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Inventory

(69)
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2018/26
(66)
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2009/17
(66)
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2004/07
(56)
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1993/95
(53)
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1983/85

Topic

area
volume
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Classification

(310)
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Proportions of conifers and broadleaves making up the stand structure, classified according to their proportional basal areas into four classes: pure conifer forest: 91-100 % conifers, mixed conifer forest: 51-90 % conifers, mixed broadleaved forest: 11-50 % conifers and pure broadleaved forest: 0-10 % conifers. Reference: Field Survey (MID 265: Mischungsgrad)
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region

(310)
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Demarcation of Switzerland into five regions (Jura, Plateau, Pre-Alps, Alps and Southern Alps) with relatively uniform growth and timber production conditions. The production regions were established by the Federal Office of Forestry long before the first National Forest Inventory (NFI1, 1983-1985). With a small exception along Lake Geneva, the boundaries of the production regions still follow the municipal boundaries of the time. Unlike the NFI, the Forestry Statistics of the Federal Statistical Office don't use the production regions as demarcation but rather the forestry zones, whose boundaries are somewhat different.
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evaluation area

(310)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
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grid

(69)
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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).
(241)
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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: 310 entries on 18 pages
LFI5 2018/26
production region
deadwood volume (merch. wood without piles of branches), lying
degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
production region
deadwood volume (merchantable wood), lying
degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 m³
LFI5 2018/26
production region
diversity of woody species
degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
LFI5 2018/26
production region
forest area
degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
production region
forest area
altitudinal vegetation belts (NaiS; 6 classes)·degree of mixture (terrestrial)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
production region
forest area
degree of mixture (terrestrial)·altitudinal vegetation belts (NaiS; 6 classes)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
production region
forest area
degree of mixture (terrestrial)·crown closure
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
search result: 310 entries on 18 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
https://doi.org/10.21258/1769925