Helge Ro-Poulsen

Helge Ro-Poulsen

Emeritus

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    ORCID: 0000-0002-6531-118X

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    1. Published

      Interactive effects of elevated CO2, warming, and drought on photosynthesis of Deschampsia flexuosa in a temperate heath ecosystem.

      Albert, K. R., Ro-Poulsen, Helge, Mikkelsen, T. N., Michelsen, A., Linden, L. V. D. & Beier, Claus, 2011, In: Journal of Experimental Botany. 62, 12, p. 4253-4266 14 p.

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

    2. Published

      Future photosynthetic performance of heath plants – results from the multi-factorial ecosystem experiment, CLIMAITE: 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

    3. 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

    4. 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

    5. 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

    6. 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

    7. Published

      How does prolonged drought affect plant physiological processes? - Focus on the interactions with increased temperature and elevated [CO2] within the CLIMAITE project?

      Albert, K., Ro-Poulsen, Helge & N. Mikkelsen, T., 2006.

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

    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

      Studies of Plant Responses to UV-B radiation 2007

      Albert, K., Boesgaard, K., Ro-Poulsen, Helge, N. Mikkelsen, T., Michelsen, Anders & M. Schmidt, N., 2008, Zackenberg Ecological Research Operations, 13th Annual Report, 2007. Copenhagen) , Danish Polar Center, Danish Agency for Science, Technology and Innovation, Ministry of Science, Technology and Innovation. klitgaard, A. B. & Rasch, M. (eds.). Danish Polar Center, Danish Agency for Science, Technology and Innovation, Ministry of Science, Technology and Innovation, Copenhagen: Danish Polar Center, p. 80-81

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

    10. Published

      Solar Ultraviolet-B radiation at Zackenberg: The impact on higher plants and soil microbial communities: In: High-arctic ecosystem dynamics in a changing climate (eds H. Meltofte, T.R. Christensen, B. Elberling, M. Forchhammer, M. Rasch)

      Albert, K., Rinnan, R., Ro-Poulsen, Helge, Mikkelsen, T., Håkansson, K., F. Arndal, M. & Michelsen, Anders, 2008, New York: Elsevier. 421 p. (Advances in Ecological Research, Vol. 40).

      Research output: Book/Report › Anthology › Research › peer-review

    11. 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

    12. Published

      Plant eco-physiological response patterns to summer drought, elevated CO2 and warming in a natural temperate heath ecosystem: Ecological Society of America, 93rd ESA annual meeting August 3-8, Milwaukee, Wisconsin

      Albert, K., N. Mikkelsen, T., Ro-Poulsen, Helge & Michelsen, Anders, 2008, 93rd ESA Annual Meeting Sunday, August 3 -Friday, August 8, 2008. The Midwest Airlines Center - Milwauke, Wisconsin.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    13. Published

      Studying effects of current UV-fluxes on high arctic vegetation (UV-B exclusion experiments)

      Albert, K., Arndal, M. F., Michelsen, Anders, Tamstorf, M., Ro-Poulsen, Helge & N. Mikkelsen, T., 2006, Zackenberg Ecological Research Operations 11th Annual Report, 2005: Copenhagen, Danish Polar Center, Ministry of Science, Technology andInnovation, 2006. Klitgaard, A. B., Rasch, M. & Caning, K. (eds.). Danish Polar Center, p. 90-91

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

    14. 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

    15. Published

      The Biological Time Machine - Biological responses to multiple environmental and climatic changes: Environment and Stress, Ph.d. symposium at KVL October 2006

      Albert, K., Ro-Poulsen, Helge, N. Mikkelsen, T., Michelsen, Anders, Beier, C., Jonasson, S. E., Ambus, Per Lennart, Schmidt, Inger Kappel, Holmstrup, M., Priemé, Anders & Christensen, Søren, 2006.

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

    16. 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

    17. Published

      Improved UV-B screening capacity does not prevent negative effects of ambient UV irradiance on PSII performance in High Arctic plants. Results from a six year UV exclusion study

      Albert, K. R., Mikkelsen, T. N., Ro-Poulsen, Helge, Michelsen, Anders, Arndal, M. F., Bredahl, L., Håkansson, K. B., Boesgaard, K. & Schmidt, N. M., 15 Dec 2010, In: Journal of Plant Physiology. 167, 18, p. 1542-1549 8 p.

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

    18. Published

      Monitoring effects of UV-B radiation on high arctic vegetation

      Albert, K. R., Ro-Poulsen, Helge, Mikkelsen, T. N., Håkansson, K. B., Bredahl, L. & Rinnan, R., 2005, Zackenberg Ecological Research Operations, 10th Annual Report, 2004. Copenhagen K: Danish Polar Center, p. 68-70

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

    19. 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

    20. 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

    21. 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

    22. 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

    23. Published

      Solar UV-B effects on PSII performance in Betula nana are influenced by PAR level and reduced by EDU: results of a 3-year experiment in the High Arctic

      Albert, K. R., Mikkelsen, T. N., Ro-Poulsen, Helge, Arndal, M. F., Boesgaard, K. S., Michelsen, Anders, Bruhn, D. & Schmidt, N. M., 2012, In: Physiologia Plantarum. 145, 3, p. 485-500 16 p.

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

    24. Published

      Interactive effects of drought, elevated CO2 and warming on photosynthetic capacity and photosystem performance in temperate heath plants

      Albert, K. R., Mikkelsen, T. N., Michelsen, Anders, Ro-Poulsen, Helge & van der Linden, L., 2011, In: Journal of Plant Physiology. 168, 13, p. 1550-61 12 p.

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

    25. Published

      Temperate heath plant response to dry conditions depends on growth strategy and less on physiology

      Albert, K. R., Nielsen, Jane Kongstad, Schmidt, Inger Kappel, Ro-Poulsen, Helge, Mikkelsen, T. N., Michelsen, Anders, Linden, L. V. D. & Beier, Claus, 2012, In: Acta Oecologica. 45, p. 79-87 9 p.

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

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    ID: 7631