Per Ambus

  1. 2014
  2. Published

    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, Philip Louis; Reinsch, Sabine; Olsson, Pål A.; Ambus, Per; Lüscher, Andreas; Jakobsen, Iver.

    In: Functional Ecology, Vol. 28, No. 2, 2014, p. 538-545.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  3. Published

    Biological 12C-13C fractionation increases with increasing community-complexity in soil microcosms. / Yang, Weijun; Magid, Jakob; Christensen, Søren; Ronn, Regin; Ambus, Per; Ekelund, Flemming.

    In: Soil Biology & Biochemistry, Vol. 69, 2014, p. 197-201.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  4. Published

    Gas cleaning with hot char beds studied by stable isotopes. / Egsgaard, Helge; Ahrenfeldt, Jesper; Ambus, Per; Schaumburg, K.; Henriksen, Ulrik Birk.

    In: Journal of Analytical and Applied Pyrolysis, Vol. 107, 2014, p. 174-182.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  5. Published

    Leaf surface wax is a source of plant methane formation under UV radiation and in the presence of oxygen. / Bruhn, Dan; Mikkelsen, Teis Nørgaard; Rolsted, M. M. M.; Egsgaard, Helge; Ambus, Per.

    In: Plant Biology, Vol. 16, 2014, p. 512-516.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  6. Published

    Short-term utilization of carbon by the soil microbial community under future climatic conditions in a temperate heathland. / Reinsch, Sabine; Michelsen, Anders; Sárossy, Zsuzsa ; Egsgaard, Helge; Schmidt, Inger Kappel; Jakobsen, Iver; Ambus, Per.

    In: Soil Biology & Biochemistry, Vol. 68, 2014, p. 9-19.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  7. 2013
  8. Published
  9. Published

    Common arbuscular mycorrhizal networks amplify competition for phosphorus between seedlings and established plants. / Merrild, Marie Porret; Ambus, Per; Rosendahl, Søren; Jakobsen, Iver.

    In: New Phytologist, Vol. 200, No. 1, 2013, p. 229-240.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  10. Published

    Effects of digestate from anaerobically digested cattle slurry and plant materials on soil microbial community and emission of CO2 and N2O. / Johansen, Anders; Carter, Mette Sustmann; Jensen, Erik S.; Hauggaard-Nielsen, Henrik; Ambus, Per.

    In: Applied Soil Ecology, Vol. 63, 2013, p. 36-44.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  11. Published

    Impact of future climatic conditions on the potential for soil organic matter priming. / Reinsch, Sabine; Ambus, Per; Thornton, Barry; Paterson, Eric.

    In: Soil Biology & Biochemistry, Vol. 65, 2013, p. 133-140.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  12. Published

    In situ 13CO2 pulse‐labeling in a temperate heathland – development of a mobile multi‐plot field setup. / Reinsch, Sabine; Ambus, Per.

    In: Rapid Communications in Mass Spectrometry, Vol. 27, No. 13, 2013, p. 1417-1428.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  13. Published

    Long-term climate change effects on dynamics of microorganisms and carbon in the root-zone. / Reinsch, Sabine; Jakobsen, Iver (Supervisor); Ambus, Per (Main supervisor).

    Kgs. Lyngby : Technical University of Denmark, 2013. 146 p.

    Publication: ResearchPh.D. thesis – Annual report year: 2013

  14. Published

    Long-term effects of cropping system on N2O emission potential. / Petersen, Søren O.; Ambus, Per; Elsgaard, Lars; Schjønning, Per; Olesen, Jørgen E.

    In: Soil Biology & Biochemistry, Vol. 57, 2013, p. 706-712.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  15. Published

    Nitrous oxide emission from Ulva lactuca incubated in batch cultures is stimulated by nitrite, nitrate and light. / Albert, Kristian Rost; Bruhn, Annette; Ambus, Per.

    In: Journal of Experimental Marine Biology and Ecology, Vol. 448, 2013, p. 37-45.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  16. 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, Lars Ola; Schmidt, Inger Kappel; Vesterdal, Lars; Ambus, Per; Christiansen, Jesper Riis; Högberg, Peter; Gundersen, Per.

    In: Plant and Soil, Vol. 368, No. 1-2, 2013, p. 375-392.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  17. Published

    UV-induced carbon monoxide emission from living vegetation. / Bruhn, Dan; Albert, Kristian Rost; Mikkelsen, Teis Nørgaard; Ambus, Per.

    In: Biogeosciences, Vol. 10, No. 6, 2013, p. 7877–7882.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  18. 2012
  19. Published
  20. Published

    Effects of slow and fast pyrolysis biochar on soil C and N turnover dynamics. / Bruun, Esben; Ambus, Per; Egsgaard, Helge; Hauggaard-Nielsen, Henrik.

