Helge Ro-Poulsen

Helge Ro-Poulsen

Emeritus

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    ORCID: 0000-0002-6531-118X

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    1. Published

      In situ Autumn ozone fumigation of mature Norway Spruce - Effects on Net Photosynthesis

      Mikkelsen, T. N. & Ro-Poulsen, Helge, 2002, In: Phyton (Austria). 42, p. 97-104

      Research output: Contribution to journal › Journal article › Research › peer-review

    2. Published

      A delayed effect of ozone fumigation on photosynthesis of Norway spruce

      Eamus, D., Barnes, J. D., Mortensen, L., Ro-Poulsen, Helge & Davison, A. W., 1989, In: Annals of Forest Science. 46 (suppl.), p. 568-572

      Research output: Contribution to journal › Journal article › Research

    3. Published

      Airborne trace element pollution in 11 European cities assessed by exposure of standardised ryegrass cultures

      Klumpp, A., Ansel, W., Klumpp, G., Breuer, J., Vergne, P., Sanz, M. J., Rasmussen, S., Ro-Poulsen, Helge, Artola, A. R., Penuelas, J., He, S., Garrec, J. P. & Calatayud, V., 2009, In: Atmospheric Environment. 43, 2, p. 329-339

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      Ambient UV-B decreases PSII performance and net photosynthesis under natural irradiance of the high arctic dwarf shrub Salix arctica

      Albert, K., Mikkelsen, T. N., Ro-Poulsen, Helge, Arndal, M. F. & Michelsen, Anders, 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    5. Published

      Ambient UV-B radiation decreases photosynthesis in high arctic Vaccinium uliginosum.

      Albert, K., Ro-Poulsen, Helge & N. Mikkelsen, T., 2008, In: Physiologia Plantarum : An International Journal for Plant Biology. 133, 2, p. 199-210 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    6. Published

      Ambient UV-B radiation reduces PSII performance and net photosynthesis in high Arctic Salix arctica

      Albert, K. R., Mikkelsen, T. N., Ro-Poulsen, Helge, Arndal, M. F. & Michelsen, Anders, 2011, In: Environmental and Experimental Botany. 73, p. 10-18 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. Published

      Ambient UV-Bradiation reduces PSII performance and net photosynthesis in high Arctic Salix arctica.

      Albert, K. R., Mikkelsen, T. N., Ro-Poulsen, Helge, Arndal, M. F. & Michelsen, Anders, 2011, In: Environmental and Experimental Botany. 72, 3, p. 439-447 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      Ambient UV-radiation decreases photosynthetic performance on High Arctic plants

      Albert, K., Ro-Poulsen, Helge & N. Mikkelsen, T., 2005.

      Research output: Contribution to conference › Conference abstract for conference › Research

    9. Published

      Ambient ultraviolet radiation in the Arctic reduces root biomass and alters microbial community composition but has no effects on microbial biomass

      Rinnan, R., Keinänen, M. M., Kasurinen, A., Asikainen, J., Kekki, T. K., Holopainen, T., Ro-Poulsen, Helge, Mikkelsen, T. N. & Michelsen, Anders, 2005, In: Global Change Biology. 11, 4, p. 564 - 574

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      Antagonism between elevated CO2, nighttime warming, and summer drought reduces the robustness of PSII performance to freezing events

      Albert, K. R., Boesgaard, K., Ro-Poulsen, Helge, Mikkelsen, T. N., Andersen, S. & Pilegaard, K., 2013, In: Environmental and Experimental Botany. 93, p. 1-12 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Atmosfærens stoftilførsel til danske skovøkosystemer

      Hovmand, Mads Frederik, Andersen, H. V., Bille-Hansen, J. & Ro-Poulsen, Helge, 1994, In: Danmarks Miljoeundersoegelser. Faglig Rapport. 98, p. 59

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      Atmospheric composition change: ecosystems-atmosphere interactions

      Fowler, D., Pilegaard, K., Sutton, M. A., Ambus, P. L., Raivonen, M., Duyzer, J., Simpson, D., Fagerli, H., Fuzzi, S., Schjørring, J. K., Granier, C., Neftel, A., Isaksen, I. S. A., Laj, P., Maione, M., Monks, P. S., Burkhardt, J., Daemmgen, U., Neirynck, J., Personne, E. & 37 others, Wichink-Kruit, R., Butterbach-Bahl, K., Flechard, C., Tuovinen, J. P., Coyle, M., Gerosa, G., Loubet, B., Altimir, N., Gruenhage, L., Ammann, C., Cieslik, S., Paoletti, E., Mikkelsen, T. N., Ro-Poulsen, Helge, Cellier, P., Cape, J. N., Horvath, L., Loreto, F., Niinemets, Ü., Palmer, P. I., Rinne, J., Misztal, P., Nemitz, E., Nilsson, D., Pryor, S., Gallagher, M. W., Vesala, T., Skiba, U., Brüggemann, N., Zechmeister-Boltenstern, S., Williams, J., O'Dowd, C., Facchini, M. C., de Leeuw, G., Flossman, A., Chaumerliac, N. & Erisman, J. W., 2009, In: Atmospheric Environment. 43, 33, p. 5193-5267 75 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Biological responses to current UV-B radiation in Arctic regions: Geophysical Research Abstracts, Vol. 10, EGU2008-A-11698, 2008. SRef-ID: 1607-7962/gra/EGU2008-A-11698. EGU General Assembly 13-18 2008 April Vienna, Switzerland

