Helge Ro-Poulsen
Emeritus
- 2017
- 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
- 2016
- 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
- 2013
- 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
- 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
- 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
- 2012
- 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
- 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
- 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
- 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
- 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
- 2011
- 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
- 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
- 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
- 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
- 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
- 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, , 2011, Nitrogen & global change: key findings - future challenges. 2 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 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, , 2011, In: Global Change Biology. 17, 5, p. 1884-1899 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2010
- 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
- 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
- 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. 105-106Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication
- 2009
- 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. 329-339Research output: Contribution to journal › Journal article › Research › peer-review
- 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, , 2009, In: Atmospheric Environment. 43, 33, p. 5193-5267 75 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 88-89Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication
- 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. 144Research output: Contribution to journal › Conference abstract in journal › Research
ID: 7631
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2118
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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)
Research output: Book/Report › Anthology › Research › peer-review
Published -
1472
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Ambient UV-B radiation decreases photosynthesis in high arctic Vaccinium uliginosum.
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
938
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The Biological Time Machine - Biological responses to multiple environmental and climatic changes: Environment and Stress, Ph.d. symposium at KVL October 2006
Research output: Contribution to conference › Conference abstract for conference › Research
Published