Prof. Dr. Claudia Kammann

Görres C.-M., Kammann C. (2020): First field estimation of greenhouse gas release from European soil-dwelling Scarabaeidae larvae targeting the genus Melolontha. PLoS ONE 15 (8) DOI: 10.1371/journal.pone.0238057

Haider G., Joseph S., Steffens D., Müller C., Sarasadat T., Mitchell D., Kammann C.I. (2020): Mineral nitrogen captured in field-aged biochar is plant-available. Scientific Reports 10 DOI: 10.1038/s41598-020-70586-x

Amirahmadi E., Mohammad Hojjati S., Kammann C., Ghorbani M., Biparva P. (2020): The Potential Effectiveness of Biochar Application to Reduce Soil Cd Bioavailability and Encourage Oak Seedling Growth. Applied Sciences 10 (10) DOI: 10.3390/app10103410

Fuertes-Mendizábal T., Huérfano X., Vega-Mas I., Torralbo F., Menéndez S., Ippolito J.A., Kammann C., Wrage-Mönnig N., Cayuela M.L., Borchard N., Spokas K., Novak J., González-Moro M.B., González-Murua C., Estavillo J.M. (2019): Biochar reduces the efficiency of nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) mitigating N2O emissions. Scientific Reports 9 DOI: 10.1038/s41598-019-38697-2

Borchard N., Schirrmann M., Cayuela M.L., Kammann C., Wrage-Mönnig N., Estavillo J.M., Fuertes-Mendizábal T., Gilbert S., Spokas K., Ippolito J.A., Novak J. (2019): Biochar, soil and land-use interactions that reduce nitrate leaching and N2O emissions: A meta-analysis. Science of the Total Environment 651 S. 2354 - 2364. DOI: 10.1016/j.scitotenv.2018.10.060

Dieguez-Alonso A., Anca-Couce A., Fristak V., Moreno-Jimenez E., Bacher M., Bucheli T.D., Cimo G., Conte P., Hagemann N., Haller A., Hilber I., Husson O., Kammann C., Kienzl N., Leifeld J., Rosenau T., Soja G., Schmidt H.P. (2019): Designing biochar properties through the blending of biomass feedstock with metals: Impact on oxyanions adsorption behavior. Chemosphere 214 S. 743 - 753. DOI: 10.1016/j.chemosphere.2018.09.091

Smith P., Adams J., Beerling D.J., Beringer T., Calvin K.V., Fuss S., Griscom B., Hagemann N., Kammann C., Kraxner F., Minx J.C., Popp A., Renforth P., Vicente J.L.V., Keesstra S. (2019): Impacts of Land-Based Greenhouse Gas Removal Options on Ecosystem Services and the United Nations Sustainable Development Goals. Annual Review of Environment and Resources 44 S. 255 - 286. DOI: 10.1146/annurev-environ-101718-033129

Schmidt H.-P., Anca-Couce A., Hagemann N., Werner C., Gerten D., Lucht W., Kammann, C. (2019): Pyrogenic Carbon Capture & Storage (PyCCS). Global change biology. Bioenergy 11 (4) S. 573 - 591. DOI: 10.1111/gcbb.12553

Schmidt H.-P., Hagemann N., Draper K., Kammann C. (2019): The use of biochar in animal feeding. PeerJ 7 DOI: 10.7717/peerj.7373

Werner C., Schmidt H.P., Gerten D., Lucht W., Kammann C. (2018): Biogeochemical potential of biomass pyrolysis systems for limiting global warming to 1.5 degrees C. Environmental Research Letters 13 (4) DOI: 10.1088/1748-9326/aabb0e

Andresen L.C., Yuan N., Seibert R., Moser G., Kammann C., Luterbacher J., Erbs M., Müller C. (2018): Biomass responses in a temperate European grassland through 17 years of elevated CO2. Global Change Biology 24 S. 3875 - 3885. DOI: 10.1111/gcb.13705

