Per Lennart Ambus

Per Lennart Ambus

Professor

ORCID: 0000-0001-7580-524X

Publication year:
All
1 - 100 out of 189Page size: 100
Sort by: Title
  1. Published

    Våd natur kan give væsentlig klimaeffekt – men på lang sigt

    Christiansen, Jesper Riis, Jepsen, Martin Rudbeck, Ambus, Per Lennart, Elberling, Bo, Mueller, Carsten W., Bruun, Sander, Busck, Anne Gravsholt, Jensen, Lars Stoumann, Bruun, Hans Henrik, Krøijer, Stine, Jessen, Nina Toudal, Jessen, Søren & Stisen, S., 25 May 2022, BIO (DM).

    Research output: Other contribution › Net publication - Internet publication › Communication

  2. Published

    Use of feathers to assess polychlorinated biphenyl and organochlorine pesticide exposure in top predatory bird species of Pakistan

    Abbasi, N. A., Eulaers, I., Jaspers, V. L. B., Chaudhry, M. J. I., Frantz, A., Ambus, Per Lennart, Covaci, A. & Malik, R. N., 1 Nov 2016, In: Science of the Total Environment. 569-570, p. 1408-1417

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

  3. Published

    Urea in Weaver Ant Feces: Quantification and Investigation of the Uptake and Translocation of Urea in Coffea arabica

    Vidkjær, Nanna Hjort, Wollenweber, B., Jensen, K. V., Ambus, Per Lennart, Offenberg, J. & Fomsgaard, I. S., 1 Sep 2016, In: Journal of Plant Growth Regulation. 35, 3, p. 803-814 12 p.

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

  4. UV-induced carbon monoxide emission from living vegetation

    Bruhn, D., Albert, K. R., Mikkelsen, T. N. & Ambus, Per Lennart, 2013, In: Biogeosciences. 10, 12, p. 7877-7882 6 p.

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

  5. UV-induced N2O emission from plants

    Bruhn, D., Albert, K. R., Mikkelsen, T. N. & Ambus, Per Lennart, 1 Dec 2014, In: Atmospheric Environment. 99, p. 206-214 9 p.

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

  6. Published

    The natural abundance of 15N in litter and soil profiles under six temperate tree species: N cycling depends on tree species traits and site fertility

    Callesen, Ingeborg, Nilsson, L. O., Schmidt, Inger Kappel, Vesterdal, Lars, Ambus, Per Lennart, Christiansen, Jesper Riis, Högberg, P. & Gundersen, Per, 2013, In: Plant and Soil. 368, 1-2, p. 375–392 18 p.

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

  7. 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

  8. Published

    The first exposure assessment of legacy and unrestricted brominated flame retardants in predatory birds of Pakistan

    Abbasi, N. A., Eulaers, I., Jaspers, V. L. B., Chaudhry, M. J. I., Frantz, A., Ambus, Per Lennart, Covaci, A. & Malik, R. N., 2017, In: Environmental Pollution. 220, Part B, p. 1208-1219 12 p.

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

  9. 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

  10. The competitive ability of pea-barley intercrops against weeds and the interactions with crop productivity and soil N availability

    Corre-Hellou, G., Dibet, A., Hauggaard-Nielsen, H., Crozat, Y., Gooding, M., Ambus, Per Lennart, Dahlmann, C., von Fragstein, P., Pristeri, A., Monti, M. & Jensen, E. S., 14 Jun 2011, In: Field Crops Research. 122, 3, p. 264-272 9 p.

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

  11. Published

    The Influence of Grain Legume and Tillage Strategies on CO2 and N2O Gas Exchange under Varied Environmental Conditions

    Hansen, E. M. Ø., Hauggaard-nielsen, H., Justes, E., Ambus, Per Lennart & Mikkelsen, T. N., 2021, In: Agriculture. 11, 5, 18 p., 464.

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

  12. 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

  13. Terrestrial plant methane production and emission

    Bruhn, D., Moller, I. M., Mikkelsen, T. N. & Ambus, Per Lennart, 1 Mar 2012, In: Physiologia Plantarum. 144, 3, p. 201-209 9 p.

