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Inventory

(10)
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1993/95–2004/06

Topic

(10)
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Stemwood volume of all trees and shrubs with a diameter at breast height (dbh) ≥12 cm with bark that were not removed from the forest as part of silvicultural planning, but because they had been damaged (e.g. by windthrow, avalanches, insects or rockfall). The variable is derived at the sample plot level from the harvested tally trees and the proportion of sanitary/salvage fellings (according to information provided by the foresters).
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Classification

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Area in/outside a forest that provides protection against avalanches which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2024
(2)
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Area in/outside a forest that provides protection against channel processes which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2022
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Area in/outside a forest that provides protection against hillslope debris flows/landslides which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2023
(2)
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Area in/outside a forest that provides protection against rockfall processes which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2025
(2)
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Area inside/outside the protection forest that the cantons had designated in 2022 according to the harmonised criteria of SilvaProtect-CH (Losey & Wehrli 2013). In 2022, Canton Aargau had not yet designated its protection forest. Reference: GIS data from FOEN, 2022

region

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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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evaluation area

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Forest that was less than two-thirds covered with shrubs and accessible on foot in both NFI2 (1993-1995) and NFI3 (2004-2006).
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grid

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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: 10 entries on 1 page
LFI2–LFI3 1993/95–2004/06
protection forest region
sanitary/salvage fellings
protection forest against avalanches (2022)
accessible forest without shrub forest NFI2/NFI3
1.4-km grid
m³/ha/year
1000 m³/year
LFI2–LFI3 1993/95–2004/06
protection forest region
sanitary/salvage fellings
protection forest against channel processes (2022)
accessible forest without shrub forest NFI2/NFI3
1.4-km grid
m³/ha/year
1000 m³/year
LFI2–LFI3 1993/95–2004/06
protection forest region
sanitary/salvage fellings
protection forest against hillslope debris flows/landslides (2022)
accessible forest without shrub forest NFI2/NFI3
1.4-km grid
m³/ha/year
1000 m³/year
LFI2–LFI3 1993/95–2004/06
protection forest region
sanitary/salvage fellings
protection forest against rockfall (2022)
accessible forest without shrub forest NFI2/NFI3
1.4-km grid
m³/ha/year
1000 m³/year
LFI2–LFI3 1993/95–2004/06
protection forest region
sanitary/salvage fellings
protection forest (2022)
accessible forest without shrub forest NFI2/NFI3
1.4-km grid
m³/ha/year
1000 m³/year
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