Per Ambus

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  1. 2013
  2. Published

    Annual maize and perennial grass-clover strip cropping for increased resource use efficiency and productivity using organic farming practice as a model. / Hauggaard-Nielsen, Henrik; Johansen, Anders; Carter, Mette Sustmann; Ambus, Per; Jensen, Erik Steen.

    In: European Journal of Agronomy, Vol. 47, 2013, p. 55-64.

    Publication: Research - peer-review › Journal article – Annual report year: 2013

  3. 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-review › Journal article – Annual report year: 2013

  4. 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-review › Journal article – Annual report year: 2013

  5. 2012
  6. Published

    Consequences of field N2O emissions for the environmental sustainability of plant-based biofuels produced within an organic farming system. / Carter, Mette Sustmann; Hauggaard-Nielsen, Henrik; Heiske, Stefan; Jensen, Morten; Thomsen, Sune Tjalfe; Schmidt, Jens Ejbye; Johansen, Anders; Ambus, Per.

    In: Global Change Biology. Bioenergy, Vol. 4, No. 4, 2012, p. 435-452.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  7. 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-review › Journal article – Annual report year: 2011

  8. 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-review › Journal article – Annual report year: 2012

  9. 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, Merete Bang; van der Linden, Leon; Ibrom, Andreas; Michelsen, Anders; Larsen, Klaus Steenberg; Pedersen, Jane K.; Mikkelsen, Teis Nørgaard; Pilegaard, Kim; Beier, Claus; Ambus, Per.

    In: Global Change Biology, Vol. 18, No. 4, 2012, p. 1216-1230.

    Publication: Research - peer-review › Journal article – Annual report year: 2012

  10. 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-review › Journal article – Annual report year: 2012

  11. 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: Research › Conference abstract for conference – Annual report year: 2012

  12. 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-review › Journal article – Annual report year: 2012

  13. 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-review › Journal article – Annual report year: 2012

  14. 2011
  15. Published

    Application of biochar to soil and N2O emissions: potential effects of blending fast‐pyrolysis biochar with anaerobically digested slurry. / Bruun, Esben; Müller-Stöver, Dorette Sophie; Ambus, Per; Hauggaard-Nielsen, Henrik.

    In: European Journal of Soil Science, Vol. 62, No. 4, 2011, p. 581-589.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  16. 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; Høgh-Jensen, Henning.

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

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  17. 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-review › Journal article – Annual report year: 2010

  18. 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, Michael; Priemé, Anders; van der Linden, Leon Gareth; Beier, Claus.

    In: Soil Biology & Biochemistry, Vol. 43, No. 8, 2011, p. 1660-1670.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  19. 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: Research › Report – Annual report year: 2012

  20. 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: Research › Conference abstract for conference – Annual report year: 2011

  21. 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.

    In: 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-review › Conference abstract in proceedings – Annual report year: 2011

  22. Published

    Influence of fast pyrolysis temperature on biochar labile fraction and short-term carbon loss in a loamy soil. / Bruun, Esben; Hauggaard-Nielsen, Henrik; Ibrahim, Norazana; Egsgaard, Helge; Ambus, Per; Jensen, Peter Arendt; Dam-Johansen, Kim.

    In: Biomass & Bioenergy, Vol. 35, No. 3, 2011, p. 1182-1189.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  23. 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-review › Journal article – Annual report year: 2011

  24. Published

    Measurement of carbon dioxide fluxes in a free-air carbon dioxide enrichment experiment using the closed flux chamber technique. / Selsted, Merete Bang; Ambus, Per; Michelsen, Anders; Linden, Leon; Larsen, Klaus Steenberg; Pilegaard, Kim; Mikkelsen, Teis Nørgaard; Beier, Claus.

    In: Atmospheric Environment, Vol. 45, No. 1, 2011, p. 208-214.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  25. 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-review › Journal article – Annual report year: 2011

  26. E-pub ahead of print

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

    In: Plant and Soil, 2011.

    Publication: Research - peer-review › Editorial – Annual report year: 2011

  27. 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: Research › Conference abstract for conference – Annual report year: 2011

  28. 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-review › Journal article – Annual report year: 2010

  29. 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-review › Journal article – Annual report year: 2011

  30. 2010
  31. 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-63(EN)).

    Publication: Research › Ph.d. thesis – Annual report year: 2010

  32. 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-review › Journal article – Annual report year: 2010

  33. 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-review › Journal article – Annual report year: 2010

  34. 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: Research › Conference abstract for conference – Annual report year: 2010

  35. 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-review › Journal article – Annual report year: 2010

  36. 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-review › Journal article – Annual report year: 2010

  37. 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: Research › Poster – Annual report year: 2010

  38. 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-review › Journal article – Annual report year: 2010

  39. Published

    Relating N2O emissions from energy crops to the avoided fossil fuel-derived CO2 - a study on bioethanol and biogas produced from rganically managed maize, rye, vetch and grass-clover. / Carter, Mette Sustmann; Hauggaard-Nielsen, Henrik; Thomsen, Sune Tjalfe; Heiske, Stefan; Jensen, Morten; Schmidt, Jens Ejbye; Johansen, A.; Ambus, Per.

    2010. Abstract from GHG Europe Workshop on Bioenergy, Dublin (IE), 27-29 Oct, .

    Publication: Research › Conference abstract for conference – Annual report year: 2010

  40. 2009
  41. 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: Research › Poster – Annual report year: 2009

  42. 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-review › Journal article – Annual report year: 2009

  43. 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: Research › Poster – Annual report year: 2009

  44. 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-review › Journal article – Annual report year: 2009

  45. 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: Research › Poster – Annual report year: 2009

  46. 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.

    In: Abstracts. American Society for Mass Spectrometry, 2009.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2009

  47. Published

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

    In: 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: Research › Article in proceedings – Annual report year: 2009

  48. Published

    Biomass and bioenergy production in organic agriculture : Consequences for soil fertility, environment, spread of animal parasites and socio-economy. / Schmidt, Jens Ejbye; Oleskowicz-Popiel, Piotr; Ambus, Per; Carter, Mette Sustmann; Dalgaard, T.; Hauggaard-Nielsen, Henrik; Johansen, A.; Bangsø Nielsen, Henrik; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Thomsen, Anne Belinda; Thomsen, Mette Hedegaard; Østergård, Hanne.

    2009. Poster session presented at 1st Nordic Organic Conference, Göteborg, Sweden.

    Publication: Research › Poster – Annual report year: 2009

  49. 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-review › Journal article – Annual report year: 2009

  50. 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: Research › Poster – Annual report year: 2009

  51. 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: Research › Paper – Annual report year: 2009

  52. Published

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

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

    Publication: Research › Article in proceedings – Annual report year: 2009

  53. 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: Research › Poster – Annual report year: 2009

  54. 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: Research › Paper – Annual report year: 2009

  55. 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: Research › Paper – Annual report year: 2009

  56. 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.