Joseph S., Kammann C., Shepherd J.G., Conte P., Schmidt H.P., Hagemann N., Rich A.M., Marjo C.E., Allen J., Munroe P., Mitchell D.R.G, Donne S., Spokas K., Graber E.R. (2018): Microstructural and associated chemical changes during the composting of a high temperature biochar: Mechanisms for nitrate, phosphate and other nutrient retention and release. Science of the Total Environment 618 S. 1210 - 1223. DOI: 10.1016/j.scitotenv.2017.09.200

Kammann C., Ippolito J., Hagemann N., Borchard N., Cayuela M.L., Estavillo J.M., Fuertes-Mendizabal T., Jeffery S., Kern J., Novak J., Rasse D., Saarnio S., Schmidt H.P., Spokas K., Wrage-Monnig N. (2017): Biochar as a tool to reduce the agricultural greenhouse-gas burden - knowns, unknowns and future research needs. Journal of Environmental Engineering and Landscape Management 25 (2) S. 114 - 139. DOI: 10.3846/16486897.2017.1319375

Haider G., Steffens D., Moser G., Muller C., Kammann C.I. (2017): Biochar reduced nitrate leaching and improved soil moisture content without yield improvements in a four-year field study. Agriculture, Ecosystems and Environment 237 S. 80 - 94. DOI: 10.1016/j.agee.2016.12.019

Mehmood K., Garcia E.C., Schirrmann M., Ladd B., Kammann C., Wrage-Monnig N., Siebe C., Estavillo J.M., Fuertes-Mendizabal T., Cayuela M., Sigua G., Spokas K., Cowie A.L., Novak J., Ippolito J.A., Borchard N. (2017): Biochar research activities and their relation to development and environmental quality. A meta-analysis. Agronomy for Sustainable Development 37 (3) DOI: 10.1007/s13593-017-0430-1

Schmidt H.P., Pandit B.H., Cornelissen G., Kammann C. (2017): Biochar-Based Fertilization With Liquid Nutrient Enrichment: 21 Field Trials Covering 13 Crop Species In Nepal. Land Degradation and Development 28 S. 2324 - 2342. DOI: 10.1002/ldr.2761

Tammeorg P., Bastos A.C., Jeffery S., Rees F., Kern J., Graber E.R., Ventura M., Kibblewhite M., Amaro A., Budai A., Cordovil C.M.D.S., Domene X., Gardi C., Gasco G., Horak J., Kammann C., Kondrlova E., Laird D., Loureiro S., Martins M.A.S., Panzacchi P., Prasad M., Prodana M., Puga A.P., Ruysschaert G., Sas-Paszt L., Silva F.C., Teixeira W.G., Tonon G., Delle Vedove G., Zavalloni C., Glaser B., Verheijen F.G.A. (2017): Biochars in soils: Towards the required level of scientific understanding. Journal of Environmental Engineering and Landscape Management 25 (2) S. 192 - 207. DOI: 10.3846/16486897.2016.1239582

Schimmelpfennig S., Kammann C., Mumme J., Marhan S., Bamminger C., Moser G., Müller C. (2017): Degradation of Miscanthus x giganteus biochar, hydrochar and feedstock under the influence of disturbance events. Applied Soil Ecology 113 S. 135 - 150. DOI: 10.1016/j.apsoil.2017.01.006

Glaser B., Baltrenas P., Kammann C., Kern J., Baltrenaite E. (2017): Editorial: special issue on biochar as an option for sustainable resource management (EU COST Action TD1107 final publication). Vilnius Gediminas Technical University / Taylor & Francis S. 83 - 85. DOI: 10.3846/16486897.2017.1319376

Schmidt H.-P., Pandit B.P., Kammann C., Taylor P. (2017): Forest Gardens for Closing the Global Carbon Cycle. the Biochar Journal S. 48 - 61.

