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Inventory

(11)
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2004/07
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Topic

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All areas designated as forest according to the NFI forest definition. The forest definition includes shrub forest. The target variable "forest area" is also used when classifying the total area as forest or non-forest.
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Classification

(3)
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Altitude above sea level in classes of 200 m. Reference: Digital height model DHM 25 from Swisstopo
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Altitude above sea level in classes of 400 m. Reference: Digital height model DHM 25 from Swisstopo
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Land cover, classified as one of three categories: 'forest without shrub forest', 'shrub forest' and 'non-forest', based on the NFI forest definition. Reference: Field Survey (MID 816), or if inaccessible, aerial photo interpretation.
(3)
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Areas in higher and lower altitude zones classified according to the system used for altitudinal vegetation belts in the guidelines for monitoring the sustainability and performance of protection forests (NaiS; Frehner et al. 2005). The boundary between the higher and lower altitudes runs between the «upper montane» and «lower montane» levels on the Northern Alps and between the «high montane» and «upper/lower montane» levels to the Southern Alps. 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).

region

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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

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Area of Switzerland or a region (e.g. production region or canton) regardless of its cover. In NFI, the total area is made up of the components «forest without shrub forest», «shrub forest» and «non-forest».
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grid

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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: 11 entries on 1 page
LFI3 2004/07
canton
forest area
forest without shrub forest/shrub forest/non-forest
total area
1.4-km grid
column total, %
1000 ha
LFI3 2004/07
canton
forest area
altitude (in 200 m classes)·forest without shrub forest/shrub forest/non-forest
total area
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI3 2004/07
canton
forest area
altitude (in 400 m classes)·forest without shrub forest/shrub forest/non-forest
total area
1.4-km grid
column total, %
subtotal, %
1000 ha
LFI3 2004/07
canton
forest area
higher/lower altitude zone·forest without shrub forest/shrub forest/non-forest
total area
1.4-km grid
column total, %
subtotal, %
1000 ha
search result: 11 entries on 1 page

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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