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Inventory

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2004/06
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Topic

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Sum of the stem cross-sectional areas at a height of 1.3 m (level for measuring diameter at breast height [dbh]) of living trees and shrubs (standing and lying) with a dbh ≥12 cm.
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Classification

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Diameter at breast height (dbh) of the 100 largest (thickest) standing living trees and shrubs ≥12 cm dbh per hectare – in eight classes. Reference: Field Survey (MID 60: Brusthöhendurchmesser, MID 62: Umfang)
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region

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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

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

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.
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search result: 3 entries on 1 page
LFI3 2004/06
biogeographical region
basal area
dominant diameter at breast height (standing-living - in 8 classes)
accessible forest without shrub forest
1.4-km grid
LFI3 2004/06
biogeographical region
basal area
dominant diameter at breast height (standing-living - in 8 classes)·conifers and broadleaves
accessible forest without shrub forest
1.4-km grid
LFI3 2004/06
biogeographical region
basal area
dominant diameter at breast height (standing-living - in 8 classes)·main tree species
accessible forest without shrub forest
1.4-km grid
search result: 3 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