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

  14. Temporal and spatial distribution of roots and competition for nitrogen in pea-barley intercrops: a field study employing 32P technique

    Hauggaard-Nielsen, H., Ambus, Per Lennart & Jensen, E., 1 Sep 2001, In: Plant and Soil. 236, 1, p. 63-74 12 p.

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

  15. Published

    Technical note: mesocosm approach to quantification of carbon dioxide fluxes across the vadose zone

    Thaysen, E. M., Jessen, Søren, Ambus, Per Lennart, Beier, Claus, Postma, D. & Jakobsen, Iver, 2013, In: Biogeosciences Discussions. p. 9947-9967

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

  16. Published

    Technical Note: Mesocosm approach to quantify dissolved inorganic carbon percolation fluxes

    Thaysen, E. M., Jessen, Søren, Ambus, Per Lennart, Beier, Claus, Postma, D. & Jakobsen, I., 2014, In: Biogeosciences. 11, 4, p. 1077-1084 8 p.

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

  17. Strip cropping of alternating perennial grass-clover and annual rye-vetch intercrops when grown within an organic farming system

    Hauggaard-Nielsen, H., Johansen, A., Carter, M. S., Ambus, Per Lennart & Jensen, E. S., 20 Sep 2012, In: Field Crops Research. 136, p. 1-11 11 p.

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

  18. 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

  19. Published

    Spatial controls of methane uptake in upland soils across climatic and geological regions in Greenland

    D'Imperio, Ludovica, Li, B., Tiedje, J. M., Oh, Y., Christiansen, Jesper Riis, Kepfer Rojas, Sebastian, Westergaard-Nielsen, Andreas, Brandt, Kristian Koefoed, Holm, Peter Engelund, Wang, P., Ambus, Per Lennart & Elberling, Bo, 2023, In: Communications Earth & Environment. 4, 1, 10 p., 461.

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

  20. Published

    Spatial and Seasonal Nitrous Oxide and Methane Fluxes in Danish Forest-, Grassland-, and Agroecosystems

    Ambus, Per Lennart & Christensen, Søren, 1 Sep 1995, In: Journal of Environmental Quality. 24, 5, p. 993-1001 9 p.

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

  21. 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

  22. Published

    Soil respiration is stimulated by elevated CO2 and reduced by summer drought: three years of measurements in a multifactor ecosystem manipulation experiment in a temperate heathland (CLIMAITE)

    Selsted, M. B., van der Linden, L., Ibrom, A., Michelsen, Anders, Larsen, Klaus Steenberg, Pedersen, J., Mikkelsen, T. N., Pilegaard, K., Beier, Claus & Ambus, Per Lennart, 2012, In: Global Change Biology. 18, 4, p. 1216-1230 15 p.

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

  23. Published

    Slope hydrology and permafrost: The effect of snowmelt N transport on downslope ecosystem

    Rasmussen, Laura Helene, Ambus, Per Lennart, Zhang, W., Jansson, P. E., Michelsen, Anders & Elberling, Bo, 1 May 2020. 2 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  24. Published

    Similar N2O flux from soil measured with different chamber techniques

    Ambus, Per Lennart, CLAYTON, H., ARAH, J., SMITH, K. & Christensen, Søren, 1 Jan 1993, In: ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS. 27, 1, p. 121-123 3 p.

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

  25. Published

    Short-term utilization of carbon by the soil microbial community under future climatic conditions in a temperate heathland

    Reinsch, S., Michelsen, Anders, Sárossy, Z., Egsgaard, H., Schmidt, Inger Kappel, Jakobsen, I. & Ambus, Per Lennart, 2014, In: Soil Biology & Biochemistry. 68, p. 9-19 12 p.

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

  26. Published

    Short-term effects of experimental fire on CO2, CH4 and N2O exchange in a well-drained arctic tundra

    Hermesdorf, Lena, D'Imperio, Ludovica, Elberling, Bo & Ambus, Per Lennart, 4 Mar 2021. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  27. 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

  28. Published

    Sea animal activity controls CO2 , CH4 and N2O emission hotspots on South Georgia, sub-Antarctica

    Wang, P., D'Imperio, Ludovica, Liu, B., Tian, Q., Jia, Z., Ambus, Per Lennart, Rasch, M. & Elberling, Bo, 2019, In: Soil Biology and Biochemistry. 132, p. 174-186 13 p.