    In: Soil Biology & Biochemistry, Vol. 46, No. 4, 2012, p. 73-79.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  21. Published

    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, Henrik; Eriksen, Jørgen; Ambus, Per; Johansen, Anders.

    In: Biology and Fertility of Soils, Vol. 48, No. 4, 2012, p. 371-383.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  22. Published
  23. Published

    Strip cropping of alternating perennial grass–clover and annual rye–vetch intercrops when grown within an organic farming system. / Hauggaard-Nielsen, Henrik; Johansen, A.; Carter, Mette Sustmann; Ambus, Per; Jensen, E.S.

    In: Field Crops Research, Vol. 136, 2012, p. 1-11.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  24. Published

    Terrestrial plant methane production. / Mikkelsen, Teis Nørgaard; Bruhn, Dan; Møller, Ian M.; Ambus, Per.

    2012. Abstract from International conference on Biological Reactions of Forests to Climate Change and Air Pollution, Kaunas, Lithuania.

    Publication: ResearchConference abstract for conference – Annual report year: 2012

  25. Published

    Terrestrial plant methane production and emission. / Bruhn, Dan; Møller, Ian M.; Mikkelsen, Teis Nørgaard; Ambus, Per.

    In: Physiologia Plantarum, Vol. 144, 2012, p. 201-209.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  26. Published

    UV-induced carbon monoxide emission from sand and living vegetation. / Bruhn, Dan; Albert, Kristian Rost; Mikkelsen, Teis Nørgaard; Ambus, Per.

    In: Biogeosciences Discussions, Vol. 9, No. 7, 2012, p. 8449.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  27. 2011
  28. Published
  29. 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, Guillaume; Haussmann, Bettina I.G.; Ambus, Per; Jensen, Henning Høgh.

    In: Plant and Soil, Vol. 340, No. 1-2, 2011, p. 369-382.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  30. Published

    Effects of clover density on N2O emissions and plant-soil N transfers in a fertilised upland pasture. / Klumpp, Katja; Bloor, Juliette M. G.; Ambus, Per; Soussana, Jean-François.

    In: Plant and Soil, Vol. 343, No. 1-2, 2011, p. 97-107.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  31. Published
  32. Published

    Energy Production from Marine Biomass (Ulva lactuca). / Nikolaisen, Lars ; Daugbjerg Jensen, Peter ; Svane Bech, Karin ; Dahl, Jonas; Busk, Jørgen; Brødsgaard, Torben ; Rasmussen, Michael Bo ; Bruhn, Annette; Bjerre, Anne-Belinda ; Bangsø Nielsen, Henrik; Albert, Kristian Rost; Ambus, Per; Kádár, Zsófia; Heiske, Stefan; Sander, Bo; Schmidt, Erik Ravn.

    Danish Technological Institute, 2011. 72 p.

    Publication: ResearchReport – Annual report year: 2012

  33. Published

    Field emissions of N2O during biomass production may affect the sustainability of agro-biofuels. / Carter, Mette Sustmann; Hauggaard-Nielsen, Henrik; Heiske, Stefan; Thomsen, Sune Tjalfe; Jensen, Morten; Schmidt, Jens Ejbye; Johansen, Anders; Ambus, Per.

    2011. Abstract from Sixth International Symposium on Non-CO2 Greenhouse Gases, Amsterdam (NL), 2-4 Nov, .

    Publication: ResearchConference abstract for conference – Annual report year: 2011

  34. Published

    Greenhouse gas emissions from cultivation of energy crops may affect the sustainability of biofuels. / Carter, Mette Sustmann; Hauggaard-Nielsen, Henrik; Heiske, Stefan; Thomsen, Sune Tjalfe; Jensen, Morten; Schmidt, Jens Ejbye; Johansen, Anders; Ambus, Per.

    Energy Systems and Technologies for the coming Century : Proceedings. Roskilde : Risø National Laboratory for Sustainable Energy, 2011. p. 283-283 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1776(EN)).

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2011

  35. Published
  36. Published

    Is methane released from the forest canopy?. / Mikkelsen, Teis Nørgaard; Bruhn, Dan; Ambus, Per; Larsen, Klaus Steenberg; Ibrom, Andreas; Pilegaard, Kim.

    In: iForest, Vol. 4, 2011, p. 200-204.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  37. Published
  38. Published

    Organic matter flow in the food web at a temperate heath under multifactorial climate change. / Andresen, Louise C.; Konestabo, Heidi S.; Maraldo, Kristine; Holmstrup, Martin; Ambus, Per; Beier, Claus; Michelsen, Anders.

    In: Rapid Communications in Mass Spectrometry, Vol. 25, No. 11, 2011, p. 1485-1496.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  39. Published

    Reactive nitrogen and greenhouse gas flux interactions in terrestrial ecosystems. / Ambus, Per; Skiba, Ute; Butterbach-Bahl, K.; Sutton, M.A.