Hagemann N., Kammann C.I., Schmidt H.P., Kappler A., Behrens S. (2017): Nitrate capture and slow release in biochar amended compost and soil. PLoS ONE 12 (2) DOI: 10.1371/journal.pone.0171214

Hagemann N., Joseph S., Schmidt H.P., Kammann C., Harter J., Borch T., Young R.B., Varga K., Taherymoosavi S., Elliott K.W., McKenna A., Albu M., Mayrhofer C., Obst M., Conte P., Dieguez-Alonso A., Orsetti S., Subdiaga E., Behrens S., Kappler A. (2017): Organic coating on biochar explains its nutrient retention and stimulation of soil fertility. Nature Communications 8 DOI: 10.1038/s41467-017-01123-0

Obermeier W.A., Lehnert L.W., Kammann C.I., Muller C., Grunhage L., Luterbacher J., Erbs M., Moser G., Seibert R., Yuan N., Bendix J. (2017): Reduced CO2 fertilization effect in temperate C3 grasslands under more extreme weather conditions. Nature Climate Change 7 S. 137 - 141. DOI: 10.1038/NCLIMATE3191

Brenzinger K., Kujala K., Horn M.A., Moser G., Guillet C., Kammann C., Müller C., Braker G. (2017): Soil Conditions Rather Than Long-Term Exposure to Elevated CO2 Affect Soil Microbial Communities Associated with N-Cycling. Frontiers in Microbiology 8 DOI: 10.3389/fmicb.2017.01976

Kammann C., Ratering S., Görres C.-M., Guillet C., Müller C. (2017): Stimulation of methane oxidation by CH4-emitting rose chafer larvae in well-aerated grassland soil. Biology and Fertility of Soils 53 (5) S. 491 - 499. DOI: 10.1007/s00374-017-1199-8

Kern J., Tammeorg P., Shanskiy M., Sakrabani R., Knicker H., Kammann C., Tuhkanen EM., Smidt G., Prasad M., Tiilikkala K., Sohi S., Gasco G., Steiner C., Glaser B. (2017): Synergistic use of peat and charred material in growing media – an option to reduce the pressure on peatlands?. Journal of Environmental Engineering and Landscape Management 25 (2) S. 160 - 174. DOI: 10.3846/16486897.2017.1284665

Frenkel O., Jaiswal A.K., Elad Y., Lew B., Kammann C., Graber E.R. (2017): The effect of biochar on plant diseases: what should we learn while designing biochar substrates?. Journal of Environmental Engineering and Landscape Management 25 (2) S. 105 - 113. DOI: 10.3846/16486897.2017.1307202

Görres C.-M., Kammann C.I., Ceulemans R. (2016): Automation of soil flux chamber measurements: potentials and pitfalls. Biogeosciences 13 (6) S. 1949 - 1966. DOI: 10.5194/bg-13-1949-2016

Jeffery S., Verheijen F.G.A., Kammann C., Abalos D. (2016): Biochar effects on methane emissions from soils: A meta-analysis. Soil Biology and Biochemistry 101 S. 251 - 258. DOI: 10.1016/j.soilbio.2016.07.021

Bouqbis L., Daoud S., Koyro H.-W., Kammann C.I., AinlhoutL.F.Z., Harrouni M.C. (2016): Biochar from Argan shells: production and characterization. International Journal Of Recycling of Organic Waste in Agriculture 5 (4) S. 361 - 365. DOI: 10.1007/s40093-016-0146-2

Klostermann H., Kammann C., Zinkernagel J., Kahlen K. (2016): Climate change impact research for vegetable crops - Veggie - FACE. S. 59

Kammann C.I., Glaser B., Schmidt H.-P. (2016): Combining Biochar and Organic Amendments. 978-0-415-71166-1

O'Toole A., Andersson D., Gerlach A., Glaser B., Kammann C.I., Kern J., Kuoppamäki K., Mumme J., Schmidt H.-P., Schulze M., Srocke F., Stenrod M., Stenström J. (2016): Current and future applications for biochar. 978-0-415-71166-1

Quicker P., Kammann C., Sager C., Weber K. (2016): Einführung. 978-3-658-03688-1

Klostermann H., Kammann C., Kahlen K. (2016): Predictability of field vegetable response to elevated CO2. S. 58 - 58.