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

  29. 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

  30. Published

    Resistance of soil protein depolymerization rates to eight years of elevated CO2, warming, and summer drought in a temperate heathland

    Wild, B., Ambus, Per Lennart, Reinsch, S. & Richter, A., 2018, In: Biogeochemistry. 140, 3, p. 255-267 13 p.

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

  31. 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

  32. Published

    Regional emissions of soil greenhouse gases across Tibetan alpine grasslands

    Wang, Peiyan, Wang, J., Elberling, Bo, Ambus, Per Lennart, Li, Y., Pan, J., Zhang, R., Guo, H. & Niu, S., 2024, In: Geoderma. 443, 10 p., 116843.

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

  33. 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, Selsted, M. B. & Andersen, K. S., 2011, In: Global Change Biology. 17, 5, p. 1884-1899 16 p.

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

  34. 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, Selsted, M. B. & Andersen, K. S., 2011, Nitrogen & global change: key findings - future challenges. 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  35. Redistribution of slurry components as influenced by injection method, soil, and slurry properties

    Petersen, S., Nissen, H., Lund, I. & Ambus, Per Lennart, 1 Nov 2003, In: Journal of Environmental Quality. 32, 6, p. 2399-2409 11 p.

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

  36. Reactive nitrogen and greenhouse gas flux interactions in terrestrial ecosystems

    Ambus, Per Lennart, Skiba, U., Butterbach-Bahl, K. & Sutton, M. A., 1 Jun 2011, In: Plant and Soil. 343, 1-2, p. 1-3 3 p.

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

  37. Published

    Re-visiting soil carbon and nitrogen stocks in a temperate heathland seven years after the termination of free air CO2 enrichment (FACE)

    Li, Qiaoyan, Ambus, Per Lennart, Michelsen, Anders, Schmidt, Inger Kappel, Beier, Claus, Dietzen, Christiana Amalie, Reinsch, S., Arndal, M. F. & Larsen, Klaus Steenberg, 2022, In: Geoderma. 428, 7 p., 116185.

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

  38. Published

    Pyrogenic organic matter as a nitrogen source to microbes and plants following fire in an Arctic heath tundra

    Xu, W., Elberling, Bo & Ambus, Per Lennart, 2022, In: Soil Biology & Biochemistry. 170, 9 p., 108699.

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

  39. Published

    Productivity and carbon footprint of perennial grass-forage legume intercropping strategies with high or low nitrogen fertilizer input

    Hauggaard-Nielsen, H., Lachouani, P., Knudsen, M. T., Ambus, Per Lennart, Boelt, B. & Gislum, R., 15 Jan 2016, In: Science of the Total Environment. 541, p. 1339-1347

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

  40. Published

    Production of N2O in soil during decomposition of dead yeast cells with different spatial distributions

    Ambus, Per Lennart, 1 Apr 1996, In: Plant and Soil. 181, 1, p. 7-12 6 p.

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

  41. Priming of Soil Carbon Decomposition in Two Inner Mongolia Grassland Soils following Sheep Dung Addition: A Study Using C-13 Natural Abundance Approach

    Ma, X., Ambus, Per Lennart, Wang, S., Wang, Y. & Wang, C., 13 Nov 2013, In: PLOS ONE. 8, 11

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

  42. Published

    Postfire nitrogen balance of Mediterranean shrublands: Direct combustion losses versus gaseous and leaching losses from the postfire soil mineral nitrogen flush

    Dannenmann, M., Diaz-Pines, E., Kitzler, B., Karhu, K., Tejedor, J., Ambus, Per Lennart, Parra, A., Sanchez-Martin, L., Resco, V., Ramirez, D. A., Povoas-Guimaraes, L., Willibald, G., Gasche, R., Zechmeister-Boltenstern, S., Kraus, D., Castaldi, S., Vallejo, A., Rubio, A., Moreno, J. M. & Butterbach-Bahl, K., 2018, In: Global Change Biology. 24, 10, p. 4505-4520 16 p.

