Sami Ojanen


Description of research and teaching

I graduated in 2001 from the University of Helsinki with animal physiology as my major and minors in genetics and biochemistry. The next five years I worked in the National Public Health Institute (currently National Institute for Health and Welfare) and completed my degree of Licentiate in Neurobiology. After this, I joined an Academy of Finland funded Centre of Excellence in Metapopulation Research, where I did work from 2007 until 2017, doing all sorts of IT, technical and administrative tasks. I was also responsible for managing and supervising annual large-scale field surveys of  Glanville fritillary butterfly in the Åland islands. Since 2017 I have been working in the Research Services as a team leader in Project Coordination Services.


During my research career in the National Public Health Institute, and more precisely in the Alcohol Research Centre, my research was focused on the long-term effects of repeated alcohol and drug use. Repeated use of drugs of abuse induces permanent changes in the brain that together with environmental factors, can promote the development of addiction. Later in the Metapopulation Research Centre, I participated in population ecology and evolution related research using Glanville fritillary butterfly metapopulation in the Åland Islands as a model for various research aspects.


Latest publications

  1. Ecological and genetic basis of metapopulation persistence of the Glanville fritillary butterfly in fragmented landscapes

    Hanski, I., Schulz, T., Wong, S. C., Ahola, V., Ruokolainen, A. & Ojanen, S. P., 17 Feb 2017, In : Nature Communications. 8, 11 p., 14504.

    Research output: Contribution to journalArticleScientificpeer-review

  2. Spatial and temporal genetic structure at the fourth trophic level in a fragmented landscape

    Nair, A., Fountain, T., Ikonen, S., Ojanen, S. P. & van Nouhuys, S., 25 May 2016, In : Proceedings of the Royal Society B. Biological Sciences. 283, 1831, 8 p., 20160668.

    Research output: Contribution to journalArticleScientificpeer-review

  3. The Glanville fritillary genome retains an ancient karyotype and reveals selective chromosomal fusions in Lepidoptera

    Ahola, V., Lehtonen, R., Somervuo, P., Salmela, L., Koskinen, P., Rastas, P., Valimaki, N., Paulin, L., Kvist, J., Wahlberg, N., Tanskanen, J., Hornett, E. A., Ferguson, L. C., Luo, S., Cao, Z., de Jong, M. A., Duplouy, A., Smolander, O-P., Vogel, H., McCoy, R. C. & 27 othersQian, K., Wong, S. C., Zhang, Q., Ahmad, F., Haukka, J. K., Joshi, A., Salojarvi, J., Wheat, C. W., Grosse-Wilde, E., Hughes, D., Katainen, R., Pitkanen, E., Ylinen, J., Waterhouse, R. M., Turunen, M., Vaharautio, A., Ojanen, S. P., Schulman, A. H., Taipale, M., Lawson, D., Ukkonen, E., Makinen, V., Goldsmith, M. R., Holm, L., Auvinen, P., Frilander, M. J. & Hanski, I., Sep 2014, In : Nature Communications. 5, 9 p., 4737.

    Research output: Contribution to journalArticleScientificpeer-review

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Latest activities

  1. Autumn survey of Glanville fritillary butterfly

    Sami Ojanen (Participant)
    31 Aug 201315 Sep 2013

    Activity: Other activity typesTypes for other activities - External teaching and subject coordination

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