Per Lennart Ambus

Per Lennart Ambus

Professor


  1. In situ 13CO2 pulse-labeling in a temperate heathland - development of a mobile multi-plot field setup

    Reinsch, S. & Ambus, Per Lennart, 15 Jul 2013, In: Rapid Communications in Mass Spectrometry. 27, 13, p. 1417-1428 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. A decade of free-air CO2 enrichment increased the carbon throughput in a grass-clover ecosystem but did not drastically change carbon allocation patterns

    Staddon, P. L., Reinsch, S., Olsson, P. A., Ambus, Per Lennart, Luescher, A. & Jakobsen, I., 1 Apr 2014, In: Functional Ecology. 28, 2, SI, p. 538-545 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models

    Morel, X., Hansen, Birger, Delire, C., Ambus, Per Lennart, Mastepanov, M. & Decharme, B., 2020, In: Earth System Science Data. 12, 4, p. 2365-2380 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    A review of the importance of mineral nitrogen cycling in the plant-soil-microbe system of permafrost-affected soils—changing the paradigm

    Ramm, E., Liu, C., Ambus, Per Lennart, Butterbach-bahl, K., Hu, B., Martikainen, P. J., Marushchak, M. E., Mueller, Carsten W., Rennenberg, H., Schloter, M., Siljanen, H. M. P., Voigt, C., Werner, C., Biasi, C. & Dannenmann, M., 1 Jan 2022, In: Environmental Research Letters. 17, 1, 34 p., 013004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Accumulation of soil carbon under elevated CO2 unaffected by warming and drought

    Dietzen, Christiana Amalie, Larsen, Klaus Steenberg, Ambus, Per Lennart, Arndal, M. F., Beier, Claus, Reinsch, S. & Schmidt, Inger Kappel, 2019, In: Geophysical Research Abstracts. 21, 1 p., EGU2019-5220.

    Research output: Contribution to journalConference abstract in journalResearch

  6. Published

    Accumulation of soil carbon under elevated CO2 unaffected by warming and drought

    Dietzen, Christiana Amalie, Larsen, Klaus Steenberg, Ambus, Per Lennart, Michelsen, Anders, Arndal, M. F., Beier, Claus, Reinsch, S. & Schmidt, Inger Kappel, 2019, In: Global Change Biology. 25, 9, p. 2970-2977 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Activity of Type I Methanotrophs Dominates under High Methane Concentration: Methanotrophic Activity in Slurry Surface Crusts as Influenced by Methane, Oxygen, and Inorganic Nitrogen

    Duan, Y., Reinsch, S., Ambus, Per Lennart, Elsgaard, L. & Petersen, S. O., 2017, In: Journal of Environmental Quality. 46, 4, p. 767-775 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Analysis of narwhal tusks reveals lifelong feeding ecology and mercury exposure

    Dietz, R., Desforges, J., Rigét, F. F., Aubail, A., Garde, E., Ambus, Per Lennart, Drimmie, R., Heide-Jørgensen, M. P. & Sonne, C., 2021, In: Current Biology. 31, 9, p. 2012-2019.e2 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Annual maize and perennial grass-clover strip cropping for increased resource use efficiency and productivity using organic farming practice as a model

    Hauggaard-Nielsen, H., Johansen, A., Carter, M. S., Ambus, Per Lennart & Jensen, E. S., 1 May 2013, In: European Journal of Agronomy. 47, p. 55-64 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Application of biochar to soil and N2O emissions: Potential effects of blending fast-pyrolysis biochar with anaerobically digested slurry

    Bruun, E. W., Müller-Stöver, Dorette Sophie, Ambus, Per Lennart & Hauggaard-Nielsen, H., Aug 2011, In: European Journal of Soil Science. 62, 4, p. 581-589 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Application of the DNDC model to predict emissions of N2O from Irish agriculture

    Abdalla, M., Wattenbach, M., Smith, P., Ambus, Per Lennart, Jones, M. & Williams, M., 15 Jul 2009, In: Geoderma. 151, 3-4, p. 327-337 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Assessing the use of delta δ13C natural abundance in separation of root and microbial respiration in a Danish beech (Fagus sylvatica L.) forest

    Formanek, P. & Ambus, Per Lennart, 2004, In: Rapid Communications in Mass Spectrometry. 18, 8, p. 897-902 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Assessment of CH4 and N2O fluxes in a Danish beech (Fagus sylvatica) forest and an adjacent N-fertilised barley (Hordeum vulgare) field: effects of sewage sludge amendments

    Ambus, Per Lennart, Jensen, J. M., Priemé, Anders, Pilegaard, K. & Kjøller, A., 2001, In: Nutrient Cycling in Agroecosystems. 60, 1-3, p. 15-21 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Atmospheric composition change: ecosystems-atmosphere interactions