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

  43. 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

  44. Published

    Plant uptake of LAS and DEHP from sludge amended soil

    Grøn, C., Laturnus, F., Mortensen, G. K., Egsgaard, H., Samsøe-Petersen, L., Ambus, Per Lennart & Jensen, E. S., 2001, ACS symposium series. Lipnick, R. L., Hermens, J. L. M., Jones, K. C. & Muir, D. C. G. (eds.). 772 ed. American Chemical Society, p. 99-111 13 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  45. Plant uptake and soil degradation of organic contaminants in sludge amended soil

    Gron, C., Laturnus, F., Mortensen, G., Egsgaard, H., Bennetzen, S., Ambus, Per Lennart & Jensen, E. S., 21 Mar 1999, In: ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 217, 1, p. U716

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

  46. 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

  47. Photorespiration contributes to stomatal regulation and carbon isotope fractionation: a study with barley, potato and Arabidopsis plants deficient in glycine decarboxylase

    Igamberdiev, A., Mikkelsen, T., Ambus, Per Lennart, Bauwe, H., Lea, P. & Gardestrom, P., 2004, In: Photosynthesis Research. 81, 2, p. 139-152 14 p.

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

  48. 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

  49. 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

  50. 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

  51. Published

    Paddy soil drainage influences residue carbon contribution to methane emissions

    Tariq, Azeem, Jensen, Lars Stoumann, Sander, B. O., de Tourdonnet, S., Ambus, Per Lennart, Phan Huu Thanh, Mai Van Trinh & de Neergaard, Andreas, 2018, In: Journal of Environmental Management. 225, p. 168-176 9 p.

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

  52. 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

  53. 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

  54. Published

    Normalizing time in terms of space: What drives the fate of spring thaw-released nitrogen in a sloping Arctic landscape?

    Rasmussen, Laura Helene, Mortensen, Louise Hindborg, Ambus, Per Lennart, Michelsen, Anders & Elberling, Bo, 2022, In: Soil Biology and Biochemistry. 175, 8 p., 108840.

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

  55. Published

    Nitrous oxide surface fluxes in a low Arctic heath: Effects of experimental warming along a natural snowmelt gradient

    Kolstad, E., Michelsen, Anders & Ambus, Per Lennart, 2021, In: Soil Biology and Biochemistry. 160, 14 p., 108346.

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

  56. Published

    Nitrous oxide production by denitrification and nitrification in temperate forest, grassland and agricultural soils

    Ambus, Per Lennart, 1 Sep 1998, In: European Journal of Soil Science. 49, 3, p. 495-502 8 p.

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

  57. Nitrous oxide emissions from a beech forest floor measured by eddy covariance and soil enclosure techniques

    Pihlatie, M., Rinne, J., Ambus, Per Lennart, Pilegaard, K., Dorsey, J., Rannik, U., Markkanen, T., Launiainen, S. & Vesala, T., 2005, In: Biogeosciences. 2, 4, p. 377-387 11 p.

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

  58. Published

    Nitrous oxide emission from an agricultural field: Comparison between measurements by flux chamber and micrometerological techniques

    Christensen, Søren, Ambus, Per Lennart, Arah, J., Clayton, H., Galle, B., Griffith, D., Hargreaves, K., Klemedtsson, L., Lind, A., Maag, M., Scott, A., Skiba, U., Smith, K., Welling, M. & Wienhold, F., 1 Dec 1996, In: Atmospheric Environment. 30, 24, p. 4183-4190 8 p.

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

  59. Nitrous oxide emission from Ulva lactuca incubated in batch cultures is stimulated by nitrite, nitrate and light

    Albert, K. R., Bruhn, A. & Ambus, Per Lennart, 1 Oct 2013, In: Journal of Experimental Marine Biology and Ecology. 448, p. 37-45 9 p.

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

  60. Nitrous oxide and N-leaching losses from agricultural soil: Influence of crop residue particle size, quality and placement

    Ambus, Per Lennart, Jensen, E. & Robertson, G., 2001, In: Phyton (Austria). 41, 3, p. 7-15 9 p.

