Helge Ro-Poulsen

Helge Ro-Poulsen

Emeritus

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    ORCID: 0000-0002-6531-118X

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    1. 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

    2. 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

    3. 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

    4. 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

    5. 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

    6. Published

      Ecosystem Recovery after Drought Events in Our Future Climate

      Selsted, M. B., Albert, K., Ambus, Per Lennart, Michelsen, Anders, Ro-Poulsen, Helge, Mikkelsen, T. N. & Ibrom, A., 2009, In: Institute of Physics Conference Series.

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

    7. Published

      Effects of Reducing the Ambient UV-B Radiation in the High Arctic on Salix arctica and Vaccinium uliginosum.

      Albert, K., Ro-Poulsen, Helge, Mikkelsen, T. N., Bredahl, L. & Haakansson, K. B., 2005, In: Phyton. 45, 4, p. 41-49

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

    8. Published

      Effects of UV-B radiation on vegetation in Zackenberg: In Rasch, M. and Caning, K. (eds.) Zackenberg Ecological Research Operations, 8th Annual Report, 2002. - Copenhagen, Danish Polar Center, Ministry of Science, Technology and Innovation, 2003.

      N. Mikkelsen, T., Ro-Poulsen, Helge, Bredahl, L. & Albert, K., 2003

      Research output: Book/Report › Report › Communication

    9. Published

      Effects of UV-B radiation on vegetation in Zackenberg: In Rasch, M. and Caning, K. (eds.) Zackenberg Ecological Research Operations, 9th Annual Report, 2003. - Copenhagen, Danish Polar Center, Ministry of Science, Technology and Innovation

      Ro-Poulsen, Helge, N. Mikkelsen, T., Bredahl, L., Albert, K., B. Håkansson, K. & Rinnan, R., 2004

      Research output: Book/Report › Report › Communication

    10. Published

      Effects of ambient versus reduced UV-B radiation on high arctic Salix arctica assessed by measurements and calculations of chlorophyll a fluorescence parameters from fluorescence transients

      Albert, K., Mikkelsen, T. N. & Ro-Poulsen, Helge, 2005, In: Physiologia Plantarum : An International Journal for Plant Biology. 124, 2, p. 208-226

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

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    ID: 7631