Research output per year
Research output per year
Personal profile
Current research
Terrestrial, natural ecosystems in NW Europe; heathlands, ombrotrophic mires, grasslands & forests; air pollution impact on vegetation structure and dynamics; biological indication and monitoring of environmental pollution; UV-B effects on high arctic heath vegetation; ecological consequences of global climate change (green-house effect, ozone layer depletion).Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Keywords
- Faculty of Science
- effects og air pollution
- nature conservation
- nature management
- terrestrial plant ecology
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Dive into the research topics where Ib Johnsen is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
- 6 Similar Profiles
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Epifyterne på træerne på Æbelø
Johnsen, I., 2000, .. aage V. Jensens Fonde, p. 81-85Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Air pollution problems
Johnsen, I., 2000, Principles of Pollution Abatement. Oxford, UK: Elsevier, p. 357-377Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Indications of UV-B sensitivity in the lichen Cladonia mitis
Johnsen, I. & Heide-Jørgensen, H., 1993, Proceedings of the first European symposium on effects of enviromental UV radiation, Munich 27-29 October 1993. Bruxelles: Commission of the European CommunitiesResearch output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Danmarks natur og den naturvidenskabelige forskning
Johnsen, I., 2000, Redegørelse fra NATFAK til Forskningsministeren og Undervisningsministeren, bilag B. p. 5-5Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Ecosystem vulnerability to climate change in Greenland and the Faroe Islands
Heide-Jørgensen, H. & Johnsen, I., 1997, In: Arbejdsrapport fra Miljøstyrelsen (Working report). 97, p. 1-266Research output: Contribution to journal › Journal article › Research
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The lichen-rich coastal heath vegetation on the isle of Anholt, Denmark - description, history and development
Christensen, S. & Johnsen, I., 2001, In: Journal of Coastal Conservation. 7, p. 1-12 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
17 Citations (Scopus) -
Analysis of surface structures of Cladonia mitis podetia in historic and recent collections from Greenland
Heide-Jørgensen, H. & Johnsen, I., 1995, In: Canadian Journal of Botany. 73, 3, p. 457-464Research output: Contribution to journal › Journal article › Research › peer-review
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The effects of UV-B radiation on European heathland species
Björn, L. O., Callaghan, T. V., Johnsen, I., Lee, J. A., Manetas, Y., Paul, N. D., Sonesson, M., Wellburn, A. R., Coop, D., Heide-Jørgensen, H., Gehrke, C., Gwynn-Jones, D., Johanson, U., Kyparissis, A., Levizou, E., Nikolopoulos, D., Petropoulou, Y. & Stephanou, M., 1997, In: Plant Ecology. 128, 1-2, p. 253-264Research output: Contribution to journal › Journal article › Research › peer-review