    In: Plant and Soil, Vol. 343, No. 1-2, 2011, p. 1-3.

    Publication: Research - peer-reviewEditorial – Annual report year: 2011

  40. Published

    Reduced N cycling in response to elevated CO2, warming, and drought in a Danish heathland. / Larsen, Klaus Steenberg; Andresen, Louise C.; Beier, Claus; Jonasson, Sven; Albert, Kristian Rost; Ambus, Per; Arndal, Marie F.; Carter, Mette Sustmann; Christensen, Søren; Holmstrup, Martin; Ibrom, Andreas; Kongstad, Jane; van der Linden, Leon; Maraldo, Kristine; Michelsen, Anders; Mikkelsen, Teis Nørgaard; Pilegaard, Kim; Primé, Anders; Ro-Poulsen, Helge; Schmidt, Inger K.; Selsted, Merete Bang; Stevnbak, Karen.

    2011. Abstract from NitroEurope Open Conference - Nitrogen and Global Change, Edinburgh (GB), 11-15 Apr, .

    Publication: ResearchConference abstract for conference – Annual report year: 2011

  41. 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, Klaus Steenberg; Andresen, Louise C.; Beier, Claus; Jonasson, Sven; Albert, Kristian Rost; Ambus, Per; Arndal, Marie F.; Carter, Mette Sustmann; Christensen, Søren; Holmstrup, Martin; Ibrom, Andreas; Kongstad, Jane; van der Linden, Leon Gareth; Maraldo, Kristine; Michelsen, Anders; Mikkelsen, Teis Nørgaard; Pilegaard, Kim; Priemé, Anders; Ro-Poulsen, Helge; Schmidt, Inger K.; Selsted, Merete Bang; Stevnbak, Karen.

    In: Global Change Biology, Vol. 17, No. 5, 2011, p. 1884-1899.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  42. Published

    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, Henrik; Crozat, Y.; Gooding, M.; Ambus, Per; Dahlmann, C.; von Fragstein, P.; Pristeri, A.; Monti, M.; Jensen, E.S.

    In: Field Crops Research, Vol. 122, No. 3, 2011, p. 264-272.

    Publication: Research - peer-reviewJournal article – Annual report year: 2011

  43. 2010
  44. Published

    Ecosystem-atmosphere exchange of carbon in a heathland under future climatic conditions. / Selsted, Merete Bang; Ambus, Per (Supervisor); Michelsen, Anders (Supervisor).

    Roskilde : Risø National Laboratory for Sustainable Energy, 2010. 99 p. (Risø-PhD; No. 63(EN)).

    Publication: ResearchPh.D. thesis – Annual report year: 2010

  45. Published

    Belowground heathland responses after 2 years of combined warming, elevated CO2 and summer drought. / Andresen, Louise C.; Michelsen, Anders; Ambus, Per; Beier, Claus.

    In: Biogeochemistry, Vol. 101, No. 1-3, 2010, p. 27-42.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  46. Published

    Development of an accumulation-based system for cost-effective chamber measurements of inert trace gas fluxes. / Ambus, Per; Skiba, U.; Drewer, J.; Jones, S.K.; Carter, Mette Sustmann; Albert, Kristian Rost; Sutton, M.A.

    In: European Journal of Soil Science, Vol. 61, No. 5, 2010, p. 785-792.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  47. Published

    Effects of elevated atmospheric CO2 prolonged summer drought and temperature increase on N2O and CH4 fluxes in a temperate heathland. / Carter, Mette Sustmann; Ambus, Per; Albert, Kristian Rost; Larsen, Klaus Steenberg; Andersson, M:; Priemé, A.; van der Linden, L.; Beier, Claus.

    2010. Abstract from Nordflux Workshop on Ecosystem disturbance and GHG exchange in the Nordic Region, Gunnarsholt (IS), 7-10 Sep, .

    Publication: ResearchConference abstract for conference – Annual report year: 2010

  48. Published

    Emissions of nitrous oxide from arable organic and conventional cropping systems on two soil types. / Chirinda, N.; Carter, Mette Sustmann; Albert, Kristian Rost; Ambus, Per; Olesen, J.E.; Porter, P.R.; Petersen, S.O.

    In: Agriculture, Ecosystems & Environment, Vol. 136, No. 3-4, 2010, p. 199-208.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  49. Published

    Emissions of nitrous oxide from Irish arable soils: effects of tillage and reduced N input. / Abdalla, M.; Jones, M.B.; Ambus, Per; Williams, M.

    In: Nutrient Cycling in Agroecosystems, Vol. 86, No. 1, 2010, p. 53-65.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  50. Published

    Phosphorus resources in the mycorrhiza mycelium of adult plants is poorly available to a seedling connecting into the mycelium. / Merrild, M.; Ambus, Per; Rosendahl, S.; Jakobsen, Iver.

