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We are investigating the impact of forest structures on the groundwater balance and their ability to protect against landslides.


What is a healthy forest? This question has been a concern of the WSL for over 100 years. A look back and forward in the magazine Diagonal.


Borkenkäfer, eingeschleppte Pilze und Wildverbiss: Der Waldschutzüberblick 2020 informiert über die Herausforderungen für Schweizer Wälder.


TerraRadTech brings a breakthrough water detection device to agriculture and environmental monitoring.


The Bödmerenwald near Muotathal has seen a significant increase in wood volume, dead wood and small habitats for insects and fungi.


Predating the eruption by 126 years provides crucial insights into climate variations at the end of the last ice age.


A huge mass of ice is threatening to fall from a glacier at the Italian side of Mont Blanc. Computer simulations help to determine safety measures.


Tree pests are on the increase in Switzerland. Researchers at the WSL Plant Protection Laboratory are on their trail. Read more in Diagonal.


Trees grow mainly at night, because dry air inhibits cell growth in day time, even in moist soil conditions, a new WSL study found out.


It makes a big difference whether the climate warms by 1, 1.5 or 2 degrees Celsius. This is shown in a recent study by ETH/WSL glaciologists.


Most of the damage resulted from floods triggered by thunderstorms or persistent rain, with the Lucerne region and Ticino being particularly affected.


Nature against stress, medicine from the cold and the forest facing new challenges: The new issue of DIAGONAL is all about health.



Researchers at WSL, SLF, ETH and the University of Zurich collaborated on the analysis of the devastating flood wave in the Indian Himalayas.


By supplying pine trees with labelled CO2, researchers have shown for the first time how sugars formed by trees are distributed in the soil.



The Swiss Federal Council has appointed Professor Beate Jessel as the new Director of WSL. She will take up her post on 1 September 2021.


A recent study has found that younger spruce forests are more susceptible to natural disturbances than those that already existed before 1880.


A new study of Scientists at EPFL and SLF shows how renewable energy can ensure optimal CO2 neutrality and energy independence.


What is Vapor Pressure Deficit and why does it matter for forests? A SwissForestLab video presents high-end research in this field.


With the Blue-Green Biodiversity research initiative, WSL and Eawag are participating in the search for solutions to preserve biodiversity.


WSL's first hiking guide allows users to discover Valais on foot while learning about research into forests, climate history and avalanches.