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Inventory

(28)
i
1983/85
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Topic

area
number of stems

Classification

(28)
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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 three classes. The variable represents a simplification of the NaiS altititudinal vegetation belts in six classes (NAISHSTKOMB6KL) in which the class «hyperinsubric and colline» is mearged with «submontane» to form the class «hyperinsubric, colline, submontane», the class «lower and upper montane» with «high montane» to form the class «montane» and the class «subalpine» with «upper subalpine» to form the class «subalpine». 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

(28)
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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

(14)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(8)
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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.
(6)
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Area that meets the NFI's definition of 'forest', i.e. is «a forest without shrub forest» or «a shrub forest».

grid

(8)
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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).
(20)
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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: 28 entries on 2 pages
12
LFI1 1983/85
protection forest region
forest area
primary forest function (NFI5): nature conservation·altitudinal vegetation belts (NaiS, 3 classes)
accessible forest without shrub forest
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI1 1983/85
protection forest region
forest area
primary forest function (NFI5): nature conservation·altitudinal vegetation belts (NaiS, 3 classes)
forest
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI1 1983/85
protection forest region
forest area
primary forest function (NFI5): nature conservation·altitudinal vegetation belts (NaiS, 3 classes)·time of last treatment (in 10-year classes)
accessible forest without shrub forest
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI1 1983/85
protection forest region
forest area
primary forest function (NFI5): nature conservation·altitudinal vegetation belts (NaiS, 3 classes)·time of last treatment (in 10-year classes)
forest
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI1 1983/85
protection forest region
total number of stems NFI1
altitudinal vegetation belts (NaiS, 3 classes)·diameter at breast height (10 classes)
accessible forest without shrub forest
1.4-km grid
column total, %
subtotal, %
LFI1 1983/85
protection forest region
total number of stems NFI1
altitudinal vegetation belts (NaiS, 3 classes)·diameter at breast height (10 classes)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
search result: 28 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