NFI knowledge about the Swiss forest
An information service about the Swiss National Forest Inventory by the Swiss Federal Research Institute WSL.
Attention! Due to a calculation error, we had to correct the figures for biomass and growing stock in living trees. The corrections affect NFI5 and the changes NFI4–NFI5. The corrected data was uploaded on September 9th, 2024.
Forest districts
The interim results of the fifth National Forest Inventory (survey years 2018-2022) can now also be queried by forest district.
Forest ants
Where do the five most common species of red wood ants (Formica rufa group) live in Switzerland? New maps provide information.