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Inventory

(216)
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2018/26
(207)
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2009/17
(30)
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2009/17–2018/26
(138)
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2004/06
(24)
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2004/06–2009/17
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Topic

area
fellings
increment
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Classification

(877)
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Proportions of conifers and broadleaves making up the stand structure, classified according to their proportional basal areas into four classes: pure conifer forest: 91-100 % conifers, mixed conifer forest: 51-90 % conifers, mixed broadleaved forest: 11-50 % conifers and pure broadleaved forest: 0-10 % conifers. Reference: Field Survey (MID 265: Mischungsgrad)
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region

(877)
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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

(310)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(4)
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Forest that was less than two-thirds covered with shrubs and accessible on foot in both NFI1 (1983-1985) and NFI2 (1993-1995).
(353)
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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.
(12)
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Forest that was less than two-thirds covered with shrubs and accessible on foot in both NFI2 (1993-1995) and NFI3 (2004-2006).
(12)
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Forest that was less than two-thirds covered with shrubs in both NFI3 (2004-2006) and NFI4 (2009-2017) and could be reached on foot.
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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).
(281)
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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: 877 entries on 49 pages
LFI5 2018/26
protection forest region
deadwood volume (merch. wood without piles of branches), lying
degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
protection forest region
deadwood volume (merch. wood without piles of branches), lying
degree of mixture (terrestrial)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
protection forest region
deadwood volume (merch. wood without piles of branches), lying
degree of mixture (terrestrial)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
protection forest region
deadwood volume (merchantable wood), lying
degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
protection forest region
deadwood volume (merchantable wood), lying
degree of mixture (terrestrial)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
protection forest region
deadwood volume (merchantable wood), lying
degree of mixture (terrestrial)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 m³
search result: 877 entries on 49 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