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

  61. 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

  62. Published

    Nitrogen turnover rates in a riparian fen determined by 15N dilution

    Ambus, Per Lennart, MOSIER, A. & Christensen, Søren, 1 Dec 1992, In: Biology and Fertility of Soils. 14, 4, p. 230-236 7 p.

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

  63. Published

    Nitrogen transport in a tundra landscape: the effects of early and late growing season lateral N inputs on arctic soil and plant N pools and N2O fluxes

    Rasmussen, Laura Helene, Zhang, W., Ambus, Per Lennart, Michelsen, Anders, Jansson, P. E., Kitzler, B. & Elberling, Bo, 2021, In: Biogeochemistry. 157, p. 69–84 16 p.

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

  64. 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

  65. Nitrogen mineralization and denitrification as influenced by crop residue particle size

    Ambus, Per Lennart & Jensen, E., 1 Dec 1997, In: Plant and Soil. 197, 2, p. 261-270 10 p.

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

  66. Published

    Nitrogen isotopes reveal high N retention in plants and soil of old Norse and Inuit deposits along a wet-dry arctic fjord transect in Greenland

    Andersen, E. A. S., Michelsen, Anders, Fenger-Nielsen, R., Hollesen, J., Ambus, Per Lennart & Elberling, Bo, 2020, In: Plant and Soil. 455, 1-2, p. 241-255 15 p.

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

  67. Published

    Nitrogen immobilization could link extreme winter warming events to Arctic browning

    Rasmussen, Laura Helene, Danielsen, Birgitte Kortegaard, Elberling, Bo, Ambus, Per Lennart, Björkman, M. P., Rinnan, Riikka & Andresen, L. C., 2024, In: Soil Biology and Biochemistry. 191, 11 p., 109319.

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

  68. Natural carbon isotopes used to study methane consumption and production in soil

    Ambus, Per Lennart, Andersen, B., Kemner, M., Sorensen, B. & Wille, J., 2002, In: Isotopes in Environmental and Health Studies. 38, 3, p. 149-157 9 p.

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

  69. 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

  70. Published

    Moderate nitrogen retention in temperate heath ecosystem after elevated CO2, drought and warming through 7 years

    Andresen, L. C., Ambus, Per Lennart, Beier, Claus & Michelsen, Anders, 2023, In: European Journal of Soil Science. 74, 4, 13 p., e13397.

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

  71. Published

    Modelling impacts of lateral N flows and seasonal warming on an arctic footslope ecosystem N budget and N2O emissions based on species-level responses

    Rasmussen, Laura Helene, Zhang, W., Ambus, Per Lennart, Jansson, P. E., Kitzler, B. & Elberling, Bo, 2022, In: Biogeochemistry. 158, 2, p. 195–213 19 p.

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

  72. Published

    Minimum tillage mitigated soil N2O emissions and maximized crop yield in faba bean in a Mediterranean environment

    Volpi, I., Antichi, D., Ambus, Per Lennart, Bonari, E., Nassi o Di Nasso, N. & Bosco, S., 2018, In: Soil & Tillage Research. 178, p. 11-21 11 p.

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

  73. Published

    Micrometeorological and chamber methods for measurement of nitrous oxide fluxes between soils and the atmosphere: Overview and conclusions

    SMITH, K., CLAYTON, H., ARAH, J., Christensen, Søren, Ambus, Per Lennart, FOWLER, D., HARGREAVES, K., SKIBA, U., HARRIS, G., WIENHOLD, F., KLEMEDTSSON, L. & GALLE, B., 20 Aug 1994, In: Journal of Geophysical Research: Atmospheres. 99, D8, p. 16541-16548 8 p.

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

  74. Published

    Microbial carbon use efficiency along an altitudinal gradient

    Mganga, K. Z., Sietiö, O., Meyer, N., Poeplau, C., Adamczyk, S., Biasi, C., Kalu, S., Räsänen, M., Ambus, Per Lennart, Fritze, H., Pellikka, P. K. E. & Karhu, K., 2022, In: Soil Biology and Biochemistry. 173, 12 p., 108799.