    2010. Poster session presented at 4th International Symposium on Phosphorus Dynamics in the Soil-Plant Continuum, Beijing (CN), 19-23 Sep., .

    Publication: ResearchPoster – Annual report year: 2010

  51. Published

    Plant nutrient mobilization in temperate heathland responds to elevated CO2, temperature and drought. / Andresen, Louise C.; Michelsen, Anders; Jonasson, Sven; Schmidt, Inger K.; Mikkelsen, Teis Nørgaard; Ambus, Per; Beier, Claus.

    In: Plant and Soil, Vol. 328, No. 1-2, 2010, p. 381-396.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  52. Published
  53. 2009
  54. Published

    Abiotic Aerobic Methane Release from Plant Material. / Bruhn, Dan; Ambus, Per; Mikkelsen, Teis Nørgaard.

    2009. Poster session presented at ILEAPS/ICOS/NEU Workshop on eddy covariance flux measurements of CH4 and N2O exchanges, Hyytiälä (FI), 8-11 April, .

    Publication: ResearchPoster – Annual report year: 2009

  55. Published

    Application of the DNDC model to predict emissions of N2O from Irish agriculture. / Abdalla, M.; Wattenbach, M.; Smith, P.; Ambus, Per; Jones, M.B.; Williams, M.

    In: Geoderma, Vol. 151, No. 3-4, 2009, p. 327-337.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  56. Published

    Aquatic Biomass for Biofuel. / Rasmussen, M.B.; Jensen, P.D.; Bruhn, A.; Mouritsen, L.T.; Olesen, B.; Markager, S.S.; Thomsen, Anne Belinda; Ambus, Per; Bangsø Nielsen, Henrik; Dahl, J.; Sander, B.; Ravn, E.

    2009. Poster session presented at Beyond Kyoto, Århus (DK), 5-7 March, .

    Publication: ResearchPoster – Annual report year: 2009

  57. Published

    Atmospheric composition change: Ecosystems–Atmosphere interactions. / Fowler, D.; Pilegaard, Kim; Sutton, M.A.; Ambus, Per; Raivonen, M.; Duyzer, J.; Simpson, D.; Fagerli, H.; Fuzzi, S.; Schjoerring, 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.; 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, Teis Nørgaard; Ro-Poulsen, H.; Cellier, P.; Cape, J.N.; Horvath, L.; Loreto, F.; Niinemets, Ü.; Palmer, P.I.; Rinne, J.; Misztal, P.; Nemitz, E.; Nilsson, D.; Pryor, S.C.; 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.

    In: Atmospheric Environment, Vol. 43, No. 33, 2009, p. 5193-5267.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  58. Published

    Biochar in fertile clay soil : Impact on carbon mineralization, microbials biomass and GHG emissions. / Bruun, E.W.; Hauggaard-Nielsen, Henrik; Ambus, Per.

    2009. Poster session presented at Conference of the International Biochar Initiative (IBI) : Biochar, Sustainability and Security in a Changing Climate, Newcastle (GB), .

    Publication: ResearchPoster – Annual report year: 2009

  59. Published

    Bio-char investigated by analytical flash pyrolysis and GCMS. / Egsgaard, Helge; Bruun, Esben; Hauggaard-Nielsen, Henrik; Ambus, Per; Bech, Niels; Ibrahim, Norazana; Jensen, Peter Arendt.

    Abstracts. American Society for Mass Spectrometry, 2009.

    Publication: ResearchConference abstract in proceedings – Annual report year: 2009

  60. Published

    Biochar soil application to mitigate climate change. / Bruun, Esben; Hauggaard-Nielsen, Henrik; Ambus, Per; Egsgaard, Helge; Jensen, Peter Arendt.

    Energy solutions for CO2 emission peak and subsequent decline: Proceedings. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2009. p. 86-96 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1712(EN)).

    Publication: ResearchArticle in proceedings – Annual report year: 2009

  61. Published
  62. Published

    Biosphere-atmosphere exchange of reactive nitrogen and greenhouse gases at the NitroEurope core flux measurement sites: Measurement strategy and first data sets : 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.; Philatie, M.; Vesala, T.; Larsen, Klaus Steenberg; Carter, Mette Sustmann; Ambus, Per; Ibrom, Andreas; Beier, Claus; Hansen, A.; Frumau, A.; Erisman, J.W.; Brüggemann, N.; Gasche, R.; Butterbach-Bahl, K.; Neftel, A.; Spirig, C.; Horvath, L.; Freibauer, A.; Cellier, P.; Laville, P.; Loubet, B.; Magliulo, E.; Bertolini, T.; Seifert, 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.

