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Inventory

(4)
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2018/26
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Topic

forest plots

Classification

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Sample plots with/without current recreational use within a radius of 100 m around the sample plot centre, classified according to visitor frequency as a measure of the intensity of recreational use. No recreational use: <10 persons/year; very low intensity: <1 person/day; low: 1-10 persons/day; moderate: 11-100 persons/day; high: 101-500 persons/day; very high: >500 persons/day based on the entire year or the relevant season, taking into account all types of recreational use. Reference: Forest Service Survey (MID 330: Intensität der aktuellen Erholungsnutzung)
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region

(4)
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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

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Area that meets the NFI's definition of forest in both NFI4 (2009-2017) and NFI5 (2018-2026), i.e. was either «forest without shrub forest» or «shrub forest».
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grid

(4)
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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: 4 entries on 1 page
LFI5 2018/26
protection forest region
proportion of forest plots
intensity of recreational use
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
protection forest region
proportion of forest plots
forest type (3 classes)·intensity of recreational use
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
LFI5 2018/26
protection forest region
proportion of forest plots
primary forest function (NFI5): nature conservation·altitudinal vegetation belts (NaiS, 3 classes)·intensity of recreational use
forest NFI4/NFI5
1.4 km grid, subgrids 1-5
column total, %
subtotal, %
search result: 4 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