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

    Publication: Research › Conference abstract in proceedings – Annual report year: 2009

  57. 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.

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

    Publication: Research › Conference abstract in proceedings – Annual report year: 2009

  58. 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-review › Journal article – Annual report year: 2009

  59. 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-review › Journal article – Annual report year: 2009

  60. 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: Communication › Journal article – Annual report year: 2009

  61. 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 (IS), 16-18 June, .

    Publication: Research › Conference abstract for conference – Annual report year: 2009

  62. 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: Research › Poster – Annual report year: 2009

  63. Published

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

    In: LandbrugsAvisen, No. 3 april, 2009.

    Publication: Communication › Journal article – Annual report year: 2009

  64. Published

    Mindre økologisk drivhusgas. / Ambus, Per.

    In: Økologisk Jordbrug, No. 426, 2009.

    Publication: Communication › Journal article – Annual report year: 2009

  65. 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.

    In: Abstracts. 2009.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2009

  66. 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; Høgh-Jensen, H.

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

    Publication: Research - peer-review › Journal article – Annual report year: 2009

  67. 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: Research › Poster – Annual report year: 2009

  68. 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: Research › Paper – Annual report year: 2009

  69. Published

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

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

    Publication: Communication › Journal article – Annual report year: 2009

  70. 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-review › Journal article – Annual report year: 2009

  71. 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-review › Journal article – Annual report year: 2009

  72. 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: Research › Poster – Annual report year: 2009

  73. 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.

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

    Publication: Research › Conference abstract in proceedings – Annual report year: 2009

  74. 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: Research › Poster – Annual report year: 2009

  75. Published

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

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

    Publication: Research › Conference abstract in proceedings – Annual report year: 2009

  76. 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.

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

    Publication: Research › Article in proceedings – Annual report year: 2009

  77. Published

    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.; Germont, Florent; Aveline, A.; Hauggaard-Nielsen, Henrik; Ambus, Per; Jensen, Erik Steen.

    In: Soil Biology & Biochemistry, Vol. 41, No. 2, 2009, p. 380-387.

    Publication: Research - peer-review › Journal article – Annual report year: 2009

  78. 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: Research › Poster – Annual report year: 2009

  79. 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: Research › Paper – Annual report year: 2009

  80. 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: Research › Paper – Annual report year: 2009

  81. 2008
  82. Published

    BioConcens: Biomass and bioenergy production agriculture - eonsequences for soil fertility, environment, spread of animal parasites and socio-economy. / Oleskowicz-Popiel, Piotr; Ambus, Per; Carter, Mette Sustmann; Dalgaard, Tommy; Hauggaard-Nielsen, Henrik; Johansen, A.; Nielsen, H.B.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Schmidt, Jens Ejbye; Thomsen, Anne Belinda; Thomsen, Mette Hedegaard; Jensen, Erik Steen.

    In: Proceedings. ADMED-IWA, 2008.

    Publication: Research › Article in proceedings – Annual report year: 2008

  83. 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.

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

    Publication: Research › Conference abstract in proceedings – Annual report year: 2008

  84. 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-review › Journal article – Annual report year: 2008

  85. 2007
  86. 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: Research › Poster – Annual report year: 2007

  87. 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: Research › Paper – Annual report year: 2007

  88. Published

    Combined effects of drought, temperature and CO2 on GHG emissions from temperate shrub-land. / Ambus, Per; Selsted, Merete Bang; Carter, Mette Sustmann; Albert, Kristian Rost; Andersson, M.; Larsen, Klaus Steenberg; Michelsen, A.; Mikkelsen, Teis Nørgaard; Pilegaard, Kim; Beier, Claus.

    2007. Paper presented at COST 639 plenary meeting, Vienna, Austria.

    Publication: Research › Paper – Annual report year: 2007

  89. 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: Research › Paper – Annual report year: 2007

  90. 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: Research › Poster – Annual report year: 2007

  91. 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: Research › Poster – Annual report year: 2007

  92. 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-review › Journal article – Annual report year: 2007

  93. 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-review › Journal article – Annual report year: 2007

  94. 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-review › Journal article – Annual report year: 2007

  95. 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-review › Journal article – Annual report year: 2007

  96. Published

    Intercropping of cereals and grain legumes for increased production, weed control, improved product quality and prevention of N-losses in European organic farming systems. / Jensen, Erik Steen; Ambus, Per; Bellostas, N.; Boisen, S.; Brisson, N.; Corre-Hellou, G.; Crozat, Y.; Dahlmann, C.; Dibet, A.; Fragstein, P. von; Gooding, M.; Hauggaard-Nielsen, Henrik; Kasyanova, E.; Launay, M.; Monti, M.; Pristeri, A.

    In: Proceedings. ed. / C.B. Andreasen; L. Elsgaard; L.S. Sørensen; G. Hansen. Tjele : Danish Research Centre for Organic Food and Farming, DARCOF, 2007. p. 180-181.

    Publication: Research › Article in proceedings – Annual report year: 2007

  97. Published

    Intercropping of pea and barley for increased production, weed control, improved product quality and prevention of nitrogen-losses in European organic farming systems. / Hauggaard-Nielsen, Henrik; Ambus, Per; Bellostas, N.; Boisen, S.; Brisson, N.; Corre-Hellou, G.; Crozat, Y.; Dahlmann, C.; Dibet, A.; Fragstein, P. von; Gooding, M.; Kasyanova, E.; Launay, M.; Monti, M.; Pristeri, A.; Jensen, Erik Steen.

    In: Book of proceedings, part III. ed. / M. Fotyma; B. Kaminska. Pulawy : Institute of Soil Science and Plant Cultivation, State Research Institute, Department of Plant Nutrition and Fertilization, 2007. p. 53-60 (Bibliotheca Fragmenta Agronomica, vol. 11).

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2007

  98. Published

    Klimaændringer og processer og funktion i terrestriske økosystemer. / Schmidt, I.K.; Beier, Claus; Kongstad, J.; Andresen, L.; Michelsen, A.; Albert, Kristian Rost; Ambus, Per; Selsted, M.; Maraldo, K.; Holmstrup, M.; Arndal, M.; Mikkelsen, Teis Nørgaard; Ro-Poulsen, H.; Jonassen, S.; Karsten, R.J.

    In: Flora og Fauna, Vol. 113, 2007, p. 117-128.