    In: Agriculture, Ecosystems & Environment, Vol. 133, No. 3-4, 2009, p. 139-149.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  63. Published

    Climate change alters nutrient cycling : Nitrogen uptake in temperate heath vegetation and soil nicrobes is influenced by elevated temperature CO2 and drought. / Andresen, L.C.; Michelsen, A.; Jonasson, S.; Beier, Claus; Ambus, Per.

    2009. Poster session presented at International Scientific Congress on Climate Change, Copenhagen, Denmark.

    Publication: ResearchPoster – Annual report year: 2009

  64. Published

    Climate controls on gas- and water mediated losses of N from a terrestrial ecosystem. / Ambus, Per (Invited author).

    2009. Paper presented at NeU Workshop on landscape flows and transformations of nitrogen, Foulum (DK), 28 April, .

    Publication: ResearchPaper – Annual report year: 2009

  65. Published

    Consequences of agro-biofuel production for greenhouse gas emissions. / Carter, Mette Sustmann; Hauggaard-Nielsen, Henrik; Johansen, A.; Ambus, Per.

    Energy conversion from biomass production. NJF, 2009. p. 29-30 (NJF Report, v. 5 no. 3).

    Publication: ResearchArticle in proceedings – Annual report year: 2009

  66. Published

    Consequences of agro-biofuel production for greenhouse gas emissions. / Carter, Mette Sustmann; Johansen, Anders; Hauggaard-Nielsen, Henrik; Ambus, Per.

    2009. Poster session presented at EnergyDTU Internal Conference, Lyngby (DK), .

    Publication: ResearchPoster – Annual report year: 2009

  67. Published

    Denitrification and N2O losses in a heathland under changing climate conditions. / Ambus, Per (Invited author); Carter, Mette Sustmann (Invited author); Albert, Kristian Rost (Invited author); Larsen, Klaus Steenberg (Invited author); Andersson, M. (Invited author); Priemé, A. (Invited author); Mikkelsen, Teis Nørgaard (Invited author); Beier, Claus (Invited author).

    2009. Paper presented at Seminar at University of Hohenheim, Stuttgart (DE), 2 June, .

    Publication: ResearchPaper – Annual report year: 2009

  68. Published

    Denitrification and N2O losses in a heathland under changing climate conditions. / Ambus, Per; Carter, Mette Sustmann; Larsen, Klaus Steenberg; Priemé, A.; Albert, Kristian Rost; Andersson, M.; Beier, Claus.

    2009. Paper presented at NitroEurope IP 3rd General Assembly, Ghent (BE), 18-22 Feb., .

    Publication: ResearchPaper – Annual report year: 2009

  69. Published

    Ecosystem carbon balance under future climate conditions: the CLIMAITE project carbon synthesis. / Linden, Leon; Beier, Claus; Mikkelsen, Teis Nørgaard; Holmstrup, M.; Schmidt, I.K.; Ambus, Per; Pilegaard, Kim; Albert, Kristian Rost; Andresen, L. C.; Selsted, Merete Bang; Larsen, Klaus Steenberg; Ibrom, Andreas.

    Climate change: Global risks, challenges and decisions. IOP Publishing Ltd, 2009. p. 042021 (IOP Conference Series: Earth and Environmental Science; No. 6).

    Publication: ResearchConference abstract in proceedings – Annual report year: 2009

  70. Published

    Ecosystem recovery after drought events in our future climate. / Selsted, Merete Bang; Albert, Kristian Rost; Ambus, Per; Michelsen, A.; Ro-Poulsen, H.; Mikkelsen, Teis Nørgaard; Ibrom, Andreas.

    Climate change: Global risks, challenges and decisions. IOP Publishing Ltd, 2009. p. 042029 (IOP Conference Series: Earth and Environmental Science; No. 6).

    Publication: ResearchConference abstract in proceedings – Annual report year: 2009

  71. Published

    Effects of temperature, ultraviolet radiation and pectin methyl esterase on aerobic methane release from plant material. / Bruhn, Dan; Mikkelsen, Teis Nørgaard; Øbro, J.; Willats, W.G.T.; Ambus, Per.

    In: Plant Biology, Vol. 11, No. Suppl.1, 2009, p. 43-48.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  72. Published

    Glycine uptake in heath plants and soil microbes responds to elevated temperature, CO2 and drought. / Andresen, Luise C.; Michelsen, Anders; Jonasson, Sven; Beier, Claus; Ambus, Per.

    In: Acta Oecologica, Vol. 35, No. 6, 2009, p. 786-796.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  73. Published

    Greenhouse gas emissions from cultivation of energy crops - is it important?. / Carter, Mette Sustmann; Ambus, Per.

    In: ICROFSnews, No. 4, 2009, p. 2-3.

    Publication: CommunicationJournal article – Annual report year: 2009

  74. Published

    Greenhouse gas fluxes in a temperate shrub-land under future climatic and environmental conditions. / Carter, Mette Sustmann; Ambus, Per; Priemé, A.; Albert, Kristian Rost; Larsen, Klaus Steenberg; Andersson, M.; Mikkelsen, Teis Nørgaard; Beier, Claus.

