Helge Ro-Poulsen
Emeritus
- 1997
- Published
Effects of increased UV-B radiation and elevated levels of tropospheric ozone on physiological processes in European Beech (Fagus sylvatica)
Zeuthen, J., Mikkelsen, T. N., Ro-Poulsen, Helge & Paludan-Müller, G., 1997, In: Physiologia Plantarum : An International Journal for Plant Biology. 100, p. 281-290Research output: Contribution to journal › Journal article › Research › peer-review
- 1996
- Published
Carbon and water balance for a mixed forest stand in relation to ozone uptake
Mikkelsen, T. N., Ro-Poulsen, Helge, Hovmand, M. F., Hummelshøj, P. & Jensen, N. O., 1996, Critical levels for Ozone-Experiments with crops, wild plants and forest tree species in the Nordic countries. København: Nordic Council of Ministers, p. 80-85Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Critical levels of ozone for wood production of European beech (Fagus Sylvatica L.)
Mortensen, L., Bastrup-Birk, A. & Ro-Poulsen, Helge, 1996, In: Water, Air and Soil Pollution. 85, p. 1349-1354Research output: Contribution to journal › Journal article › Research
- Published
Ozone effects on primary productivity in current year shoots of 35 years old Norway spruce
Mikkelsen, T. N. & Ro-Poulsen, Helge, 1996, Critical levels for Ozone-Experiments with crops, wild plants and forest tree species in the Nordic countries. København: Nordic Council of Ministers, p. 73-79Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1995
- Published
Long term in situ measurements of gas exchange in a Norway spruce canopy at ambient and elevated ozone levels using a light weight chamber system - chamber design and preliminary results
Mikkelsen, T. N. & Ro-Poulsen, Helge, 1995, In: Water, Air and Soil Pollution. 85 (3), p. 1413-1418Research output: Contribution to journal › Journal article › Research › peer-review
- 1994
Atmosfærens stoftilførsel til danske skovøkosystemer
Hovmand, Mads Frederik, Andersen, H. V., Bille-Hansen, J. & Ro-Poulsen, Helge, 1994, In: Danmarks Miljoeundersoegelser. Faglig Rapport. 98, p. 59Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Critical levels for tropospheric ozone
Mikkelsen, T. N., Ro-Poulsen, Helge & et al, 1994, København: Nordic Council of Ministers. 63 p.Research output: Book/Report › Book › Research
- Published
Exposure of Norway spruce to ozone increases the sensitivity of current years needles to photoinhibition and desiccation
Mikkelsen, T. N. & Ro-Poulsen, Helge, 1994, In: New Phytologist. 128, p. 153-163Research output: Contribution to journal › Journal article › Research › peer-review
- 1993
- Published
- Published
Physiology of the Norway spruce trees growing on the danish EXMAN site
Mikkelsen, T. N. & Ro-Poulsen, Helge, 1993, Experimental Manipulations of biota and biogeochemical cycling in Ecosystems. Ecosystems Research Report 4. Brussels, p. 244-246Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
ID: 7631
Most downloads
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2167
downloads
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 -
1489
downloads
Ambient UV-B radiation decreases photosynthesis in high arctic Vaccinium uliginosum.
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
947
downloads
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