Helge Ro-Poulsen

Helge Ro-Poulsen

Emeritus

Member of:

    ORCID: 0000-0002-6531-118X

    Publication year:
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    51 - 82 out of 82Page size: 50
    1. 2008
    2. 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

    3. 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

    4. 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

    5. 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

    6. 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

    7. 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

    8. 2009
    9. 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

    10. 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

    11. 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

    12. Published

      Plant and soil responses in ecosystem manipulation experiments

      Boesgaard, K., Mathiesen, K., Albert, K., Ro-Poulsen, Helge, Schmidt, N. M. & Michelsen, Anders, 2009, ZACKENBERG ECOLOGICAL RESEARCH OPERATIONS (ZERO): 14th Annual Report 2008. Jensen, L. M. & Rasch, M. (eds.). Aarhus University: National Environmental Research Institute, p. 88-89

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

    13. Published

      Responses of carbon and water fluxes following drought events in combinations with warming and elevated CO2

      Selsted, M. B., Albert, K., Ambus, Per Lennart, Michelsen, Anders, Ro-Poulsen, Helge, Mikkelsen, T. N. & Ibrom, A., 2009, In: Metlan Tyoraportteja. p. 144

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

    14. 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

    15. 2010
    16. 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

    17. Published

      Volatile organic compound emissions in three high arctic heath types, and the influence of climate change.

      Michelsen, Anders, Burchard, S., Faubert, P., Rinnan, Riikka, Ro-Poulsen, Helge & Schmidt, N. M., 2010, Zackenberg Ecological Research Operations, 15th Annual Report, 2009. . Jensen, L. M. & Rasch, M. (eds.). National Environmental Research Institute, Aarhus University: Aarhus Universitetsforlag, p. 105-106

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

    18. 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

    19. 2011
    20. 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

    21. 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

    22. Published

      Effects of elevated CO2, warming and drought episodes on plant carbon uptake in a temperate heath ecosystem are controlled by soil water status.

      Albert, K. R., Ro-Poulsen, Helge, Mikkelsen, T. N., Michelsen, Anders, van der Linden, L. & Beier, Claus, 2011, In: Plant, Cell and Environment. 34, 7, p. 1207-1222 16 p.

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

    23. 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

    24. 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

    25. Published

      Reduced N cycling in response to elevated CO2, warming, and drought in a Danish heathland

      Larsen, K. S., Andresen, L. C., Beier, C., Jonasson, S. E., Albert, K. R., Ambus, P. L., Arndal, M. F., Carter, M. S., Christensen, S., Holmstrup, M., Ibrom, A., Nielsen, J. K., van der Linden, L., Maraldo, K., Michelsen, A., Mikkelsen, T. N., Pilegaard, K., Priemé, A., Ro-Poulsen, H., Schmidt, I. K. & 2 others, Selsted, M. B. & Andersen, K. S., 2011, Nitrogen & global change: key findings - future challenges. 2 p.

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

    26. Published

      Reduced N cycling in response to elevated CO2, warming, and drought in a Danish heathland: synthesizing results of the CLIMAITE project after two years of treatments

      Larsen, K. S., Andresen, L. C., Beier, C., Jonasson, S. E., Albert, K. A., Ambus, P. L., Arndal, M. F., Carter, M. S., Christensen, S., Holmstrup, M., Ibrom, A., Nielsen, J. K., Van der Linden, L., Maraldo, K., Michelsen, A., Mikkelsen, T. N., Pilegaard, K., Priemé, A., Ro-Poulsen, H., Schmidt, I. K. & 2 others, Selsted, M. B. & Andersen, K. S., 2011, In: Global Change Biology. 17, 5, p. 1884-1899 16 p.

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

    27. 2012
    28. Published

      Long-term structural canopy changes sustain net photosynthesis per ground area in high arctic Vaccinium uliginosum exposed to changes in near-ambient UV-B levels

      Boesgaard, K. S., Albert, K. R., Ro-Poulsen, Helge, Michelsen, Anders, Mikkelsen, T. N. & Schmidt, N. M., 2012, In: Physiologia Plantarum. 145, 4, p. 540-550 11 p.

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

    29. 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

    30. 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

    31. Published

      The shift in plant species composition in a subarctic mountain birch forest floor due to climate change would modify the biogenic volatile organic compound mission profile

      Faubert, P., Tiiva, P., Michelsen, Anders, Rinnan, Åsmund, Ro-Poulsen, Helge & Rinnan, Riikka, 2012, In: Plant and Soil. 352, 1-2, p. 199-215 17 p.

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

    32. Published

      Up-scaling of water use efficiency from leaf to canopy as based on leaf gas exchange relationships and the modeled in-canopy light distribution

      Linderson, M., Mikkelsen, T. N., Ibrom, A., Lindroth, A., Ro-Poulsen, Helge & Pilegaard, K., 2012, In: Agricultural and Forest Meteorology. 152, p. 201-211 11 p.

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

    33. 2013
    34. 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

    35. 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

    36. Published

      Reduction of molecular gas diffusion through gaskets in leaf gas exchange cuvettes by leaf-mediated pores

      Boesgaard, K. S., Mikkelsen, T. N., Ro-Poulsen, Helge & Ibrom, A., 2013, In: Plant, Cell and Environment. 36, 7, p. 1352-1362 11 p.

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

    37. 2016
    38. Published

      Large increases in Arctic biogenic volatile emissions are a direct effect of warming

      Kramshøj, M., Vedel-Petersen, I., Schollert, M., Rinnan, Åsmund, Nymand, J., Ro-Poulsen, Helge & Rinnan, Riikka, 2016, In: Nature Geoscience. 9, 5, p. 349-352 4 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    39. 2017
    40. Published

      Warming, shading and a moth outbreak reduce tundra carbon sink strength dramatically by changing plant cover and soil microbial activity

      Dahl, M. B., Priemé, Anders, Brejnrod, A. D., Brusvang, P., Lund, M., Nymand, J., Kramshøj, M., Ro-Poulsen, Helge & Haugwitz, M. S., 22 Nov 2017, In: Scientific Reports. 7, 13 p., 16035.

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

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