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Inventory

(4)
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2018/26
(4)
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2009/17
(4)
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2004/07

Topic

area

Classification

(6)
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Altitude above sea level in classes of 400 m. Reference: Digital height model DHM 25 from Swisstopo
(6)
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Type of shrub forest, i.e. «pure shrub forest» or «shrub forest with trees» according to the interpretation of aerial photos. Reference: Aerial photo interpretation

region

(12)
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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

(12)
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Forest that is more than two-thirds covered with shrubs. Shrub forests include Alpine alder and pine forests in particular, but also hazel forests and similar stands. Reference: Field Survey (MID 576: Deckungsgrad Sträucher), and sometimes also aerial photo interpretation
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grid

(4)
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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).
(8)
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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: 12 entries on 1 page
LFI5 2018/26
production region
area of shrub forest
altitude (in 400 m classes)
shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
production region
area of shrub forest
type of shrub forest (aerial photo)
shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI4 2009/17
production region
area of shrub forest
altitude (in 400 m classes)
shrub forest
1.4-km grid
column total, %
1000 ha
LFI4 2009/17
production region
area of shrub forest
type of shrub forest (aerial photo)
shrub forest
1.4-km grid
column total, %
1000 ha
LFI3 2004/07
production region
area of shrub forest
altitude (in 400 m classes)
shrub forest
1.4-km grid
column total, %
1000 ha
LFI3 2004/07
production region
area of shrub forest
type of shrub forest (aerial photo)
shrub forest
1.4-km grid
column total, %
1000 ha
search result: 12 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
https://doi.org/10.21258/1769925