    Publication: Research - peer-review › Journal article – Annual report year: 2007

  99. Published

    Natural 15N abundance of soil N pools and N2O reflect the nitrogen dynamics of forest soils. / Pörtl, K.; Zechmeister-Boltenstern, S.; Wanek, W.; Ambus, Per; Berger, T.W.

    In: Plant and Soil, Vol. 295, No. 1-2, 2007, p. 79-94.

    Publication: Research - peer-review › Journal article – Annual report year: 2007

  100. Published

    Økologisk bioenergi og drivhusgas. / Ambus, Per.

    In: Økologisk Jordbrug, No. 396, 2007.

    Publication: Communication › Journal article – Annual report year: 2007

  101. Published

    Pea-barley intercropping for the control of weeds in European organic cropping systems. / Dibet, A.; Hauggaard-Nielsen, Henrik; Kasyanova, E.; Ruske, R.; Gooding, M.; Pristeri, A.; Monti, M.; Dahlmann, C.; Fragstein, P. von; Ambus, Per; Jensen, Erik Steen; Crozat, Y.

    In: Proceedings. ed. / C.B. Andreasen; L. Elsgaard; L.S. Sørensen; G. Hansen. Tjele : Danish Research Centre for Organic Food and Farming, DARCOF, 2007. p. 258-259.

    Publication: Research › Article in proceedings – Annual report year: 2007

  102. Published

    Pea-barley intercrops use nitrogen sources 20-30% more efficiently than the sole crops. / Hauggaard-Nielsen, Henrik; Ambus, Per; Brisson, N.; Crozat, Y.; Dahlmann, C.; Dibet, A.; Fragstein, P. von; Gooding, M.; Kasyanova, E.; Launay, M.; Monti, M.; Pristeri, A.; Jensen, Erik Steen.

    In: Proceedings. ed. / C.B. Andreasen; L. Elsgaard; L.S. Sørensen; G. Hansen. Tjele : Danish Research Centre for Organic Food and Farming, DARCOF, 2007. p. 206-207.

    Publication: Research › Article in proceedings – Annual report year: 2007

  103. Published

    Short-term carbon and nitrogen cycling in urine patches assessed by combined carbon-13 and nitrogen-15 labelling. / Ambus, Per; Petersen, S.O.; Soussana, J.F.

    In: Agriculture, Ecosystems & Environment, Vol. 121, 2007, p. 84-92.

    Publication: Research - peer-review › Journal article – Annual report year: 2007

  104. 2006
  105. Published

    Biologically fixed N2 as a source for N2O production in a grass–clover mixture, measured by 15N2 (erratum i vol. 74 p. 203). / Carter, Mette Sustmann; Ambus, P.

    In: Nutr. Cycl. Agroecosyst., Vol. 74, 2006, p. 13-26.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  106. Published

    Climaite - a three factor climate change ecosystem manipulation study: Set up and approaches for data analysis. / Mikkelsen, Teis Nørgaard; Beier, C.; Kappel Schhmidt, I.; Michelsen, A.; Albert, K.R.; Ambus, P.; Andersen, K.

    2006. Abstract from 91. Ecological Society of America annual meeting, Memphis, TN (US), 6-11 Aug, .

    Publication: Research › Conference abstract for conference – Annual report year: 2006

  107. Published

    Ecosystem-atmosphere exchange of carbon in a heath land under future climatic conditions. / Selsted, M.B.; Ambus, P.

    2006. Abstract from EPRECOT, Helsingør (DK), 22-25 May, .

    Publication: Research › Conference abstract for conference – Annual report year: 2006

  108. Published

    Enzymatic evidence for the key role of arginine in nitrogen translocation by arbuscular mycorrhizal fungi. / Cruz, C.; Egsgaard, H.; Trujillo, C.; Ambus, P.; Requena, N.; Martins-Loucao, M.A.; Jakobsen, I.

    2006. Abstract from 5th International Conference on Mycorrhiza, Granada, Spain.

    Publication: Research › Conference abstract for conference – Annual report year: 2006

  109. Published

    Factors controlling regional differences in forest soil emission of nitrogen oxides (NO and N2O). / Pilegaard, K.; Skiba, U.; Ambus, P.; Beier, C.; Brüggemann, 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.

    In: Biogeosciences, Vol. 3, No. 4, 2006, p. 651-661.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  110. Published

    Methane oxidation in pig and cattle slurry storages, and effects of surface crust moisture and methane availability. / Petersen, S.O.; Ambus, P.

    In: Nutr. Cycl. Agroecosyst., Vol. 74, 2006, p. 1-11.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  111. Published

    Sources of nitrous oxide emitted from European forest soils. / Ambus, P.; Zechmeister-Boltenstern, S.; Butterbach-Bahl, K.

    In: Biogeosciences, Vol. 3, No. 2, 2006, p. 135-145.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  112. Published

    Stabilization and plant uptake of N from 15N-labelled pea residue 16.5 years after incorporation in soil. / Laberge, G.; Ambus, P.; Hauggaard-Nielsen, H.; Jensen, E.S.

    In: Soil Biology & Biochemistry, Vol. 38, No. 7, 2006, p. 1998-2000.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  113. Published

    The Biological Time Machine - Biological responses to multiple environmental and climatic changes, environment and stress. / Albert, K.R.; Ro-Poulsen, H.; Mikkelsen, Teis Nørgaard; Michelsen, A.; Beier, C.; Jonasson, S.; Pilegaard, K.; Ambus, P.; Kappel Schmidt, J.; Holmstrup, M.; Primé, A.; Christensen, S.

    2006. Abstract from PhD Symposium at KVL, Copenhagen (DK), Oct., .

    Publication: Research › Conference abstract for conference – Annual report year: 2006

  114. Published

    The effect of increased n deposition on nitrous oxide, methane and carbon dioxide fluxes from unmanaged forest and grassland communities in Michigan. / Ambus, P.; Robertson, G.P.

    In: Biogeochemistry, Vol. 79, No. 3, 2006, p. 315-337.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  115. Published

    The thermal history of char as disclosed by carbon isotope ratios. / Egsgaard, H.; Ambus, P.; Ahrenfeldt, J.; Henriksen, U.B.

    In: Proceedings (CD-ROM). Florence : ETA-Renewable Energies, 2006. p. 896-898.

    Publication: Research › Article in proceedings – Annual report year: 2006

  116. 2005
  117. Published

    A comparative study of nitrous oxide emissions from a grazed pasture and an arable field in Ireland. / Ambus, P.

    2005. Abstract from CarboEurope meeting, Dublin, Ireland.

    Publication: Research › Conference abstract for conference – Annual report year: 2005

  118. Published

    Biomass production, symbiotic nitrogen fixation and inorganic N use in dual tri-component annual intercrops. / Andersen, M.K.; Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Plant and Soil, Vol. 266, No. 1-2, 2005, p. 273-287.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  119. Published

    From N2 fixation to N2O emission in a grass-clover pasture (poster). / Thyme, M.; Ambus, P.

