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Inventory

(1'019)
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2018/26
(348)
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2009/17–2018/26
(958)
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2009/17
(69)
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2004/07–2018/26
(597)
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2004/07
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Topic

area
basal area
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Classification

(4'127)
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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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region

(4'127)
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Regional demarcation with the cantons as a unit, with the two half-cantons, Basel-Land and Basel-Stadt, combined into one canton for statistical reasons.
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evaluation area

(80)
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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.
(66)
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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».
(1'011)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(14)
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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).
(1'467)
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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

(2'907)
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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).
(1'220)
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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: 4127 entries on 230 pages
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)·conifers and broadleaves
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)·conifers and broadleaves
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)·conifers and broadleaves
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)·main tree species
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)·main tree species
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
altitudinal vegetation belts (NaiS; 6 classes)·main tree species
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against avalanches (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against avalanches (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against avalanches (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against channel processes (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against channel processes (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against channel processes (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against hillslope debris flows/landslides (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against hillslope debris flows/landslides (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
LFI5 2018/26
canton
basal area
protection forest against hillslope debris flows/landslides (2022)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
search result: 4127 entries on 230 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