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
- 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. 346Research output: Contribution to journal › Conference abstract in journal › Research
- 2008
- 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
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-11698Research output: Contribution to journal › Conference abstract in journal › Research
- 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
- 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
- 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
- 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, , 2008.Research output: Contribution to conference › Conference abstract for conference › Research
- 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. 70-71Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication
- 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, , 2008, In: Functional Ecology. 22, 1, p. 185-195 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- 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
- 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
- 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. 80-81Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication
- 2007
- 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. 10Research output: Contribution to journal › Conference abstract in journal › Research
- 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
- 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
- 2006
- 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. 89-90Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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
- 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. 7437-7448Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 7963-7974Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 90-91Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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
- 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. 515-522Research output: Contribution to journal › Journal article › Research › peer-review
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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)
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Ambient UV-B radiation decreases photosynthesis in high arctic Vaccinium uliginosum.
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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
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