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Inventory

(17)
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2018/26
(15)
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2009/17
(15)
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2004/07

Topic

area
forest plots

Classification

(47)
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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).
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region

(47)
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Demarcation of Switzerland into six regions with similar flora and fauna. The six regions correspond to the basic categories in the publication «The Biogeographical Regions of Switzerland», which was published by FOEN in 2022.
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evaluation area

(47)
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Area that meets the forest definition of the NFI, i.e. is «forest without shrub forest» or «shrub forest», and can be reached on foot.
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grid

(17)
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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).
(30)
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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: 47 entries on 3 pages
LFI5 2018/26
biogeographical region
forest area
higher/lower altitude zone
accessible forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
biogeographical region
forest area
forest type (12 classes)·higher/lower altitude zone
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
biogeographical region
forest area
forest without shrub forest - shrub forest·higher/lower altitude zone
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
biogeographical region
forest area
higher/lower altitude zone·forest type (12 classes)
accessible forest
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
1000 ha
LFI5 2018/26
biogeographical region
forest area
time of last treatment (in 10-year classes)·higher/lower altitude zone
accessible forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
biogeographical region
forest area with biodiversity measures / forest area
higher/lower altitude zone·biodiversity measures
accessible forest
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
biogeographical region
forest area with biodiversity measures
higher/lower altitude zone·biodiversity measures
accessible forest
1.4 km grid, subgrids 1-5
1000 ha
LFI5 2018/26
biogeographical region
sample size (number of forest plots)
higher/lower altitude zone
accessible forest
1.4 km grid, subgrids 1-5
column total, %
LFI4 2009/17
biogeographical region
forest area
higher/lower altitude zone
accessible forest
1.4-km grid
column total, %
search result: 47 entries on 3 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