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

  75. Microbial biomass, microbial diversity, soil carbon storage, and stability after incubation of soil from grass-clover pastures of different age

    Müller-Stöver, Dorette Sophie, Hauggaard-Nielsen, H., Eriksen, J., Ambus, Per Lennart & Johansen, A., May 2012, In: Biology and Fertility of Soils. 48, 4, p. 371-383 13 p.

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

  76. 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

  77. Published

    Measurement of carbon dioxide fluxes in a free-air carbon dioxide enrichment experiment using the closed flux chamber technique

    Selsted, M. B., Ambus, Per Lennart, Michelsen, Anders, van der Linden, L., Larsen, Klaus Steenberg, Pilegaard, K., Mikkelsen, T. N. & Beier, Claus, 1 Jan 2011, In: Atmospheric Environment. 45, 1, p. 208-214 7 p.

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

  78. Published

    Measurement of N2O emission from a fertilized grassland: An analysis of spatial variability

    Ambus, Per Lennart & Christensen, Søren, 20 Aug 1994, In: Journal of Geophysical Research: Atmospheres. 99, D8, p. 16549-16555 7 p.

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

  79. Published

    Long-term summer warming reduces post-fire carbon dioxide losses in an arctic heath tundra

    Xu, W., Elberling, Bo & Ambus, Per Lennart, 2024, In: Agricultural and Forest Meteorology. 344, 10 p., 109823.

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

  80. Long-term effects of cropping system on N2O emission potential

    Petersen, S. O., Ambus, Per Lennart, Elsgaard, L., Schjonning, P. & Olesen, J. E., 1 Feb 2013, In: Soil Biology & Biochemistry. 57, p. 706-712 7 p.

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

  81. Published

    Long-term and realistic global change manipulations had low impact on diversity of soil biota in temperate heathland

    Holmstrup, M., Damgaard, C., Schmidt, Inger Kappel, Arndal, M. F., Beier, Claus, Mikkelsen, T. N., Ambus, Per Lennart, Larsen, Klaus Steenberg, Pilegaard, K., Michelsen, Anders, Andresen, L. C., Haugwitz, M. S., Bergmark, L., Priemé, Anders, Zaitsev, A. S., Georgieva, S., Dam, M., Vestergård, M. & Christensen, Søren, 2017, In: Scientific Reports. 7, 11 p., 41388.

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

  82. Published

    Linking rhizospheric CH4 oxidation and net CH4 emissions in an arctic wetland based on 13CH4 labeling of mesocosms

    Nielsen, C. S., Michelsen, Anders, Ambus, Per Lennart, Deepagoda, T. K. K. C. & Elberling, Bo, 2017, In: Plant and Soil. 412, 1-2, p. 201–213 13 p.

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

  83. 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

  84. 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

  85. Published

    Isotopic methods for non-destructive assessment of carbon dynamics in shrublands under long-term climate change manipulation

    Andresen, L. C., Domínguez, M. T., Reinsch, S., Smith, A. R., Schmidt, Inger Kappel, Ambus, Per Lennart, Beier, Claus, Boeckx, P., Bol, R., De Dato, G., Emmett, B. A., Estiarte, M., Garnett, M. H., Kröel-dulay, G., Mason, S. L., Nielsen, C. S., Peñuelas, J. & Tietema, A., 2018, In: Methods in Ecology and Evolution. 9, 4, p. 866-880 15 p.

    Research output: Contribution to journal › Review › Research › peer-review

  86. 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

  87. 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

  88. 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

  89. Inventories of N2O and NO emissions from European forest soils

    Kesik, M., Ambus, Per Lennart, Baritz, R., Bruggemann, N., Butterbach-Bahl, K., Damm, M., Duyzer, J., Horvath, L., Kiese, R., Kitzler, B., Leip, A., Li, C., Pihlatie, M., Pilegaard, K., Seufert, G., Simpson, D., Skiba, U., Smiatek, G., Vesala, T. & Zechmeister-Boltenstern, S., 2005, In: Biogeosciences. 2, 4, p. 353-375 23 p.

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

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

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

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

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

  94. 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

  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 journal › Journal article › Research › peer-review

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

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

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

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

  100. 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 proceeding › Conference abstract in proceedings › Research

Previous 1 2 Next

ID: 128190506