Per Lennart Ambus

Per Lennart Ambus

Professor

ORCID: 0000-0001-7580-524X

Publication year:
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126 - 150 out of 189Page size: 25
  1. 2009
  2. Published

    Responses of carbon and water fluxes following drought events in combinations with warming and elevated CO2

    Selsted, M. B., Albert, K., Ambus, Per Lennart, Michelsen, Anders, Ro-Poulsen, Helge, Mikkelsen, T. N. & Ibrom, A., 2009, In: Metlan Tyoraportteja. p. 144

    Research output: Contribution to journal › Conference abstract in journal › Research

  3. 2008
  4. 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 conference › Conference abstract for conference › Research

  5. 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 journal › Journal article › Research › peer-review

  6. 2007

  7. 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 journal › Journal article › Research › peer-review

  8. 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 journal › Journal article › Research › peer-review

  9. 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 journal › Journal article › Research › peer-review

  10. Natural 15N abundance of soil N pools and N2O reflect the nitrogen dynamics of forest soils

    Poertl, K., Zechmeister-Boltenstern, S., Wanek, W., Ambus, Per Lennart & Berger, T. W., 1 Jun 2007, In: Plant and Soil. 295, 1-2, p. 79-94 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Short-term carbon and nitrogen cycling in urine patches assessed by combined carbon-13 and nitrogen-15 labelling

    Ambus, Per Lennart, Petersen, S. O. & Soussana, J., 1 Jun 2007, In: Applied Soil Ecology. 121, 1-2, p. 84-92 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. 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 conference › Conference abstract for conference › Research

  13. 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 conference › Conference abstract for conference › Research

  14. 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 journal › Journal article › Research › peer-review

  15. Published

    Klimaændringer og processer og funktion i terrestiske økosystemer

    Schmidt, Inger Kappel, Beier, C., Nielsen, Jane Kongstad, Andresen, L., Michelsen, Anders, Albert, K., Ambus, Per Lennart, Selsted, M., Maraldo, K., Holmstrup, M., Arndal, M. F., Mikkelsen, T. N., Ro-Poulsen, Helge, Jonassen, S. & Karsten, R. J., 2007, In: Flora og Fauna. 113, 4, p. 117-128 12 p.

    Research output: Contribution to journal › Journal article › Research

  16. 2006

  17. The effect of increased n deposition on nitrous oxide, methane and carbon dioxide fluxes from unmanaged forest and grassland communities in Michigan

    Ambus, Per Lennart & Robertson, G. P., 1 Jul 2006, In: Biogeochemistry. 79, 3, p. 315-337 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. 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 journal › Journal article › Research › peer-review

  19. Methane oxidation in pig and cattle slurry storages, and effects of surface crust moisture and methane availability

    Petersen, S. & Ambus, Per Lennart, 1 Jan 2006, In: Nutrient Cycling in Agroecosystems. 74, 1, p. 1-11 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. 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 conference › Poster › Research

  21. 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 conference › Conference abstract for conference › Research

  22. 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 journal › Journal article › Research › peer-review

  23. Sources of nitrous oxide emitted from European forest soils

    Ambus, Per Lennart, Zechmeister-Boltenstern, S. & Butterbach-Bahl, K., 2006, In: Biogeosciences. 3, 2, p. 135-145 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Stabilization and plant uptake of N from 15N-labelled pea residue 16.5 years after incorporation in soil: short communication

    Laberge, G., Ambus, Per Lennart, Hauggaard-Nielsen, H. & Jensen, E. S., 2006, In: Soil Biology & Biochemistry. 38, 7, p. 1998-2000 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    The Biological Time Machine - Biological responses to multiple environmental and climatic changes: Environment and Stress, Ph.d. symposium at KVL October 2006

    Albert, K., Ro-Poulsen, Helge, N. Mikkelsen, T., Michelsen, Anders, Beier, C., Jonasson, S. E., Ambus, Per Lennart, Schmidt, Inger Kappel, Holmstrup, M., Priemé, Anders & Christensen, Søren, 2006.

    Research output: Contribution to conference › Conference abstract for conference › Research

  26. 2005

  27. Plant-mediated nitrous oxide emissions from beech (Fagus sylvatica) leaves

    Pihlatie, M., Ambus, Per Lennart, Rinne, J., Pilegaard, K. & Vesala, T., 1 Oct 2005, In: New Phytologist. 168, 1, p. 93-98 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Pan-European delta δ13C values of air and organic matter from forest ecosystems

    Hemming, D., Yakir, D., Ambus, P., Aurela, M., Besson, C., Black, K., Buchmann, N., Burlett, R., Cescatti, A., Clement, R., Gross, P., Granier, A., Grunwald, T., Havrankova, K., Janous, D., Janssens, IA., Knohl, A., Ostner, BK., Kowalski, A., Laurila, T. & 14 others, Mata, C., Marcolla, B., Matteucci, G., Moncrieff, J., Moors, E., Osborne, B., Pereira, J., Pihlatie, M., Pilegaard, K., Ponti, F., Rosova, Z., Rossi, F., Scartazza, A. & Vesala, T., 1 Jul 2005, In: Global Change Biology. 11, 7, p. 1065-1093 29 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Oxidation of 13C-labeled methane in surface crusts of pig-and cattle slurry

    Ambus, Per Lennart & Petersen, S., 1 Jun 2005, In: Isotopes in Environmental and Health Studies. 41, 2, p. 125-133 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Relationship between gross nitrogen cycling and nitrous oxide emissionin grass-clover pasture

    Ambus, Per Lennart, 1 Jun 2005, In: Nutrient Cycling in Agroecosystems. 72, 2, p. 189-199 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 128190506