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NEWS

15.09.2020

Beech trees become stressed in dry summers – but not everywhere. If they find water reserves deep in the soil, their crown remains green.

22.07.2020

With topics ranging from insect mortality to environmental policy, the research initiative "Blue Green Biodiversity" presents its first 13 projects.

16.07.2020

How heavily are soils in Europe contaminated with radioactive caesium and plutonium? A Swiss-led international study provides a new map.

 

13.07.2020

While biodiversity is shrinking globally, there may be different trends locally, a large-scale study with WSL participation shows.

29.05.2020

A study with the participation of WSL professor Charlotte Grossiord published in Science shows the impact of global warming on forest age structure.

20.04.2020

Yann Vitasse painted the buds of saplings for an experiment on leaf emergence in spring. He explains why in the blog.

26.03.2020

During the 2018 summer drought, beech trees dropped their fruit early. WSL researchers were now able to document this response in forest trees.

19.03.2020

Did the warm winter 2019/20 harm forest trees? An experiment at the WSL investigates this question.

27.02.2020

Climate change affects the water conditions in the atmosphere, increasing trees' water stress. WSL researchers are investigating the phenomenon.

26.02.2020

Take a look behind the scenes of our work. What does forest protection mean in practice?

Video with subtitles in various languages.

26.02.2020

In 2019, bark beetle damage reached 1.4 million m3 of spruce wood. This is the second highest level ever recorded apart from the year 2003.

20.02.2020

Transmission without alteration of genetic information: trees pass on environmental changes to their offspring, a WSL study has found.

04.02.2020

Numerous organisms rely on deadwood for survival. A new WSL factsheet explains how to recognize and protect those old important trees (in German).

28.01.2020

Airborne nitrogen stimulates tree growth, but a new study has found that this growth is limited by a lack of other nutrients.

14.01.2020

The dendrochronologist Fritz Schweingruber passed away on 7 January 2020. For almost 50 years, he made an outstanding contribution to the WSL.

01.12.2019

Der Nordische Fichtenborkenkäfer ist erstmals in der Schweiz und in Liechtenstein entdeckt worden. Er besiedelt vor allem Fichten.

15.11.2019

Two new WSL projects deal with current threats to ash trees in Europe. (In German and French)