      Albert, K., N. Mikkelsen, T. & Ro-Poulsen, Helge, 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    14. Published

      Biological responses to current UV-B radiation in Arctic regions

      Albert, K. R., Mikkelsen, T. N. & Ro-Poulsen, Helge, 2008, In: Geophysical Research Abstracts. 10, EGU2008-A-11698

      Research output: Contribution to journal › Conference abstract in journal › Research

    15. Published

      Biological responses to current UV-B radiation in Arctic regions: 5th SPPS 2008 PhD conference January 24-27 2008 in Haslev, Denmark

      Albert, K., N. Mikkelsen, T. & Ro-Poulsen, Helge, 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    16. Published

      Biological responses to current fluxes of ultraviolet radiation in High Arctic

      Albert, K., Rinnan, R., N. mikkelsen, T., Ro-Poulsen, Helge, Michelsen, Anders, Arndal, M. F. & M. Schmidt, N., 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    17. Published

      Biomonitoring of toxic compounds of airborne particulate matter in urban and industriel areas

      Klumpp, A. & Ro-Poulsen, Helge, 2010, Urban airborne particulate matter: origin, chemistry, fate and health Impacts. Zereini, F. & Wiseman, C. L. S. (eds.). Springer Science+Business Media, p. 467-481 15 p. (Environmental Science and Engineering).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    18. Published

      CLIMAITE - a three factor climate change ecosystem manipulation experiment: Geophysical Research Abstracts, Vol. 10, EGU2008-A-07931, 2008. SRef-ID: 1607-7962/gra/EGU2008-A-07931. EGU General Assembly 13-18 April 2008 in Vienna, Switzerland

      N. Mikkelsen, T., Beier, C., Jonasson, S. E., Holmstrup, M., Schmidt, I. K., Ambus, P. L., Pilegaard, K., Michelsen, A., Albert, K., Andresen, L. C., Arndal, M. F., Bruun, N., Christensen, S., Danbæk, S., Gundersen, P., Jørgensen, P., J. Linden, L., Pedersen, J. K., Maraldo, K., Priemé, A. & 11 others, Riis-Nielsen, T., Ro-Poulsen, Helge, Andersen, K. S., Selsted, M., Sørensen, P., S. Larsen, K., S. Carter, M., Ibrom, A., Martinussen, Torben, Miglietta, F. & Sverdrup, H., 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    19. Published

      CLIMAITE – a three factor climate change ecosystem manipulation experiment

      N. Mikkelsen, T., Beier, C., Albert, K. & Ro-Poulsen, Helge, 2007, In: Geophysical Research Abstracts. 10

      Research output: Contribution to journal › Conference abstract in journal › Research

    20. Published

      Carbon and water balance for a mixed forest stand in relation to ozone uptake

      Mikkelsen, T. N., Ro-Poulsen, Helge, Hovmand, M. F., Hummelshøj, P. & Jensen, N. O., 1996, Critical levels for Ozone-Experiments with crops, wild plants and forest tree species in the Nordic countries. København: Nordic Council of Ministers, p. 80-85

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    21. Published

      Carbon dioxide fluxes above a coniferous/hardwood stand in relation to climate - consecutive measurements from 17 months

      Mikkelsen, T. N., Ro-Poulsen, Helge, Hummelshøj, P. & Jensen, N. O., 1997, Impacts of global change on tree physiology and forest ecosystems, Forestry Sciences, vol. 52. Dordrecht, Holland: Kluwer Academic Publishers, p. 331-336

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    22. Published

      Comparisons of measured and modelled ozone deposition to forests in northern Europe

      Touvinen, J. P., Simpson, D., Mikkelsen, T. N., Emberson, L. D., Ashmore, M. R., Aurela, M., Cambridge, H. M., Hovmand, Mads Frederik, Jensen, N. O., Laurila, T., Pilegaard, K. & Ro-Poulsen, Helge, 2001, In: Water, Air & Soil Pollution: Focus. 1, 5, p. 263-274 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. Published

      Critical levels for tropospheric ozone

      Mikkelsen, T. N., Ro-Poulsen, Helge & et al, 1994, København: Nordic Council of Ministers. 63 p.

      Research output: Book/Report › Book › Research

    24. Published

      Critical levels of ozone for wood production of European beech (Fagus Sylvatica L.)

      Mortensen, L., Bastrup-Birk, A. & Ro-Poulsen, Helge, 1996, In: Water, Air and Soil Pollution. 85, p. 1349-1354

      Research output: Contribution to journal › Journal article › Research

    25. Published

      Does warming affect growth rate and biomass production of shrubs in the High Arctic?

      Campioli, M., Schmidt, N. M., Albert, K. R., Leblans, N., Ro-Poulsen, Helge & Michelsen, Anders, 2013, In: Plant Ecology. 214, 8, p. 1049-1058 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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    ID: 7631