Selection from the list of topics

?help

your basket basket(0)

display result tabledisplay mapSelect a result from the list by clicking on one of the table or map symbols.

add to basketIf you would like to display more than one table or map at once, add it to the basket by clicking on the basket symbol. Repeat this until all tables you are interested in are selected. Afterwards open the basket and choose show all.

Filter Results

You can further limit your Results with filters. Hoovering over the info symbol i will display additional information.
Remove the filter by clicking on the filter again.

Filter Results

Inventory

(3)
i
2018/26
(3)
i
2009/17
(2)
i
2004/07
(2)
i
1993/95

Topic

(10)
i
Sum of the stem cross-sectional areas at a height of 1.3 m (level for measuring diameter at breast height [dbh]) of all living and dead trees and shrubs (standing and lying) with a dbh ≥12 cm. The total basal area corresponds to the sum of the basal area and the deadwood basal area.
show more...

Classification

(10)
i
Type of trees and shrubs ≥12 cm in diameter at breast height (dbh). The three most common species or species groups in Switzerland (spruce - Picea spp.; fir - Abies spp.; beech - Fagus sylvatica) are in individual classes, while the remaining species are classified as «other conifers» or «other broadleaves». Reference: Field Survey (MID 50: Baumart)
show more...

region

(10)
i
Demarcation of Switzerland into six regions with similar flora and fauna. The six regions correspond to the basic categories in the publication «The Biogeographical Regions of Switzerland», which was published by FOEN in 2022.
show more...

evaluation area

(4)
i
Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(4)
i
Forest that was less than two-thirds covered with shrubs in the five inventories NFI1 (1983-1985), NFI2 (1993-1995), NFI3 (2004-2006), NFI4 (2009-2017) and NFI5 (2018-2026) and was accessible on foot.
(2)
i
Forest that was less than two-thirds covered with shrubs in both NFI4 (2009-2017) and NFI5 (2018-2026) and is accessible on foot.

grid

(7)
i
Sub-grids 1, 2, 3, 4 and 5 of the field surveys on the sampling grid with a mesh size of 1.4 km (base grid).
(3)
i
NFI's sampling grid with a mesh size of 1.4 km. The 1.4-km grid is the grid size covering all the previous terrestrial Inventories, which is why it is also called the base grid.
search result: 10 entries on 1 page
LFI5 2018/26
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI4 2009/17
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest
1.4-km grid
LFI4 2009/17
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI4 2009/17
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI3 2004/07
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest
1.4-km grid
LFI3 2004/07
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI2 1993/95
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest
1.4-km grid
LFI2 1993/95
biogeographical region
total basal area
tree species (5 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
search result: 10 entries on 1 page

Citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory NFI. Result tables and maps of the NFI surveys 1983–2022 (NFI1, NFI2, NFI3, NFI4, NFI5.1–5) on the internet. [Published online 30.05.2023] Available from the World Wide Web <http://www.lfi.ch/resultate/> . Birmensdorf, Swiss Federal Research Institute WSL
https://doi.org/10.21258/1769925