    Fowler, D., Pilegaard, K., Sutton, M. A., Ambus, P. L., Raivonen, M., Duyzer, J., Simpson, D., Fagerli, H., Fuzzi, S., Schjørring, J. K., Granier, C., Neftel, A., Isaksen, I. S. A., Laj, P., Maione, M., Monks, P. S., Burkhardt, J., Daemmgen, U., Neirynck, J., Personne, E. & 37 others, Wichink-Kruit, R., Butterbach-Bahl, K., Flechard, C., Tuovinen, J. P., Coyle, M., Gerosa, G., Loubet, B., Altimir, N., Gruenhage, L., Ammann, C., Cieslik, S., Paoletti, E., Mikkelsen, T. N., Ro-Poulsen, Helge, Cellier, P., Cape, J. N., Horvath, L., Loreto, F., Niinemets, Ü., Palmer, P. I., Rinne, J., Misztal, P., Nemitz, E., Nilsson, D., Pryor, S., Gallagher, M. W., Vesala, T., Skiba, U., Brüggemann, N., Zechmeister-Boltenstern, S., Williams, J., O'Dowd, C., Facchini, M. C., de Leeuw, G., Flossman, A., Chaumerliac, N. & Erisman, J. W., 2009, In: Atmospheric Environment. 43, 33, p. 5193-5267 75 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Automated near-continuous measurement of carbon dioxide and nitrous oxide fluxes from soil

    Ambus, Per Lennart & Robertson, G., 1 Mar 1998, In: Soil Science Society of America Journal. 62, 2, p. 394-400 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Bacteria and fungi respond differently to multifactorial climate change in a temperate heathland, traced with 13C-Glycine and FACE CO2

    Andresen, L. C., Dungait, J. A. J., Bol, R., Selsted, M. B., Ambus, Per Lennart & Michelsen, Anders, 2014, In: P L o S One. 9, 1, 9 p., e85070.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Belowground heathland responses after 2 years of combined warming, elevated CO2 and summer drought

    Andresen, L. C., Michelsen, Anders, Ambus, Per Lennart & Beier, Claus, 2010, In: Biogeochemistry. 101, 1-3, p. 27-42 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Biochar application as a tool to decrease soil nitrogen losses (NH3 volatilization, N2O emissions, and N leaching) from croplands: Options and mitigation strength in a global perspective

    Liu, Q., Liu, B., Zhang, Y., Hu, T., Lin, Z., Liu, G., Wang, X., Ma, J., Wang, H., Jin, H., Ambus, Per Lennart, Amonette, J. E. & Xie, Z., 2019, In: Global Change Biology. 25, 6, p. 2077-2093 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Biodegradation of chlorinated solvents in a water unsaturated topsoil

    Borch, T., Ambus, Per Lennart, Laturnus, F., Svensmark, Bo & Grøn, C., 2003, In: Chemosphere. 51, p. 143-152

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Biological 12C-13C fractionation increases with increasing community-complexity in soil microcosms

    Yang, W., Magid, Jakob, Christensen, Søren, Rønn, Regin, Ambus, Per Lennart & Ekelund, Flemming, 2014, In: Soil Biology & Biochemistry. 69, p. 197-201 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Biologically fixed N2 as a source for N2O production in a grass-clover mixture, measured by 15N2

    Carter, M. & Ambus, Per Lennart, 1 Jan 2006, In: Nutrient Cycling in Agroecosystems. 74, 1, p. 13-26 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Biomass production, symbiotic nitrogen fixation and inorganic N use in dual and tri-component annual intercrops

    Andersen, M., Hauggaard-Nielsen, H., Ambus, Per Lennart & Jensen, E., 1 Oct 2004, In: Plant and Soil. 266, 1-2, p. 273-287 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Biosphere-atmosphere exchange of reactive nitrogen and greenhouse gases at the NitroEurope core flux measurement sites: Measurement strategy and first data sets

    Skiba, U., Drewer, J., Tang, Y. S., van Dijk, N., Helfter, C., Nemitz, E., Famulari, D., Cape, J. N., Jones, S. K., Twigg, M., Pihlatie, M., Vesala, T., Larsen, K. S., Carter, M. S., Ambus, P., Ibrom, A., Beier, C., Hensen, A., Frumau, A., Erisman, J. W. & 25 others, Brueggemann, N., Gasche, R., Butterbach-Bahl, K., Neftel, A., Spirig, C., Horvath, L., Freibauer, A., Cellier, P., Laville, P., Loubet, B., Magliulo, E., Bertolini, T., Seufert, G., Andersson, M., Manca, G., Laurila, T., Aurela, M., Lohila, A., Zechmeister-Boltenstern, S., Kitzler, B., Schaufler, G., Siemens, J., Kindler, R., Flechard, C. & Sutton, M. A., 2009, In: Applied Soil Ecology. 133, 3-4, p. 139-149

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    CLIMAITE - CLIMAte change effects on biological processes In Terrestrial Ecosystems

    Beier, C., Mikkelsen, T. N., Ambus, Per Lennart, Pilegaard, K., Jonasson, S., Michelsen, A., Poulsen, H. R., Christensen, S., Primé, A., Schmidt, Inger Kappel, Gundersen, Per & Holmstrup, M., 2006. 1 p.

