Per Lennart Ambus

Per Lennart Ambus

Professor

ORCID: 0000-0001-7580-524X

Publication year:
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1 - 189 out of 189Page size: 500
  1. 2024
  2. 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

  3. 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

  4. 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

  5. 2023
  6. 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 journal › Journal article › Research › peer-review

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

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

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

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

  11. 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

  12. 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

  13. 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

  14. 2022
  15. 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

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

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

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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 2021
  25. 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 journal › Journal article › Research › peer-review

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

  27. 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

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

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

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

  31. 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

  32. 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

  33. 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

  34. 2020
  35. 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

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

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

  38. 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

  39. 2019
  40. 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 journal › Conference abstract in journal › Research

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

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

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

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

  45. 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

  46. 2018
  47. 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 journal › Journal article › Research › peer-review

  48. 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

  49. 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

  50. 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

  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. 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

  53. 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

  54. 2017

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

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

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

  58. 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

  59. 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

  60. 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

  61. 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

  62. 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

  63. 2016
  64. 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

  65. 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

  66. 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

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

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

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

  70. 2015

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

  72. 2014

  73. 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

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

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

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

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

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

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

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

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

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

  83. 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 journal › Comment/debate › Research › peer-review

  84. 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

  85. 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

  86. 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

  87. 2013

  88. 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

  89. 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

  90. 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

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

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

  93. 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

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

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

  96. 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

  97. 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

  98. 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

  99. 2012

  100. 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

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

  102. 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

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

  104. 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

  105. 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

  106. 2011

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

  108. 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

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

  110. 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

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

  112. 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

  113. 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

  114. 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 conference › Conference abstract for conference › Research

  115. 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

  116. 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

  117. 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

  118. 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

  119. 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

  120. 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

  121. 2010

  122. 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

  123. 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

  124. 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

  125. 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

  126. 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

  127. 2009

  128. 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

  129. 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

  130. 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

  131. 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

  132. 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

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

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

  135. 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

  136. 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

  137. 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

  138. 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

  139. 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

  140. 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

  141. 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

  142. 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

  143. 2008
  144. 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

  145. 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

  146. 2007

  147. 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

  148. 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

  149. 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

  150. 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

  151. 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

  152. 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

  153. 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

  154. 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

  155. 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

  156. 2006

  157. 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

  158. 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

  159. 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

  160. 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

  161. 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

  162. 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

  163. 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

  164. 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

  165. 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

  166. 2005

  167. 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

  168. 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

  169. 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

  170. 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

  171. 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 conference › Poster › Research

  172. 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 conference › Poster › Research

  173. 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

  174. 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

  175. 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

  176. 2004

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

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

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

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

  181. 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

  182. 2003
  183. 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 journal › Journal article › Research › peer-review

  184. 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

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

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

  187. 2002

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

  189. 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

  190. 2001

  191. 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

  192. 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

  193. 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

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

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

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

  197. 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

  198. 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

  199. 1999

  200. 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

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

  202. 1998
  203. 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

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

  205. 1997

  206. 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

  207. 1996
  208. 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

  209. 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

  210. 1995
  211. 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

  212. 1994
  213. 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

  214. 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

  215. 1993
  216. 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 journal › Journal article › Research › peer-review

  217. 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

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

  219. 1992
  220. 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

  221. 1991
  222. 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 journal › Journal article › Research › peer-review

ID: 128190506