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Inventory

(14)
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2018/26
(14)
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2009/17
(8)
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2004/06
(6)
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1993/95
(6)
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1983/85

Topic

area

Classification

(48)
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Number of natural hazard processes that can occur simultaneously in forest designated «protection forest» by the cantons (as of 2022) according to the harmonised criteria of SilvaProtect-CH (as of 2022). The following four natural hazard processes can be considered: rockfall, avalanches, hillslope debris flows/landslides, channel processes. Reference: GIS data from the FOEN, 2022
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region

(48)
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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

(6)
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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.
(4)
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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».
(10)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(10)
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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.
(4)
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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

(28)
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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).
(20)
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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: 48 entries on 3 pages
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
number of natural hazard processes (2022)
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI4 2009/17
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest
1.4-km grid
column total, %
1000 ha
LFI4 2009/17
protection forest region
forest area
number of natural hazard processes (2022)
accessible forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
search result: 48 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