Lenhart K., Kammann C.I., Boeckx P., Six J., Müller C. (2016): Quantification of ecosystem C dynamics in a long-term FACE study on permanent grassland. Rapid Communications in Mass Spectrometry 30 (7) S. 963 - 972. DOI: 10.1002/rcm.7515

Haider G., Steffens D., Müller C., Kammann C.I. (2016): Standard Extraction Methods May Underestimate Nitrate Stocks Captured by Field-Aged Biochar. Journal of Environmental Quality 45 (4) S. 1196 - 1204. DOI: 10.2134/jeq2015.10.0529

Weber K., Eichenauer S., Stadlbauer E., Schulten M.-A., Echterhof T., Kammann C., Schmidt H.-P., Gerlach A., Gerlach, H. (2016): Verwendung von Biomasse-Karbonisaten. 978-3-658-03688-1

Steiner C., Sánchez-Monedero M.A., Kammann C. (2015): Biochar as an additive to compost and growing media. 978-0-415-70415-1

Haider G., Koyro H.-W., Azam F., Steffens D., Müller C., Kammann C. (2015): Biochar but not humic acid product amendment affected maize yields via improving plant-soil moisture relations. Plant and Soil 395 (1-2) S. 141 - 157. DOI: 10.1007/s11104-014-2294-3

van Zwieten L., Kammann C., Cayuela M., Singh B.P., Joseph S., Kimber S., Donne S., Clough T., Spokas K. (2015): Biochar effects on nitrous oxide and methane emissions from soil. 978-0-415-70415-1

Kammann C., Graber E. (2015): Biochar effects on plant ecophysiology. 978-0-415-70415-1

Haworth M., Moser G., Raschi A., Kammann C.I., Grünhage L., Müller C. (2015): Carbon dioxide fertilisation and supressed respiration induce enhanced spring biomass production in a mixed species temperate meadow exposed to moderate carbon dioxide enrichment. Functional Plant Biology 43 (1) S. 26 - 39. DOI: 10.1071/FP15232

Schimmelpfennig S., Kammann C., Moser G., Grünhage L., Müller C. (2015): Changes in macro- and micronutrient contents of grasses and forbs following Miscanthus x giganteus feedstock, hydrochar and biochar application to temperate grassland. Grass and Forage Science 70 (4) S. 582 - 599. DOI: 10.1111/gfs.12158

Feng Z., Rütting T., Pleijel H., Wallin G., Reich P.B., Kammann C., Newton P.C.D., Kobayashi K., Luo Y., Uddling J. (2015): Constraints to nitrogen acquisition of terrestrial plants under elevated CO2. Global Change Biology 21 (8) S. 3152 - 3168. DOI: 10.1111/gcb.12938

Subedi R., Kammann C., Pelissetti S., Taupe N., Bertora C., Monaco S., Grignani C. (2015): Does soil amended with biochar and hydrochar reduce ammonia emissions following the application of pig slurry?. European Journal of Soil Science 66 (6) S. 1044 - 1053. DOI: 10.1111/ejss.12302

Karbin S., Guillet C.I., Kammann C., Niklaus P. (2015): Effects of long-term CO2 enrichment on soil-atmosphere CH4 fluxes and the spatial micro-distribution of methanotrophic bacteria. PLoS ONE 10 (7) DOI: 10.1371/journal.pone.0131665

Guillet C., Kammann C., Andresen L.C., Karbin S., Niklaus P.A., Müller C. (2015): Episodic high CH4 emission events can damage the potential of soils to act as CH4 sink: evidence from 17 years of CO2 enrichment in a temperate grassland ecosystem. Elsevier S. 208 - 209. DOI: 10.1016/j.proenv.2015.07.265

Schmidt H.P., Pandit B.H., Martinsen V., Cornelissen G., Conte P., Kammann C.I. (2015): Fourfold increase in pumpkin yield in response to low-dosage root zone application of urine-enhanced biochar to a fertile tropical soil. Agriculture 5 (3) S. 723 - 741. DOI: 10.3390/agriculture5030723