    In: Controlling nitrogen flows and losses. ed. / D.J. Hatch; D.R. Chadwick; S.C. Jarvis; J.A. Roker. Wageningen : Wageningen Academic Publishers, 2005. p. 365-366.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2005

  120. Published

    Inventories of N2O and NO emissions from European forest soils. / Kesik, M.; Ambus, Per; Baritz, R.; Brüggemann, 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.; Versala, T.; Zechmeister-Boltenstern, S.

    In: Biogeosciences, Vol. 2, No. 4, 2005, p. 353-375.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  121. Published

    Kløvergræsmarker modvirker drivhuseffekten. / Carter, M.S.; Ambus, P.

    In: FØJOenyt, No. 6, 2005, p. vp.

    Publication: Communication › Journal article – Annual report year: 2005

  122. Published

    Nitrous oxide emissions from a beech forest floor measured by eddy covariance and soil enclosure techniques. / Pihlatie, M.; Rinne, J.; Ambus, P.; Pilegaard, K.; Dorsey, J.R.; Rannik, Ü.; Markkanen, T.; Launiainen, S.; Vesala, T.

    In: Biogeosciences, Vol. 2, No. 4, 2005, p. 377-387.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  123. Published

    Nitrous oxide emissions from beech leaves. / Pihlatie, M.; Ambus, P.; Rinne, J.; Pilegaard, K.; Vesala, T.

    In: Geophys. Res. Abstr. (CD-ROM), Vol. 7, 2005.

    Publication: Research › Journal article – Annual report year: 2005

  124. Published

    Oxidation of 13C-labeled methane in surface crusts of pig- and cattle slurry. / Ambus, P.; Petersen, S.O.

    In: Isot. Environ, Health Studies, Vol. 41, 2005, p. 125-133.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  125. Published

    Pan-European #delta# 13C 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.; Grünwald, T.; Havrankova, K.; Janous, D.; Janssens, I.A.; Knohl, A.; Östner, B.K.; Kowalski, A.; Laurila, T.; Mata, C.; Marcolla, B.; Matteucci, G.; Moncrieff, J.; Moors, E.J.; Osborne, B.; Pereira, J.S.; Pihlatie, M.; Pilegaard, K.; Ponti, F.; Rosova, Z.; Rossi, F.; Scartazza, A.; Vesala, T.

    In: Global Change Biol., Vol. 11, 2005, p. 1065-1093.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  126. Published

    Plant-mediated nitrous oxide emissions from beech (¤Fagus sylvatica¤) leaves. / Pihlatie, M.; Ambus, P.; Rinne, J.; Pilegaard, K.; Vesala, T.

    In: New Phytol., Vol. 168, 2005, p. 93-98.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  127. Published

    Relationship between gross nitrogen cycling and nitrous oxide emission in grass-cliver pasture. / Ambus, P.

    In: Nutr. Cycl. Agroecosyst., Vol. 72, 2005, p. 189-199.

    Publication: Research - peer-review › Journal article – Annual report year: 2005

  128. Published

    Sources of nitrous oxide production among European coniferous and deciduous forest types. / Ambus, P.; Zechmeister-Boltenstern, S.

    In: Geophys. Res. Abstr. (CD-ROM), Vol. 7, 2005.

    Publication: Research › Journal article – Annual report year: 2005

  129. Published

    The thermal history of char as disclosed by carbon isotope ratios (poster). / Egsgaard, H.; Ambus, P.; Ahrenfeldt, J.; Henriksen, U.B.

    2005. Poster session presented at 14th European Biomass Conference, Paris, France.

    Publication: Research › Poster – Annual report year: 2005

  130. Published

    The urea cycle at work in ¤Glomus intraradices¤. / Jakobsen, I.; Cruz, C.; Trujillo, C.; Ambus, P.; Engvild, K.C.; Requena, N.; Martins-Loucao, M.A.; Egsgaard, H.

    2005. Abstract from COST 8.38 meeting: Achievements and future landscape for arbuscular mycorrhiza research, Dijon (FR), 2-4 Jun, .

    Publication: Research › Conference abstract for conference – Annual report year: 2005

  131. 2004
  132. Published

    Annual greenhouse gas balance of European grasslands. First results from GreenGrass. / Soussana, J.F.; Pilegaard, K.; Ambus, P.

    2004. Abstract from Greenhouse gas emissions from agriculture - mitigation options and strategies, Freiburg (FR), 4-12 Sep, .

    Publication: Research › Conference abstract for conference – Annual report year: 2004

  133. Published

    Assessing the use of delta C-13 natural abundance in separation of root and microbial respiration in a Danish beech (¤Fagus Sylvatica¤ L.) forest. / Formanek, P.; Ambus, P.

    In: Rapid Communications in Mass Spectrometry, Vol. 18, No. 8, 2004, p. 897-902.

    Publication: Research - peer-review › Journal article – Annual report year: 2004

  134. Published

    CLIMAITE - CLIMAte change effects on biological processes In Terrestrial Ecosystems. A new Danish global change experiment (poster). / Mikkelsen, Teis Nørgaard; Beier, C.; Ambus, P.; Pilegaard, K.; Jonasson, S.; Michelsen, A.; Ro-Poulsen, H.; Priemé, A.; Christensen, S.; Schmidt, I.K.; Gundersen, P.; Holmstrup, M.

    2004. Poster session presented at 26th Annual Air Pollution Workshop, Rhinelander, WI, United States.

    Publication: Research › Poster – Annual report year: 2004

  135. Published

    Comparison of N fluxes in soils of different forest types - 15-N labelling experiment and natural abundance measurements. / Pörtl, K.; Zechmeister-Boltenstern, S.; Berger, T.W.; Ambus, P.; Wanek, W.

    2004. Abstract from JESUIM - Stable isotope conference, Vienna (AT), 30 Aug - 3 Sep, .

    Publication: Research › Conference abstract for conference – Annual report year: 2004

  136. Published

    Exchange of NOx and O3 with European forest ecosystems - canopy scale measurements. / Dorsey, J.R.; Gallagher, M.W.; Pilegaard, K.; Ambus, P.; Pihlatie, M.; Whitehead, J.D.

    In: Geophys. Res. Abstr. (CD-ROM), Vol. 6, 2004.

    Publication: Research › Journal article – Annual report year: 2004

  137. Published

    Freeze-thaw regime effects on carbon and nitrogen dynamics in sub-arctic heath tundra mesocosms. / Grogan, P.; Michelsen, A.; Ambus, P.; Jonasson, S.

