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Inventory

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2009/17
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Topic

number of stems

Classification

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Area in/outside a forest that provides protection against channel processes which the cantons designated «protective forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2022
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region

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Demarcation of Switzerland used in NFI for protective forest analyses. The six protective forest regions were derived from the economic regions by combining individual regions according to natural and statistical criteria.
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evaluation area

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Forest that was less than two-thirds covered with shrubs in the four inventories NFI2 (1993-1995), NFI3 (2004-2006), NFI4 (2009-2017) and NFI5 (2018-2026), was accessible on foot and could be stocked, i.e. did not contain forest roads, recreational facilities, streams, avalanche paths, etc.
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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: 2 entries on 1 page
LFI4 2009/17
protective forest region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protective forest against channel processes (2022)·size classe (young forest; 5 classes)·altitudinal vegetation belts (NaiS; 6 classes)
stockable and accessible forest without shrub forest NFI2-NFI5
1.4 km grid, subgrids 1-5
cell total, %
LFI4 2009/17
protective forest region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protective forest against channel processes (2022)·size classe (young forest; 5 classes)·main tree species in young forest (counting)
stockable and accessible forest without shrub forest NFI2-NFI5
1.4 km grid, subgrids 1-5
cell total, %
search result: 2 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
https://doi.org/10.21258/1769925