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Inventory

(6)
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2018/26
(6)
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2009/17
(4)
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2004/06

Topic

area

Classification

(16)
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Indication of whether alien woody species (tree or shrub neophytes) ≥12 cm in diameter at breast height (dbh) dominate the growing stock, i.e. account for at least 50% of the growing stock – in two classes. Reference: Field Survey (MID 50: Baumart, MID 1018: Baumzustand, MID 60: Brusthöhendurchmesser, MID 62: Umfang)
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region

(16)
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Demarcation of Switzerland used in NFI for protection forest analyses. The six protection forest regions were derived from the economic regions by combining individual regions according to natural and statistical criteria.
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evaluation area

(6)
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Forest of which less than two-thirds is covered with shrubs that can be accessed on foot.
(6)
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Forest that was less than two-thirds covered with shrubs in the five inventories NFI1 (1983-1985), NFI2 (1993-1995), NFI3 (2004-2006), NFI4 (2009-2017) and NFI5 (2018-2026) and was accessible on foot.
(4)
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Forest that was less than two-thirds covered with shrubs in both NFI4 (2009-2017) and NFI5 (2018-2026) and is accessible on foot.

grid

(12)
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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).
(4)
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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: 16 entries on 1 page
LFI5 2018/26
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI5 2018/26
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI4 2009/17
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 ha
LFI4 2009/17
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI4 2009/17
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
LFI3 2004/06
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest
1.4-km grid
column total, %
1000 ha
LFI3 2004/06
protection forest region
forest area
dominance of alien woody species (neophytes; 2 classes; from NFI3 on)
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
1000 ha
search result: 16 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