    2009. Abstract from NECC and BACCI Conference on Greenhouse Gases and Aerosols, Reykjavik, Iceland.

    Publication: ResearchConference abstract for conference – Annual report year: 2009

  75. Published

    Is organic farming a mitigation option? : A study of N2O emission from winter wheat. / Carter, Mette Sustmann; Albert, Kristian Rost; Ambus, Per.

    2009. Poster session presented at International Scientific Congress on Climate Change, Copenhagen, Denmark.

    Publication: ResearchPoster – Annual report year: 2009

  76. Published

    Klimavenlig majs ved minimas tilførsel af kvælstof. / Ambus, Per.

    In: LandbrugsAvisen, No. 3 april, 2009.

    Publication: CommunicationJournal article – Annual report year: 2009

  77. Published

    Mindre økologisk drivhusgas. / Ambus, Per.

    In: Økologisk Jordbrug, No. 426, 2009.

    Publication: CommunicationJournal article – Annual report year: 2009

  78. Published

    N2O and CH4 fluxes in a temperate heathland under future climatic conditions. / Carter, Mette Sustmann; Ambus, Per; Albert, Kristian Rost; Larsen, K.S.; Andersson, M.; Andresen, L.C.; Mikkelsen, Teis Nørgaard; Beier, Claus.

    Abstracts. 2009.

    Publication: ResearchConference abstract in proceedings – Annual report year: 2009

  79. 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; Jensen, Henning Høgh.

    In: Nutrient Cycling in Agroecosystems, Vol. 84, No. 1, 2009, p. 49-58.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  80. Published

    Nitrogen uptake in temperate heath vegetation and soil microbes is influenced by elevated temperature, CO2 and drought. / Andresen, L.C.; Michelsen, Anders; Johansson, Sven; Beier, Claus; Ambus, Per.

    2009. Poster session presented at BIOGEOMON 2009, University of Helsinki (FI), 29 Jun - 3 Jul, .

    Publication: ResearchPoster – Annual report year: 2009

  81. Published

    Nitrous oxide emissions from forest ecosystems measured by eddy covariance technique. / Pihlatie, M.; Rinne, J.; Lohila, A.; Ambus, Per; Aro, L.; Aurela, M.; Brüggemann, N.; Butterbach-Bahl, K.; Kiese, R.; Lauiainen, S.; Laurila, T.; Mammarella, I.; Minkkinen, K.; Pilegaard, Kim; Schönborn, J.; Tuovinen, J.-P.; Vesala, T.

    2009. Paper presented at ILEAPS/ICOS/NEU Workshop on eddy covariance flux measurements of CH4 and N2O exchanges, Hyytiälä (FI), 8-11 April, .

    Publication: ResearchPaper – Annual report year: 2009

  82. Published

    Nødvendig viden om mark-emissioner for valg af biobrændsel. / Carter, Mette Sustmann; Ambus, Per.

    In: ICROFSnyt, No. 3, 2009, p. 5-6.

    Publication: CommunicationJournal article – Annual report year: 2009

  83. Published

    Pea-barley intercropping and short-term subsequent crop effects across European organic cropping conditions. / Hauggaard-Nielsen, Henrik; Gooding, M.; Ambus, Per; Corre-Hellou, G.; Crozat, Y.; Dahlmann, C.; Dibet, A.; von Fragstein, P.; Pristeri, A.; Monti, M.; Jensen, Erik Steen.

    In: Nutrient Cycling in Agroecosystems, Vol. 85, No. 2, 2009, p. 141-155.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  84. Published

    Pea-barley intercropping for efficient symbiotic N-2-fixation, soil N acquisition and use of other nutrients in European organic cropping systems. / Hauggaard-Nielsen, Henrik; Gooding, M.; Ambus, Per; Corre-Hellou, G.; Crozat, Y.; Dahlmann, C.; Dibet, A.; von Fragstein, P.; Pristeri, Aurelio; Monti, M.; Jensen, Erik Steen.

    In: Field Crops Research, Vol. 113, No. 1, 2009, p. 64-71.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  85. Published

    Production of biomass and bioenergy in organic agriculture and its consequences for soil quality, environment, biodiversity and socio-economy. / Johansen, A.; Hauggaard-Nielsen, Henrik; Ambus, Per; Dalgaard, T.; Jørgensen, U.; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Skytte, Klaus; Smith, J.E.; Thomsen, Anne Belinda; Carter, Mette Sustmann; Jensen, Erik Steen.

    2009. Poster session presented at ALTERNET Workshop : Interlinkage between Biodiversity and Bioenergy, Edinburgh (GB), 20-21 Oct, .

