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

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