reviews 305: 108020. doi: 10.1016/j.quascirev.2023.108020.
• Gao, C.; Knorr, K.-H.; Chen, H.; 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; Yu, Zhi-Guo. 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.; 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.; Feurdean A. 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.
• Harris LI; Olefeldt D; Pelletier N; Blodau C; Knorr K; Talbot J; Heffernan L; Turetsky M. 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; Klaus, VH. 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.
• Thomas, Carrie L; Jansen, Boris; Czerwiński, Sambor; Gałka, Mariusz; Knorr, Klaus-Holger; van Loon, Emiel E.; Egli, Markus; Wiesenberg, Guido B.L. 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; Yu, Z. 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; Olefeldt, D. 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.
• Aftabtalab A, Rinklebe J, Shaheen SM, Niazi NK, Moreno-Jiménez E, Schaller J, Knorr K-H. 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, Chanton JP. 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, 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, Kleinebecker T. 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; Knorr, Klaus-Holger. 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, Hölzel N. 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, Knorr K. 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; Jurasinski, Gerald. 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.; 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.; Marcisz, K. 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; 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; Kreyling, J. 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; 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. 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; Zahn, G. 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; Lewandowska Agnieszka; Szczurek, Grzegorz. 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; 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; 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.
• Weckerle, Tim; Ewald, Helen; Guth, Patrick; Knorr, Klaus-Holger; Philipp, Bodo; 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; 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; 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.
• Dorodnikov M, Knorr K-H, Fan L, Kuzyakov Y, 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

• Praetzel LES, Schmiedeskamp M, 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; 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, Kotowski W. 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, 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, 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, Kowarik K. 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, Schleucher J. 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, Szczurek G. 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, Bucharova A. 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, Jurasinski G. 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, 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; Schleucher, Jurgen. 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.
• 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, Kreyling J. 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, 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.
• Hömberg A, Knorr K-H, 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, 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

• Bonaiuti S, Blodau C, 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.
• Praetzel LES, Plenter N, Schilling S, Schmiedeskamp M, Broll G Knorr 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, Wagreich M. 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 A Obst M, Knorr K-H Kalbitz K, 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, Glatzel S. 2020. ‘Peat decomposition proxies of Alpine bogs along a degradation gradient.’ Geoderma 369: 114331. doi: 10.1016/j.geoderma.2020.114331.
• Heffernan L, Estop-Aragonés C, Knorr K-H, Talbot J, 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, Gałka M. 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, 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.
• Berger S, Braeckevelt E, Blodau C, Burger M, Goebel M, Klemm O, Knorr K-H, Wagner-Riddle C. 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, 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, 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, Peiffer S. 2019. ‘Effect of Reduced Sulfur Species on Chemolithoautotrophic Pyrite Oxidation with Nitrate.’ Geomicrobiology Journal 36, № 1: 19–29. doi: 10.1080/01490451.2018.1489915.
• Mathijssen PJH, Gałka M, Borken W, 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, Knorr K-H. 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, 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.
• Gao C, Sander M, Agethen S, 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

• Xia B, Qiu H, Knorr K, Blodau C, 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, Liebner S. 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, 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, 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, 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.
• Blodau C, Agethen S, Broder T, 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.
• Berger S, Praetzel LSE, Goebel M, Blodau C, 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., 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., 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., Tittel J. 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, 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., 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

• Kim K, Kim B, Knorr K, Eum J, Choi Y, Jung S, Peiffer S. 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, 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., Gao Q. 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., Wang G. 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., 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., 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., 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., Pester M. 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.
• Wertebach T-M, Knorr K-H, Lordieck M, Tretiakov N, Blodau C, Hölzel N, Kleinebecker T. 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.

2015

• Knorr K., Horn M., 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, 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.
• Yu Z, Peiffer S, Göttlicher J, 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.

2014

• Biester H, Knorr K, Schellekens J, Basler A, Hermanns Y. 2014. ‘Comparison of different methods to determine the degree of peat decomposition in peat bogs.’ Biogeosciences 11: 2691–2707.

2013

• Knorr K-H. 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, Matzner E. 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, 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, 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, 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, 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, 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, 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, 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, Knorr K-H. 2011. ‘Modelling interactions between hydrologic dynamics and biogeochemical processes in a riparian wetland of a low-order stream.’ Contributed to the XXV IUGG General Assembly, Melbourne Australia,.

2010

• Knorr K-H. 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, 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, 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, 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, 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, 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, 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, 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, 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, Kasansky OA. 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, 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, 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, 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, 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)