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Inventory

(187)
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2018/26
(8)
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2009/17–2018/26
(187)
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2009/17
(4)
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2004/06–2018/26
(110)
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2004/06
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Topic

area
forest plots
number of stems

Classification

(652)
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Slope in classes of 20%. Reference: Digital height model DHM 25 from Swisstopo
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region

(652)
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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

(33)
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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.
(28)
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Area accessible on foot that meets the NFI's definition of forest in both NFI4 (2009-2017) and NFI5 (2018-2026), i.e. was either «forest without shrub forest» or «shrub forest».
(135)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(150)
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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.
(68)
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Forest that was less than two-thirds covered with shrubs in both NFI4 (2009-2017) and NFI5 (2018-2026) and is accessible on foot.
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grid

(420)
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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).
(232)
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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: 652 entries on 37 pages
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
1000 ha
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
protection forest (2022): a.f.w.s.f.
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
protection forests (2022): accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
protection forests (2022): accessible forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
economic region
forest area
slope (in 20% classes)·altitude (in 400 m classes)
protection forests (2022): a.f.w.s.f. NFI1 to NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
search result: 652 entries on 37 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