    Research output: Contribution to conferencePosterResearch

  25. Published

    CLIMAITE - a three factor climate change ecosystem manipulation experiment: Geophysical Research Abstracts, Vol. 10, EGU2008-A-07931, 2008. SRef-ID: 1607-7962/gra/EGU2008-A-07931. EGU General Assembly 13-18 April 2008 in Vienna, Switzerland

    N. Mikkelsen, T., Beier, C., Jonasson, S. E., Holmstrup, M., Schmidt, I. K., Ambus, P. L., Pilegaard, K., Michelsen, A., Albert, K., Andresen, L. C., Arndal, M. F., Bruun, N., Christensen, S., Danbæk, S., Gundersen, P., Jørgensen, P., J. Linden, L., Pedersen, J. K., Maraldo, K., Priemé, A. & 11 others, Riis-Nielsen, T., Ro-Poulsen, Helge, Andersen, K. S., Selsted, M., Sørensen, P., S. Larsen, K., S. Carter, M., Ibrom, A., Martinussen, Torben, Miglietta, F. & Sverdrup, H., 2008.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  26. Published

    CLIMAITE – CLIMAe change effects on biological processes in terrestrial ecosystems

    Schmidt, Inger Kappel, Beier, C., Mikkelsen, T. N., Ambus, Per Lennart, Pilegaard, K., Johansson, S., Michelsen, A., Poulsen, H. R., Christensen, S., Primé, A., Gundersen, Per & Holmstrup, M., 2005. 1 p.

    Research output: Contribution to conferencePosterResearch

  27. Published

    Can current moisture responses predict soil CO2 efflux under altered precipitation regimes? A synthesis of manipulation experiments

    Vicca, S., Bahn, M., Estiarte, M., van Loon, E. E., Vargas, R., Alberti, G., Ambus, P. L., Arain, A. M., Beier, C., Bentley, L. P., Borken, W., Buchmann, N., Collins, S. L., de Dato, G., Dukes, J. S., Escolar, C., Fay, P., Guidolotti, G., Hanson, P. J., Kahmen, A. & 28 others, Kröel-Dulay, G., Ladreiter-Knauss, T., Larsen, Klaus Steenberg, Lellei-Kovacs, E., Lebrija-Trejos, E., Maestre, F. T., Marhan, S., Marshall, M., Meir, P., Miao, Y., Muhr, J., Niklaus, P. A., Ogaya, R., Penuelas, J., Poll, C., Rustad, L. E., Savage, K., Schindlbacher, A., Schmidt, Inger Kappel, Smith, A. R., Sotta, E. D., Suseela, V., Tietema, A., van Gestel, N., van Straaten, O., Wan, S., Weber, U. & Janssens, I. A., 2014, In: Biogeosciences. 11, p. 2991-3013 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Carbon footprint of rice production under biochar amendment - a case study in a Chinese rice cropping system

    Liu, Q., Liu, B., Ambus, Per Lennart, Zhang, Y., Hansen, V., Lin, Z., Shen, D., Liu, G., Bei, Q., Zhu, J., Wang, X., Ma, J., Lin, X., Yu, Y., Zhu, C. & Xie, Z., 1 Jan 2016, In: Global Change Biology. Bioenergy. 8, 1, p. 148-159 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Challenges in measuring nitrogen isotope signatures in inorganic nitrogen forms: An interlaboratory comparison of three common measurement approaches

    Biasi, C., Jokinen, S., Prommer, J., Ambus, Per Lennart, Dörsch, P., Yu, L., Granger, S., Boeckx, P., Van Nieuland, K., Brueggemann, N., Wissel, H., Voropaev, A., Zilberman, T., Jaentti, H., Trubnikova, T., Welti, N., Voigt, C., Gebus-Czupyt, B., Czupyt, Z. & Wanek, W., 2022, In: Rapid Communications in Mass Spectrometry. 36, 22, 16 p., 9370.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Climaite: a biological time machine

    Beier, C., Mikkelsen, T. N., Ambus, Per Lennart, Pilegaard, K., Jonasson, S., Michelsen, A., Poulsen, H. R., Christensen, S., Primé, A., Schmidt, Inger Kappel, Gundersen, Per & Holmstrup, M., 2005. 1 p.

    Research output: Contribution to conferencePosterResearch

  31. Published

    Climaite - a three factor climate change ecosystem manipulation study: set up and approaches for data analysis

    N. Mikkelsen, T., Beier, C., Schmidt, Inger Kappel, Michelsen, Anders, Albert, K., Ambus, Per Lennart & Andersen, K. S., 2006.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  32. Published

    Climate factors increase glycine use by gram positive bacteria

    Andresen, L. C., Bol, R., Dungait, J., Ambus, Per Lennart & Michelsen, Anders, 2011.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  33. Collembola feeding habits and niche specialization in agricultural grasslands of different composition