Rex D., Schimmelpfennig S., Jansen-Willems A., Moser G., Kammann C.I., Müller C. (2015): Microbial community shifts 2.6 years after top dressing of Miscanthus biochar, hydrochar and feedstock on a temperate grassland site. Plant and Soil 397 (1-2) S. 261 - 271. DOI: 10.1007/s11104-015-2618-y

Kammann C.I., Schmidt H.-P., Messerschmidt N., Linsel S., Steffens D., Müller C., Koyro H.-W., Conte P., Joseph S. (2015): Plant growth improvement mediated by nitrate capture in co-composted biochar. Scientific Reports 5 DOI: 10.1038/srep11080

Keidel L., Kammann C., Grünhage L., Moser G., Müller C. (2015): Positive feedback of elevated CO2 on soil respiration in late autumn and winter. Biogeosciences 12 (4) S. 1257 - 1269. DOI: 10.5194/bg-12-1257-2015

Andresen L.C., Yuan N., Luterbacher J., Moser G., Müller C., Grunhage L., Kammann C. (2015): Responses of a grassland ecosystem to 17 years of free-air CO2 enrichment. Elsevier S. 158 - 159. DOI: 10.1016/j.proenv.2015.07.238

Schmidt H.-P., Kammann C., Niggli C., Evangelou M.W.H., Mackie K., Abiven S. (2014): Biochar and biochar-compost as soil amendments to a vineyard soil: Influences on plant growth, nutrient uptake, plant health and grape quality. Agriculture, Ecosystems and Environment 191 S. 39 - 52. DOI: 10.1016/j.agee.2014.04.001

Schimmelpfennig S., Müller C., Grünhage L., Koch C., Kammann C. (2014): Biochar, hydrochar and uncarbonized feedstock application to permanent grassland - effects on greenhouse gas emissions and plant growth. Agriculture, Ecosystems and Environment 191 S. 39 - 52. DOI: 10.1016/j.agee.2014.03.027

Bamminger C., Zaiser N., Zinsser P., Lamers M., Kammann C., Marhan S. (2014): Effects of biochar, earthworms, and litter addition on soil microbial activity and abundance in a temperate agricultural soil. Biology and Fertility of Soils 50 (8) S. 1189 - 1200. DOI: 10.1007/s00374-014-0968-x

Clough T.J., Condron L.M., Kammann C., Müller C. (2013): A Review of Biochar and Soil Nitrogen Dynamics. Agronomy 3 (2) S. 275 - 293. DOI: 10.3390/agronomy3020275

Bai M., Wilske B., Buegger F., Esperschütz J., Kammann C., Eckhard C., Koestler M., Kraft P., Bach M., Frede H.-G., Breuer L. (2013): Degradation kinetics of biochar from pyrolysis and hydrothermal carbonization in temperate soils. Plant and Soil 372 (1-2) S. 375 - 387. DOI: 10.1007/s11104-013-1745-6

Cao X., Ro K.S., Libra J. A., Kammann C., Lima I., Berge N., Li L., Li Y., Chen N., Yang J., Deng B., Mao J. (2013): Effects of Biomass Types and Carbonization Conditions on the Chemical Characteristics of Hydrochars. Journal of Agricultural and Food Chemistry 61 (39) S. 9401 - 9411. DOI: 10.1021/jf402345k

Berge N.D., Kammann C., Ro K., Libra J. (2013): Environmental Applications of Hydrothermal Carbonization Technology: Biochar Production, Carbon Sequestration, and Waste Conversion. 978-1-11-997539-7

Busch D., Stark A., Kammann C., Glaser B. (2013): Genotoxic and phytotoxic risk assessment of fresh and treated hydrochar from hydrothermal carbonization compared to biochar from pyrolysis. Ecotoxicology and Environmental Safety 97 S. 59 - 66. DOI: 10.1016/j.ecoenv.2013.07.003

Kammann C. (2013): Moving forward from 'biochar revolution' to 'biochar evolution': Shaping a promising mitigation tool demands future research efforts. Agricultural and Food Science 22 (4) S. 371 - 372. DOI: 10.23986/afsci.9328

