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Inventory

(3)
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2018/26
(6)
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2009/17–2018/26
(3)
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2009/17
(3)
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2004/06–2018/26
(3)
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2004/06
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Topic

(30)
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Number of stems of living trees and shrubs (standing and lying) with a diameter at breast height (dbh) ≥12 cm.
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Classification

(30)
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Type of trees and shrubs ≥12 cm in diameter at breast height (dbh) – in 56 classes. The species (or species groups) not explicitly listed are subsumed in the classes «other conifers», «other broadleaved trees» and «other shrubs». Reference: Field Survey (MID 50: Baumart)
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region

(30)
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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

(30)
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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.
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grid

(30)
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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: 30 entries on 2 pages
12
LFI5 2018/26
protective forest region
number of stems
tree species (56 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI4–LFI5 2009/17–2018/26
protective forest region
change: number of stems
tree species (56 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI4 2009/17
protective forest region
number of stems
tree species (56 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI3–LFI5 2004/06–2018/26
protective forest region
change: number of stems
tree species (56 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI3 2004/06
protective forest region
number of stems
tree species (56 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
search result: 30 entries on 2 pages
12

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