    Sechi, V., D'Annibale, A., Ambus, Per Lennart, Sarossy, Z., Krogh, P. H., Eriksen, J. & Holmstrup, M., 1 Jul 2014, In: Soil Biology & Biochemistry. 74, p. 31-38 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Combined climate factors alleviate changes in gross soil nitrogen dynamics in heathlands

    Bjorsne, A., Rutting, T. & Ambus, Per Lennart, 1 Aug 2014, In: Biogeochemistry. 120, 1-3, p. 191-201 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Combined effects of drought, temperature and CO2 on GHG emissions from temperate shrub-land

    Ambus, Per Lennart, Priemé, Anders, S. Carter, M., Albert, K., S. Larsen, K., Andersson, M. & Beier, C., 2007.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  36. Published

    Combined effects of glacial retreat and penguin activity on soil greenhouse gas fluxes on South Georgia, sub-Antarctica

    Wang, P., D'Imperio, Ludovica, Biersma, Elisabeth M., Ranniku, R., Xu, W., Tian, Q., Ambus, Per Lennart & Elberling, Bo, 2020, In: The Science of the Total Environment. 718, 135255.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Combining a Quantum Cascade Laser Spectrometer with an Automated Closed-Chamber System for delta δ13 Measurements of Forest Soil, Tree Stem and Tree Root CO2 Fluxes

    Brændholt, A., Ibrom, A., Ambus, Per Lennart, Larsen, Klaus Steenberg & Pilegaard, K., 2019, In: Forests. 10, 5

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Common arbuscular mycorrhizal networks amplify competition for phosphorus between seedlings and established plants

    Merrild, M., Ambus, Per Lennart, Rosendahl, Søren & Jakobsen, I., 2013, In: New Phytologist. 200, 1, p. 229-240 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Comparison of Denitrification in Two Riparian Soils

    Ambus, Per Lennart & Lowrance, R., 1 Jul 1991, In: Soil Science Society of America Journal. 55, 4, p. 994-997 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Consequences of field N2O emissions for the environmental sustainability of plant-based biofuels produced within an organic farming system

    Carter, M. S., Hauggaard-Nielsen, H., Heiske, S., Jensen, M., Thomsen, Sune Tjalfe, Schmidt, J. E., Johansen, A. & Ambus, Per Lennart, 1 Jul 2012, In: Global Change Biology. Bioenergy. 4, 4, SI, p. 435-452 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Context-dependent tree species effects on soil nitrogen transformations and related microbial functional genes

    Ribbons, R. R., Kepfer Rojas, Sebastian, Kosawang, Chatchai, Hansen, Ole Kim, Ambus, Per Lennart, McDonald, M., Grayston, S. J., Prescott, C. E. & Vesterdal, Lars, 1 Sep 2018, In: Biogeochemistry. 140, 2, p. 145-160 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Control of denitrification enzyme activity in a streamside soil

    Ambus, Per Lennart, 1 Apr 1993, In: F E M S Microbiology Reviews. 102, 3-4, p. 225-234 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Corrigendum to "Can current moisture responses predict soil CO2 efflux under altered precipitation regimes? A synthesis of manipulation experiments"

    Vicca, S., Bahn, M., Estiarte, M., van Loon, E., Vargas, R., Alberti, G., Ambus, P. L., Arft, A. M., Beier, C., Bentley, L. P., Borken, W., Buchmann, N., Collins, S. L., de Dato, G., Dukes, J. S., Escolar, C., Fay, P., Guidolotti, G., Hanson, P. J., Kahmen, A. & 28 others, Kroel-Dulay, G., Ladreiter-Knauss, T., Larsen, Klaus Steenberg, Lellei-Kovacs, E., Lebrija-Trejos, E., Maestre, F. T., Marhan, S., Marshall, M., Meir, P., Miao, Y., Muhr, J., Niklaus, P. A., Ogaya, R., Penuelas, J., Poll, C., Rustad, L. E., Savage, K., Schindlbacher, A., Schmidt, Inger Kappel, Smith, A. R., Sotta, E. D., Suseela, V., Tietema, A., van Gestel, N., van Straaten, O., Wan, S., Weber, U. & Janssens, I. A., 2014, In: Biogeosciences. 11, 12, p. 3307-3308 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  44. Published

    Corrigendum to "Productivity and carbon footprint of perennial grass-forage legume intercropping strategies with high or low nitrogen fertilizer input ": [Sci. Total Environ. 541 (January 2016) pages 1339–1347]

    Hauggaard-Nielsen, H., Lachouani, P., Knudsen, M. T., Ambus, Per Lennart, Boelt, B. & Gislum, R., 2016, In: Science of the Total Environment. 557-558, p. 917-918 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Cowpea N rhizodeposition and its below-ground transfer to a co- existing and to a subsequent millet crop on a sandy soil of the Sudano-Sahelian eco-zone

    Laberge, G., Haussmann, B. I. G., Ambus, Per Lennart & Hogh-Jensen, H., 1 Mar 2011, In: Plant and Soil. 340, 1-2, SI, p. 369-382 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Crop residue management strategies to reduce N-losses: Interaction with crop N supply

