Katri E. Tolonen

Ecology in practice

I got my Doctoral degree in freshwater ecology in January 2018. In my thesis I studied the taxonomic and functional organization of macroinvertebrate communities in subarctic streams. After that I have gotten a little sidetracked from “pure research” as I am currently working as an environmental planner in a growing city in Southern Finland. In my job, I have had the opportunity put my knowledge about ecology into practice.

I get easily excited about new stuff and often find myself struggling with the thought that I just dont´t have enought time to learn and do everything I would like.

My keywords

Nature conservation


Continuous learning

Dogs and horses, grooming my new garden


Tolonen, K.E.  Lehtoranta, V., Väisänen, S., Rintala, J., Rahkila, R., Aroviita, J. & Hellsten, S. 2019. Vapaaehtoiset toimijat vesiensuojelun uudeksi voimavaraksi tulevaisuudessa. Vesitalous 4/2019: 30-35         

Tolonen, K.E., Picazo, F., Vilmi, A., Datry, T., Paril, P., Rocha, M.P., Stubbington, R. & Heino, J. 2019. Parallels and contrasts between intermittently freezing and drying streams: from individual adaptations to biodiversity variation. Freshwater Biology 64: 1679-1691                               

Zhang Y., Cheng L., Tolonen K.E., Yin H., Gao J., Zhang Z., Li K,  Cai Y. 2018. Substrate degradation and nutrient enrichment structuring macroinvertebrate assemblages in agriculturally dominated Lake Chaohu Basins, China. Science of The Total Environment 627: 57-66

Tolonen K.E., Leinonen K., Erkinaro J. & Heino J. 2018. Ecological uniqueness of macroinvertebrate communities in high- latitude streams is a consequence of deterministic environmental filtering processes. Aquatic Ecology 52: 17–33

Vilmi A., Alahuhta J., Hjort J., Kärnä O-M., Leinonen K., Rocha M. P., Tolonen K.E., Tolonen K., & Heino J. 2017. Geography of global change and species richness in the North. Environmental Reviews 25: 184-192

Tolonen K.E., Leinonen K., Marttila H., Erkinaro J. & Heino J. 2017. Environmental predictability of taxonomic and functional community composition in high-latitude streams. Freshwater Biology: 62: 1–16

Tolonen K.E., Tokola L., Grönroos M., Hjort J., Kärnä O-M., Erkinaro J. & Heino J. 2016. Hierarchical decomposition of trait patterns of macroinvertebrate communities in subarctic streams. Freshwater Science 35: 1032-1048


Tolonen K.E. 2018. Pohjoisten virtavesien pohjaeläinyhteisöjen taksonominen ja toiminnallinen rakenne.  Acta Universitatis Ouluensis. A 707, Scientiae rerum naturalium. Stable url: http://urn.fi/urn:isbn:9789526217673.