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Inventory

(3)
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2018/26
(3)
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2009/17
(3)
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2004/06

Topic

forest plots

Classification

(9)
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Sample plots with/without tracks of timber-harvesting vehicles such as tractors, forwarders and harvesters on the forest floor within the 200 m² circle, classified according to where the tracks occur. Reference: Field Survey (MID 545: Schadenumgebung)
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region

(9)
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Division of Switzerland into 14 regions (2 in the Jura, 3 on the Plateau, 3 in the Pre-Alps, 5 in the Alps and 1 in the Southern Alps). The economic regions are a subdivision of the production regions according to economic-geographical criteria.
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evaluation area

(9)
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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.
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grid

(9)
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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).
search result: 9 entries on 1 page
LFI5 2018/26
economic region
proportion of forest plots
location of vehicle tracks
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
economic region
proportion of forest plots
presence of vehicle tracks (soil disturbances)·location of vehicle tracks
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
LFI4 2009/17
economic region
proportion of forest plots
location of vehicle tracks
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI4 2009/17
economic region
proportion of forest plots
presence of vehicle tracks (soil disturbances)·location of vehicle tracks
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
LFI3 2004/06
economic region
proportion of forest plots
location of vehicle tracks
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI3 2004/06
economic region
proportion of forest plots
presence of vehicle tracks (soil disturbances)·location of vehicle tracks
accessible forest without shrub forest NFI1-NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
search result: 9 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