Per Lennart Ambus
Professor
Geography 1
Øster Voldgade 10
1350 København K
- 2011
- 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 journal › Journal article › Research › peer-review
Is methane released from the forest canopy?
Mikkelsen, T. N., Bruhn, D., Ambus, Per Lennart, Larsen, Klaus Steenberg, Ibrom, I. & Pilegaard, K., 2011, In: iForest. 4, p. 200-204 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Labelling belowground with 18O to determine soil respiration
Andresen, L. C., Ambus, Per Lennart, Dungait, J. & Bol, R., 2011.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Organic matter flow in the food web at a temperate heath under multifactorial climate change
Andresen, L. C., Konestabo, H. S., Maraldo, K., Holmstrup, M., Ambus, Per Lennart, Beier, Claus & Michelsen, Anders, 2011, In: Rapid Communications in Mass Spectrometry. 25, 11, p. 1485-1496 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Reduced N cycling in response to elevated CO2, warming, and drought in a Danish heathland
Larsen, K. S., Andresen, L. C., Beier, C., Jonasson, S. E., Albert, K. R., Ambus, P. L., Arndal, M. F., Carter, M. S., Christensen, S., Holmstrup, M., Ibrom, A., Nielsen, J. K., van der Linden, L., Maraldo, K., Michelsen, A., Mikkelsen, T. N., Pilegaard, K., Priemé, A., Ro-Poulsen, H., Schmidt, I. K. & 2 others, , 2011, Nitrogen & global change: key findings - future challenges. 2 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Reduced N cycling in response to elevated CO2, warming, and drought in a Danish heathland: synthesizing results of the CLIMAITE project after two years of treatments
Larsen, K. S., Andresen, L. C., Beier, C., Jonasson, S. E., Albert, K. A., Ambus, P. L., Arndal, M. F., Carter, M. S., Christensen, S., Holmstrup, M., Ibrom, A., Nielsen, J. K., Van der Linden, L., Maraldo, K., Michelsen, A., Mikkelsen, T. N., Pilegaard, K., Priemé, A., Ro-Poulsen, H., Schmidt, I. K. & 2 others, , 2011, In: Global Change Biology. 17, 5, p. 1884-1899 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2010
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 journal › Journal article › Research › peer-review
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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
Plant nutrient mobilization in temperate heathland responds to elevated CO2, temperature and drought
Andresen, L. C., Michelsen, Anders, Jonasson, S. E., Schmidt, Inger Kappel, Mikkelsen, T. N., Ambus, Per Lennart & Beier, Claus, 2010, In: Plant and Soil. 328, 1-2, p. 381-396 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
Pea-barley intercropping and short-term subsequent crop effects across European organic cropping conditions
Hauggaard-Nielsen, H., Gooding, M., Ambus, Per Lennart, Corre- Hellou, G., Crozat, Y., Dahlmann, C., Dibet, A., von Fragstein, P., Pristeri, A., Monti, M. & Jensen, E. S., 1 Oct 2009, In: Nutrient Cycling in Agroecosystems. 85, 2, p. 141-155 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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 journal › Journal article › Research › peer-review
Pea-barley intercropping for efficient symbiotic N2-fixation, soil N acquisition and use of other nutrients in European organic cropping systems
Hauggaard-Nielsen, H., Gooding, M., Ambus, Per Lennart, Corre- Hellou, G., Crozat, Y., Dahlmann, C., Dibet, A., von Fragstein, P., Pristeri, A., Monti, M. & Jensen, E. S., 10 Jul 2009, In: Field Crops Research. 113, 1, p. 64-71 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Nitrogen rhizodeposition from soybean (Glycine max) and its impact on nutrient budgets in two contrasting environments of the Guinean savannah zone of Nigeria
Laberge, G., Franke, A. C., Ambus, Per Lennart & Hogh-Jensen, H., 1 May 2009, In: Nutrient Cycling in Agroecosystems. 84, 1, p. 49-58 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
The influence of water stress on biomass and N accumulation, N partitioning between above and below ground parts and on N rhizodeposition during reproductive growth of pea (Pisum sativum L.)
Mahieu, S., Germon, F., Aveline, A., Hauggaard- Nielsen, H., Ambus, Per Lennart & Jensen, E. S., 1 Feb 2009, In: Soil Biology & Biochemistry. 41, 2, p. 380-387 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2009, In: Atmospheric Environment. 43, 33, p. 5193-5267 75 p.Research output: Contribution to journal › Journal article › Research › peer-review
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, , 2009, In: Applied Soil Ecology. 133, 3-4, p. 139-149Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Conference abstract in journal › Research
- 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 journal › Conference abstract in journal › Research
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
Is nitrogen deposition the main driver of increasing carbon sequestration in a Danish Beech forest?
Larsen, Klaus Steenberg, Ibrom, A., Pilegaard, K., Ambus, Per Lennart, Carter, M. S. & Beier, Claus, 2009, In: IOP Conference Series: Earth and Environmental Science. 6, 1 p., 082014.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
- Published
Is organic farming a mitigation option? - A study on N2O emission from winter wheat
Carter S., M., Albert, K. & Ambus, Per Lennart, 2009, In: Institute of Physics Conference Series.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Nitrogen uptake in temperate heath vegetation and soil microbes is influenced by elevated temperature, CO2 and drought
Andresen, L. C., Michelsen, Anders, Jonasson, S. E., Beier, Claus & Ambus, Per Lennart, 2009, In: Institute of Physics Conference Series.Research output: Contribution to journal › Conference abstract in journal › Research
- 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. 144Research output: Contribution to journal › Conference abstract in journal › Research
- 2008
- 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, , 2008.Research output: Contribution to conference › Conference abstract for conference › Research
- 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, , 2008, In: Functional Ecology. 22, 1, p. 185-195 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
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, , 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
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
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, , 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
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
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
- 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
- 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
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
- 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
- 2006
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
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
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
- 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
- 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
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
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
- 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
- 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
- 2005
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
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, , 1 Jul 2005, In: Global Change Biology. 11, 7, p. 1065-1093 29 p.Research output: Contribution to journal › Journal article › Research › peer-review
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
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
ID: 128190506
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Bacteria and fungi respond differently to multifactorial climate change in a temperate heathland, traced with 13C-Glycine and FACE CO2
Research output: Contribution to journal › Journal article › Research › peer-review
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The Biological Time Machine - Biological responses to multiple environmental and climatic changes: Environment and Stress, Ph.d. symposium at KVL October 2006
Research output: Contribution to conference › Conference abstract for conference › Research
Published -
914
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Corrigendum to "Can current moisture responses predict soil CO2 efflux under altered precipitation regimes? A synthesis of manipulation experiments"
Research output: Contribution to journal › Comment/debate › Research › peer-review
Published