    Ambus, Per Lennart & Jensen, E., 2001, In: Communications in Soil Science and Plant Analysis. 32, 7-8, p. 981-996 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Decrease in heathland soil labile organic carbon under future atmospheric and climatic conditions

    Thaysen, E. M., Reinsch, S., Larsen, Klaus Steenberg & Ambus, Per Lennart, 2017, In: Biogeochemistry. 133, 1, p. 17-36 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Deepened snow enhances gross nitrogen cycling among Pan-Arctic tundra soils during both winter and summer

    Xu, W., Priemé, Anders, Cooper, E. J., Mörsdorf, M. A., Semenchuk, P., Elberling, Bo, Grogan, P. & Ambus, Per Lennart, 1 Sep 2021, In: Soil Biology and Biochemistry. 160, 13 p., 108356.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Deepened snow in combination with summer warming increases growing season nitrous oxide emissions in dry tundra, but not in wet tundra

    Xu, W., Frendrup, L. L., Michelsen, Anders, Elberling, Bo & Ambus, Per Lennart, 2023, In: Soil Biology and Biochemistry. 180, 12 p., 109013.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Deepened winter snow significantly influences the availability and forms of nitrogen taken up by plants in High Arctic tundra

    Mörsdorf, M. A., Baggesen, N. S., Yoccoz, N. G., Michelsen, Anders, Elberling, Bo, Ambus, Per Lennart & Cooper, E. J., 2019, In: Soil Biology & Biochemistry. 135, p. 222-234 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Delayed nitrogen application after straw and charred straw addition altered the hot moment of soil N2O emissions

    Ye, X., Ran, H., Wang, X., Li, G., Ambus, Per Lennart, Wang, G. & Zhu, K., 2023, In: European Journal of Soil Science. 74, 1, 15 p., e13349.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Denitrification and N2O losses in a heath-land under changing climate conditions

    Ambus, Per Lennart, Priemé, Anders, S. Carter, M., Albert, K., S. Larsen, K., Andersson, M. & Beier, C., 2007.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  53. Published

    Denitrification variability and control in a riparian fen irrigated with agricultural drainage water

    Ambus, Per Lennart & Christensen, Søren, 1993, In: Soil Biology & Biochemistry. 25, 7, p. 915-923 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Development of an accumulation-based system for cost-effective chamber measurements of inert trace gas fluxes

    Ambus, Per Lennart, Skiba, U., Drewer, J., Jones, S. K., Carter, M. S., Albert, K. R. & Sutton, M. A., 1 Oct 2010, In: European Journal of Soil Science. 61, 5, p. 785-792 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Ecosystem Recovery after Drought Events in Our Future Climate

    Selsted, M. B., Albert, K., Ambus, Per Lennart, Michelsen, Anders, Ro-Poulsen, Helge, Mikkelsen, T. N. & Ibrom, A., 2009, In: Institute of Physics Conference Series.

    Research output: Contribution to journalConference abstract in journalResearch

  56. Published

    Ecosystem carbon balance under future climate conditions: The CLIMAITE project carbon synthesis.

    Linden, L., Beier, C., Mikkelsen, T. N., Holmstrup, M., Schmidt, Inger Kappel, Ambus, Per Lennart, Pilegaard, K., Albert, K., Andresen, L. C., Selsted, M. B., Larsen, K. S. & Ibrom, A., 2009, In: Institute of Physics Conference Series.

    Research output: Contribution to journalConference abstract in journalResearch

  57. Effects of climate and management intensity on nitrous oxide emissions in grassland systems across Europe

    Flechard, C. R., Ambus, P., Skiba, U., Rees, R. M., Hensen, A., van Amstel, A., van den Pol-van Dasselaar, A., Soussana, J-F., Jones, M., Clifton-Brown, J., Raschi, A., Horvath, L., Neftel, A., Jocher, M., Ammann, C., Leifeld, J., Fuhrer, J., Calanca, P., Thalman, E., Pilegaard, K. & 23 others, Di Marco, C., Campbell, C., Nemitz, E., Hargreaves, K. J., Levy, P. E., Ball, B. C., Jones, S. K., van de Bulk, W. C. M., Groot, T., Blom, M., Domingues, R., Kasper, G., Allard, V., Ceschia, E., Cellier, P., Laville, P., Henault, C., Bizouard, F., Abdalla, M., Williams, M., Baronti, S., Berretti, F. & Grosz, B., 1 Jun 2007, In: Applied Soil Ecology. 121, 1-2, p. 135-152 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Effects of clover density on N2O emissions and plant-soil N transfers in a fertilised upland pasture

    Klumpp, K., Bloor, J. M. G., Ambus, Per Lennart & Soussana, J., 1 Jun 2011, In: Plant and Soil. 343, 1-2, p. 97-107 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Effects of digestate from anaerobically digested cattle slurry and plant materials on soil microbial community and emission of CO2 and N2O