    Publication: ResearchPoster – Annual report year: 2009

  86. Published

    Responses of carbon and water fluxes following drought events in combinations with warming and elevated CO2. / Selsted, Merete Bang; Albert, Kristian Rost; Ambus, Per; Michelsen, A.; Ro-Poulsen, H.; Mikkelsen, Teis Nørgaard; Ibrom, Andreas.

    Oral and Poster Presentations of the BIOGEOMON 2009 Conference (online). Finnish Environment Institute, 2009.

    Publication: ResearchConference abstract in proceedings – Annual report year: 2009

  87. Published

    Soil-atmosphere exchange of carbon in a heath land under future climatic conditions. / Selsted, Merete Bang; Ambus, Per.

    2009. Poster session presented at Marie Curie - iLEAPS Conference, Hyères (FR), 17-20 Nov., .

    Publication: ResearchPoster – Annual report year: 2009

  88. Published

    Soil carbon stocks : Changes in relationship to global change factors and soil management strategies. / Ambus, Per.

    Abstracts. Lyngby (DK) : Technical University of Denmark, 2009. p. 21-21.

    Publication: ResearchConference abstract in proceedings – Annual report year: 2009

  89. Published

    Strip intercropping strategy for biomass to energy production while on the same time maintaining soil fertility. / Hauggaard-Nielsen, Henrik; Jensen, Erik Steen; Carter, Mette Sustmann; Johansen, A.; Ambus, Per.

    Energy conversion from biomass production. NJF, 2009. p. 22-23 (NJF Report, v. 5 no. 3).

    Publication: ResearchArticle in proceedings – Annual report year: 2009

  90. Published
  91. Published

    The newly discovered aerobic methane release from terrestrial vegetation : Causes and consequences. / Bruhn, D.; Ambus, Per; Mikkelsen, Teis Nørgaard.

    2009. Poster session presented at International Scientific Congress on Climate Change, Copenhagen, Denmark.

    Publication: ResearchPoster – Annual report year: 2009

  92. Published

    The newly discovered aerobic methane release from terrestrial vegetation: Causes and consequences. / Bruhn, Dan; Mikkelsen, Teis Nørgaard; Øbro, J.; Willats, W.G.T.; Ambus, Per.

    2009. Paper presented at Fifth International Symposium on Non-CO2 Greenhouse Gases (NCGG-5) Science, Reduction Policy and Implementation, Wageningen (NL), 30 Jun - 3 Jul, .

    Publication: ResearchPaper – Annual report year: 2009

  93. Published

    UV-irradiation induces aerobic methane release from plant material. / Bruhn, Dan; Øbro, Jens; Willats, William G.T.; Mikkelsen, Teis Nørgaard; Ambus, Per.

    2009. Paper presented at 93rd ESA Annual Meeting, Milwaukee, United States.

    Publication: ResearchPaper – Annual report year: 2009

  94. 2008
  95. Published
  96. Published

    CLIMAITE - a three factor climate change ecosystem manipulation experiment. / Mikkelsen, Teis Nørgaard; Beier, Claus; Jonasson, S.; Holmstrup, M.; Schmidt, I.K.; Ambus, Per; Pilegaard, Kim; Michelsen, A.; Albert, Kristian Rost; Andresen, L.C.; Arndal, M.F.; Bruun, N.; Christensen, S.; Danbæk, S.; Gundersen, P.; Jørgensen, P.; Linden, Leon; Kongstad, J.; Maraldo, K.; Primé, A.; Riis-Nielsen, T.; Ro-Poulsen, H.; Stevnbak, K.; Selsted, Merete Bang; Sørensen, P.; Larsen, K.S.; Carter, Mette Sustmann; Ibrom, Andreas; Martinussen, T.; Miglietta, F.; Sverdrup, H.

    Geophysical Research Abstracts. Vol. 10 European Geophysical Union, 2008. p. EGU2008-A-07931.

    Publication: ResearchConference abstract in proceedings – Annual report year: 2008

  97. Published

    Experimental design of multifactor climate change experiments with elevated CO2, warming and drought: the CLIMAITE project. / Mikkelsen, Teis Nørgaard; Beier, Claus; Jonasson, S.; Holmstrup, M.; Schmidt, I.K.; Ambus, Per; Pilegaard, Kim; Michelsen, A.; Albert, Kristian Rost; Andresen, L.C.; Arndal, M.F.; Bruun, N.; Christensen, S.; Danbæk, S.; Gundersen, P.; Jørgensen, Preben; Linden, Leon; Kongstad, J.; Maraldo, K.; Priemé, A.; Riis-Nielsen, T.; Ro-Poulsen, H.; Stevnbak, K.; Selsted, Merete Bang; Sørensen, Poul Therkild; Larsen, Klaus Steenberg; Carter, Mette Sustmann; Ibrom, Andreas; Martinussen, T.; Miglietta, F.; Sverdrup, H.

