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Chlorine in the boreal landscape

PI: Fredrik Lidman

Cl has traditionally been viewed as a conservative element, but recent research has indicated that this may not always be the case. This project investigates the fluxes of Cl in the boreal landscape and tries to identify the sources of apparent excess Cl.


Si isotopes in the boreal landscape

PI: Fredrik Lidman

Si is the second most common element in Earth's crust. Since most minerals in forest soils are silicates, the biogeochemistry of Si is crucial for weathering and the release of nutrients to forest ecosystems. This project studies the fractionation of Si isotopes in forests and mires.


Sources of Fe in boreal mires

PI: Fredrik Lidman

Boreal mires are known to often export high amount of Fe, not seldom more than forests. The aim of this project is to identify where this Fe comes from using Fe isotopes.


The project tries to develop a method to trace and quantify the flow of minerogenic groundwater in mires based on Na

PI: Fredrik Lidman

The project tries to develop a method to trace and quantify the flow of minerogenic groundwater in mires based on Na


Quantification of weathering and transport using Eu anomalies

PI: Fredrik Lidman

The project aims to develop a new method to quantify weathering and transport using Eu anomalies.


The mobility of immobile elements (Ti and Zr)

PI: Fredrik Lidman

The project studies the mobility of Ti and Zr in the boreal landscape. These elements are often assumed to be immobile, i.e. not weathered or transported, and they are therefore often used to quantify weathering.


Project continous-cover forestry northwestern Sweden - pilot Juktan

PI: Fredrik Sjödin

The project aims to compare traditional large area clear-cutting methods to alternative clear-cutting and continous-cover forestry for forests in northwestern Sweden. Measurements will be made mainly on different regeneration types and growth in remaining stands. There will be several sites in northwestern sweden for this study that will be set out following years 2019. The pilot study that started in 2019 is located close to the shores lake Stor-Juktan, Sorsele. The project is a collaboration between SLU, Sveaskog and the Swedish Forestry board.

continous-cover forestrylow productive forestsRegeneration

Birch spruce replacement

PI: Emma Holmström

The purpose of the experiment is to have long term measurements of growth and stand development of the two species in monoculture vs mixture. The first treatments are initiated after regeneration on sites with planted Norway spruce and naturally regenerated birch where the two species are within the same average heights. First treatment is a pre-commercial thinning aiming for stand composition in four different levels : Every block is divided in four treatments with 100 % Norway spruce (NS), 100 % Birch, mixture 33 % NS and 66 % Birch, mixture 66 % NS and 33 % birch.

birchforest managementsilviculturespruce