Per Lennart Ambus

Per Lennart Ambus

Professor


  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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-review

  14. 2022
  15. Published
  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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-review

  23. Published
  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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 conferenceConference abstract for conferenceResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 conferenceConference abstract for conferenceResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalConference abstract in journalResearch

  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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalReviewResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-review

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