    In: Soil Biology & Biochemistry, Vol. 36, No. 4, 2004, p. 641-654.

    Publication: Research - peer-review › Journal article – Annual report year: 2004

  138. Published

    Microbial processes and nitrogen oxides emissions from forest soils. / Zechmeister-Boltenstern, S.; Schindlbacher, A.; Ambus, P.; Butterbach-Bahl, K.

    2004. Abstract from Eurosoil 2004, Freiburg, France.

    Publication: Research › Conference abstract for conference – Annual report year: 2004

  139. Published

    Nitrogen oxides emissions in relation to microbial parameters at 13 European forest sites. / Zechmeister-Boltenstern, S.; Schindlbacher, A.; Ambus, P.; Butterbach-Bahl, K.

    2004. Abstract from EGU General Assembly 2004, Nice (FR), 25-30 Apr, .

    Publication: Research › Conference abstract for conference – Annual report year: 2004

  140. Published

    Nitrous oxide emissions from North European forest ecosystems measured by Eddy covariance and enclosure techniques. / Pihlatie, M.; Rinne, J.; Ambus, P.; Aro, L.; Dorsey, J.; Laurila, T.; Lohila, A.-L.; Pilegaard, K.; Vesala, T.

    In: Geophys. Res. Abstr. (CD-ROM), Vol. 6, 2004.

    Publication: Research › Journal article – Annual report year: 2004

  141. Published

    N2O emission from grass-clover swards is largely unaffected by recently fixed N2. / Thyme, M.; Ambus, P.

    In: DARCOFenews, No. 1, 2004.

    Publication: Communication › Journal article – Annual report year: 2004

  142. Published

    Photorespiration contributes to stomatal regulation and carbon isotope fractionation: A study with barley, potato and Arabidopsis plants deficient in glycine decarboxylase. / Igamberdiev, A.U.; Mikkelsen, Teis Nørgaard; Ambus, P.; Bauwe, H.; Lea, P.J.; Gardeström, P.

    In: Photosynth. Res., Vol. 81, 2004, p. 139-152.

    Publication: Research - peer-review › Journal article – Annual report year: 2004

  143. Published

    Short term losses in urine patches: A 15N labelling study. / Ambus, P.

    2004. Abstract from International conference on greenhouse gas emissions from agriculture - mitigation options and strategies, Leipzig (DE), 10-12 Feb, .

    Publication: Research › Conference abstract for conference – Annual report year: 2004

  144. 2003
  145. Published

    Assessing the use of d13C natural abundance in separation of root and microbial respiration in a Danish beech (¤Fagus sylvatica¤ L.) forest. / Formanek, P.; Ambus, P.

    2003. Abstract from 10. Canadian continuous-flow isotope ratio mass spectrometry workshop, Winnipeg (CA), 10-13 Aug, .

    Publication: Research › Conference abstract for conference – Annual report year: 2003

  146. Published

    Biodegradation of chlorinated solvents in a water unsaturated topsoil. / Borch, T.; Ambus, P.; Laturnus, F.; Svensmark, B.; Grøn, C.

    In: Chemosphere, Vol. 51, No. 2, 2003, p. 143-152.

    Publication: Research - peer-review › Journal article – Annual report year: 2003

  147. Published

    Field measurements of atmosphere-biosphere interactions in a Danish beech forest. / Pilegaard, K.; Mikkelsen, Teis Nørgaard; Beier, C.; Jensen, N.O.; Ambus, P.; Ro-Poulsen, H.

    In: Boreal Environ. Res., Vol. 8, 2003, p. 315-333.

    Publication: Research - peer-review › Journal article – Annual report year: 2003

  148. Published

    From N2 fixation to N2O emission in a grass-clover pasture (poster). / Thyme, M.; Ambus, P.

    2003. Poster session presented at 12th N workshop ' Controlling N flows and losses', Exeter, United Kingdom.

    Publication: Research › Poster – Annual report year: 2003

  149. Published

    Nitrous oxide fluxes from a beech forest floor measured by eddy covariance and soil enclosure techniques. / Pihlatie, M.; Rinne, J.; Ambus, P.; Pilegaard, K.; Dorsey, J.; Rannik, Ü.; Vesala, T.

    2003. Abstract from ILEAPS: Integrated Land Ecosystem - Atmosphere Processes Study. International open science conference, Helsinki (FI), 29 Sep - 3 Oct, .

    Publication: Research › Conference abstract for conference – Annual report year: 2003

  150. Published

    Redistribution of slurry components as influenced by injection method, soil, and slurry properties. / Petersen, S.O.; Nissen, H.H.; Lund, I.; Ambus, P.

    In: J. Environ. Qual., Vol. 32, 2003, p. 2399-2409.

    Publication: Research - peer-review › Journal article – Annual report year: 2003

  151. Published

    The arginine translocation hypothesis: Advanced mass spectrometry for studying the uptake and assimilation of NH4+ in ¤Glomus intraradices¤. / Jakobsen, I.; Trujillo, C.; Ambus, P.; Requena, N.; Egsgaard, H.

    2003. Abstract from 4th International Conference on Mycorrhizas, Montreal, Canada.

    Publication: Research › Conference abstract for conference – Annual report year: 2003

  152. Published

    The comparison of nitrogen use and leaching in sole cropped versus intercropped pea and barley. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Nutr. Cycl. Agroecosyst., Vol. 65, 2003, p. 289-300.

    Publication: Research - peer-review › Conference article – Annual report year: 2003

  153. 2002
  154. Published

    Evaluating effects of sewage sludge and household compost on soil physical, chemical and microbiological properties. / Debosz, K.; Petersen, S.O.; Kure, L.K.; Ambus, P.

    In: Applied Soil Ecology, Vol. 19, No. 3, 2002, p. 237-248.

    Publication: Research - peer-review › Journal article – Annual report year: 2002

  155. Published

    Greenhouse gas emission from agricultural and forest soils. / Ambus, P.

    2002. Abstract from PLE-symposium on climate change and plant-ecosystem interactions, Risø (DK), 21 Mar, .

    Publication: Research › Conference abstract for conference – Annual report year: 2002

  156. Published

    Gross N transformation rates after application of household compost or domestic sewage sludge to agricultural soil. / Ambus, P.; Kure, L.K.; Jensen, E.S.

    In: Agronomie, Vol. 22, No. 7-8, 2002, p. 723-730.

    Publication: Research - peer-review › Conference article – Annual report year: 2002

  157. Published

    Natural carbon isotopes used to study methane consumption and production in soil. / Ambus, Per; Andersen, Bertel Lohmann; Kemner, Marianne; Sorensen, B.; Wille, J.

