Lo Persson

Lo Persson
I have a general interest in biology and I have specialized in aquatic ecology and migrating salmonids. Currently I’m a postdoc at the Norwegian Institute for Nature Research (NINA) in Trondheim and at SLU in Umeå.


My research profile

My research is focused on aquatic ecology and migrating salmonids. During my PhD education I worked with hatchery-reared Atlantic salmon and studied effects of different feeding regimes on the phenotype, the smolt migration, and the adult return rates. In my postdoc-project I’m looking at effects of genotype and growth on life history variation in Atlantic salmon. I have also worked with mapping possibilities for data collection for sea trout; environmental flows and effects on ecosystem services; and the process of constructing fish passage solutions in regulated rivers.  

I find the academic working environment extremely stimulating and rewarding and I hope my work will contribute to the conservation of aquatic ecosystems.


I have given lectures both at the undergraduate and master level at SLU and elsewhere. Topics that I have covered are related to fish and wildlife census techniques (including handling and tagging of fish); fish farming and aquaculture; and hydropower and fish passage.


Co-supervisor for PhD student James Losee, Apr 2021 - ongoing.

Co-supervisor for PhD student Linda Vikström, Jun 2018 - ongoing.

Supervisor for master student Emmy Nyberg, spring 2022.

Co-supervisor for master student Michelle von Ehr, spring 2022.

Publikationer i urval

Persson, L., Raunsgard, A., Thorstad, E.B., Østborg, G., Urdal, K., Sægrov, H., Ugedal, O., Hindar, K., Karlsson, S., Fiske, P., G.H. Bolstad. 2023. Iteroparity and its contribution to life-history variation in Atlantic salmon. Canadian Journal of Fisheries and Aquatic Sciences, 00, p. 1-16.

Bose, A., McCallum, E., Avramović, M., Bertram, M., Blom, E-L., Cerveny, D., Grønlund, S., Leander, J., Lundberg, P., Martin, J., Michelangeli, M., Persson, L., and T. Brodin. 2022. Pharmaceutical pollution disrupts the behavior and predator-prey interactions of two widespread aquatic insects. iScience, 25(12), p. 1-15.

Eikenberg, R., Andreasson, P., Aldvén, D., Persson, L. & Aberle, J. 2022. Construction of a full-scale physical model of an unstructured block ramp. In Proceedings of the 39th IAHR World Congress; 19-24 June 2022. Granada, Spain.

Shry, S., McCallum, E., Alanärä, A., Persson, L. och G. Hellström. 2019. Energetic status modulates facultative migration in brown trout (Salmo trutta) differentially by age and spatial scale. Frontiers in Ecology and Evolution 7 (411), p. 1-14.

Nevoux, M., Finstad, B., Grimsrud Davidsen, J., Finlay, R., Josset, Q., Poole, R., Höjesjö, J., Aarestrup, K., Persson, L., Tolvanen, O., & B. Jonsson. 2019. Environmental influences on life history strategies in partially anadromous brown trout (Salmo trutta). Fish and Fisheries, 20 (6), p. 1051- 1082.

Persson, L., A. Kagervall, K. Leonardsson, M. Royan, A. Alanärä. The effect of body size and energetic state on smolt migration in Atlantic salmon. Ecology of Freshwater Fish, accepted Aug 2018.

Persson, L., Leonardsson, K., and A. Alanärä. 2018. Manipulation of the energetic state of Atlantic salmon Salmo salar juveniles and the effect on migration speed. Journal of Fish Biology, 92 (4), p. 961-978.

Cashoin, T., Glaser, S., Persson, L., Roberts, P. M., and D. Zeller. 2017. Fisheries in Somali waters: Reconstruction of domestic and foreign cathces for 1950-2015. Marine Policy, 87, p. 275-283.

Hellström, G., Klaminder, J., Finn, F., Persson, L., Alanärä, A., Jonsson, M., Fick, J. & Brodin, T. 2016. GABAergic anxiolytic drug in water increases migration behaviour in salmon. Nature Communications 7.

Persson, L. and A. Alanärä. 2014. The effect of shelter on welfare of juvenile Atlantic salmon Salmo salar reared under a feed restriction regimen. Journal of Fish Biology, 85 (3) p. 645-656.

Näslund, J., Rosengren, M., Del Villar, D., Gansel, L., Norrgård, J., Persson, L., Winkowski, J., and E. Kvingedal. 2013. Hatchery tank enrichment affects cortisol levels and shelter-seeking in Atlantic salmon (Salmo salar). Canadian Journal of Fisheries and Aquatic Sciences, 70 (4) p. 585-590.

Zeller, D., Rossing, P., Harper, S., Persson, L., Booth, S. and D. Pauly. 2011. The Baltic Sea: estimates of total fisheries removals 1950-2007. Fisheries Research, 108 (2-3) p. 356-363.

Other publications

Alanärä. A. och L. Persson. 2021. Framtidens smolt under föränderliga förhållanden – en workshopserie i tre delar. Energiforsk, report 2021:794, p. 34.

Persson, L. and K. Leonardsson. 2020. Utformning och uppföljning av fiskpassagelösningar. Underlagsrapport till Havs- och Vattenmyndighetens webbvägledning. Report n. 4, Swedish University of Agricultural Sciences, dept. of Wildlife, Fish and Environmental Studies, p. 197. 

Persson, L., Jones, D., and L. Sandin. 2020. Ekosystemtjänstkartläggning av miljöanpassad vattenreglering. Appendix 2. In Nyttan med bättre vatten. Vattenmyndigheterna, no. 3411-2019.

Persson, L. and I. Karlsson. 2019. Finding Somalia’s missing fisheries. Re.Think. Finding Somalia’s missing fisheries | Rethink

Persson, L. 2017. Effects of feeding regimes on phenotype and performance in Atlantic salmon. Doctoral thesis no. 2017:100, Swedish University of Agricultural Sciences.

Alanärä, A., Rask, J., and L. Persson. 2017. Uppföljning av återvandrande lax. Rapport 2017:456, Energiforsk, p. 52.

Persson, L., Lindop, A., Harper, S., Zylich, K., and D. Zeller. 2016. Somalia. P. 390. In: Global Atlas of Marine Fisheries: A critical appraisal of catches and ecosystem impacts. Pauly, D. and D. Zeller (eds.), Island Press, Washington D.C.

Persson, L. 2016. Sweden (Baltic). P. 404 In: Global Atlas of Marine Fisheries: A critical appraisal of catches and ecosystem impacts. Pauly, D. and D. Zeller (eds.), Island Press, Washington D.C.

Persson, L. 2016. Sweden (West Coast). P. 405 In: Global Atlas of Marine Fisheries: A critical appraisal of catches and ecosystem impacts. Pauly, D. and D. Zeller (eds.), Island Press, Washington D.C.

Alanärä, A., Schmitz, M., and L. Persson. 2014. Funktionella metoder för odling av fysiologiskt naturanpassad smolt. Rapport 14:02, Elforsk, p. 66.

Persson, L. 2010. Sweden’s fisheries catches in the Baltic Sea (1950 - 2007). In:  Total marine fisheries extractions by country in the Baltic Sea: 1950-present. Rossing, P., Booth, S. and Zeller, D. (eds.).  Fisheries Centre Research Report  18 (1) 2010, Fisheries Centre, University of British Columbia, Vancouver, p. 225-263.

Persson, L. 2009. What is the estimated total catch of Swedish fishing in the Baltic Sea 1950-2007? Master thesis, Department of Wildlife, Fish and Environmental studies, Swedish University of Agricultural Sciences, Umeå, Sweden.