Trial lecture: "Ecological speciation - the concept, and the examples"
Time and place: 29 Sep. 2023, 10:15 AM, Nucleus, Bikuben, Kristine Bonnevies hus
Main research findings:
This thesis sums up several approaches on how the threespine stickleback are handling salinity changes, both over long time periods, through population genetic and morphometric analysis, and over shorter time periods, by exposing fish from saltwater and freshwater to their native and opposite salinity, before measuring oxygen consumption, gene regulation and sperm movement. The results showed that there are genetic and morphometric differences between populations inhabiting different salinities, but there were few major short-time changes in oxygen consumption, gene regulation, and sperm mobility.
![Illustration: Stickleback](/ibv/english/research/news-and-events/events/disputations/2023/stickleback.png)
Adjudication committee
Professor Kerstin Johannesson, Department of Marine Sciences, University of Gothenburg
Professor Joost Raeymaekers, Faculty of Biosciences and Aquaculture, Nord University
Professor Anne Brysting, Department of Biosciences, University of Oslo
Chair of defense
Associate Professor Bastiaan Star, Department of Biosciences, University of Oslo
Supervisors
Professor Asbjørn Vøllestad, Department of Biosciences, University of Oslo
Professor Kjetill Sigurd Jakobsen, Department of Biosciences, University of Oslo
Professor Helene Marie Lampe, Department of Biosciences, University of Oslo