Kammann C., Ratering S., Eckhard C., Müller C. (2012): Biochar and Hydrochar Effects on Greenhouse Gas (Carbon Dioxide, Nitrous Oxide, and Methane) Fluxes from Soils. Journal of Environmental Quality 41 (4) S. 1052 - 1066. DOI: 10.2134/jeq2011.0132

Buss W., Kammann C., Koyro H.-W. (2012): Biochar Reduces Copper Toxicity in Chenopodium quinoa Willd. in a Sandy Soil. Journal of Environmental Quality 41 (4) S. 1157 - 1165. DOI: 10.2134/jeq2011.0022

Angel R., Kammann C., Claus P., Conrad R. (2012): Effect of long-term free-air CO2 enrichment on the diversity and activity of soil methanogens in a periodically waterlogged grassland. Soil Biology and Biochemistry 51 S. 96 - 103. DOI: 10.1016/j.soilbio.2012.04.010

Lenhart K., Bunge M., Ratering S., Neu T.R., Schüttmann I., Greule M., Kammann C., Schnell S., Müller C., Zorn H., Keppler F. (2012): Evidence for methane production by saprotrophic fungi. Nature Communications 3 DOI: 10.1038/ncomms2049

Augustenborg C.A., Hepp S., Kammann C., Hagan D., Schmidt O., Müller C. (2012): Impact of biochar on soil N2O and CO2 emissions in the presence of earthworms. Journal of Environmental Quality 41 (4) S. 1203 - 1209. DOI: 10.2134/jeq2011.0119

Shrestha P.M., Kammann C., Lenhart K., Dam B., Liesack W. (2012): Linking activity, composition and seasonal dynamics of atmospheric methane oxidizers in a meadow soil. ISME Journal 6 S. 1115 - 1126. DOI: 10.1038/ismej.2011.179

Busch D., Kammann C., Grünhage L., Müller C. (2012): Simple Biotoxicity Tests for Evaluation of Carbonaceous Soil Additives: Establishment and Reproducibility of Four Test Procedures. Journal of Environmental Quality 41 (4) S. 1023 - 1032. DOI: 10.2134/jeq2011.0122

Regan K., Kammann C., Hartung K., Lenhart K., Müller C., Philippot L., Kandeler E., Marhan S. (2011): Can differences in microbial abundances help explain enhanced N2O emissions in a permanent grassland under elevated atmospheric CO2?. Global Change Biology 17 (10) S. 3176 - 3186. DOI: 10.1111/j.1365-2486.2011.02470.x

Willems A.B., Augustenborg C.A., Hepp S., Lanigan G.J., Hochstrasser T., Kammann C. (2011): Carbon dioxide emissions from spring ploughing of grassland in Ireland. Agriculture, Ecosystems and Environment 144 (1) S. 347 - 351. DOI: 10.1016/j.agee.2011.10.001

Libra J.A., Ro K.S., Kammann C., Funke A., Berge N.D., Neubauer Y., Titirici M.-M., Fühner C., Bens O., Kern J., Emmerich K.-H. (2011): Hydrothermal carbonization of biomass residuals: A comparative review of the chemistry, processes and applications of wet and dry pyrolysis. Biofuels 2 (1) S. 71 - 106. DOI: 10.4155/bfs.10.81

Kammann C., Linsel S., Gößling J.W., Koyro H.-W. (2011): Influence of biochar on drought tolerance of Chenopodium quinoa Willd and on soil-plant relations. Plant and Soil 345 (1-2) S. 195 - 210. DOI: 10.1007/s11104-011-0771-5

Müller C., Rütting T., Abbasi M.K., Laughlin R., Kammann C., Clough T.J., Sherlock R.R., Kattge J., Jäger H.-J., Watson C.J., Stevens R.J. (2009): Effect of elevated CO2 on soil N dynamics in a temperate grassland soil. Soil Biology and Biochemistry 41 (9) S. 1996 - 2001. DOI: 10.1016/j.soilbio.2009.07.003