    In: Isotopes in environmental and health studies, Vol. 38, No. 3, 2002, p. 149-157.

    Publication: Research - peer-review › Journal article – Annual report year: 2002

  158. Published

    Photorespiration contributes to stomatal regulation and carbon isotope fractionation. A study with barley, potato and Arabidopsis plants deficient in the glycine decarboxylase. / Igamberdiev, A.U.; Mikkelsen, Teis Nørgaard; Ambus, P.; Gardeström, P.

    2002. Abstract from 6. International congress on plant respiration, Perth (AU), 10-14 Jul, .

    Publication: Research › Conference abstract for conference – Annual report year: 2002

  159. Published

    Production of N2O in grass-clover pastures. / Thyme, M.; Ambus, P.

    In: Non-CO2 greenhouse gases: Scientific understanding control options and policy aspects. ed. / J. van Ham; A.P.M. Baede; R. Guicherit; J.G.F.M. Williams-Jacobse. Rotterdam : Millpress, 2002. p. 149-150.

    Publication: Research › Article in proceedings – Annual report year: 2002

  160. Published

    Sources of N2O in organic grass clover-pastures. / Ambus, P.

    2002. Abstract from NJF seminar no. 342: Agricultural soils and greenhouse gases in cool-temperate climate, Reykholt (IS), 31 Jul - 3 Aug, .

    Publication: Research › Conference abstract for conference – Annual report year: 2002

  161. Published

    Undersøgelse af kvælstofbinding og lattergas fra kløvergræsmarker. / Ambus, P.

    In: Økologisk Jordbrug, No. 265, 2002.

    Publication: Communication › Journal article – Annual report year: 2002

  162. 2001
  163. Published

    Assessment of CH4 and N2O fluxes in a Danish Beech (¤Fagus sylvatica¤) forest and an adjacent N-fertilised barley (¤Hordeum vulgare¤). / Ambus, P.; Jensen, J.M.; Prieme, A.; Pilegaard, K.; Kjøller, A.

    In: Nutr. Cycl. Agroecosyst., Vol. 60, 2001, p. 15-21.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  164. Published

    Crop residue management strategies to reduce N-losses - Interaction with crop N supply. / Ambus, P.; Jensen, E.S.

    In: Commun. Soil Sci. Plant Anal., Vol. 32, 2001, p. 981-996.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  165. Published

    Degradation and plant uptake of organic contaminants in spiked soils and in soils treated with organic waste products. / Mortensen, G.K.; Kure, L.K.; Ambus, P.; Laturnus, F.; Grøn, C.

    2001. Abstract from Organic soil contaminants 2001. SETAC Europe conference, Copenhagen (DK), 2-5 Sep, .

    Publication: Research › Conference abstract for conference – Annual report year: 2001

  166. Published

    Denmark (DK). / Ambus, P.; Sørensen, F.L.; Lillelund, D.; Gissel Nielsen, G.

    In: Nutrient management legislation in European countries. ed. / P. De Clercq; A.C. Gertsis; G. Hofman; S.C. Jarvis; J.J. Neeteson; F. Sinabell. Wageningen : Wageningen Pers, 2001. p. 79-98.

    Publication: Research - peer-review › Book chapter – Annual report year: 2001

  167. Published

    Fluxes of NO#3-#, NH#4+#, NO, NO2, and N2O in an old Danish beech forest. / Beier, C.; Rasmussen, L.; Pilegaard, K.; Ambus, P.; Mikkelsen, T.; Jensen, N.O.; Kjøller, A.; Priemé, A.; Ladekarl, U.L.

    In: Water Air Soil Pollut. Focus, Vol. 1, No. 1, 2001, p. 187-195.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  168. Published

    Gross N transformations after applications of domestic sewage sludge and household compost on agricultural soils. / Ambus, P.; Kure, L.K.; Jensen, E.S.

    In: Book of abstracts. Reims : Institut National de Recherche Agronomique, 2001. p. 19-20.

    Publication: Research › Conference abstract in proceedings – Annual report year: 2001

  169. Published

    Influence of plant growth on degradation of linear alkylbenzene sulfonate in sludge-amended soil. / Mortensen, G.K.; Egsgaard, H.; Ambus, P.; Jensen, E.S.; Grøn, C.

    In: J. Environ. Qual., Vol. 30, 2001, p. 1266-1270.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  170. Published

    Interspecific competition, N use and interference with weeds in pea-barley intercropping. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Field Crop Res., Vol. 70, 2001, p. 101-109.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  171. Published

    Klimaforandringers effekt på det globale kulstofkredsløb. / Mikkelsen, Teis Nørgaard; Beier, C.; Ambus, P.; Bruhn, D.; Pilegaard, K.

    In: Risønyt, No. 4 (temanummer om bioproduktion), 2001, p. 8-13.

    Publication: Communication › Journal article – Annual report year: 2001

  172. Published

    Nedbrydning af miljøfremmede stoffer i jord-plantesystemer og optag i planter. / Mortensen, G.K.; Kure, L.K.; Ambus, P.; Laturnus, F.; Grøn, C.

    In: Miljøforskning. Det Strategiske Miljøforskningsprogram, No. 49, 2001, p. 9-11.

    Publication: Communication › Journal article – Annual report year: 2001

  173. Published

    Nitrous oxide and N-leaching losses from agricultural soil: Influence of crop residue particle size, quality and placement. / Ambus, P.; Jensen, E.S.; Robertson, G.P.

    In: Phyton. Annales Rei Botanicae, Vol. 41, No. 3, 2001, p. 7-15.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  174. Published

    Plant uptake of LAS and DEHP from sludge amended soil. / Grøn, C.; Laturnus, F.; Mortensen, G.K.; Egsgaard, H.; Samsøe-Petersen, L.; Ambus, P.; Jensen, E.S.

    In: Persistent, bioaccumulative, and toxic chemicals. Vol. 1. Fate and exposure. ed. / R.L. Lipnick; J.L.M. Hermens; K. Jones; D.C.G. Muir. Vol. 772 Washington, DC : American Chemical Society, 2001. p. 99-111 (ACS Symposium Series, 772).

    Publication: Research - peer-review › Book chapter – Annual report year: 2001

  175. Published

    Temporal and spatial distribution of roots and competition for nitrogen in pea-barley intercrops - a field study employing P-32 technique. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Plant and Soil, Vol. 236, No. 1, 2001, p. 63-74.

    Publication: Research - peer-review › Journal article – Annual report year: 2001

  176. Published

    Uptake and metabolization of sewage sludge associated organic contaminants in crop plants. / Kure, L.K.; Mortensen, G.K.; Ambus, P.

