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Inventory

(8)
i
2009/17–2018/26
(4)
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2004/07–2018/26
(4)
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1993/95–2018/26
(4)
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1983/85–2018/26

Topic

area

Classification

(20)
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Production capacity of the site in kilograms per hectare and year based on the total mean increment (TMI) according to Keller (1978) - in four classes. Low: TMI ≤1500 kg/(ha/year), moderate: TMI 1501-3000 kg/(ha/year), good: TMI 3001-4500 kg/(ha/year), very good: TMI >4500 kg/(ha/year).
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region

(20)
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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

(20)
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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

(20)
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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).
search result: 20 entries on 2 pages
12
LFI4–LFI5 2009/17–2018/26
protection forest region
change: forest area
forest without shrub forest/shrub forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
LFI4–LFI5 2009/17–2018/26
protection forest region
change: forest area
forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
LFI3–LFI5 2004/07–2018/26
protection forest region
change: forest area
forest without shrub forest/shrub forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
LFI3–LFI5 2004/07–2018/26
protection forest region
change: forest area
forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
LFI2–LFI5 1993/95–2018/26
protection forest region
change: forest area
forest without shrub forest/shrub forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
LFI2–LFI5 1993/95–2018/26
protection forest region
change: forest area
forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
LFI1–LFI5 1983/85–2018/26
protection forest region
change: forest area
forest without shrub forest/shrub forest/non-forest·site quality
total area
1.4 km grid, subgrids 1-5
search result: 20 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