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Johannes Larson

Johannes Larson
I study how groundwater availability affects soil organic carbon, nutrient accumulation and tree growth

Research

In my PhD-project I study availability of groundwater and how it affects soil organic carbon, nutrient accumulation and tree growth.

By using a high density tree and soil survey in relation to high resolution hydrological maps, I try to understand the spatial variation of soil properties and forest growth. All my reseach is conducted within the Krycklan Catchment. 

Further understanding of how hydrology controls the spatial variation of soil properties and forest growth can be used to locate areas of with high potential of forest growth and carbon sequestration. My reseach also tries to further the understanding of  the commonly observed production gradients along slopes in Boreal landscapes, moving from recharge to discharge areas.

Selected publications

Larson, J., Lidberg, W., Ågren, A. M., and Laudon, H.: Predicting soil moisture conditions across a heterogeneous boreal catchment using terrain indices, Hydrol. Earth Syst. Sci., 26, 4837–4851, https://doi.org/10.5194/hess-26-4837-2022, 2022.

Ågren, A.M., Larson, J., Paul, S.S., Laudon, H. & Lidberg, W. (2021). Use of multiple LIDAR-derived digital terrain indices and machine learning for high-resolution national-scale soil moisture mapping of the Swedish forest landscape. Geoderma, 404, 115280. https://doi.org/10.1016/j.geoderma.2021.115280

 

Links

My study site: The Krycklan Catchment


Contact

Doctoral Student at the Department of Forest Ecology and Management; Department of Forest Ecology and Management, joint staff
Postal address:
SLU,
Skogens ekologi och skötsel
901 83 Umeå
Visiting address: Skogsmarksgränd 17, Umeå