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Inventory

(13)
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2018/26
(13)
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2009/17
(13)
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2004/07

Topic

area
forest plots

Classification

(39)
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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
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region

(39)
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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

(39)
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Area that meets the forest definition of the NFI, i.e. is «forest without shrub forest» or «shrub forest», and can be reached on foot.
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grid

(13)
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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).
(26)
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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: 39 entries on 3 pages
LFI5 2018/26
production region
forest area
protection forest against hillslope debris flows/landslides (2022)
accessible forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
production region
forest area
protection forest against hillslope debris flows/landslides (2022)·degree of cover (aerial photo, 5 classes)
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
production region
forest area
protection forest against hillslope debris flows/landslides (2022)·time of last treatment (in 10-year classes)
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
production region
forest area
protection forest against hillslope debris flows/landslides (2022)·transportation system plan
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
production region
proportion of forest plots
protection forest against hillslope debris flows/landslides (2022)·area of largest gap (5 classes)
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
LFI4 2009/17
production region
forest area
protection forest against hillslope debris flows/landslides (2022)
accessible forest
1.4-km grid
column total, %
1000 ha
LFI4 2009/17
production region
forest area
protection forest against hillslope debris flows/landslides (2022)·degree of cover (aerial photo, 5 classes)
accessible forest
1.4-km grid
column total, %
subtotal, %
1000 ha
search result: 39 entries on 3 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