    2001. Abstract from Organic soil contaminants 2001. SETAC Europe conference, Copenhagen (DK), 2-5 Sep, .

    Publication: Research › Conference abstract for conference – Annual report year: 2001

  177. 2000
  178. Published

    A 15N pool dilution approach to measure field gross N transformations following applications of domestic sludge and compost on to soils. / Ambus, P.; Kure, L.K.; Jensen, E.S.

    2000. Abstract from FAO/IAEA Symposium on Nuclear Techniques in Integrated Plant Nutrient, Water and Soil Management, Vienna, Austria.

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  179. Published

    Degradation of chlorinated solvents in unsaturated soils. / Borch, T.; Ambus, P.; Laturnus, F.; Svensmark, B.; Grøn, C.

    In: Contaminated soil 2000. Proceedings. Vol. 2. London : Thomas Telford, 2000. p. 767-768.

    Publication: Research › Article in proceedings – Annual report year: 2000

  180. Published

    Fluxes of CH4 and N2O from soils with accelerated inputs of C and N: Influence of sewage sludge and inorganic fertilizer. / Ambus, P.

    2000. Abstract from Meeting at Environmental Institute, Joint Research Centre, Ispra (IT), 24-25 Feb, .

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  181. Published

    Hvordan kan det økologiske jordbrug producere større mængder foderkorn og protein. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Økologisk Jordbrug, No. 218, 2000, p. 14-15.

    Publication: Communication › Journal article – Annual report year: 2000

  182. Published

    Miljøfremmede stoffers omsætning i jord og optag i planter. / Mortensen, G.K.; Kure, L.K.; Ambus, P.; Laturnus, F.; Grøn, C.

    In: Vand Jord, Vol. 7, 2000, p. 143-147.

    Publication: Research › Journal article – Annual report year: 2000

  183. Published

    Miljøfremmede stoffers omsætning og optag i planter. / Mortensen, G.K.; Kure, L.K.; Ambus, P.; Laturnus, F.; Grøn, C.

    2000. Abstract from DAKOFA-konference om genanvendelse af organiske restprodukter i jordbrug, København (DK), 15 May, .

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  184. Published

    Modelling methane concentration and isotopic composition in soil. / Ambus, P.; Andersen, B.L.; Kemner, M.; Arp, T.; Ringgård, T.

    2000. Abstract from 2. International conference on applications of stable isotope techniques to ecological studies, Braunschweig (DE), 8-11 May, .

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  185. Published

    Overvurderer VMP II nitratreduktionen i vådområder?. / Færge, J.; Bastiansen, S.; Højlund, L.; Dam, R.B.; Ambus, P.

    In: Vand og Jord, Vol. 7, No. 1, 2000, p. 84-87.

    Publication: Research › Journal article – Annual report year: 2000

  186. Published

    Prospects for manipulating crop residues to control nitrogen mineralisation-immobilisation in soil. / Jensen, E.S.; Ambus, P.

    In: Kungl. Skogs- Lantbruksakad. Tidskr., No. 8, 2000, p. 25-42.

    Publication: Research › Conference article – Annual report year: 2000

  187. Published

    Removal of organic contaminants by crops grown in agricultural soil after sewage sludge application. / Laturnus, F.; Mortensen, G.K.; Grøn, C.; Kure, L.K.; Ambus, P.

    2000. Abstract from Cost Action 837 - 1st Scientific workshop, Hersonissos, Greece.

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  188. Published

    Uptake of sewage sludge associated organic contaminants in crop plants. / Kure, L.K.; Mortensen, G.K.; Laturnus, F.; Ambus, P.

    2000. Abstract from Cost Action 837 - 1st Scientific workshop, Hersonissos, Greece.

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  189. Published

    Uptake of sewage sludge associated organic contaminants in crop plants. / Kure, L.K.; Mortensen, G.K.; Ambus, P.

    2000. Abstract from 3. SETAC world congress, Brighton (GB), 21-25 May, .

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  190. Published

    Using 32P methodology to elucidate root distribution and competition for nutrients in intercropped plant communities. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    2000. Abstract from FAO/IAEA Symposium on Nuclear Techniques in Integrated Plant Nutrient, Water and Soil Management, Vienna, Austria.

    Publication: Research › Conference abstract for conference – Annual report year: 2000

  191. 1999
  192. Published

    Bland afgrøderne og høst mange fordele. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Økologisk Jordbrug, No. 198, 1999, p. 9.

    Publication: Communication › Journal article – Annual report year: 1999

  193. Published

    Degradation of organic contaminants in sludge-amended agricultural soil. / Laturnus, F.; Grøn, C.; Mortensen, G.K.; Ambus, P.; Bennetzen, S.; Jensen, E.S.

    In: Phytoremediation and innovative strategies for specialized remedial applications. ed. / A. Leeson; B.C. Alleman. Columbus, OH : Battelle Press, 1999. p. 15-20.

    Publication: Research › Article in proceedings – Annual report year: 1999

  194. Published

    Fluxes of CH4 and N2O in aspen stands grown under ambient and twice-ambient CO2. / Ambus, P.; Robertson, G.P.

    In: Plant and Soil, Vol. 209, No. 1, 1999, p. 1-8.

    Publication: Research › Journal article – Annual report year: 1999

  195. Published

    Fluxes of NO3-, NH4+, NO, NO2, HNO3-, N2O and organic N in an old Danish beech forest. / Rasmussen, L.; Beier, C.; Pilegaard, K.; Ambus, P.; Mikkelsen, T.; Jensen, N.O.; Kjøller, A.; Ladekarl, U.L.

    In: Abstracts. Copenhagen : Danish Environmental Protection Agency, 1999.

    Publication: Research › Conference abstract in proceedings – Annual report year: 1999

  196. Published

    Improved use of N sources by pea-barley intercropping in low-input systems. / Hauggaard-Nielsen, H.; Jensen, E.S.; Ambus, P.

    1999. Abstract from 12. Australian nitrogen fixation conference, Wagga Wagga (AU), 17-22 Oct, .

    Publication: Research › Conference abstract for conference – Annual report year: 1999

  197. Published

    Intercropping of pea and barley to improve nitrogen use-efficiency in low-input agricultural systems. / Hauggaard-Nielsen, H.; Ambus, P.; Jensen, E.S.

    In: Programme and abstracts. Vol. 1. Copenhagen : Royal Veterinary and Agricultural University, 1999.

    Publication: Research › Conference abstract in proceedings – Annual report year: 1999

  198. Published

    Methane emissions in sewage sludge amended agricultural soil and a nearby beech forest site. / Milandt, J.; Ambus, P.

    1999. Abstract from International Conferene on Biogenic Emissions of Greenhouse Gases Caused by Arable and Animal Agriculture, Stuttgart, Germany.

