NFI Results

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Inventory

(35)
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1983/85

Topic

(35)
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Stemwood volume of all dead trees and shrubs (standing and lying) with a diameter at breast height (dbh) ≥12 cm with bark recorded according to the NFI1 method. In NFI1, dead trees were only included if their wood was still usable. In addition, lying but still green trees were classified as deadwood.
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Classification

(35)
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Classification of trees and shrubs ≥12 cm in diameter at breast height (dbh) into standing or lying. Reference: Field Survey (MID 58: Bemerkungen, MID 1018: Baumzustand)
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region

(7)
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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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Division of Switzerland into 14 regions (2 in the Jura, 3 on the Plateau, 3 in the Pre-Alps, 5 in the Alps and 1 in the Southern Alps). The economic regions are a subdivision of the production regions according to economic-geographical criteria.
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Demarcation of Switzerland used in NFI for protection forest analyses. The six protection forest regions were derived from the economic regions by combining individual regions according to natural and statistical criteria.
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Regional demarcation with the cantons as a unit, with the two half-cantons, Basel-Land and Basel-Stadt, combined into one canton for statistical reasons.
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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.

evaluation area

(35)
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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

(35)
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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: 35 entries on 2 pages
12
LFI1 1983/85
production region
volume of deadwood (stemwood) NFI1
tree state (standing/lying)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 m³
LFI1 1983/85
economic region
volume of deadwood (stemwood) NFI1
tree state (standing/lying)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 m³
LFI1 1983/85
protection forest region
volume of deadwood (stemwood) NFI1
tree state (standing/lying)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 m³
LFI1 1983/85
canton
volume of deadwood (stemwood) NFI1
tree state (standing/lying)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 m³
LFI1 1983/85
biogeographical region
volume of deadwood (stemwood) NFI1
tree state (standing/lying)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 m³
LFI1 1983/85
production region
volume of deadwood (stemwood) NFI1
conifers and broadleaves·tree state (standing/lying)
accessible forest without shrub forest
1.4-km grid
column total, %
subtotal, %
search result: 35 entries on 2 pages
12

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