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Inventory

(96)
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1993/95
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Topic

(96)
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Number of stems of conifers and broadleaves 10 to 129 cm in height on which browsing on the shoot from the previous year was detected. Since a different method was used for assessing browsing traces in NFI2, the browsing intensity was overestimated in comparison with in the inventories from NFI4 on. Thus, only increases in browsing intensity can be clearly determined in comparisons with NFI2. For a reliable estimate, at least 30 individuals per estimated value (table cell) should have been assessed for browsing. Therefore, the corresponding tables with the target variable "Number of trees assessed for browsing (no extrapolation)" should also be consulted.
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Classification

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Altitudinal vegetation belts in the system used in the guidelines for monitoring the sustainability and performance of protection forests (NaiS; Frehner et al. 2005), reduced to six classes. The variable represents a simplification of the NaiS altitudinal vegetation belts with ten classes (NAISHSTKOMB) in which the classes «hyperinsubric» and «colline» are merged with «colline with beech» to form the class «hyperinsubric and colline» and the class «lower montane» with «upper montane» and «lower/upper montane» to form the class «lower and upper montane». The information is based on the altitudinal vegetation belts determined by experts (accessible forest sample plots of NFI4 on the 1.4-km network; Arge Frehner et al. 2020), as well as on the altitudinal vegetation belts modelled for the period 1981-2010 (other sample plots; Zischg et al. 2021).
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Species of young forest plants ≥10 cm in height and ≤11.9 cm in diameter at breast height (dbh) with individual classes for the ten most important species or species groups in Switzerland («main tree species»), as well as the classes «other conifers», «other broadleaves» and «species not assessed in all inventories». The main tree species are spruce (Picea spp.), fir (Abies spp.), pine (Pinus sylvestris, P. nigra, P. strobus, P. mugo subsp. uncinata), larch (Larix spp. ), Arolla pine (Pinus cembra), beech (Fagus sylvatica), maple (Acer spp.), ash (Fraxinus spp.), oak (Quercus spp.) and chestnut (Castanea sativa). Reference: Field Survey (MID 1051: Jungwaldpflanzenart - Zählung)
(16)
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Area in/outside a forest that provides protection against avalanches which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2024
(16)
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Area in/outside a forest that provides protection against channel processes which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2022
(16)
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Area in/outside a forest that provides protection against hillslope debris flows/landslides which the cantons designated «protection forest» according to the harmonised criteria of SilvaProtect-CH in 2022. Reference: GIS data from FOEN, 2023
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region

(24)
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Demarcation of Switzerland into five regions (Jura, Plateau, Pre-Alps, Alps and Southern Alps) with relatively uniform growth and timber production conditions. The production regions were established by the Federal Office of Forestry long before the first National Forest Inventory (NFI1, 1983-1985). With a small exception along Lake Geneva, the boundaries of the production regions still follow the municipal boundaries of the time. Unlike the NFI, the Forestry Statistics of the Federal Statistical Office don't use the production regions as demarcation but rather the forestry zones, whose boundaries are somewhat different.
(24)
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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.
(24)
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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.
(24)
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Demarcation of Switzerland into six regions with similar flora and fauna. The six regions correspond to the basic categories in the publication «The Biogeographical Regions of Switzerland», which was published by FOEN in 2022.

evaluation area

(48)
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Stockable part of the accessible forest without shrub forest, i.e. accessible forest without shrub forest excluding the area of forest roads, recreational facilities, streams, avalanche paths, etc.
(48)
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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.

grid

(48)
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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).
(48)
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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: 96 entries on 6 pages
LFI2 1993/95
production region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
production region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest NFI2-NFI5
1.4 km grid, subgrids 1-5
cell total, %
LFI2 1993/95
economic region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
economic region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest NFI2-NFI5
1.4 km grid, subgrids 1-5
cell total, %
LFI2 1993/95
protection forest region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
protection forest region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest NFI2-NFI5
1.4 km grid, subgrids 1-5
cell total, %
LFI2 1993/95
biogeographical region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
biogeographical region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
main tree species in young forest (counting)·size classe (young forest; 5 classes)
stockable and accessible forest without shrub forest NFI2-NFI5
1.4 km grid, subgrids 1-5
cell total, %
LFI2 1993/95
production region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (2022)·size classe (young forest; 5 classes)·altitudinal vegetation belts (NaiS; 6 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
production region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (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, %
LFI2 1993/95
economic region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (2022)·size classe (young forest; 5 classes)·altitudinal vegetation belts (NaiS; 6 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
economic region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (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, %
LFI2 1993/95
protection forest region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (2022)·size classe (young forest; 5 classes)·altitudinal vegetation belts (NaiS; 6 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
protection forest region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (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, %
LFI2 1993/95
biogeographical region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (2022)·size classe (young forest; 5 classes)·altitudinal vegetation belts (NaiS; 6 classes)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
biogeographical region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (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, %
LFI2 1993/95
production region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (2022)·size classe (young forest; 5 classes)·main tree species in young forest (counting)
stockable and accessible forest without shrub forest
1.4-km grid
cell total, %
LFI2 1993/95
production region
number of stems of young forest plants with browsing damage / number of stems of young forest plants assessed for browsing
protection forest against avalanches (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: 96 entries on 6 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