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Inventory

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2018/26
(2)
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2009/17
(2)
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2004/06
(2)
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1993/95
(2)
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1983/85

Topic

area

Classification

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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

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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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evaluation area

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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

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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).
search result: 10 entries on 1 page
LFI5 2018/26
economic 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
LFI4 2009/17
economic 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
LFI3 2004/06
economic 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
LFI2 1993/95
economic 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
economic 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
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