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Staff photo Josefine Walz

Josefine Walz

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Affiliation
Affiliated as postdoctoral position at Department of Ecology and Environmental Sciences Units: Grant
Location
KBC-huset, Linnaeus väg 6, Umeå Umeå universitet, 901 87 Umeå

I have a profound interest in landscape evolution and soil processes of the Earth’s cold regions. Previously, I worked on greenhouse gas production from degrading permafrost in Siberia. Most of this research took place in summer.

In the current winter ecology project in Abisko and Vassijaure, however, I will focus on the role of winter processes in plant and microbial carbon transformations. I am measuring year-round CO2 fluxes, both photosynthetic uptake, and respiratory losses. The respiration flux is also partitioned into plant-related respiration, and microbially-driven soil respiration using a 13C labeling approach. Overall, this project will give us a better insight into cold-season CO2 emissions from high-latitude ecosystems and a better constraint of an often-neglected climate-feedback.

Global Change Biology, John Wiley & Sons 2020, Vol. 26, (11) : 6616-6629
Lembrechts, Jonas J.; Aalto, Juha; Ashcroft, Michael B.; et al.
Nature Geoscience, Nature Publishing Group 2020, Vol. 13, (12) : 794-+
Monteux, Sylvain; Keuper, Frida; Fontaine, Sebastien; et al.

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