    Johansen, A., Carter, M. S., Jensen, E. S., Hauggard-Nielsen, H. & Ambus, Per Lennart, 1 Jan 2013, In: Agriculture, Ecosystems & Environment. 63, p. 36-44 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Effects of elevated atmospheric CO2, prolonged summer drought and temperature increase on N2O and CH4 fluxes in a temperate heathland

    Carter, M. S., Ambus, Per Lennart, Albert, K. R., Larsen, Klaus Steenberg, Andersson, M., Priemé, Anders, van der Linden, L. & Beier, Claus, 2011, In: Soil Biology & Biochemistry. 43, 8, p. 1660-1670 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. Published

    Effects of experimental fire in combination with climate warming on greenhouse gas fluxes in Arctic tundra soils

    Xu, W., Lambæk, A., Holm, S. S., Furbo-halken, A., Elberling, Bo & Ambus, Per Lennart, 1 Nov 2021, In: Science of the Total Environment. 795, 12 p., 148847.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

    Effects of fire on CO2, CH4, and N2O exchange in a well-drained Arctic heath ecosystem

    Hermesdorf, Lena, Elberling, Bo, D'Imperio, Ludovica, Xu, W., Lambæk, A. & Ambus, Per Lennart, 2022, In: Global Change Biology. 28, 16, p. 4882-4899

    Research output: Contribution to journalJournal articleResearchpeer-review

  63. Effects of green manure storage and incorporation methods on nitrogen release and N2O emissions after soil application

    Carter, M. S., Sorensen, P., Petersen, S. O., Ma, X. & Ambus, Per Lennart, 1 Nov 2014, In: Biology and Fertility of Soils. 50, 8, p. 1233-1246 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. Published

    Effects of lime and concrete waste on Vadose Zone carbon cycling

    Thaysen, E. M., Jessen, Søren, Postma, D., Jakobsen, R., Jacques, D., Ambus, Per Lennart, Laloy, E. & Jakobsen, I., Nov 2014, In: Vadose Zone Journal. 13, 11, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  65. Published

    Effects of long-term organic fertilizer substitutions on soil nitrous oxide emissions and nitrogen cycling gene abundance in a greenhouse vegetable field

    Xu, W., Zhao, D., Ma, Y., Yang, G., Ambus, Per Lennart, Liu, X. & Luo, J., 2023, In: Applied Soil Ecology. 188, 10 p., 104877.

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Effects of slow and fast pyrolysis biochar on soil C and N turnover dynamics

    Bruun, E. W., Ambus, Per Lennart, Egsgaard, H. & Hauggaard-Nielsen, H., 1 Mar 2012, In: Soil Biology & Biochemistry. 46, p. 73-79 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Effects of temperature, ultraviolet radiation and pectin methyl esterase on aerobic methane release from plant material

    Bruhn, D., Mikkelsen, T. N., Øbro, J., Willats, W. G. T. & Ambus, Per Lennart, 2009, In: Plant Biology. 11, 1, p. 43-48 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  68. Published

    Effects of two wood-based biochars on the fate of added fertilizer nitrogen—a 15N tracing study

    Kalu, S., Oyekoya, G. N., Ambus, Per Lennart, Tammeorg, P., Simojoki, A., Pihlatie, M. & Karhu, K., 2021, In: Biology and Fertility of Soils. 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  69. Emissions of nitrous oxide from Irish arable soils: effects of tillage and reduced N input

    Abdalla, M., Jones, M., Ambus, Per Lennart & Williams, M., 1 Jan 2010, In: Nutrient Cycling in Agroecosystems. 86, 1, p. 53-65 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types

    Chirinda, N., Carter, M. S., Albert, K. R., Ambus, Per Lennart, Olesen, J. E., Porter, John Roy & Petersen, S. O., 2010, In: Agriculture, Ecosystems & Environment. 136, 3-4, p. 199-208 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    Enhanced priming of old, not new soil carbon at elevated atmospheric CO2

    Vestergård, M., Reinsch, S., Bengtson, P., Ambus, Per Lennart & Christensen, Søren, 2016, In: Soil Biology & Biochemistry. 100, p. 140-148 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Enzymatic evidence for the key role of arginine in nitrogen translocation by arbuscular mycorrhizal fungi

    Cruz, C., Egsgaard, H., Trujillo, C., Ambus, Per Lennart, Requena, N., Martins-Loucao, M. A. & Jakobsen, I., 1 Jun 2007, In: Plant Physiology. 144, 2, p. 782-792 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  73. Evaluating effects of sewage sludge and household compost on soil physical, chemical and microbiological properties

    Debosz, K., Petersen, S., Kure, L. & Ambus, Per Lennart, 1 Mar 2002, In: Agriculture, Ecosystems & Environment. 19, 3, p. 237-248 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. Published

    Experimental design of multifactor climate change experiments with elevated CO2, warming and drought: the CLIMAITE project

