Projects per year
Organization profile
Organisation Profile
We investigate the winter ecology and overwintering strategies of plants. Much of the work is focused on the seasonality of plants in a warming winter climate, with special emphasis on the role of snow in northern ecosystems. We have applied a range of methods, such as overwintering experiments under diverse climatic conditions in the field (reciprocal overwintering experiments), snow manipulations, growth chamber experiments, and ecophysiological modelling.
Our recent topics include:
- photosynthetic activity of plants outside growing season and under snow
- effects of microclimate on arctic-alpine plants
- effects of winter climate on annual plants
- invasive species in a warming winter climate
- winter dormancy and phenology of plants in a warming climate
- interactions between canopy, snow and vegetation
Group leader: Dr. Helena Åström
International and National Collaboration
Publications and projects within past five years.
Profiles
Helena Åström
- Viikki Plant Science Centre (ViPS)
- Plant Ecophysiology and Climate Change Group
- Organismal and Evolutionary Biology Research Programme - University Lecturer
- Doctoral Programme in Plant Sciences - Supervisor for doctoral programme
Person: U3 Research and teaching staff, UH
Timo Saarinen
- Biosciences - Title of Docent
- Plant Ecophysiology and Climate Change Group
- Organismal and Evolutionary Biology Research Programme - Project Planner
- Doctoral Programme in Plant Sciences - Supervisor for doctoral programme
Person: M4 Administrative staff, UH
Projects 1998 2019
The effect of snowmelt timing on the timing of plant senescence in Svalbard
The Research Council of Norway
13/06/2016 → …
Project: Research project
Invasive plant species in a warming winter climate
Waldemar von Frenckells stiftelse
01/06/2015 → …
Project: Research project
ViPS: Viikki Plant Science Centre
Elomaa, P., Aphalo, P., Asiegbu, F., Bäck, J., Berninger, F., Brosche, M., Fagerstedt, K., Hänninen, H., Heinonsalo, J., Helariutta, Y., Himanen, K., Hölttä, T., Hytönen, T., Hyvönen, J., Kangasjärvi, J., Kärkönen, A., Korpelainen, H., Laine, A., Mähönen, A. P., Mäkelä, A., Mäkinen, K., Ojala, A., Overmyer, K., Palonen, P., Palva, E. T., Pihlatie, M., Pirhonen, M., Porcar-Castell, A., Pumpanen, J., Rikkinen, J., Robson, T. M., Salojärvi, J., Schulman, A., Stoddard, F., Teeri, T., Valkonen, J., Vesala, T., Wrzaczek, M. & Sims-Huopaniemi, K.
01/01/2015 → …
Project: Other project
The effect of microclimate on subarctic-alpine plants
Suomen Metsätieteellinen Seura ry, Societas pro Fauna et Flora Fennica
01/01/2014 → …
Project: Research project
Publications 2001 2020
Beyond rest and quiescence (endodormancy and ecodormancy): A novel model for quantifying plant-environment interaction in bud dormancy release
Lundell, R., Hänninen, H., Saarinen, T., Åström, H. & Zhang, R., Jan 2020, In : Plant, Cell and Environment. 43, 1, p. 40-54 15 p.Research output: Contribution to journal › Article › Scientific › peer-review
Kuulumisia biotieteiden tiedekasvatuksesta
Åström, H., Fagerstedt, K. & Merenheimo, S., 20 Jun 2019, 3 p.Research output: Other contribution
TUTTU-hanke. TUTkimuksellinen ja Toiminnallinen Ulkonaoppiminen
Lindholm, S. M. H. (ed.) & Åström, H. (ed.), 14 Dec 2019, Helsinki: Helsingin yliopisto. 220 p.Research output: Book/Report › Anthology or special issue
Botanical E-learning material: Kasvitieteen retkeilyt Lammille ja Ahvenanmaalle. Botaniska exkursioner till Lampis och Åland. Omatoimista opiskelua tukeva Open Acess -verkkomateriaali
Åström, H. M., Rikkinen, J. K., Enroth, J. & Stam, Å. C. S., 2018Research output: Non-textual form › Digital or Visual Products › Scientific
Open Access
Botanical E-learning material: Talvivihreät kasvit koululaisille. Vintergröna växter för skolelever. Omatoimista opiskelua tukeva Open Access -verkkomateriaali
Åström, H. M., Saarinen, T. P. & Rikkinen, J. K., 2018Research output: Non-textual form › Digital or Visual Products › Scientific
Open Access
Activities 2001 2019
Maisteritutkielman ohjaus
Helena Åström (Participant), Timo Saarinen (Participant)2019 → 2020
Activity: Other activity types › Types for other activities - Other
Interview, RTE (the national broadcaster) in Ireland
Helena Åström (Participant)18 Feb 2019
Activity: Other activity types › Types for other activities - Other
The Matriculation Examination Board (External organisation)
Timo Saarinen (Board member)1 Jan 2019 → …
Activity: Membership types › Membership or other role in public Finnish or international organization
Maisteritutkielman ohjaus
Helena Åström (Supervisor), Maija Katariina Aksela (Supervisor)2018 → 2019
Activity: Examination types › Supervision of other thesis (Master's, Licentiate)
The Matriculation Examination Board, Finland (External organisation)
Timo Saarinen (Board member)1 Jan 2018 → 31 Dec 2018
Activity: Membership types › Membership or other role in public Finnish or international organization