Helge Ro-Poulsen

Helge Ro-Poulsen

Emeritus

Member of:

    ORCID: 0000-0002-6531-118X

    Publication year:
    All
    21 - 30 out of 82Page size: 10
    1. 2003
    2. Published

      Field measurements of atmosphere-surface interactions in a Danish beech forest

      Pilegaard, K., Mikkelsen, T. N., Beier, C., Jensen, N. O., Ambus, Per Lennart & Ro-Poulsen, Helge, 2003, In: Boreal Environmental Research. 8, p. 315-333

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

    3. Published

      Field measurements of atmosphere-biosphere interactions in a Danish beech forest

      Pilegaard, K., Mikkelsen, T., Beier, Claus, Jensen, N., Ambus, Per Lennart & Ro-Poulsen, Helge, 10 Dec 2003, In: Boreal Environment Research. 8, 4, p. 315-333 19 p.

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

    4. 2004
    5. 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

    6. Published

      Five-year measurements of ozone fluxes to a Danish Norway spruce canopy

      Mikkelsen, T. N., Ro-Poulsen, Helge, Hovmand, Mads Frederik, Jensen, N. O., Pilegaard, K. & Egeløv, A. H., 2004, In: Atmospheric Environment. 38, 15, p. 2361-2371 11 p.

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

    7. Published

      Growing-season carbon dioxide flux in a dry subarctic heath: Responses to long-term manipulations

      Illeris, L., Kønig, S. M., Grogan, P., Jonasson, S. E., Michelsen, Anders & Ro-Poulsen, Helge, 2004, In: Arctic, Antarctic, and Alpine Research. 36, p. 456-463

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

    8. Published

      Monitering af UV-belastningen af vegetationen i Zackenberg. Tre års undersøgelser af UV-B effekter på højarktisk vegetation i NØ-Grøndland, Zackenberg. Opsummerende rapport til Miljøstyrelsen vedr. DANCEA-bevilling J.nr.M 123/000-0212

      Ro-Poulsen, Helge, Albert, K. & N. Mikkelsen, T., 2004, 12 p.

      Research output: Book/Report › Report › Communication

    9. Published

      Reduction of the Ambient UV-B Radiation in the High Arctic Increases Fv/Fm in Salix arctica and Vaccinium uliginosum and Reduces Stomatal Conductance and Internal CO2 Concentration in Salix arctica

      Bredahl, L., Ro-Poulsen, Helge & Mikkelsen, T. N., 2004, In: Arctic, Antarctic, and Alpine Research. 36, p. 363-368

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

    10. 2005
    11. 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

    12. 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

    13. 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

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    ID: 7631