Plant ecology. Vegetation dynamics. Biological diversity. Endangered species. Vegetation monitoring. Effects of air pollution and climate change. Terrestrial liming. Environmental Impact Assessment. Conservation. Soil analysis. Cultural landscape and management. Studies on interactions between vegetation, fire and browsing/grazing of animals. Multivariate data analysis in plant communities and biogeography.
Vegetation ecology; Boreal and sub-arctic ecosystems; Climate impacts; Climate-vegetation-animal interactions; Natural forest dynamics; Treeline dymanics; Biodiversity; Permafrost change
Biodiversity, pollution ecology, climate change, cultural landscapes, mountains, mires, bogs, mosses, plants, plant ecology, vegetation ecology, vegetation monitoring, natural habitat mapping according to NiN, statistical analyses.