    In: Functional Ecology, Vol. 22, No. 1, 2008, p. 185-195.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  98. 2007
  99. Published

    Abiotic aerobic methane release from plant material. / Bruhn, Dan; Ambus, Per; Mikkelsen, Teis Nørgaard.

    2007. Poster session presented at Joint Assembly of the American Geophysical Union (AGU), San Francisco, CA, United States.

    Publication: ResearchPoster – Annual report year: 2007

  100. Published

    Canopy emissions of nitrous oxide in upland forests - an overlooked emission pathway?. / Pihlatie, M.; Ambus, P.; Rinne, J.; Pilegaard, Kim; Vesala, T.

    2007. Paper presented at COST-856. Denitrification: A challenge for pure and applied science, Aberdeen, United Kingdom.

    Publication: ResearchPaper – Annual report year: 2007

  101. Published
  102. Published

    Denitrification and N2O losses in a heath-land under changing climate conditions. / Ambus, Per; Selsted, Merete Bang; Carter, Mette Sustmann; Albert, Kristian Rost; Andersson, M.; Larsen, Klaus Steenberg; Priemé, A.; Michelsen, A.; Mikkelsen, Teis Nørgaard; Pilegaard, Kim; Beier, Claus.

    2007. Paper presented at 14. and final meeting of the ESF COST 856 Action on denitrification and related aspects: Achievements of COST 856, Uppsala, Sweden.

    Publication: ResearchPaper – Annual report year: 2007

  103. Published

    Ecosystem-atmosphere exchange of carbon in a heath land under future climatic conditions. / Selsted, Merete Bang; Ibrom, Andreas; Ambus, Per.

    2007. Poster session presented at Symposium on Soil Processes under Extreme Meteorological Conditions, Bayreuth (DE), 25-28 Feb., .

    Publication: ResearchPoster – Annual report year: 2007

  104. Published

    Effect of burning on soil nitrogen cycling and GHG emissions in a macchia ecosystem. / Ambus, P.; Zechmeister-Boltenstern, S.; Kitzler, B.; Butterbach-Bahl, K.; Dannenmann, M.; Brüggemann, N.; Cotrufo, F.; Castaldi, S.; Vaccari, F.P.

    2007. Poster session presented at COST 639 second plenary meeting, Barcelona (ES), .

    Publication: ResearchPoster – Annual report year: 2007

  105. Published

    Effects of climate and management intensity on nitrous oxide emissions in grassland systems across Europe. / Flechard, C.R.; Ambus, Per; Skiba, U.; Rees, R.M.; Hensen, A.; Amstel, A. van; Pol-van Dasselaar, A. van den; Soussana, J.F.; Jones, M.; Clifton-Brown, J.; Raschi, A.; Horvath, L.; Neftel, A.;Jocher; Ammann, C.; Leifeld, J.; Fuhrer, J.; Calanca, P.; Thalman, E.; Pilegaard, Kim; Marco, C. Di; Campbell, C.; Nemitz, E.; Hargreaves, K.J.; Levy, P.E.; Ball, B.C.; Jones, S.K.; Bulk, W.C.M. van de; Groot, T.; Blom, M.; Dominingues, 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.

    In: Agriculture, Ecosystems & Environment, Vol. 121, 2007, p. 135-152.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  106. Published

    Enzymatic evidence for the key role of arginine in nitrogen translocation by arbuscular mycorrhiza fungi. / Cruz, C.; Egsgaard, Helge; Trujillo, C.; Ambus, Per; Requena, N.; Martins-Loucao, M.A.; Jakobsen, Iver.

    In: Plant Physiology, Vol. 144, No. 2, 2007, p. 782-792.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  107. Published

    Full accounting of the greenhouse gas (CO2, N2O, CH4) budget of nine European grassland sites. / Soussana, J.E.; Allard, V.; Pilegaard, Kim; Ambus, Per; Ammann, C.; Campbell, C.L.; Ceschia, E.; Clifton-Brown, J.; Czobel, S. Domingues; Flechard, C.; Fuhrer, J.; Hensen, A.; Horvath, L.; Jones, M.B.; Kasper, G.; Martin, C.; Nagy, Z.; Neftel, A.; Raschi, A.; Baronti, S.; Rees, R.M.; Skiba, U.; Stefani, P.; Manca, G.; Sutton, M.; Tuba, Z.; Valentini, R.

    In: Agriculture, Ecosystems & Environment, Vol. 121, No. 1-2, 2007, p. 121-134.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  108. Published

    Influence of 15N enrichment on the net isotopic fractionation factor during the reduction of nitrate to nitrous oxide in soil. / Mathieu, O.; Levegue, J.; Henault, C.; Ambus, Per; Millouxl, M.J.; Andreaux, F.

    In: Rapid Communications in Mass Spectrometry, Vol. 21, No. 8, 2007, p. 1447-1451.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

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