    Mikkelsen, T. N., Beier, C., Jonasson, S. E., Holmstrup, M., Schmidt, I. K., Ambus, P. L., Pilegaard, K., Michelsen, A., Albert, K., Andresen, L. C., Arndal, M. F., Bruun, N., Christensen, S., Danbæk, S., Gundersen, P., Jørgensen, P., Linden, L., Nielsen, J. K., Maraldo, K., Priemé, A. & 11 others, Riis-Nielsen, Torben, Ro-Poulsen, Helge, Andersen, K. S., Selsted, M. B., Sørensen, P., Larsen, Klaus Steenberg, Carter, M. S., Ibrom, A., Martinussen, Torben, Miglietta, F. & Sverdrup, H., 2008, In: Functional Ecology. 22, 1, p. 185-195 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  75. Factors controlling regional differences in forest soil emission of nitrogen oxides (NO and N2O)

    Pilegaard, K., Skiba, U., Ambus, Per Lennart, Beier, C., Brueggemann, N., Butterbach-Bahl, K., Dick, J., Dorsey, J., Duyzer, J., Gallagher, M., Gasche, R., Horvath, L., Kitzler, B., Leip, A., Pihlatie, M. K., Rosenkranz, P., Seufert, G., Vesala, T., Westrate, H. & Zechmeister-Boltenstern, S., 2006, In: Biogeosciences. 3, 4, p. 651-661 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    Fate and stabilization of labile carbon in a sandy boreal forest soil – A question of nitrogen availability?

    Meyer, N., Sietiö, O., Adamczyk, S., Ambus, Per Lennart, Biasi, C., Glaser, B., Kalu, S., Martin, A., Mganga, K. Z., Olin, M., Seppänen, A., Shrestha, R. & Karhu, K., 2023, In: Applied Soil Ecology. 191, 14 p., 105052.

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Field measurements of atmosphere-biosphere interactions in a Danish beech forest

    Pilegaard, K., Mikkelsen, T., Beier, Claus, Jensen, N., Ambus, Per Lennart & Ro-Poulsen, Helge, 10 Dec 2003, In: Boreal Environment Research. 8, 4, p. 315-333 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  78. Published

    Field measurements of atmosphere-surface interactions in a Danish beech forest

    Pilegaard, K., Mikkelsen, T. N., Beier, C., Jensen, N. O., Ambus, Per Lennart & Ro-Poulsen, Helge, 2003, In: Boreal Environmental Research. 8, p. 315-333

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Fire increases soil nitrogen retention and alters nitrogen uptake patterns among dominant shrub species in an Arctic dry heath tundra

    Xu, W., Elberling, Bo & Ambus, Per Lennart, 2021, In: Science of the Total Environment. 807, Part 3, 11 p., 150990.

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Fire increases the risk of higher soil N2O emissions from Mediterranean Macchia ecosystems

    Karhu, K., Dannenmann, M., Kitzler, B., Diaz-Pines, E., Tejedor, J., Ramirez, D. A., Parra, A., Resco de Dios, V., Moreno, J. M., Rubio, A., Guimaraes-Povoas, L., Zechmeister-Boitenstern, S., Butterbach-Bahl, K. & Ambus, Per Lennart, 1 Mar 2015, In: Soil Biology & Biochemistry. 82, p. 44-51 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  81. Published

    Fire intensity regulates the short-term postfire response of the microbiome in Arctic tundra soil

    Ramm, E., Ambus, Per Lennart, Gschwendtner, S., Liu, C., Schloter, M. & Dannenmann, M., 2023, In: Geoderma. 438, 11 p., 116627.

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Fluxes of CH4 and N2O in aspen stands grown under ambient and twice-ambient CO2

    Ambus, Per Lennart & Robertson, G., 1999, In: Plant and Soil. 209, 1, p. 1-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    Fluxes of NO3-, NH4+, NO, NO2, and N2O in an old danish beech forest

    Beier, Claus, Rasmussen, L., Pilegaard, K., Ambus, Per Lennart, Mikkelsen, T. N., Jensen, N. O., Kjøller, Annelise Helene, Priemé, Anders & Ladekarl, U. L., 2001, In: Water, Air, and Soil Pollution: Focus. 1, p. 187-195

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Freeze-thaw regime effects on carbon and nitrogen dynamics in sub-arctic heath tundra mesocosms

    Grogan, P., Michelsen, Anders, Ambus, Per Lennart & Jonasson, S. E., 2004, In: Soil Biology & Biochemistry. 36, p. 641-654

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    Freeze-thaw regime effects on carbon and nitrogen dynamics in sub-arctic heath tundra mesocosms

    Grogan, P., Michelsen, Anders, Ambus, Per Lennart & Jonasson, S. E., 1 Apr 2004, In: Soil Biology & Biochemistry. 36, 4, p. 641-654 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Full accounting of the greenhouse gas (CO2, N2O, CH4) budget of nine European grassland sites

    Soussana, J. F., Allard, V., Pilegaard, K., Ambus, P., Amman, C., Campbell, C., Ceschia, E., Clifton-Brown, J., Czobel, S., Domingues, R., Flechard, C., Fuhrer, J., Hensen, A., Horvath, L., Jones, M., Kasper, G., Martin, C., Nagy, Z., Neftel, A., Raschi, A. & 8 others, Baronti, S., Rees, R. M., Skiba, U., Stefani, P., Manca, G., Sutton, M., Tubaf, Z. & Valentini, R., 1 Jun 2007, In: Applied Soil Ecology. 121, 1-2, p. 121-134 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  87. Published

