The main focus of my research is drivers of productivity and biogeochemical interactions between primary producers and their environment in running waters in the Boreal and Arctic. In my 1st post-doc project I work with effects of forestry on freshwaters and the downstream propagation of clear cut effects in particular. In my PhD project I answered questions about fundamental aquatic ecological processes such as drivers of productivity and use of resources, in a landscape under rapid change due to climate warming. More specifically, I studied how nutrients and carbon are utilized and cycled within arctic and boreal freshwaters and how it effects productivity over different spatial and temporal scales.
In the current research project that I work in, we evaluate the environmental effects of open cage fish farming on lake ecosystems. We study both food-web effects, water quality effects and primary production changes.
Co-Course leader, MSc course Forest Ecosystem Ecology (SLU)
PhD Physical Geography. 2021. EMG, Umeå, Sweden
MSc Geoecology. 2015. EMG, Umeå, Sweden
BSc Biology and Earth Science. 2012. EMG, Umeå, Sweden
M Myrstener, C Greiser, and L Kuglerová. Downstream temperature effects of boreal forest clearcutting vary with riparian buffer width. Water Resources Research 2025.
M Myrstener, L A. Greenberg, W Lidberg and L Kuglerová. Clear-cut effects on instream metabolic rates propagate downstream. Journal of Environmental management 2025.
M Myrstener, L A Greenberg, L Kuglerová. Experimental riparian forest gaps and increased sediment loads modify stream metabolic patterns and biofilm composition. Ecosphere 2023.
D Hauptmann and M Myrstener. Spatial and temporal patterns of stream nutrient limitation in an Arctic catchment. Hydrobiologia, 2023.
I M Puts, J Ask, M Myrstener, A-K Bergström. Contrasting impacts of warming and browning on periphyton. Limnology and Oceanography letters, 2023.
M Myrstener, M L Fork, R A Sponseller. Resolving the Drivers of Algal Nutrient Limitation from Boreal to Arctic Lakes and Streams Ecosystems, 2022.
M Myrstener, S A Thomas, R Giesler, R Sponseller. Nitrogen supply and physical disturbance shapes Arctic stream nitrogen uptake through effects on metabolic activity. Freshwater Biology. 2021
M Myrstener, L Gomez Gener, G Rocher-Ros, R Giesler, R A Sponseller. Nutrients influence seasonal metabolic patterns and total productivity of Arctic streams. Limnology and Oceanography, 2021.
G Rocher‐Ros, R A Sponseller, A‐K Bergström, M Myrstener, R Giesler. Stream metabolism controls diel patterns and evasion of CO2 in Arctic streams. Global Change Biology, 2020.
M Myrstener, G Rocher‐Ros, R M Burrows, A‐K Bergström, R Giesler, R A Sponseller. Persistent nitrogen limitation of stream biofilm communities along climate gradients in the arctic. Global Change Biology, 2018.
M Myrstener, A Jonsson, A-K Bergström. The effects of temperature and resource availability on denitrification and relative N2O production in boreal lake sediments. Journal of Environmental Sciences, 2016.