Search: Swiss Forestry

Perspectives

Long-term forest ecosystem research south of the Alps: the results

Perspective The monitoring and study of forests south of the Alps have enabled us to gain a deeper understanding of the effects of climate change and air pollution: the frequency and intensity of (...)

02/2025

Fig. 1 Point dendrometers automatically measure changes in the radius of tree trunks.

Knowledge

Growth and drought stress – physiological characterisation of Swiss forest trees

The monitoring network TreeNet uses automatic sensors on tree stems – so-called point dendrometers – to study the water balance and growth of forest trees at around 70 sites in Switzerland (incl. 13 (...)

02/2025

Knowledge

Trends in atmospheric deposition and effects on soil water quality and tree nutrition

Long-term forest ecosystem research (LWF) in Switzerland provides detailed results on the impacts of air pollution and climate change on forest soils and tree nutrition. Since the 1980s, sulphur (...)

02/2025

Knowledge

Changes in forest understorey vegetation over 25 years at LWF sites

The understorey vegetation is a major component of the biodiversity in forest ecosystems. Its species composition has been recorded since the mid-1990s at intervals of two to ten years within the (...)

02/2025

Knowledge

25 years of growth development in 19 Swiss forests under increasing drought

Forests are an important carbon sink but are under increasing pressure due to more frequent climate extremes such as heat and drought. After 25 years of monitoring at the 19 sites of the Long-Term (...)

02/2025

Perspectives

Good things take time: findings on forest health from long-term observations

The condition of the tree crown is an important indicator of the vitality of a tree. In Swiss forests, the crown condition has been surveyed since 1985 as part of the Sanasilva inventories and since (...)

02/2025

Fig. 1 LWF area in Davos with rain and snow collectors.

Kick-off

30 years of Long-Term Forest Ecosystem Research: synthesis and outlook

Forests are of vital importance for biodiversity, climate regulation and other ecosystem services. The Long-Term Forest Ecosystem Research (LWF) conducted by the Swiss Federal Institute for Forest, (...)

02/2025

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Printed issue

Long-term forest ecosystem research south of the Alps: the results

Growth and drought stress – physiological characterisation of Swiss forest trees

Trends in atmospheric deposition and effects on soil water quality and tree nutrition

Changes in forest understorey vegetation over 25 years at LWF sites

25 years of growth development in 19 Swiss forests under increasing drought

Good things take time: findings on forest health from long-term observations

30 years of Long-Term Forest Ecosystem Research: synthesis and outlook