    Publication: Research › Conference abstract for conference – Annual report year: 1999

  199. Published

    Planteoptag af miljøfremmede, organiske stoffer fra slam. / Grøn, C.; Rasmussen, D.; Samsøe-Petersen, L.; Mortensen, G.K.; Laturnus, F.; Ambus, Per; Jensen, Erik Steen; Vejrup, K.; Plöger, A.

    København : Miljøstyrelsen, 1999. (Miljøprojekt, 477).

    Publication: Research - peer-review › Book – Annual report year: 1999

  200. Published

    Plant uptake and soil degradation of organic contaminants in sludge amended soil. / Grøn, C.; Laturnus, F.; Mortensen, G.K.; Egsgaard, H.; Bennetzen, S.; Ambus, P.; Jensen, E.S.

    In: Abstr. Pap. Am. Chem. Soc., Vol. 217, No. Pt. 1, 1999, p. 4-ENVR.

    Publication: Research › Journal article – Annual report year: 1999

  201. Published

    Research on organic contaminants in soil-plant systems. / Laturnus, F.; Grøn, C.; Mortensen, G.K.; Kure, L.K.; Ambus, P.

    1999. Abstract from Cost Action 837 meeting: Plant biotechnology for the removal of organic pollutants and toxic methods from waste water and contaminated sites, Chatham (GB), 4-5 Mar, .

    Publication: Research › Conference abstract for conference – Annual report year: 1999

  202. Published

    Sewage sludge promotes growth of carrots and maintain a reduction of the inorganic N pool. / Ambus, P.; Grøn, C.; Jensen, E.S.

    In: Programme and abstracts. Vol. 1. Copenhagen : Royal Veterinary and Agricultural University, 1999.

    Publication: Research › Conference abstract in proceedings – Annual report year: 1999

  203. Published

    Soil N dynamics as influenced by the spatial distribution of straw. / Ambus, P.; Jensen, E.S.

    In: Soil tillage and biology. Proceedings. ed. / T. Børresen. Ås : Agricultural University of Norway, 1999. (NJF-Utredning/Rapport, 124).

    Publication: Research › Article in proceedings – Annual report year: 1999

  204. Published

    Trace gas fluxes from agricultural soil amended with sewage sludge. / Ambus, P.; Milandt, J.; Pilegaard, K.; Priemé, A.; Kjøller, A.; Struwe, S.

    In: Programme and abstracts. Vol. 1. Copenhagen : Royal Veterinary and Agricultural University, 1999.

    Publication: Research › Conference abstract in proceedings – Annual report year: 1999

  205. Published

    Trace gas fluxes from agricultural soil amended with sewage sludge. / Ambus, P.; Milandt, J.; Pilegaard, K.; Priemé, A.; Kjøller, A.; Struwe, S.

    1999. Abstract from International Conferene on Biogenic Emissions of Greenhouse Gases Caused by Arable and Animal Agriculture, Stuttgart, Germany.

    Publication: Research › Conference abstract for conference – Annual report year: 1999

  206. Published

    Uptake and degradation of LAS in sludge amended and spiked soil - the importance of vegetation. / Mortensen, G.K.; Egsgaard, H.; Ambus, P.; Grøn, C.

    1999. Abstract from 9. Annual meeting of SETAC-Europe: Quality of life and environment in cultured landscapes, Leipzig (DE), 26 May, .

    Publication: Research › Conference abstract for conference – Annual report year: 1999

  207. Published

    Uptake of organic contaminants in plants. / Kure, L.K.; Ambus, P.; Jensen, E.S.; Grøn, C.

    1999. Abstract from 9. Annual meeting of SETAC-Europe, Leipzig (DE), 25-29 May, .

    Publication: Research › Conference abstract for conference – Annual report year: 1999

  208. 1998
  209. Published

    Automated near-continuous measurement of carbon dioxide and nitrous oxide fluxes from soil. / Ambus, P.; Robertson, G.P.

    In: Soil Sci. Soc. Am. J., Vol. 62, 1998, p. 394-400.

    Publication: Research › Journal article – Annual report year: 1998

  210. Published

    Nitrous oxide production by denitrification and nitrification in temperate forest, grassland and agricultural soils. / Ambus, P.

    In: Eur. J. Soil Sci., Vol. 49, 1998, p. 495-502.

    Publication: Research › Journal article – Annual report year: 1998

  211. Published

    Plant litter particle size - Effects on decomposition and nitrogen dynamics in soil. / Jensen, E.S.; Ambus, P.

    In: 16. World congress of soil science. Proceedings. Montpellier : International Society of Soil Science, 1998.

    Publication: Research › Article in proceedings – Annual report year: 1998

  212. Published

    Soil N dynamics as influenced by the spatial distribution of straw. / Ambus, P.; Jensen, E.S.

    1998. Abstract from Seminar: Soil tillage and biology, Ås (NO), 8-10 Jun, .

    Publication: Research › Conference abstract for conference – Annual report year: 1998

  213. 1997
  214. Published

    Emission of nitric oxide (NO) and nitrous oxide (N2O) from arable land. / Ambus, P.

    1997. Abstract from EU-workshop, Petten (NL), 24 Oct, .

    Publication: Research › Conference abstract for conference – Annual report year: 1997

  215. Published

    Nitrogen mineralization and denitrification as influenced by crop residue particle size. / Ambus, P.; Jensen, E.S.

    In: Plant and Soil, Vol. 197, No. 2, 1997, p. 261-270.

    Publication: Research › Journal article – Annual report year: 1997

  216. 1996
  217. Published

    Production of N2O in soil during decomposition of dead yeast cells with different spatial distributions. / Ambus, P.

    In: Plant and Soil, Vol. 181, No. 1, 1996, p. 7-12.

    Publication: Research › Journal article – Annual report year: 1996

  218. 1994
  219. Published

    Measurement of N2O emission from a fertilized grassland: An analysis of spatial variability. / Ambus, P.; Christensen, S.

    In: J. Geophys. Res., Vol. 99, No. D8, 1994, p. 16549-16555.

    Publication: Research › Journal article – Annual report year: 1995

  220. Published

    Micrometeorological and chamber methods for measurement of nitrous oxide fluxes between soils and the atmosphere. Overview and conclusions. / Smith, K.A.; Clayton, H.; Arah, J.R.M.; Christensen, S.; Ambus, P.; Fowler, D.; Hargreaves, K.J.; Skiba, U.; Harris, G.W.; Wienhold, F.G.; Klemedtsson, L.; Galle, B.

    In: J. Geophys. Res., Vol. 99, No. D8, 1994, p. 16541-16548.

    Publication: Research › Journal article – Annual report year: 1995

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