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Inventory

(28)
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2018/26
(28)
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2009/17
(21)
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2004/06
(21)
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1993/95
(13)
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1983/85

Topic

basal area
number of stems
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Classification

(111)
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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)
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region

(111)
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Demarcation of Switzerland into five regions (Jura, Plateau, Pre-Alps, Alps and Southern Alps) with relatively uniform growth and timber production conditions. The production regions were established by the Federal Office of Forestry long before the first National Forest Inventory (NFI1, 1983-1985). With a small exception along Lake Geneva, the boundaries of the production regions still follow the municipal boundaries of the time. Unlike the NFI, the Forestry Statistics of the Federal Statistical Office don't use the production regions as demarcation but rather the forestry zones, whose boundaries are somewhat different.
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evaluation area

(111)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
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grid

(28)
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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).
(83)
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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: 111 entries on 7 pages
LFI5 2018/26
production region
basal area
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
production region
growing stock (stemwood)
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
production region
number of stems
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
production region
total basal area
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
production region
total number of stems
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
production region
total wood volume (stemwood)
tree species (5 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
production region
total wood volume (stemwood)
tree species (5 classes)·tree state (living/dead)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 m³
search result: 111 entries on 7 pages

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