    Gas chromatography vs. quantum cascade laser-based N2O flux measurements using a novel chamber design

    Bruemmer, C., Lyshede, B., Lempio, D., Delorme, J., Rueffer, J. J., Fuss, R., Moffat, A. M., Hurkuck, M., Ibrom, A., Ambus, Per Lennart, Flessa, H. & Kutsch, W. L., 2017, In: Biogeosciences. 14, 6, p. 1365-1381 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. Gas cleaning with hot char beds studied by stable isotopes

    Egsgaard, H., Ahrenfeldt, J., Ambus, Per Lennart, Schaumburg, K. & Henriksen, U. B., 1 May 2014, In: Journal of Analytical and Applied Pyrolysis. 107, p. 174-182 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  89. Published

    Glycine uptake in heath plants and soil microbes responds to elevated temperature, CO2 and drought

    Andresen, L. C., Michelsen, Anders, Jonasson, S. E., Beier, Claus & Ambus, Per Lennart, 2009, In: Acta Oecologica. 35, 6, p. 786-796 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Published

    Heath nitrogen cycling at manipulated 'CLIMAITE'

    Andresen, L. C., Ambus, Per Lennart, Beier, C., Jonasson, S. E. & Michelsen, Anders, 2005, Ikke angivet. Institute of Nature Conservation, p. 52-52

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  91. Published

    High nitrous oxide emissions from temporary flooded depressions within croplands

    Elberling, Bo, Kovács, Gyula Mate, Hansen, Hans Frederik Engvej, Fensholt, Rasmus, Ambus, Per Lennart, Tong, Xiaoye, Gominski, Dimitri Pierre Johannes, Mueller, Carsten W., Poultney, D. M. N. & Oehmcke, Stefan, 2023, In: Communications Earth and Environment. 4, 1, 9 p., 463.

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    How does biochar influence soil N cycle? A meta-analysis

    Liu, Q., Zhang, Y., Liu, B., Amonette, J. E., Lin, Z., Liu, G., Ambus, Per Lennart & Xie, Z., 2018, In: Plant and Soil. 426, 1-2, p. 211-225 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    Impact of decade-long warming, nutrient addition and shading on emission and carbon isotopic composition of CO2 from two subarctic dwarf shrub heaths

    Ravn, N. R., Ambus, Per Lennart & Michelsen, Anders, 2017, In: Soil Biology & Biochemistry. 111, p. 15-24 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Impact of future climatic conditions on the potential for soil organic matter priming

    Reinsch, S., Ambus, Per Lennart, Thornton, B. & Paterson, E., 1 Oct 2013, In: Soil Biology & Biochemistry. 65, p. 133-140 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Individual variation of persistent organic pollutants in relation to stable isotope ratios, sex, reproductive phase and oxidative status in Scopoli's shearwaters (Calonectris diomedea) from the Southern Mediterranean

    Costantini, D., Sebastiano, M., Mueller, M. S., Eulaers, I., Ambus, Per Lennart, Malarvannan, G., Covaci, A., Massa, B. & Dell'Omo, G., 2017, In: Science of the Total Environment. 598, p. 179-187 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Influence of 15N enrichment on the net isotopic fractionation factor during the reduction of nitrate to nitrous oxide in soil

    Mathieu, O., Leveque, J., Henault, C., Ambus, Per Lennart, Millouxl, M. & Andreux, F., 2007, In: Rapid Communications in Mass Spectrometry. 21, 8, p. 1447-1451 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Influence of fast pyrolysis temperature on biochar labile fraction and short-term carbon loss in a loamy soil

    Bruun, E. W., Hauggaard-Nielsen, H., Ibrahim, N., Egsgaard, H., Ambus, Per Lennart, Jensen, P. A. & Dam-Johansen, K., 1 Mar 2011, In: Biomass & Bioenergy. 35, 3, p. 1182-1189 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Influence of plant growth on degradation of linear alkylbenzene sulfonate in sludge-amended soil

    Mortensen, G., Egsgaard, H., Ambus, Per Lennart, Jensen, E. & Gron, C., 1 Jul 2001, In: Journal of Environmental Quality. 30, 4, p. 1266-1270 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Inorganic carbon fluxes across the vadose zone of planted and unplanted soil mesocosms

    Thaysen, E. M., Jacques, D., Jessen, Søren, Andersen, C. E., Laloy, E., Ambus, Per Lennart, Postma, D. & Jakobsen, I., 2014, In: Biogeosciences. 11, p. 7179-7192 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Interspecific competition, N use and interference with weeds in pea-barley intercropping

    Hauggaard-Nielsen, H., Ambus, Per Lennart & Jensen, E., 20 Apr 2001, In: Field Crops Research. 70, 2, p. 101-109 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

Previous 1 2 Next

ID: 128190506