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Inventory

(80)
i
1983/85
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Topic

area
basal area
number of stems
volume

Classification

(80)
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Classification of forests into 12 classes («types») according to their development, structure and management. Unlike in the 17-class forest-type classification, in this 12-class classification all development stages (from young growth to timber) are subsumed in the class «uniform high forest». Reference: Field Survey (MID 255: Nutzungskategorie, MID 257: Waldtyp nach Aufnahmeanleitung LFI, MID 260: Waldform, MID 267: Bestandesstruktur, MID 261: Entwicklungsstufe)
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region

(80)
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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

(29)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(29)
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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.
(16)
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Area that meets the NFI's definition of 'forest', i.e. is «a forest without shrub forest» or «a shrub forest».
(2)
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Accessible forest without shrub forest («a.f.w.s.f.»), i.e. forest that is less than two-thirds covered with shrubs and can be accessed on foot, which is situated in a forest that the cantons designated «protection forest» in 2022 according to the harmonised criteria of SilvaProtect-CH (Losey & Wehrli 2013).
(2)
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Area designated in the five Inventories NFI1 (1983-1985), NFI2 (1993-1995), NFI3 (2004-2006), NFI4 (2009-2017) and NFI5 (2018-2026) as «accessible forest without shrub forest», a.f.w.s.f. i.e. «forest without shrub forest» that can be accessed on foot and is situated in a forest that the cantons designated «protection forest» in 2022 according to the harmonised criteria of SilvaProtect-CH (Losey & Wehrli 2013).
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grid

(31)
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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).
(49)
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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: 80 entries on 5 pages
LFI1 1983/85
protection forest region
basal area
forest type (12 classes)
accessible forest without shrub forest
1.4-km grid
LFI1 1983/85
protection forest region
basal area
forest type (12 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI1 1983/85
protection forest region
forest area
forest type (12 classes)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 ha
LFI1 1983/85
protection forest region
forest area
forest type (12 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI1 1983/85
protection forest region
forest area
forest type (12 classes)
forest
1.4-km grid
column total, %
1000 ha
LFI1 1983/85
protection forest region
forest area
forest type (12 classes)
protection forest (2022): a.f.w.s.f.
1.4-km grid
column total, %
1000 ha
LFI1 1983/85
protection forest region
forest area
forest type (12 classes)
protection forests (2022): a.f.w.s.f. NFI1 to NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI1 1983/85
protection forest region
forest area
forest type (12 classes)
protection forests (2022): forest
1.4-km grid
column total, %
1000 ha
LFI1 1983/85
protection forest region
forest area
altitudinal vegetation belts (NaiS; 6 classes)·forest type (12 classes)
accessible forest without shrub forest
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI1 1983/85
protection forest region
forest area
altitudinal vegetation belts (NaiS; 6 classes)·forest type (12 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
search result: 80 entries on 5 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