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Inventory

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1993/95–2004/06

Topic

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Wood volume of the stem without bark and stump and the branches with bark ≥7 cm in diameter (limit for merchantable wood) of all trees and shrubs with a diameter at breast height (dbh) ≥12 cm that were harvested between two inventories and were alive during the earlier inventory. The target variable "merchantable timber harvested" is an approximation of the amount of usable wood. It comes closest to the volume of timber harvested recorded in the Swiss Forest Statistics.
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Classification

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Forest ownership, classified according to the two categories: 'public' and 'private'. Reference: Forest Service Survey (MID 365: Eigentum)
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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 that was less than two-thirds covered with shrubs and accessible on foot in both NFI2 (1993-1995) and NFI3 (2004-2006).
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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.
search result: 2 entries on 1 page
LFI2–LFI3 1993/95–2004/06
biogeographical region
merchantable timber harvested
ownership (2 categories)·conifers and broadleaves
accessible forest without shrub forest NFI2/NFI3
1.4-km grid
m³/ha/year
1000 m³/year
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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