Kammann C., Hepp S., Lenhart K., Müller C. (2009): Stimulation of methane consumption by endogenous CH4 production in aerobic grassland soil. Soil Biology and Biochemistry 41 (3) S. 622 - 629. DOI: 10.1016/j.soilbio.2008.12.025

Kammann C., Müller C., Grünhage L., Jäger H.-J. (2008): Elevated CO2 stimulates N2O emissions in permanent grassland. Soil Biology and Biochemistry 40 (9) S. 2194 - 2205. DOI: 10.1016/j.soilbio.2008.04.012

Rogers A., Ainsworth E.A., Kammann C. (2006): FACE Value: Perspectives on the Future of Free-Air CO2 Enrichment Studies. 978-3-540-31236-9

Grueters U., Janze S., Kammann C., Jaeger H.J. (2006): Plant functional types and elevated CO2: A method of scanning for causes of community alteration. Journal of Applied Botany 80 (2) S. 116 - 128.

Kolb S., Carbrera A., Kammann C., Kämpfer P., Conrad R., Jäckel U. (2005): Quantitative impact of CO2 enriched atmosphere on abundances of methanotrophic bacteria in a meadow soil. Biology and Fertility of Soils 41 (5) S. 337 - 342. DOI: 10.1007/s00374-005-0842-y

Kammann C., Grünhage L., Grüters U., Janze S., Jäger H.-J. (2005): Response of aboveground grassland biomass and soil moisture to moderate long-term CO2 enrichment. Basic and Applied Ecology 6 (4) S. 351 - 365. DOI: 10.1016/j.baae.2005.01.011

Müller C., Abbasi M., Kammann C., Clough T., Sherlock R., Stevens R., Jäger H.-J. (2004): Soil respiratory quotient determined via barometric process separation combined with nitrogen-15 labelling. Soil Science Society of America Journal 68 S. 1610 - 1615.

Müller C., Kammann C., Ottow J.C.G., Jäger H.-J. (2003): Nitrous oxide emission from frozen grassland soil and during thawing periods. Journal of Plant Nutrition and Soil Science 166 (1) S. 46 - 53. DOI: 10.1002/jpln.200390011

Jäger H.-J., Schmidt S.W., Kammann C., Grünhage L., Müller C., Hanewald K. (2003): The University of Giessen Free-Air Carbon Dioxide Enrichment Study: Description of the experimental site and of a new enrichment system. Journal of Applied Botany 77 S. 117 - 127.

Horz H-P., Raghubanshi A.S., Heyer J., Kammann C., Conrad R., Dunfield P. (2002): Activity and community structure of methane-oxidising bacteria in a wet meadow soil. FEMS Microbiology Ecology 41 (3) S. 247 - 257. DOI: 10.1111/j.1574-6941.2002.tb00986.x

Müller C., Martin M., Stevens R.J., Laughlin R.J., Kammann C., Ottow J.C.G., Jäger H.-J. (2002): Processes leading to N2O emissions in grassland soil during freezing and thawing. Soil Biology and Biochemistry 34 (9) S. 1325 - 1331. DOI: 10.1016/S0038-0717(02)00076-7

Kammann C., Grünhage L., Jäger H.-J. (2001): A new sampling technique to monitor concentrations of CH4, N2O and CO2 in air at well-defined depths in soils with varied water potential. European Journal of Soil Science 52 (2) S. 297 - 303. DOI: 10.1046/j.1365-2389.2001.00380.x

Kammann C., Grünhage L., Jäger H.-J., Wachinger G. (2001): Methane fluxes from differentially managed grassland study plots: the important role of CH4 oxidation in grassland with a high potential for CH4 production. Environmental pollution 115 (2) S. 261 - 273. DOI: 10.1016/S0269-7491(01)00103-8

Kammann C., Grünhage L., Müller C., Jacobi S., Jäger H.-J. (1998): Seasonal variability and mitigation options for N2O emissions from differently managed grasslands. Environmental pollution 102 S1 S. 179 - 186. DOI: 10.1016/S0269-7491(98)80031-6