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Inventory

(33)
i
1993/95
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Topic

area
number of stems

Classification

(33)
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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

(33)
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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.
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evaluation area

(18)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(9)
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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

(9)
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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).
(24)
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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: 33 entries on 2 pages
12
LFI2 1993/95
economic region
forest area
altitudinal vegetation belts (NaiS, 3 classes)·stand relevant for regeneration·type of regeneration
accessible forest without shrub forest
1.4-km grid
1000 ha
LFI2 1993/95
economic region
forest area
altitudinal vegetation belts (NaiS, 3 classes)·stand relevant for regeneration·type of regeneration
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
1000 ha
LFI2 1993/95
economic 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
LFI2 1993/95
economic 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
LFI2 1993/95
economic region
forest area
primary forest function (NFI5): nature conservation·altitudinal vegetation belts (NaiS, 3 classes)·structural diversity of the stand
accessible forest without shrub forest
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI2 1993/95
economic 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
LFI2 1993/95
economic 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
LFI2 1993/95
economic region
total number of stems
altitudinal vegetation belts (NaiS, 3 classes)·diameter at breast height (10 classes)
accessible forest without shrub forest
1.4-km grid
column total, %
search result: 33 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

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