Helge Ro-Poulsen

Helge Ro-Poulsen

Emeritus

Member of:

    ORCID: 0000-0002-6531-118X

    Publication year:
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    26 - 50 out of 82Page size: 25
    1. 2009
    2. Published

      Unpredictable responses to interactions between climatic drivers: Impact of warming, elevated CO2, drought and their combinations on photosynthesis and growth patterns of heath plants

      Ro-Poulsen, Helge, Albert, K., Michelsen, Anders, Mikkelsen, T. N. & Beier, C., 2009, In: Metlan Tyoraportteja. p. 346

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

    3. 2008
    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

      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

    7. 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

    8. 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

    9. 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

    10. 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

    11. Published

      Effects of manipulations of local climate on carbon dioxide exchange and plant performance in two high arctic heaths

      Michelsen, Anders, Boesgaard, K., Arndal, M. F., Tamstorf, M., Schmidt, N. M., Albert, K. & Ro-Poulsen, Helge, 2008, Zackenberg Ecological Research Operations, 13th Annual Report, 2007.: Danish Polar Center, Danish Agency for Science, Technology and innovation, Ministry of Science, Technology and Innovation.. Klitgaard, A. B. & Rasch, M. (eds.). Copenhagen: Danish Polar Center, p. 70-71

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

    12. Published

      Experimental design of multifactor climate change experiments with elevated CO2, warming and drought: the CLIMAITE project

      Mikkelsen, T. N., 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., Linden, L., Nielsen, J. K., Maraldo, K., Priemé, A. & 11 others, Riis-Nielsen, Torben, Ro-Poulsen, Helge, Andersen, K. S., Selsted, M. B., Sørensen, P., Larsen, Klaus Steenberg, Carter, M. S., Ibrom, A., Martinussen, Torben, Miglietta, F. & Sverdrup, H., 2008, In: Functional Ecology. 22, 1, p. 185-195 11 p.

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

    13. 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

    14. 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

    15. Published

      Plant eco-physiological response patterns to summer drought, elevated CO2, and warming in a semi-natural temperate heath ecosystem

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

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

    16. 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

    17. 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

    18. 2007
    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

      Effects of manipulations of local climate on processes and organisms in high arctic terrestrial ecosystems

      Michelsen, Anders, Ellebjerg, S., Tamstorf, M., Schmidt, N. M., Illeris, L., Albert, K. & Ro-Poulsen, Helge, 2007, Zackenberg Ecological Research Operations. 12th Annual Report 2006. Klitgaard, A. B., Rasch, M. & Canning, K. (eds.). Copenhagen, DK: Nyt Nordisk Forlag Arnold Busck, p. 80-81 2 p.

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

    21. Published

      Klimaændringer og processer og funktion i terrestiske økosystemer

      Schmidt, Inger Kappel, Beier, C., Nielsen, Jane Kongstad, Andresen, L., Michelsen, Anders, Albert, K., Ambus, Per Lennart, Selsted, M., Maraldo, K., Holmstrup, M., Arndal, M. F., Mikkelsen, T. N., Ro-Poulsen, Helge, Jonassen, S. & Karsten, R. J., 2007, In: Flora og Fauna. 113, 4, p. 117-128 12 p.

      Research output: Contribution to journal › Journal article › Research

    22. 2006
    23. Published

      Effects of climate manipulations on processes and organisms in high arctic terrestrial ecosystems

      Michelsen, Anders, Kønig, S. M., Illeris, L., Arndal, M., Albert, K., Tamstorf, M. P. & Ro-Poulsen, Helge, 2006, Zackenberg Ecological Research Operations11th Annual Report, 2005: Copenhagen, Danish Polar Center, Ministry of Science, Technology andInnovation, 2006.. Klitgaard, A. B., Rasch, M. & Caning, K. (eds.). Copenhagen: Danish Polar Center, p. 89-90

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

    24. 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

    25. Published

      Ozone pollution and ozone biomonitoring in European cities Part II. Ozone-induced plant injury and its relationship with descriptors of ozone pollution

      Klumpp, A., Ansel, W., Klumpp, G., Vergne, P., Sifakis, N., Sanz, M. J., Rasmussen, S., Ro-Poulsen, Helge, Ribas, A., Penuelas, J., Kambezidis, H., He, S., Garrec, J. P. & Calatayud, V., 2006, In: Atmospheric Environment. 40, 38, p. 7437-7448

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

    26. Published

      Ozone pollution and ozone biomonitoring in European cities. Part I: Ozone concentrations and cumulative exposure indices at urban and suburban sites

      Klumpp, A., Ansel, W., Klumpp, G., Calatayud, V., Garrec, J. P., He, S., Penuelas, J., Ribas, A., Ro-Poulsen, Helge, Rasmussen, S., Sanz, M. J. & Vergne, P., 2006, In: Atmospheric Environment. 40, 40, p. 7963-7974

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

    27. 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

    28. 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

    29. Published

      Tradescantia micronucleus test indicates genotoxic potential of traffic emissions in European cities.

      Klumpp, A., Ansel, W., Klumpp, G., Calatayud, V., Garrec, J. P., He, S., Penuelas, J., Ribas, A., Ro-Poulsen, Helge, Rasmussen, S., Sanz, M. J. & Vergne, P., 2006, In: Environmental Pollution. 139, 3, p. 515-522

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

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    ID: 7631