Helge Ro-Poulsen
Emeritus
- Published
In situ Autumn ozone fumigation of mature Norway Spruce - Effects on Net Photosynthesis
Mikkelsen, T. N. & Ro-Poulsen, Helge, 2002, In: Phyton (Austria). 42, p. 97-104Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A delayed effect of ozone fumigation on photosynthesis of Norway spruce
Eamus, D., Barnes, J. D., Mortensen, L., Ro-Poulsen, Helge & Davison, A. W., 1989, In: Annals of Forest Science. 46 (suppl.), p. 568-572Research output: Contribution to journal › Journal article › Research
- 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
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
- 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
- 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
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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
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
- 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 - 574Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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
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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